Articoli di riviste: "Greek textiles"

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Spantidaki, Stella, e Christina Margariti. "Archaeological textiles excavated in Greece". Archaeological Reports 63 (novembre 2017): 49–62. http://dx.doi.org/10.1017/s0570608418000054.

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This paper offers an account of the archaeological textiles excavated in Greece, consideration of the challenges one has to deal with when studying such materials and a discussion of ways to overcome them. A complete list of archaeological textiles excavated in Greece is not within the scope of this paper, since such comprehensive studies have been published previously (Spantidaki and Moulhérat 2012; Moulhérat and Spantidaki 2016) and, of course, the corpus of such textiles is continuously expanding.The study of textiles is an emerging and fast-growing field of Greek archaeology (Gleba 2011). The number of archaeologists and conservators working with and studying archaeological textiles is steadily increasing, thus raising the general awareness of textiles and expanding the corpus of known ancient fabrics. In recent years, several research projects have investigated ancient Greek textiles, such as those conducted by the Centre for Textile Research at the University of Copenhagen (for example Textile Economies in the Mediterranean Area), several funded by Marie Skłodowska Curie Action grants and some by European Research Council grants (for example Production and Consumption: Textile Economy and Urbanisation in Mediterranean Europe 1000–500 BCE hosted by Cambridge University).

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Vryzidis, Nikolaos. "Ottoman textiles and Greek clerical vestments: prolegomena on a neglected aspect of ecclesiastical material culture". Byzantine and Modern Greek Studies 42, n. 1 (13 marzo 2018): 92–114. http://dx.doi.org/10.1017/byz.2017.22.

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This article discusses a neglected aspect of Greek ecclesiastical material culture: the wide use of Ottoman textiles after the conquest of Constantinople. My discussion will touch upon Greek archival sources before analysing three different types of textiles: aniconic silks and velvets; Ottoman figural production for the Christian market; and embroidery of the Byzantine tradition featuring Ottoman motifs. These categories represent three different points of contact between Ottoman aesthetic and Greek ecclesiastical material culture. If the use of aniconic textiles expresses the employment of court aesthetic, then the figural silks represent the weaving industry's response to a Christian demand for such products. Finally, the Byzantine-tradition embroideries discussed constitute evidence of artistic confluence.

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Vryzidis, Nikolaos. "Persian Textiles in the Ottoman Empire: Evidence from Greek Sacristies". Iran 56, n. 2 (3 ottobre 2017): 228–36. http://dx.doi.org/10.1080/05786967.2017.1380258.

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Strohmaier, Patricia. "Vom liturgischen Textil zum Werbebanner? Zwei byzantinische Goldstickereien im Dom zu Halberstadt". Zeitschrift für Kunstgeschichte 80, n. 2 (30 dicembre 2017): 219–46. http://dx.doi.org/10.1515/zkg-2017-0012.

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Abstract Two church banners made from a garment of late-fourteenth-century Italian lampas display two late-twelfth-century purple veils embroidered with gold. Bishop Konrad of Krosigk, having acquired a treasure of relics, textiles, and liturgical objects during the Fourth Crusade, donated these to his cathedral. The article focuses on how the two veils, which originally had veiled the chalice and the paten in the Byzantine mass, were reused and reframed. There is evidence that at first they were displayed upon or close to the altar, representing the cathedral’s new wealth by their costly appearance and Greek inscriptions evoking the splendor of Byzantine textile production. When sewn on church banners in the fifteenth century, they assumed the role of an advertisement for the Byzantine treasure, an attempt to reaffirm the marginalized cathedral’s prestige.

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Karatzani, Anna. "Study and analytical investigation of metal threads from Byzantine/Greek ecclesiastical textiles". X-Ray Spectrometry 37, n. 4 (luglio 2008): 410–17. http://dx.doi.org/10.1002/xrs.1021.

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Lyons, Deborah. "Dangerous Gifts: Ideologies of Marriage and Exchange in Ancient Greece". Classical Antiquity 22, n. 1 (1 aprile 2003): 93–134. http://dx.doi.org/10.1525/ca.2003.22.1.93.

