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Rohaeti, Eli, Amalia Sultan Nanda Annisa, Isti Yunita i Suwardi. "Antibacterial textiles which impregnated silver nanoparticles prepared via green synthesis by Fusarium oxysporum BNT-02". Journal of Physics: Conference Series 2193, nr 1 (1.02.2022): 012037. http://dx.doi.org/10.1088/1742-6596/2193/1/012037.
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Abstract Silver nanoparticles can be prepared by using a microorganism. The objectives of the study were to determine the ability of Fusarium oxysporum BNT-02 in reducing silver nitrate solution to silver nanoparticles, to evaluate the effect of variations in treatment of textile materials toward antibacterial activity of textile materials impregnated with silver nanoparticles on Staphylococcus aureus ATCC 25924 and Escherichia coli ATCC 35218. In this study, silver nanoparticle were obtained by reducing the AgNO3 solution by F.oxysporum BNT-02. Coating of silver nanoparticles on textile materials was carried out by inserting sterile textile material into silver nanoparticle and shaking then drying. The textile material modified with silver nanoparticles was characterized for antibacterial activity against S.aureus ATCC 25924 and E.coli ATCC 35218. The inhibition zone to determine antibacterial activity was observed every 6 hours for 48 hours of incubation time. The inhibition zone data was analyzed using ANCOVA and t-test. The results showed that F.oxysporum BNT-02 can be used as a reducing agent for producing silver nanoparticles. The textile material coated with silver nanoparticles had antibacterial properties against S. aureus ATCC 25924 and E. coli ATCC 35218. Antibacterial activity of textile materials coated with silver nanoparticles on S.aureus ATCC 25924 showed a larger inhibition zone than E.coli ATCC 35218.
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Ilieș, Alexandru, Nicolaie Hodor, Emilia Pantea, Dorina Camelia Ilieș, Liliana Indrie, Mihaela Zdrîncă, Stefania Iancu i in. "Antibacterial Effect of Eco-Friendly Silver Nanoparticles and Traditional Techniques on Aged Heritage Textile, Investigated by Dark-Field Microscopy". Coatings 12, nr 11 (6.11.2022): 1688. http://dx.doi.org/10.3390/coatings12111688.
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An improper indoor microclimate has adverse effects on the state of preservation of historical textiles arranged in them, favoring the development of bacteriological microflora. The current study aims to combine traditional and innovative methods for cleaning and preserving a 100-year-old traditional blouse from Bihor, Romania. The material of the blouse was impregnated with 30 and 70 ppm silver nanosuspensions and washed with a substance obtained from boiling natural wood ash (lye). The research goals were to determine the antimicrobial action of lye washing and silver nanoparticles applied to the analyzed textile material and identify the way in which the environmental factors (light) act upon the conservation degree of textile objects impregnated with silver nanoparticles. All these procedures are eco-friendly and do not cause any damage to the constituent material of the fabrics. The use of the hyperspectral imaging technique proved the permeation of both 30 and 70 ppm silver nanosuspensions into the textile, producing changes in the textile’s reflectance spectrum after being treated with them. The results showed anti-bactericidal/fungal properties of both silver nanoparticles and lye. Microbiological analyses revealed that bacterial colonies were reduced to more than 95% in both cases. The antibacterial effect of silver nanoparticles on the textile material of the blouse was maintained throughout the duration of the study, and under normal environmental conditions, the effects would remain active for a long period.
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Rujido-Santos, Iria, Paloma Herbello-Hermelo, María Carmen Barciela-Alonso, Pilar Bermejo-Barrera i Antonio Moreda-Piñeiro. "Metal Content in Textile and (Nano)Textile Products". International Journal of Environmental Research and Public Health 19, nr 2 (15.01.2022): 944. http://dx.doi.org/10.3390/ijerph19020944.
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Metals, metallic compounds, and, recently, metallic nanoparticles appear in textiles due to impurities from raw materials, contamination during the manufacturing process, and/or their deliberate addition. However, the presence of lead, cadmium, chromium (VI), arsenic, mercury, and dioctyltin in textile products is regulated in Europe (Regulation 1907/2006). Metal determination in fabrics was performed by inductively coupled plasma-mass spectrometry (ICP-MS) after microwave-assisted acid digestion. The ICP-MS procedure has been successfully validated; relative standard deviations were up to 3% and analytical recoveries were within the 90–107% range. The developed method was applied to several commercial textiles, and special attention has been focused on textiles with nanofinishing (fabrics prepared with metallic nanoparticles for providing certain functionalities). Arsenic content (in textile T4) and lead content (in subsamples T1-1, T1-2, and T3-3) were found to exceed the maximum limits established by the European Regulation 1907/2006. Although impregnation of yarns with mercury compounds is not allowed, mercury was quantified in fabrics T1-2, T5, and T6. Further speciation studies for determining hexavalent chromium species in sample T9 are necessary (hexavalent chromium is the only species of chromium regulated). Some textile products commercialised in Europe included in this study do not comply with European regulation 1907/2006.
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Trumsina, Eva, Silvia Kukle i Gunta Zommere. "Nano Scale Methods for Water Pollution Monitoring". Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 1 (5.08.2015): 97. http://dx.doi.org/10.17770/etr2011vol1.927.
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The article deals with issues related to the textiles coated with metal nanoparticles and detection of the concentrations of released particles in water. The main risks associated with the use of metal covered textiles are detaching of metal nanoparticles from the material during use and care and thus polluting the environment, or inhaled to get in a human or animal body. Nanoparticles can be detached from the textile during washing also, thus polluting the water body and making detriment to the living beings in them. This article aims to look at equipment for nanoparticle size and concentration detection in liquids. Described the world's most popular methods (Microscopy techniques, Photon Correlation Spectroscopy, Nanoparticle Tracking Analysis) and compared to new, alternative method - Gas Discharge Visualization (GDV) electrography. Within the framework of the article analyzed the advantages and disadvantages of each method and estimated the perspective of GDV electrography for detection of metal nanoparticles in water.
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Alinezhad Sardareh, Elham, Moloud Shahzeidi, Mohammad Taha Salmanifard Ardestani, Mohammad Mousavi-Khattat, Atefeh Zarepour i Ali Zarrabi. "Antimicrobial Activity of Blow Spun PLA/Gelatin Nanofibers Containing Green Synthesized Silver Nanoparticles against Wound Infection-Causing Bacteria". Bioengineering 9, nr 10 (1.10.2022): 518. http://dx.doi.org/10.3390/bioengineering9100518.
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One of the main challenges in wound healing is the wound infection due to various causes, of which moisture is the most important reason. Owing to this fact, wound dressings that can collect wound moisture in addition to showing antibacterial properties have provided an important basis for wound healing research. In this study, gelatin and poly lactic acid (PLA) polymers were used in a wound dressing textile to provide gelation and structure strength properties, respectively. Meanwhile, silver nanoparticles (SNPs) synthesized through the green method were integrated into these fibers to provide the formed textile with antibacterial properties. Nanoparticles were made using donkey dung extract, and nanofibers were produced by the solution blow spinning method which has high production efficiency and low energy consumption among spinning methods. The produced nanoparticles were characterized and evaluated by UV-Vis, DLS, XRD, and FTIR methods, and the production of silver nanoparticles that were coated with metabolites in the extract was proven. In addition, the morphology and diameter of the resulted fibers and presence of nanoparticles were confirmed by the SEM method. The size and size distribution of the synthesized fibers were determined through analyzing SEM results. Gelatin nanofibers demonstrated a mean size of 743 nm before and 773 nm after nanoparticle coating. PLA nanofibers demonstrated a mean size of 57 nm before and 182 nm after nanoparticle coating. Finally, 335 nm was the mean diameter size of gelatin/PLA/SNPs nanofibers. Also, the textiles synthesized by PLA and gelatin which contained silver nanoparticles showed higher antibacterial activity against both gram-positive and gram-negative species compared to PLA and gelatin tissues without nanoparticles. Cytotoxicity test on L929 cells showed that silver nanoparticles incorporated textiles of PLA and gelatin show a very low level and non-significant toxicity compared to the free particles.