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A familiar theme in Greek myth is that of the deadly gift that passes between a man and a woman. Analysis of exchanges between men and women reveals the gendered nature of exchange in ancient Greek mythic thinking. Using the anthropological categories of male and female wealth (with examples drawn from many cultures), it is possible to arrive at an understanding of the protocols of exchange as they relate to men and especially to women. These protocols, which are based in part on the distinction between metals and other durable goods as "male" and textiles as "female," are closely related to the gendered division of labor. Anxiety about women as exchangers derives in part from their status as objects exchanged in marriage (as exemplified by Helen in the Iliad), and partly from a misogynist and pessimistic strand of Greek thought (embodied by Hesiod's Pandora) that discounts any female economic contribution to the oikos. Indeed, the majority of destructive exchanges take place within the context of marital crisis. While some texts, beginning with the Odyssey, show the positive side of women's economic role, tragedy tends to follow the Hesiodic distrust of women as exchange partners. Passages from the Agamemnon and the Trachiniai are analyzed to show how in situations of perverted reciprocity brought about by marital discord, even women's traditional gifts of textiles may become deadly.

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Karatzani, Anna, e Thilo Rehren. "The use of metal threads and decorations in Byzantine-Greek Orthodox ecclesiastical textiles". JOM 58, n. 5 (maggio 2006): 34–37. http://dx.doi.org/10.1007/s11837-006-0020-1.

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Lillethun, Abby. "Prehistoric, Ancient Near Eastern and Aegean Textiles and Dress: An Interdisciplinary Anthology. Ancient Textiles Series, Vol. 18 Greek and Roman Textiles and Dress: An Interdisciplinary Anthology. Ancient Textiles Series, Vol. 19Body, Dress, and Identity in Ancient Greece". Dress 42, n. 2 (2 luglio 2016): 128–32. http://dx.doi.org/10.1080/03612112.2016.1215828.

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Galinos, Elias, e Mick Marchington. "Beyond the Anglo-Saxon and North European models: social partnership in a Greek textiles company". Industrial Relations Journal 37, n. 2 (marzo 2006): 131–46. http://dx.doi.org/10.1111/j.1468-2338.2006.00394.x.

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Brøns, Cecilie, e Kerstin Droß-Krüpe. "The Colour Purple? Reconsidering the Greek Word halourgos (ἁλουργός) and its Relation to Ancient Textiles". Textile History 49, n. 1 (2 gennaio 2018): 22–43. http://dx.doi.org/10.1080/00404969.2018.1438237.

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Tello Benedicto, Jorge. "Ártemis del quitón. Una aproximación a su culto en la antigüedad = Artemis Kithone. An approach to her cult in antiquity". ARYS. Antigüedad: Religiones y Sociedades, n. 17 (20 novembre 2019): 37. http://dx.doi.org/10.20318/arys.2019.4602.

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Resumen: Este artículo pretende recopilar la documentación textual, tanto epigráfica como literaria, del culto de Ártemis bajo la epiclesis Κιθώνη para dibujar un escenario general de su veneración en la Antigüedad. Esta epiclesis, documentada por primera vez en Mileto en época arcaica (siglo VI a.C.), parece referirse al tipo de ofrendas que la diosa recibía bajo esta advocación. En efecto, la ofrenda de vestidos está bien atestiguada epigráficamente en el Ática y en la Jonia anatólica, donde han sido descubiertos inventarios de santuarios que describen con gran precisión ofrendas textiles en el marco del culto a Ártemis. Las fuentes literarias, por otra parte, amplían las prerrogativas de Ártemis del Quitón relacionando a la divinidad con la música, el baile e incluso con la fundación mítica de Mileto; también amplían su geografía cultual, que se inserta en el mundo dórico a través de Siracusa.Abstract: The aim of this article is to provide a general framework for Artemis Κιθώνη cult through the collection of Greek epigraphic and literary sources. This epiclesis, first attested in Miletus during the archaic period (VI BC), seems to refer to the offerings received by the goddess under this particular invocation. Indeed, clothing offerings are epigraphically recorded in Attica and in Ionia, where temple inventories describing accurately textiles as votive gifts for Artemis have been discovered. On the other hand, literary sources extend Artemis Κιθώνη prerogatives, linking her to music, dance and even to the mythical foundation of Miletus; they also expand the influence area of her cult into the Doric world through Syracuse.Palabras clave: Ártemis Κιθώνη, culto, epiclesis, inventarios de vestidos, Jonia, Mileto.Key words: Artemis Κιθώνη, cult, epiclesis, Ionia, Miletus, textile inventories.