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Riabchykov, Mykola, Alexandr Alexandrov, Roman Trishch, Anastasiia Nikulina i Natalia Korolyova. "Prospects for the Development of Smart Clothing with the Use of Textile Materials with Magnetic Properties". TEKSTILEC 65, nr 1 (1.03.2022): 36–43. http://dx.doi.org/10.14502/tekstilec.65.2021050.
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The article studies the properties of textile materials filled with magnetite nanoparticles. These materials have great prospects for creating smart clothes. They have both magnetic and hygienic properties. Chemical transformations in the production of magnetic nanopowder are described. The end product of the process is a mixture of oxides of divalent and ferric iron. The resulting mixture has magnetic properties. Conducted micro and macro experiments showed sufficient adhesion retention strength of magnetite nanoparticles in a textile material. Microscopic studies of the attachment of magnetic particles to the fibers of a textile material have been conducted. The data obtained in express mode allow us to determine the average mass of a magnetic particle in a textile material, the total number of nanoparticles, and, accordingly, to predict the magnetic force that a textile material saturated with magnetite can possess. The existence of the magnetic properties of a textile material filled with magnetite nanoparticles has been proven. A mathematical model of the dependence of the magnetic attraction force of a textile material on the distance and the number of abrasion cycles has been developed. The directions of the use of magnetic textile materials for the creation of smart clothes are proposed. Potential uses for such materials include sportswear and textiles for the disabled. The developed methods can predict the magnetic strength of the obtained textile materials and evaluate their resistance, which is necessary in the development of smart clothing elements based on these materials.
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Attia, Nour, Harby Ahmed, Dina Yehia, Mohamed Hassan i Yassin Zaddin. "Novel synthesis of nanoparticles-based back coating flame-retardant materials for historic textile fabrics conservation". Journal of Industrial Textiles 46, nr 6 (28.07.2016): 1379–92. http://dx.doi.org/10.1177/1528083715619957.
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Novel flame-retardant back coating layer for historic textile fabrics was developed. Silica nanoparticles originated from agriculture waste rice husk were prepared through one pot thermal method. The morphological and structure properties of nanoparticles were studied. The silica nanoparticles were further impregnated with organic borate producing flame-retardant composite. The obtained composite incorporated with the binder by mechanical mixing providing flame-retardant coating paste. The coating paste spread on the back surface of textile fabrics. Varied compositions of nanoparticles, binder and organic borate were studied in the back coating layer. The flammability, thermal stability and mechanical properties of the blank and treated samples of linen fabrics as an inner support to the historical textiles were investigated. Flame retardancy of the back-coated linen samples has improved achieved high class of flame-retardant textile fabrics of zero rate of burning compared to 80.3 mm/min for blank. The synergistic effect of flame retardancy between nanoparticles and organic borate was investigated. The tensile strength of the flame retardant fabrics was enhanced by 27% and elongation was improved. The effect of industrial aging on the flame retardancy and mechanical properties of flame-retardant back coating textiles was studied.
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Tania, Imana Shahrin, Mohammad Ali i Mahmuda Akter. "Fabrication, characterization, and utilization of ZnO nanoparticles for stain release, bacterial resistance, and UV protection on cotton fabric". Journal of Engineered Fibers and Fabrics 17 (styczeń 2022): 155892502211363. http://dx.doi.org/10.1177/15589250221136378.
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Textile technology is advancing by incorporating the benefits of nanotechnology into its diverse fields. Nanoparticle inclusion is one of the potential finishing processes in textile treatment to create multifunctional textiles. The goal of this research is to impart antibacterial, stain-release, and UV (ultra-violet) protection properties on cotton fabric by depositing ZnO nanoparticles on the fabric surface. Following the synthesis of the nanoparticles by the use of a sonochemical strategy, the nanoparticles are then fixed onto the fabric through the application of a mechanical thermo-fixation technique. The nanoparticles are applied to the fabric at three different concentrations: 0.5%, 1%, and 2%. The surface characterization shows that nanoparticles are of an average size of 40–100 nm and nearly spherical in shape. The colony count method is used to quantify the antibacterial activity of the nano-treated fabric. The results indicate that the treated fabric is effective against both gram-positive ( S. aureus) and gram-negative ( E. coli) bacteria. The color stain of the direct blue dye of treated fabric has degraded under UV irradiation, indicating the stain release property. The results demonstrate considerable stain release that rises with the amount of ZnO nanoparticles. Excellent UV protection is also found since 2%-ZnO nano-coated fabric shows around 96% blockage of UV rays.
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Sanal, Aparna, D. Kannadassan i V. Velmurugan. "Photocatalytic Degradation of Rhodamine B by Hand-Made Screen Printed TiO2 Nanoparticles". Advanced Science Letters 24, nr 8 (1.08.2018): 6034–37. http://dx.doi.org/10.1166/asl.2018.12242.
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Photocatalytic degradation by titanium dioxide (TiO2) nanoparticles has been studied at textile dyes in water. TiO2 nanoparticles prepared were hand printed on the glass substrate. Textile dye-Rhodamine B added in water is allowed to react with the sample on the glass substrate under UV-VIS illumination for different intervals of time. Effective degradation of hazardous textile dye from aqueous solution by photocatalytic activity of TiO2 nanoparticle was observed. Also, surface features of the screen printed sample were analyzed using Optical Microscopy and morphology by Atomic Force Microscopy (AFM). Degree of dye degraded was characterized by UV-VIS spectroscopy and results showed that the photocatalysis using TiO2 is a good alternative to textile wastewater treatment.
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Trumsina, Eva, Zane Zelca i Silvija Kukle. "POLY(VINYL ALCOHOL) AND POLY(VINYL ALCOHOL) /ZINC OXIDE COMPOSITE NANOFIBRE WEBS: QUALITY CONTROL WITH CONDUCTOMETER". Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 3 (15.06.2017): 316. http://dx.doi.org/10.17770/etr2017vol3.2597.
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In the market a wide variety of products are find that contains/releases metal nanoparticles, therefore topical become researches on it impacts on the environment and human health. In the textile industry important step is the development of testing methodology to monitor the quantity of nanoparticles that get into the environment from nanoparticles containing textile materials. In the study analyzed the method based on the use of conductometer for textiles testing with nano-size metal oxides content to determine the persistence of nanoparticles/ions in the water after textile soaking/washing. Compared results acquired in the experiments with nanofibre webs manufactured by electrospinning from pure polyvinyl alcohol (PVA) and PVA/ZnO composite. The nanofibre webs were soaked in distilled water and obtained samples of water tested with conductometer. The results of the experiments confirm that measurements taken with the conductometer are fairly stable and repeatable; the equipment is suitable for measurements in distilled water for nanoparticles/ions detection. The measurements of the solution’s specific electric conductance allows to pinpoint the nanoparticles/ions concentration, but for this purpose, must be created the database that contains the resources needed for the calculations and methodology for sample preparation.
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Costa, Eduardo M., Sara Silva, Manuela Machado, Sérgio C. Sousa, Freni K. Tavaria i Manuela Pintado. "Chitosan Nanoparticles as Bioactive Vehicles for Textile Dyeing: A Proof of Concept". Polymers 14, nr 22 (9.11.2022): 4821. http://dx.doi.org/10.3390/polym14224821.
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In recent years bioactive textiles have risen to the forefront of consumers perception due to their potential protection against virus, fungi and bacteria. However, traditional textile staining is an eco-damaging process that and current methods of textile functionalization are expensive, complicated and with great environmental impact. With that in mind, this work sought to show a possible solution for this problematic through the usage of a novel one step textile dyeing and functionalization method based upon nanoencapsulated textile dyes (NTDs). To do so navy blue everzol NTDs were produced with chitosan, cotton dyed, characterized through FTIR and SEM and biological potential evaluated through biocompatibility screening and antimicrobial activity against skin pathogens. The data obtained showed that NTDs effectively dyed the target textile through a coating of the cotton fibre and that NTDs formed hydrogen bonds with the cellulose fibre via electrostatic interactions of the chitosan amino groups with cotton sulphate groups. From a biocompatibility perspective NTDs dyed cotton had no deleterious effects upon a skin cell line, as it promoted cellular metabolism of HaCat cells, while traditionally died cotton reduced it by 10%. Last but not least, NTDs dyed cotton showed significant antimicrobial activity as it reduced viable counts of MRSA, MSSA and A. baumannii between 1 and 2 log of CFU while traditional dyed cotton had no antimicrobial activity. Considering these results the novel method proposed shows is a viable and ecological alternative for the development of antimicrobial textiles with potential biomedical applications.
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Berendjchi, Amirhosein, Ramin Khajavi i Mohammad Esmaeil Yazdanshenas. "Application of Nanosols in Textile Industry". International Journal of Green Nanotechnology 1 (1.01.2013): 194308921350681. http://dx.doi.org/10.1177/1943089213506814.
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Inorganic metal oxide nanoparticles are mainly synthesized by sol–gel process. The most important beneficial advantage of mentioned process is facile and the time-consuming route. The resultant meta-stable synthesized inorganic nanoparticles can easily modify different substrates and alter their performance. The presented review investigates the possible applications of nanosols (especially silica and titanium dioxide sols) in the field of textile industry, including the formation of hydrophobic, bioactive or protective metallic oxide coatings on textiles by physical or chemical modifying of nanosols.
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Chen, Guopu, Jie Hu, Zhiwu Hong, Gefei Wang, Zhiming Wang, Canwen Chen, Jinjian Huang, Xiuwen Wu i Jianan Ren. "Multifunctional Electrospun Textiles for Wound Healing". Journal of Biomedical Nanotechnology 18, nr 3 (1.03.2022): 796–806. http://dx.doi.org/10.1166/jbn.2022.3288.
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The novel multifunctional electrospun textiles were fabricated by incorporating sheet-like kaolinite and silver nanoparticles (AgNps) into a polyurethane (PU) textile by using electrostatic spinning to promote wound-healing process. Threedimensional network of PU electrospun textiles offered an appropriate framework for loading kaolinite nanosheets and AgNps. Moreover, the kaolinite nanosheets healed bleeding wounds by accelerating plasma absorption, increasing blood cell concentrations, and stimulating coagulation factors. Furthermore, the AgNps killed microbes by destroying the cell membrane, while the deleterious effects were controlled by incorporation into the electrospun textile. The therapeutic effects of multifunctional electrospun textile in treating full-thickness abdominal wall defect were explored. The wound healing process could be accelerated via the textile by restoring the abdominal physiological environment, reducing the inflammatory response, and promoting collagen deposition, angiogenesis, and epithelization.
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Kiekens, Paul, Els Van der Burght, Erich Kny, Tamer Uyar i Rimvydas Milašius. "Functional Textiles – From Research and Development to Innovations and Industrial Uptake". Autex Research Journal 14, nr 4 (1.12.2014): 219–25. http://dx.doi.org/10.2478/aut-2014-0031.
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Abstract Functional textiles are one of the most important fields in textile industry and textile materials science. They include breathable, heat and cold-resistant materials, ultra-strong fabrics (e.g. as reinforcement for composites), new flameretardant fabrics (e.g. intumescent materials), optimisation of textile fabrics for acoustic properties, etc. Functional textiles became more and more important materials for various applications and interest in them grew year by year; and more and more conferences are focused on functional textiles, as well as the events which are not only textile conferences but encompass various fields of Material Science. This paper presents a short overview about the European Materials Research Society 2014 Fall meeting conference Symposium M “Functional textiles - from research and development to innovations and industrial uptake” and the projects which participated as symposium co-organisers: the European Coordination Action 2BFUNTEX funded by the EC 7th Framework Programme NMP, the COST Action MP1105 on “Sustainable flame retardancy for textiles and related materials based on nanoparticles substituting conventional chemicals (FLARETEX)” and the COST Action MP1206 on “Electrospun Nano-fibres for bio inspired composite materials and innovative industrial applications”.
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Rastar, Amir, Mohammad Esmail Yazdanshenas, Abosaced Rashidi i Scycd Mansour Bidoki. "Theoretical Review of Optical Properties of Nanoparticles". Journal of Engineered Fibers and Fabrics 8, nr 2 (czerwiec 2013): 155892501300800. http://dx.doi.org/10.1177/155892501300800211.
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Nanoparticles are used in a variety of applications and their usage is growing vastly because of their superior characteristics, such as high specific area of contact, great mechanical properties, high electrical conductivity, and high optical scattering efficiency.. Among these numerous properties, optical properties play an important role in either the type of application in which nanoparticles may be utilized or the type of the nanoparticle which may be used for a desired outcome. Many textile products including fibers, fabrics, and textile composites benefit from these capacities of nanoparticles. This paper is a review about the theoretical methods for obtaining optical properties of nanoparticles, noticing that the particle type is selected based on generally used particles like TiO2 in order to acquire needed properties.
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Sonal Rani, Ritika Sharma and Neetu Rani. "Application of TiO2 Nano-particles to incorporate Self- Cleaning in Polyester Fabric with the Help of Binder and to Study Changes in Physical Properties". International Journal for Modern Trends in Science and Technology 06, nr 9S (16.10.2020): 142–46. http://dx.doi.org/10.46501/ijmtst0609s23.
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The study aims at application of Nano scaled titanium dioxide nanoparticles with photocatalytic activity. The titanium dioxide nanoparticles were applied by a dip-pad–dry-cure process with the help of binders to textile materials for producing photocatalytic self-cleaning thin films. The study was focused on the application and characterization of titanium dioxide. The photocatalytic activity of TiO2 nanoparticles was studied against Methyl Orange degradation test in solar box test instrument by dissolving TiO2 nano-composites in an aqueous solution at low temperature. Polyester is most widely used synthetic fibre in textile and clothing. In this study, Anatase TiO2 nanoparticles are dispersed at room temperature via Sonication and treated polyester fabrics exhibit significant photocatalytic self-cleaning properties of degradation of coffee stains. The mechanical properties like bending length, breaking strength, air permeability and durability of TiO2 treated polyester fabrics were accessed. The study discovered that anatase TiO2 based self-cleaning system shows potential systems for self-cleaning textiles having high potential in commercialization being environmentally affable, energy and water saving, low cost as of reduced laundry cycles of the finished textiles.
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Fernandes, Marta, Jorge Padrão, Ana I. Ribeiro, Rui D. V. Fernandes, Liliana Melro, Talita Nicolau, Behnaz Mehravani, Cátia Alves, Rui Rodrigues i Andrea Zille. "Polysaccharides and Metal Nanoparticles for Functional Textiles: A Review". Nanomaterials 12, nr 6 (18.03.2022): 1006. http://dx.doi.org/10.3390/nano12061006.
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Nanotechnology is a powerful tool for engineering functional materials that has the potential to transform textiles into high-performance, value-added products. In recent years, there has been considerable interest in the development of functional textiles using metal nanoparticles (MNPs). The incorporation of MNPs in textiles allows for the obtention of multifunctional properties, such as ultraviolet (UV) protection, self-cleaning, and electrical conductivity, as well as antimicrobial, antistatic, antiwrinkle, and flame retardant properties, without compromising the inherent characteristics of the textile. Environmental sustainability is also one of the main motivations in development and innovation in the textile industry. Thus, the synthesis of MNPs using ecofriendly sources, such as polysaccharides, is of high importance. The main functions of polysaccharides in these processes are the reduction and stabilization of MNPs, as well as the adhesion of MNPs onto fabrics. This review covers the major research attempts to obtain textiles with different functional properties using polysaccharides and MNPs. The main polysaccharides reported include chitosan, alginate, starch, cyclodextrins, and cellulose, with silver, zinc, copper, and titanium being the most explored MNPs. The potential applications of these functionalized textiles are also reported, and they include healthcare (wound dressing, drug release), protection (antimicrobial activity, UV protection, flame retardant), and environmental remediation (catalysts).
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Pal, Sukanta, Sourav Mondal, Prasanta Pal, Ajit Das, Debasish Mondal, Ananya Chaudhuri, Bholanath Panda i Jayanta Maity. "Applications of Nanotechnology for Antibacterial Finishing Textiles: A Review". Sensor Letters 18, nr 6 (1.06.2020): 437–48. http://dx.doi.org/10.1166/sl.2020.4260.