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Vryzidis, Nikolaos. "Ottoman textiles and Greek clerical vestments: prolegomena on a neglected aspect of ecclesiastical material culture-CORRIGENDUM". Byzantine and Modern Greek Studies 42, n. 2 (21 maggio 2018): 315. http://dx.doi.org/10.1017/byz.2018.3.

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González-Arias, Luz Mar. "Penelope in Three Movements: A Reading of Dorothy Molloy’s ‘Waiting for Julio’". Review of Irish Studies in Europe 2, n. 1 (19 marzo 2018): 225–40. http://dx.doi.org/10.32803/rise.v2i1.1729.

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This essay is a close reading of Dorothy Molloy’s poem ‘Waiting for Julio’ under the spotlight of the classical characters of Penelope and Ulysses. In Molloy’s text, the constant emphasis on clothes and textiles will add an important layer of meaning to the palimpsest of readings of the Greek myths. Although feminist interpretations of Penelope are numerous, the reading of strong gender asymmetries into Homer’s plotline—what we could call ‘victim narratives’—has been pervasive both in criticism and in artistic revisions of the myth. Thus, the critical assessment of this poem will be enriched by the tradition of interpretative frames for the Homeric story. I will also place Dorothy Molloy’s poem in an international context of revisionist myth-making and, specifically, will connect it with a long list of Penelopes recreated by contemporary Irish women poets. This close reading will be structured in three sections that account for the three themes that are paramount both in Molloy’s contemporary text and in the related episodes in the Odyssey: the institutionalization of love, the long wait with its strong relationship to clothes and textiles and, finally, the return of the hero.

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Funke, Frank. "Putting Future into Textiles". Advanced Materials Research 441 (gennaio 2012): 781. http://dx.doi.org/10.4028/www.scientific.net/amr.441.781.

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Nowadays, low carbon is an important trend of textile industry. Green textile has become a favorite of market, a sustainable textiles benefit for human safety, energy saving and emission reduction. With cases and data, BASF will introduce its contribution to safe and ecological textile manufacturing as a chemical supplier focusing on 3 key areas: consumer safety, resource saving and climate protection. BASF is continually providing ecological solutions to textile industry, commit to the sustainable development of the textile industry. BASF aims to expand its cooperation and communication with industry partners and contribute to better textiles and a better future.

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Dadakas, Dimitrios, e Stelios D. Katranidis. "The Effects of Trade Liberalization in Textiles and Clothing on the Greek Market for Cotton Yarn: A Multi-Market Analysis". Review of International Economics 18, n. 1 (febbraio 2010): 138–52. http://dx.doi.org/10.1111/j.1467-9396.2009.00863.x.

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LEI, SHEN, ZHANG XIYING, REN XIANGFANG e CHEN HAN. "Research status and prospect of intelligent fibres and textiles". Industria Textila 72, n. 03 (30 giugno 2021): 274–83. http://dx.doi.org/10.35530/it.072.03.1747.

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Intelligent fibre is a kind of fibre that integrates sensing and information processing. It is similar to biological materialsand has intelligent functions such as self-perception, self-adaptation, self-diagnosis, and self-repair. Intelligent textilesrefer to textiles that have sensing and responding functions to the environment. Intelligent fibres and their textiles notonly have the ability to perceive and respond to external stimuli but also have the ability to adapt to the externalenvironment. In recent years, the research on intelligent fibres has achieved many results in the world, and it is widelyused in textiles and clothing industry. Therefore, this paper summarized the research status of intelligent fibre andintelligent textile worldwide, and put forward the research direction in the future. This paper introduced the propertiesand research status of five kinds of main intelligent fibres, including phase change fibre, shape memory fibre, smarthydrogel fibre, optical fibre and electronic intelligent fibre, and summarized their application in textiles. This paper alsointroduced the research status of five important intelligent textiles, including intelligent temperature control textile, shapememory textiles, waterproof and moisture permeable textile, intelligent antibacterial textile and electronic intelligenttextile. Moreover, it forecasted the development prospects of intelligent fibres and textiles, and pointed out developmentdirection in three aspects of performance optimization, green and safety, industrialization. It provided research referenceand guidance for future intelligent fibre and intelligent textile.

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Sanchis-Sebastiá, Miguel, Vera Novy, Lars Stigsson, Mats Galbe e Ola Wallberg. "Towards circular fashion – transforming pulp mills into hubs for textile recycling". RSC Advances 11, n. 20 (2021): 12321–29. http://dx.doi.org/10.1039/d1ra00168j.