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This survey outlines the impact of nanoparticles and the importance of nanotechnology in textiles materials. It shows a unique move to nanomaterials as another instrument to enhance the properties and addition of multi-functionalities. Human security and prosperity are undermined by organisms causing various irresistible sicknesses bringing about a substantial number of deaths every year. Currently, nanotechnology is considered the most interesting technology for smart textile commercial applications; since it allows the permanent and effective functionalization of substrate without affecting their macrosacle properties, such as breathability and comfortability. Nanoparticles as antimicrobial agents have got extensive consideration in both scholarly and mechanical researchers due to their biological activity. Beside this, polymeric covered nanoparticles based materials have increased much consideration because of progression in polymer science and innovation. This survey article likewise addresses the production and distribution of nanoparticles for biomedical textile applications.
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Mehravani, Behnaz, Ana Ribeiro i Andrea Zille. "Gold Nanoparticles Synthesis and Antimicrobial Effect on Fibrous Materials". Nanomaterials 11, nr 5 (21.04.2021): 1067. http://dx.doi.org/10.3390/nano11051067.
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Depositing nanoparticles in textiles have been a promising strategy to achieve multifunctional materials. Particularly, antimicrobial properties are highly valuable due to the emergence of new pathogens and the spread of existing ones. Several methods have been used to functionalize textile materials with gold nanoparticles (AuNPs). Therefore, this review highlighted the most used methods for AuNPs preparation and the current studies on the topic in order to obtain AuNPs with suitable properties for antimicrobial applications and minimize the environmental concerns in their production. Reporting the detailed information on the functionalization of fabrics, yarns, and fibers with AuNPs by different methods to improve the antimicrobial properties was the central objective. The studies combining AuNPs and textile materials have opened valuable opportunities to develop antimicrobial materials for health and hygiene products, as infection control and barrier material, with improved properties. Future studies are needed to amplify the antimicrobial effect of AuNPs onto textiles and minimize the concerns related to the synthesis.
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Kiran, Samhita, Ujwal Shreenag Meda, Shravan Ranga, Antony Raj M a L i Basavaraja R J. "Advances in Incorporation of Nanomaterials Onto Fabrics". ECS Transactions 107, nr 1 (24.04.2022): 4853–62. http://dx.doi.org/10.1149/10701.4853ecst.
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Textile is a necessary commodity and is of paramount importance in a variety of areas. The properties of textiles can be further enhanced and the horizon of their applications can be broadened by the incorporation of nanoparticles using nanotechnology. Nanoproducts ranging from nanofibers, nanocomposite fibers, and intelligent polymeric nanocoatings are frequently incorporated in conventional textiles to provide improved performance and new functionality. Nanocoatings offer numerous specific properties like antimicrobial, wrinkle resistance, and protection against UV radiations. These properties lead to a variety of textile applications, including medicinal textiles and sportswear. In the COVID-19 pandemic situation, nanotechnology has paved the way for need-based customization, such as antiviral masks, PPE kits, etc. This paper provides an overview of the nanomaterials suitable for textile industry, enhancement in the properties of fabrics due to incorporation of nanomaterials, advantages, disadvantages, and a few applications.
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Chen, Jun, Yan Guang Lu i Cheng Sun. "Safety and Health Assessment of Manufactured Nanoparticles in Nano-Coated Textile Products". Advanced Materials Research 175-176 (styczeń 2011): 722–28. http://dx.doi.org/10.4028/www.scientific.net/amr.175-176.722.
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Many nanotech-based fabrics products and applications are already in use for textile finishing process in many countries. The industry aims at taking advantage of the opportunities of new nanomaterials while producing safe and ecological textiles. However, some concerns have been raised regarding the potential of engineering nanoparticles to have a negative impact of the human health and the environment. Up to now there are only few toxicological research and safe assessment done on the release of engineered nanoparticles from such products. This article summarizes the coping strategies and risk management of some developed countries and outlines the necessity of prospect research and risk assessment for nanotechnology potential hazards and technical uncertainty of nano-coated textiles to the environment and public health. The author believed the responsive regulations will allow for prevention and treatment of a nano-textiles’ life-cycle risks and support the safe, responsible development of nanotechnology while providing favorable conditions for textile industrial innovation to ensure that research and technological development is translated into affordable and safe wealth-generating products and processes.
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Allehyani, Esam S. "Surface Functionalization of Polyester Textiles for Antibacterial and Antioxidant Properties". Polymers 14, nr 24 (16.12.2022): 5512. http://dx.doi.org/10.3390/polym14245512.
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One of the recommendations for future textile development is the modification of textiles to produce materials for human performance (sports, medical, and protective). In the current work, modifying a polyester surface with silver nanoparticles improved antioxidant and antibacterial protection. For this purpose, ethylenediamine aminolysis was utilized as ligands to fabricate polyester textiles, trapping silver ions to further reduce silver nanoparticles (AgNPs). Dopamine (PDA) was used to provide antibacterial and antioxidant properties to the polyester textile by converting silver ions into AgNPs through its phenolic hydroxyl groups. Pristine polyester, polyester treated with ethylenediamine, and PDA-coated AgNP-loaded polyester ethylenediamine were characterized using SEM, EDX, FTIR, TGA, and tensile strength. The antibacterial properties against Staphylococcus aureus and Escherichia coli were examined through the broth test. PDA-AgNPs composite nanocoating exhibited improved tensile strength and antibacterial and antioxidant properties, demonstrating that polyester with a PDA-AgNPs overlay may be used for long-term biomedical textiles.
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Bengalli, Rossella, Luisa Fiandra, Claudia Vineis, Diego Omar Sanchez-Ramirez, Nuno G. Azoia, Alessio Varesano i Paride Mantecca. "Safety Assessment of Polypyrrole Nanoparticles and Spray-Coated Textiles". Nanomaterials 11, nr 8 (3.08.2021): 1991. http://dx.doi.org/10.3390/nano11081991.
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Polypyrrole (PPy) nanoparticles (NPs) are used for the coating of materials, such as textiles, with biomedical applications, including wound care and tissue engineering, but they are also promising antibacterial agents. In this work, PPy NPs were used for the spray-coating of textiles with antimicrobial properties. The functional properties of the materials were verified, and their safety was evaluated. Two main exposure scenarios for humans were identified: inhalation of PPy NPs during spray (manufacturing) and direct skin contact with NPs-coated fabrics (use). Thus, the toxicity properties of PPy NPs and PPy-coated textiles were assessed by using in vitro models representative of the lung and the skin. The results from the materials’ characterization showed the stability of both the PPy NP suspension and the textile coating, even after washing cycles and extraction in artificial sweat. Data from an in vitro model of the air–blood barrier showed the low toxicity of these NPs, with no alteration of cell viability and functionality observed. The skin toxicity of PPy NPs and the coated textiles was assessed on a reconstructed human epidermis model following OECD 431 and 439 guidelines. PPy NPs proved to be non-corrosive at the tested conditions, as well as non-irritant after extraction in artificial sweat at two different pH conditions. The obtained data suggest that PPy NPs are safe NMs in applications for textile coating.
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Asmat-Campos, David, Daniel Delfín-Narciso i Luisa Juárez-Cortijo. "Textiles Functionalized with ZnO Nanoparticles Obtained by Chemical and Green Synthesis Protocols: Evaluation of the Type of Textile and Resistance to UV Radiation". Fibers 9, nr 2 (1.02.2021): 10. http://dx.doi.org/10.3390/fib9020010.
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The study evaluates five types of commercial textiles with different cotton and polyester contents widely used in the garment industry. These textile samples have been subjected to treatment by the exhaustion method using zinc oxide nanoparticles (NP ZnO) (textile functionalization) with the aim of improving their efficiency in blocking UV radiation. The ZnO nanoparticles have been obtained by two methods: The green or also called biosynthesis (using the extract of Coriandrum sativum as an organic reducing agent), and the chemical method (using NaOH as an inorganic reducing agent). The results related to the green method show having achieved a defined geometric configuration with an average size of 97.77 nm (SD: 9.53). On the contrary, the nanostructures obtained by the chemical method show pentagonal configurations with average sizes of 113 nm (SD: 6.72). The textiles functionalized with NP ZnO obtained by biosynthesis showed a better efficiency in blocking ultraviolet radiation (UV).
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Rezić, Iva. "Determination of engineered nanoparticles on textiles and in textile wastewaters". TrAC Trends in Analytical Chemistry 30, nr 7 (lipiec 2011): 1159–67. http://dx.doi.org/10.1016/j.trac.2011.02.017.
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Ramaratnam, Karthik, Swaminatha K. Iyer, Mark K. Kinnan, George Chumanov, Phillip J. Brown i Igor Luzinov. "Ultrahydrophobic Textiles Using Nanoparticles: Lotus Approach". Journal of Engineered Fibers and Fabrics 3, nr 4 (grudzień 2008): 155892500800300. http://dx.doi.org/10.1177/155892500800300402.
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It is well established that the water wettability of materials is governed by both the chemical composition and the geometrical microstructure of the surface.1 Traditional textile wet processing treatments do indeed rely fundamentally upon complete wetting out of a textile structure to achieve satisfactory performance.2 However, the complexities introduced through the heterogeneous nature of the fiber surfaces, the nature of the fiber composition and the actual construction of the textile material create difficulties in attempting to predict the exact wettability of a particular textile material. For many applications the ability of a finished fabric to exhibit water repellency (in other words low wettability) is essential2 and potential applications of highly water repellent textile materials include rainwear, upholstery, protective clothing, sportswear, and automobile interior fabrics. Recent research indicates that such applications may benefit from a new generation of water repellent materials that make use of the “lotus effect” to provide ultrahydrophobic textile materials.3,4 Ultrahydrophobic surfaces are typically termed as the surfaces that show a water contact angle greater than 150°C with very low contact angle hysteresis.4 In the case of textile materials, the level of hydrophobicity is often determined by measuring the static water contact angle only, since it is difficult to measure the contact angle hysteresis on a textile fabric because of the high levels of roughness inherent in textile structures.
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Ratnasari, Anisa. "Antimicrobial textile modified with silver nanoparticles in-situ synthesized using weed leaves extract". Environmental and Toxicology Management 1, nr 3 (30.11.2021): 15–18. http://dx.doi.org/10.33086/etm.v1i3.2502.
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Silver nanoparticles (AgNPs) presence has considerable impact on microbial growth. In this paper, AgNPs was deposited on surface of four textiles to enhance the anti-microbial properties using immersion technique. Immersion technique was selected since it was simple, no need high energies, and no additional equipment required. In addition, AgNPs was synthesized using in situ-bio technique which is non-toxic, harmless and eco-friendly approach. Four textiles were evaluated, such as TA, TB, TC and TD. The finding projected that antifungal ability was correlated to the type of the textiles. TC textile has the significant antimicrobial activity with 12.33 ± 2.08 of inhibition zone which followed by TD (16.00 ± 3.46), TB (17.67 ± 7.09), and TA (17.67 ± 6.65). In addition, the surface bonding AgNPs on textile was possibility caused by the -OH group. It has a lone pair of electrons on the O atom that can interact with AgNPs to form –OAg bonds.
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ALI, REHMAT, UM E. HABIBA KARAMAT,, HAFIZA SABA NAZIR, MIRZA MUHAMMED MOHSIN BAIG, BILAL ALAM KHAN, ASAD ULLAH, OSAMA USMAN, TANYA WASEEM i MUHAMMAD FARRUKH TAHIR. "ANTIMICROBIAL ACTIVITY OF COTTON FIBRES TREATED WITH PARTICLES EXTRACTED FROM CITRUS PLANTS: A REVIEW". Fibres and Textiles 30, nr 2 (maj 2023): 74–90. http://dx.doi.org/10.15240/tul/008/2023-2-008.
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Nanotechnology is an emerging technology in textile sector for the fabrication of functional textiles with different properties such as antibacterial, hydrophobicity, UV-protection, flame retardancy, anti-static and self-cleaning. In current COVID-19 crises, the development of antimicrobial textiles through the deposition of nanoparticles has emerged as a research subject of particular interest. Recently, the green-synthesis of nanoparticles from plant extracts has become an effective alternative to conventional physical and chemical synthesis methods due to being environmentally benign and nontoxic. In this review article, the significance of nanotechnology in antibacterial finishing of textiles, mechanism of antibacterial activity of nanoparticles, significance of green synthesis methods for nanoparticles have been discussed. The green-synthesis of different nanoparticles from the citrus plant extracts and their application on textiles for imparting antibacterial activity is reviewed in particular. The chemical composition of citrus plant extracts and their role as bioreductants in the synthesis of nanoparticles is also highlighted. Moreover, different qualitative and quantitative standard testing protocols employed for the antimicrobial characterization of plant extracts and textiles have been discussed. The major challenges and limitations associated with the plant-based biosynthesis of nanoparticles have also been highlighted.
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Krishnan, Suresh Kumar, Kavitha Subbiah, Vani Chandrapragasam i Kalidass Subramanian. "Comparison of membrane immobilized zero-valent iron nanoparticles for RED ME4BL azodye degradation". Journal of Applied and Natural Science 15, nr 2 (20.06.2023): 818–25. http://dx.doi.org/10.31018/jans.v15i2.4253.
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Textile industries are hailed as one of the major environmental polluters in the world, owing to their release of undesirable dye effluents. Synthetic dyes do not adhere to fabric firmly and are released into the aquatic ecosystem as effluent. Consequently, the consistent release of wastewater from numerous textile industries without previous treatment has detrimental effects on the ecosystem and human health. Treatment methods currently being used fail to degrade the dye effluents and have their own shortcomings. Immobilized nanoparticles have been extensively studied for dye remediation because of their many advantages over conventional methods. The present study aimed to compare the efficiency of two different carrier matrices [namely Poly(vinylidene fluoride) and Polyurethane] for iron nanoparticle and their decolorization activity on an azo dye (RED ME4BL). Scanning Electron Microscopy was carried out to show the deposition of iron nanoparticles on the membrane. The reaction kinetics of the bare nanoparticles were compared with that of the immobilized nanoparticles, and all were found to follow pseudo-second-order kinetics. Polyurethane immobilized iron nanoparticles showed a significant degradation of RED ME4bl than the Poly(vinylidene fluoride) immobilized iron and bare nanoparticles. This paper also demonstrates a relatively newer method for nanoparticle immobilisation using the synthetic polyurethane form.
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Józefczak, Arkadiusz, Katarzyna Kaczmarek, Rafał Bielas, Jitka Procházková i Ivo Šafařík. "Magneto-Responsive Textiles for Non-Invasive Heating". International Journal of Molecular Sciences 24, nr 14 (21.07.2023): 11744. http://dx.doi.org/10.3390/ijms241411744.
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Magneto-responsive textiles have emerged lately as an important carrier in various fields, including biomedical engineering. To date, most research has been performed on single magnetic fibers and focused mainly on the physical characterization of magnetic textiles. Herein, from simple woven and non-woven textiles we engineered materials with magnetic properties that can become potential candidates for a smart magnetic platform for heating treatments. Experiments were performed on tissue-mimicking materials to test the textiles’ heating efficiency in the site of interest. When the heat was induced with magneto-responsive textiles, the temperature increase in tissue-mimicking phantoms depended on several factors, such as the type of basic textile material, the concentration of magnetic nanoparticles deposited on the textile’s surface, and the number of layers covering the phantom. The values of temperature elevation, achieved with the use of magnetic textiles, are sufficient for potential application in magnetic hyperthermia therapies and as heating patches or bandages.
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Wang, Cheng, Hong Lin, Yu Yue Chen i Yan Hua Lu. "Preparation and Application of Low Molecular Weight Chitosan Nanoparticle as a Textile Finishing Agent". Advanced Materials Research 796 (wrzesień 2013): 92–97. http://dx.doi.org/10.4028/www.scientific.net/amr.796.92.
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Due to the advantages of both the chitosan and the nanomaterial, chitosan nanoparticle has a broad application in a lot of fields, such as medicine carrier, food process, cosmetics and agriculture protect. And there also appears a lot of research about chitosan nanoparticle in textile finishing in recent years. In former research, steady state chitosan nanoparticles were prepared by ionotropic gelation method in dispersion system. In this paper, in order to confirm the preparation of low molecular weight chitosan nanoparticle, it was also characterized by Fourier Transform Infrared (FT-IR) Spectrometry, X-ray diffraction (XRD) and Transmission Electron Microscope (TEM). Focusing on the application value, chitosan nanoparticles dispersion solution were used as one kind of textile finishing agent to modifyB.morisilk fabrics in order to realize the functionalization of silk fabrics. The wrinkle resistance and bacteria repellency of silk fabrics were tested in the paper. The results showed that chitosan nanoparticles were successfully prepared and confirmed accrording to the XRD, FT-IR and TEM tests. In addition, compared with the ordinaryB. morisilk fabric and theB. morisilk fabric treated with chitosan accordingly, theB. morisilk fabrics treated with chitosan nanoparticle dispersion system had better wrinkle resistance and bacteria repellency.
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Carneiro, J. O., A. P. Samantilleke, P. Parpot, F. Fernandes, M. Pastor, A. Correia, E. A. Luís, A. A. Chivanga Barros i V. Teixeira. "Visible Light Induced Enhanced Photocatalytic Degradation of Industrial Effluents (Rhodamine B) in Aqueous Media Using TiO2Nanoparticles". Journal of Nanomaterials 2016 (2016): 1–13. http://dx.doi.org/10.1155/2016/4396175.
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In recent years, new textile materials have been developed through the use of nanotechnology-based tools. The development of textile surfaces with self-cleaning properties has a large combined potential to reduce the environmental impact related to pollution. In this research work, three types of textiles substrates (cotton, Entretela, and polylactic acid (PLA)) were functionalized with titanium dioxide nanoparticles (TiO2) using chemical and mechanical processes (padding). During the functionalization process, two different methods were used, both of which allowed a good fixation of nanoparticles of TiO2on textile substrates. The samples were examined for morphology and for photocatalytic properties under visible light irradiation. A study aimed at evaluating the effect of pH of the aqueous solution of TiO2nanoparticles was performed in order to promote interaction between TiO2and the dye solution rhodamine B (Rh-B). The TiO2nanoparticles were characterized by X-ray diffraction (XRD). The measurement of the zeta potential of the TiO2nanoparticle solution proved to be always positive and have low colloidal stability. Chromatography (HPLC and GC-MS) analyses confirm that oxalic acid is the intermediate compound formed during the photodegradation process.
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Ahmad, Sheraz, Munir Ashraf, Azam Ali, Khubab Shaker, Muhammad Umair, Ali Afzal, Yasir Nawab i Abher Rasheed. "Preparation of Conductive Polyethylene Terephthalate Yarns by Deposition of Silver & Copper Nanoparticles". Fibres and Textiles in Eastern Europe 25 (31.10.2017): 25–30. http://dx.doi.org/10.5604/01.3001.0010.4623.
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The assemblage of textiles and electronics in a single structure has led to the development of smart textiles for functional purposes and special products. Conductive yarn as a necessary component of smart textiles is being developed by a number of techniques. The objective of the current study was to impart conductivity to yarn by coating the silver and copper nanoparticles on the surface of multifilament polyester textile fibres. The surface morphology and electrical conductivity of the coated yarns were investigated. The wash ability of the conductive yarns developed was also studied. The yarns showed good retention of the nanoparticles, as proven by the very small loss of the conductivity of the material.
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Markovic, Darka, Jelena Vasiljevic, Barbara Golja, Brigita Tomsic, Barbara Simoncic i Maja Radetic. "Biodegradation of cotton fabric impregnated with TiO2 nanoparticles". Journal of the Serbian Chemical Society 84, nr 7 (2019): 743–55. http://dx.doi.org/10.2298/jsc181213004m.
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Commercial P25 TiO2 nanoparticles are widely exploited as an efficient photocatalyst. In the textile domain, these nanoparticles are used for the production of self-cleaning, highly UV protective textiles, with an antimicrobial activity. The disposed textile products may end up in a landfill where they are subjected to the biodegradation process. Considering the importance of the later, this study discusses the biodegradation behaviour of cotton fabric impregnated with commercial P25 TiO2 nanoparticles. Photocatalytic activity of TiO2 nanoparticles immobilized on cotton fabric was proved by the photodegradation of dyes C.I. Acid Orange 7 and methylene blue in aqueous solution. Biodegradation of fabrics was assessed by soil burial test in periods of 3, 9 and 18 days. Chemical and morphological changes induced by biodegradation were analyzed by FTIR, SEM and EDS. A colour of the samples gradually changed from white to yellow/brown due to rotting. SEM analysis revealed a severe destruction of the control and impregnated cotton fibres after 18 days of soil burial which was in line with visual appearance of completely damaged fabrics. The results confirmed that biodegradation behaviour of both the control and impregnated sample was equivalent, indicating that P25 TiO2 nanoparticles did not inhibit the biodegradation process of cellulose.
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Plé, Jessica, Marine Dabert, Helene Lecoq, Sophie Hellé, Lydie Ploux i Lavinia Balan. "Antimicrobial and mechanical properties of functionalized textile by nanoarchitectured photoinduced Ag@polymer coating". Beilstein Journal of Nanotechnology 14 (12.01.2023): 95–109. http://dx.doi.org/10.3762/bjnano.14.11.
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The control of microbial proliferation is a constant battle, especially in the medical field where surfaces, equipment, and textiles need to be cleaned on a daily basis. Silver nanoparticles (AgNPs) possess well-documented antimicrobial properties and by combining them with a physical matrix, they can be applied to various surfaces to limit microbial contamination. With this in mind, a rapid and easy way to implement a photoinduced approach was investigated for textile functionalization with a silver@polymer self-assembled nanocomposite. By exposing the photosensitive formulation containing a silver precursor, a photoinitiator, and acrylic monomers to a UV source, highly reflective metallic coatings were obtained directly on the textile support. After assessing their optical and mechanical properties, the antimicrobial properties of the functionalized textiles were tested against Escherichia coli (E. coli) and Candida albicans (C. albicans) strains. In addition to being flexible and adherent to the textile substrates, the nanocomposites exhibited remarkable microbial growth inhibitory effects.
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Babu, B. S., R. Srinivasan, B. K. Potnuru, N. Ramanan, P. Gopikrishnan, A. P. Vijayandrahari, M. Sripragash, M. Santhosh i K. P. Yuthith Venkatesh. "Synthesis of zinc oxide nanoparticles and its applications in the surface modification of textile materials". Journal of Optoelectronic and Biomedical Materials 13, nr 4 (październik 2021): 171–76. http://dx.doi.org/10.15251/jobm.2021.134.171.
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The application of nanotechnology in the textile finishing is increasingly being explored due to its unique and valuable characteristics. This has brought up many innovative finishes as well as new application techniques. The nano-finished textile materials are found to have better physical properties than the conventionally finished textiles, in areas such as anti-microbial properties, UV blocking, soil-resistance, etc. In the present work, zinc oxide nano-particles were prepared by wet chemical method using zinc nitrate and sodium hydroxide as precursors and solublized starch as stabilizing agent. These nanoparticles were impregnated onto cotton fabrics by pad-dry-cure method using acrylic binder. A fine medium weight cotton fabric samples were used for this. The aims are to impart anti-microbial functions to the textile substrate and the functional properties of coated fabrics. The nano-ZnO impregnated cotton fabrics showed excellent antimicrobial activity against two types of representative bacteria viz. gram-positive organism (S.aureus) and gram-negative organism. (E. coli).
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IOANA CORINA, MOGA, MATACHE MIHAI GABRIEL i COVALIU ILEANA CRISTINA. "Advanced wastewater treatment stage for textile industry". Industria Textila 69, nr 06 (1.01.2019): 478–82. http://dx.doi.org/10.35530/it.069.06.1501.
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Dissolved air flotation represents an important stage for wastewater treatment and was used during the last sixty years for different pollutants such as: suspended solids, greases, oils etc. Nowadays, the dissolved air systems are generally applied in industrial wastewater treatment plants, where the amount of pollutants is above the average (textile and leather industry). The research team members developed an innovative DAF unit and realized a laboratory demonstrator (figure 1). The laboratory installation was tested and the efficiency of wastewater treatment was demonstrated. The latest researches proved that flotation reagents have an essential role in the removal of different pollutants. The scientific literature demonstrates that these reagents can be used to remove the pollutants as sludge or foam, Reagents are divided into modifiers, flocculants, depressants, collectors and frothers, depending on their role the flotation process. Nanomaterial utilization in wastewater treatment has become an intensely studied topic. Collectors reagents, based on hydrophobic nanoparticles, can adsorb a larger quantity of pollutants due to the hydrophilic particle surfaces that facilitate the attachment of pollutants to air bubbles generated by the DAF unit. In the present paper, the researchers present that the role of nanoparticles is to facilitate particle-bubble attachment and/or to minimize detachment. The goal of the study is to consider the influence of nanoparticle parameters on the various stages of particle flotation to demonstrate the key role of nanoparticles in removal of pollutants from textile wastewaters.
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Yang, Zhao Dan. "Application of Titanium Dioxide Nanoparticles on Textile Modification". Advanced Materials Research 821-822 (wrzesień 2013): 901–5. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.901.
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Titanium dioxide nanoparticles have the unique properties of optic character and can be used in textile region. In this paper, the application status, prepare methods of physical method and chemical method, application method of exhaustion, pad-dry-cure and coating methods in textile modification of titanium dioxide nanoparticles are introduced. The prepared mechanisms are then analysis. It is shown that titanium dioxide nanoparticles can provide ultraviolet-resistance fuction, anti-bacterial activity, infrared effects, anti-static eclectricity function, anti-aging function and Self-cleaning effect in textile modification. As last, the existed problems and tend to development are analysized.
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Таусарова (Tausarova), Бижамал (Bizhamal) Раимовна (Raimovna), i Сауле (Saule) Маратовна (Maratovna) Рахимова (Rahimova). "CELLULOSIC TEXTILE MATERIALS WITH ANTIBACTERIAL PROPERTIES MODIFIED WITH COPPER NA-NOPARTICLES". chemistry of plant raw material, nr 1 (25.10.2017): 163–69. http://dx.doi.org/10.14258/jcprm.2018012190.
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The paper presents data on the development of cellulosic textile materials with increased antimicrobial properties using copper nanoparticles. Synthesis of copper nanoparticles was carried out by simple chemical reduction of an aqueous solution of copper using ascorbic acid as a reducing agent. The influence of the concentration of copper, a reducing agent, and a stabilizer on the synthesis of copper nanoparticles was studied.A composition based on polyvinyl alcohol and copper nanoparticles was developed to impart enhanced antimicrobial properties to cellulosic textile materials. The results of the studies showed that a significant growth of bacteria was observed in the control sample (untreated fabric), the amount of mesophilic aerobic and facultative anaerobic microorganisms (Staphylococcus aureus) decreased with increasing concentrations of copper nanoparticles, antibacterial properties increased. Modified by the proposed method cellulosic textile materials showed high resistance to the action of microorganisms and can be used for the production of sanitary and hygienic textile products.
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Schneider, Raphaël. "Non-Cytotoxic Nanoparticles". Nanomaterials 12, nr 16 (19.08.2022): 2865. http://dx.doi.org/10.3390/nano12162865.
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Varsha N, Malavika B and Vyshnavi V Rao. "Antiviral Textiles: A Review on their types and Significance". International Journal for Modern Trends in Science and Technology 7, nr 03 (10.04.2021): 1–8. http://dx.doi.org/10.46501/ijmtst0703001.
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The world is ever developing with new inventions and technology to cater the changing lifestyles of people. The COVID-19 pandemic has stressed an increased importance of health products. One such innovation is antiviral textile which are which are capable of preventing the microbes or viruses to contact the surface of textiles. Natural fibre textiles are the best medium for the growth of many microbes which leads to degradation and unpleasant odours. To prevent all these undesirable effects, textiles are impregnated with antiviral nanoparticles in the fibres or fabrics. The use of nanoparticles makes the textiles antimicrobial, anti odour, water and stain repellent. In the last few decades, natural polymers have gained much attention among scientific communities owing to their therapeutic potential. Antiviral textiles are classified into a few broad groups, such as polymeric materials, metal ions/metal oxides, and functional nanomaterials, based on the type of materials used at the virus contamination sites. This review is an overview of antiviral textiles and their types, properties, structure of polymers and nanoparticles involved and their significance.
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Park, Sohyun, Jooyoun Kim i Chung Hee Park. "Superhydrophobic Textiles: Review of Theoretical Definitions, Fabrication and Functional Evaluation". Journal of Engineered Fibers and Fabrics 10, nr 4 (grudzień 2015): 155892501501000. http://dx.doi.org/10.1177/155892501501000401.
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Engineering of superhydrophobic textile surfaces has gained significant scientific and industrial interest for its potential applications in outdoor wear and protective textiles, resulting in many publications especially on theoretical models and fabrication methods. In this review, progress in theoretical definitions to explain the wetting behavior and realization techniques for superhydrophobic textile surfaces is discussed. Firstly, theoretical models from Young, Wenzel, and Cassie-Baxter to the more recent re-entrant angle model are overviewed to understand the design strategy for superhydrophobic surfaces. Secondly, major surface manipulation techniques to produce superhydrophobic textiles were reviewed for: modification of surface energy, addition of surface roughness by depositing or growing nanoparticles either in spherical form or in high aspect ratio, etching by plasma or caustic chemicals. Particular attention is paid to evaluation methods to measure the level of hydrophobicity for superhydrophobic textile surfaces, as a limitation of static water contact angle (WCA) on differentiating superhydrophobic surfaces has been reported elsewhere. The challenges in application of superhydrophobic textiles to clothing materials in terms of comfort properties and durability are discussed with the suggestion of further research opportunities to expand the application.
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Allehyani, Esam S., Yaaser Q. Almulaiky, Sami A. Al-Harbi i Reda M. El-Shishtawy. "In Situ Coating of Polydopamine-AgNPs on Polyester Fabrics Producing Antibacterial and Antioxidant Properties". Polymers 14, nr 18 (10.09.2022): 3794. http://dx.doi.org/10.3390/polym14183794.
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Nanoparticles are increasingly utilized as coating materials to improve the properties of polyester textiles. In this work, polyester textiles were successfully fabricated, with hydrazide groups serving as ligands for the entrapment of sliver ions and subsequent reduction to AgNPs. Polydopamine (PDA) was used in this work to impart antibacterial and antioxidant properties to the polyester textiles through its phenolic hydroxyl groups, which can convert silver ions into AgNPs. Moreover, glucose was used as a reducing agent to create AgNPs-loaded polyester hydrazide. ATR-FTIR, SEM, EDX, thermogravimetric analysis (TGA), and tensile strength were used to characterize the pristine polyester, the polyester hydrazide, the PDA-coated AgNP-loaded polyester hydrazide and the AgNP-loaded polyester hydrazide. A broth test was also used to investigate the textile’s antimicrobial activities against Escherichia coli and Staphylococcus aureus. Overall, the composite nanocoating with PDA-AgNPs demonstrated good tensile strength and antioxidant and antibacterial characteristics, implying the practicality of PDA-AgNPs coating polyester for biomedical textile applications.
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Wijenayaka, Lahiru A., Ruchira N. Wijesena, Nadeeka D. Tissera, W. R. L. Nisansala Bandara, Gehan J. Amaratunga i K. M. Nalin De Silva. "Infrared absorbing nanoparticle impregnated self-heating fabrics for significantly improved moisture management under ambient conditions". Royal Society Open Science 8, nr 5 (maj 2021): 202222. http://dx.doi.org/10.1098/rsos.202222.
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Propensity of a textile material to evaporate moisture from its surface, commonly referred to as the ‘moisture management’ ability, is an important characteristic that dictates the applicability of a given textile material in the activewear garment industry. Here, an infrared absorbing nanoparticle impregnated self-heating (IRANISH) fabric is developed by impregnating tin-doped indium oxide (ITO) nanoparticles into a polyester fabric through a facile high-pressure dyeing approach. It is observed that under simulated solar radiation, the impregnated ITO nanoparticles can absorb IR radiation, which is effectively transferred as thermal energy to any moisture present on the fabric. This transfer of thermal energy facilitates the enhanced evaporation of moisture from the IRANISH fabric surface and as per experimental findings, a 54 ± 9% increase in the intrinsic drying rate is observed for IRANISH fabrics compared with control polyester fabrics that are treated under identical conditions, but in the absence of nanoparticles. Approach developed here for improved moisture management via the incorporation of IR absorbing nanomaterials into a textile material is novel, facile, efficient and applicable at any stage of garment manufacture. Hence, it allows us to effectively overcome the limitations faced by existing yarn-level and structural strategies for improved moisture management.
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Javaid, Sana, Azhar Mahmood, Habib Nasir, Mudassir Iqbal, Naveed Ahmed i Nasir M. Ahmad. "Layer-By-Layer Self-Assembled Dip Coating for Antifouling Functionalized Finishing of Cotton Textile". Polymers 14, nr 13 (22.06.2022): 2540. http://dx.doi.org/10.3390/polym14132540.
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The fouling of surfaces such as textiles is a major health challenge, and there is a continuous effort to develop materials and processes to overcome it. In consideration of this, this study regards the development of antifouling functional nanoencapsulated finishing for the cotton textile fabric by employing a layer-by-layer dip coating technique. Antifouling textile finishing was formulated by inducing the nanoencapsulation of the antifouling functional group inside the hydrophobic polymeric shell. Cotton fabric was taken as a substrate to incorporate antibacterial functionality by alternatively fabricating multilayers of antifouling polymeric formulation (APF) and polyelectrolyte solution. The surface morphology of nanoencapsulated finished textile fabric was characterized through scanning electron microscopy to confirm the uniform distribution of nanoparticles on the cotton textile fabric. Optical profilometry and atomic force microscopy studies indicated increased surface roughness in the coated textile substrate as compared to the uncoated textile. The surface thickness of the fabricated textile increased with the number of deposited bilayers on the textile substrate. Surface hydrophobicity increased with number of coating bilayers with θ values of x for single layer, up to y for 20 bilayers. The antibacterial activity of the uncoated and layer-by-layer coated finished textile was also evaluated. It was significant and exhibited a significant zone of inhibition against microbial strains Gram-positive S. aureus and Gram-negative E. coli. The bilayer coating exhibited water repellency, hydrophobicity, and antibacterial activity. Thus, the fabricated textile could be highly useful for many industrial and biomedical applications.
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CHIRILA, LAURA, CARMEN GAIDAU, MALVINA STROE, MIHAELA BAIBARAC, MARIA STANCA, DENISA MARIA RADULESCU, DIANA ELENA RADULESCU i COSMIN-ANDREI ALEXE. "Properties of textile and leather materials treated with new hybrid SiO2/TiO2/poly(2,2’-bithiophene) nanocomposites". Industria Textila 70, nr 03 (2019): 236–41. http://dx.doi.org/10.35530/it.070.03.1634.
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The aim of this study was to investigate the influence of new hybrid composites of TiO2 or SiO2 nanoparticles with poly(2,2’- bithiophene) on 50% cotton/50% polyester fabric and sheep skin leather surface properties. The dispersion-based newly made nanocomposites were analyzed to determine conductivity, particle size, polydispersity and Zeta potential. The finished textile and leather materials were characterized in terms of functionalization treatments performance by: surface resistivity, water contact behaviour, physical-mechanical characteristics and photocatalytic properties. SEM analysis was used to investigate the distribution of nanoparticles on the textile and leather materials surface. Textile materials treated with SiO2/poly(2,2’-bithiophene) nanocomposite with concentration 98 wt% nanoparticles of SiO2 and leather treated with poly SiO2/poly(2,2’-bithiophene) nanocomposite with concentration of 95 wt% nanoparticles of SiO2 showed lower resistivity values, confirming the conductive properties of silica. The higher photodegradation efficiency of functionalized materials has been obtained for textile material treated with poly TiO2/(2,2’-bithiophene)with concentration of 95 wt% nanoparticles of TiO2 and for leather material treated with TiO2/poly(2,2’-bithiophene) with concentration of 98 wt% nanoparticles of TiO2, respectively.
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R. Poorniammal i S. Prabhu. "Exploitation of Thermomyces fungal pigment for the synthesis of silver nanoparticles for textile application". Emergent Life Sciences Research 09, nr 01 (2023): 40–48. http://dx.doi.org/10.31783/elsr.2023.914048.
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Antimicrobial fabrics have gained considerable interest for use in different fields of application. However, most of these antimicrobials have many disadvantages viz., toxicity on non-targets, environment, and low durability of finished products, etc. The study aimed to develop an ecofriendly nanoparticle that can be used both as an antimicrobial and coloring agent. Fungi are known to produce a wide spectrum of colors as secondary metabolites, and they are also capable of creating nanoparticles. Thermomyces sp. is capable of producing a yellow pigment along with the ability to synthesize silver nanoparticles. UV-Vis spectroscopy, FT-IR, and TEM were used to analyze the synthesized silver nanoparticles. The size of the silver nanoparticles was found to be between 10 and 50 nm, and nanoparticles treated cloth displayed 90% antibacterial action against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa. Pseudomonas aeruginosa.
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Caicedo, Carolina, Leticia Melo López, Christian Javier Cabello Alvarado, Víctor Cruz Delgado i Carlos Alberto Ávila Orta. "Nanocomposite and biodegradable polymers applied to technical textiles". DYNA 86, nr 211 (1.10.2019): 288–99. http://dx.doi.org/10.15446/dyna.v86n211.80230.
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Based on the results of research papers reflected in the scientific literature, the main examples, methods and perspectives for the development of technical textiles are considered. The focus of this work is to concentrate the results obtained for different textile applications (technical textiles) through the use of biodegradable polymers modified and improved with nanoparticles. The techniques for obtaining polymeric nanocomposites, finishing processes, type and structure of textiles are specified. In general, key aspects are identified for a better understanding of the technical challenges and physicochemical effects of the fibers.
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Patni, Rajita, Prama Esther Soloman, Chhagan Lal i Pankaj Kumar Jain. "Biosynthesis of Nanoparticles using Microorganisms and their Applications". Journal of Scientific Research 66, nr 04 (2022): 21–28. http://dx.doi.org/10.37398/jsr.2022.660404.
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Materials behave in a different way when they are in their nano sizes. Nanomaterials encompass a high surface-to-volume ratio, a high adsorption capacity, high sensitivity, and reactivity, hence these can be efficiently used for textile wastewater treatment. Numerous studies have shown that nanoparticles can effectively eliminate various pollutants of domestic and industrial effluent. Nanoparticles are conventionally synthesized by physical and chemical methods but these methods use toxic chemicals, complicated procedures, and expensive materials. Presently, enzymatic processes are the most preferred method as they are economically cheap and environmentally sustainable. Microorganisms, break down the metal salts into metal nanoparticles, which can be isolated and used for textile dye degradation. This review epitomizes the various biosynthesized metal and metal oxide nanoparticles by different microorganisms and if they are efficient to degrade diverse textile dyes.
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T R, Juby, Saniya S, Hariharan V i Sreejith J. "Green Synthesis of Iron Oxide Nanoparticles Using Simarouba Glauca Leaf Extract and Application in Textile Effluent Treatment". International Journal for Research in Applied Science and Engineering Technology 10, nr 5 (31.05.2022): 3893–99. http://dx.doi.org/10.22214/ijraset.2022.43262.
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Abstract: In this study the iron oxide nanoparticles were synthesized by using with “Simarouba glauca” leaf extract, used for the treatment of textile effluent. The ability of Iron oxide NPs act as photo catalysts in dye degradation of organic pollutants. The crystalline nature and purity of synthesized nanoparticles were characterized by XRD, SEM, FTIR and UV-Visible spectrophotometer. The XRD pattern of the distinct peak of Fe₂O₃ was found at 33.47 (2θ). The SEM images demonstrated that the size of the nanoparticles was the range from 70-122nm. FTIR spectrum of Fe₂O₃ showed the presence of polyphenol shows its highest frequency at 447.49cmˉ¹. UV-Visible spectrum of the absorption peak of 352 nm demonstrated the iron oxide nanoparticles. The photocatalytic activity of the iron oxide nanoparticles synthesized using Simaurauba glauca aqueous leaf extract was studied by the decolorization of textile effluent. Keywords; Green synthesis, iron oxide nanoparticles, X-Ray diffraction analysis, FTIR spectra, UV-Visible spectrometer, Textile effluent treatment.