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Vryzidis. "Textiles and Ceremonial of the Greek Orthodox Church under the Ottomans: New Evidence on Hil'ats, Kaftans, Covers, and Hangings". Journal of the Ottoman and Turkish Studies Association 6, n. 1 (2019): 61. http://dx.doi.org/10.2979/jottturstuass.6.1.06.

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Diekel, Felice, Natalia Mikosch, Vanessa Bach e Matthias Finkbeiner. "Life Cycle Based Comparison of Textile Ecolabels". Sustainability 13, n. 4 (6 febbraio 2021): 1751. http://dx.doi.org/10.3390/su13041751.

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Environmental impacts of textile production increased over the last decades. This also led to an increasing demand for sustainable textiles and ecolabels, which intend to provide information on environmental aspects of textiles for the consumer. The goal of the paper is to assess selected labels with regard to their strengths and weaknesses, as well as their coverage of relevant environmental aspects over the life cycle of textiles. We applied a characterization scheme to analyse seven selected labels (Blue Angel Textiles, bluesign®, Cotton made in Africa (CMiA), Cradle to Cradle CertifiedTM, Global Organic Textile Standard (GOTS), Global Recycled Standard (GRS), VAUDE Green Shape), and compared their focus to the environmental hotpots identified in the product environmental footprint case study of t-shirts. Most labels focus on the environmental aspects toxicity, water use, and air emissions predominantly in the upstream life cycle phases of textiles (mainly garment production), whereas some relevant impacts and life cycle phases like water in textile use phase remain neglected. We found significant differences between the ecolabels, and none of them cover all relevant aspects and impacts over the life cycle. Consumers need to be aware of these limitations when making purchase decisions.

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Wang, Yan Li, Jing Li, Mei Hua Zhou, Li Xia Ma e Yan Chao Zhao. "The Ecological Design and Developmental Ways of Ecological Textile". Advanced Materials Research 347-353 (ottobre 2011): 2938–42. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.2938.

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At first, the paper introduces the international development trends of textiles, and indicates that we must conform to the ecological textile to resolve the green barriers. Then the paper introduces the concept and the essence of this ecological design, and raises the ways that achieves ecological textile from ecological evolving, ecological running, ecological designing, etc. At last, the paper introduces the ways of realizing ecological textile from four factors which are using regeneration material, reducing material consumption, elevating textile life and reusing the castoff textile.

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Wu, Ming-Chung, Shun-Hsiang Chan e Ting-Han Lin. "Fabrication and photocatalytic performance of electrospun PVA/silk/TiO2 nanocomposite textile". Functional Materials Letters 08, n. 03 (giugno 2015): 1540013. http://dx.doi.org/10.1142/s1793604715400135.

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Many organic/inorganic nanocomposites have been fabricated into fibrous materials using electrospinning techniques, because electrospinning processes have many attractive advantages and the ability to produce relatively large-scale continuous films. In this study, the polyvinyl alcohol (PVA)/silk/titanium dioxide ( TiO 2) nanocomposite self-cleaning textiles were successfully produced using electrospinning technique. After optimizing electrospinning conditions, we successfully obtained the PVA/silk/ TiO 2 nanocomposite fibers with average diameter of ∼220 nm and TiO 2 concentration can be as high as 18.0 wt.%. For the case of the PVA/silk/ TiO 2 nanocomposite textile, the color of brilliant green coated on the textile surface changed from the initial green color to colorless after ultraviolet (UV) irradiation. Because of its worthy photocatalytic performance, the developed PVA/silk/ TiO 2 nanocomposite materials in this study will be beneficial for the design and fabrication of multifunctional fibers and textiles.

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Asmat-Campos, David, Daniel Delfín-Narciso e 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, n. 2 (1 febbraio 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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Zikria, Hina Maryam Binte, Muniza Irfan e Farhat Umar. "Assessment of Sustainable Development in Apparel Value Chains". Sustainable Business and Society in Emerging Economies 2, n. 2 (31 dicembre 2020): 21–40. http://dx.doi.org/10.26710/sbsee.v2i2.1214.

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Inspired by the United Nation’s Sustainability Development goals for responsible consumption and production, this final year two-student team thesis was conducted across six convenience sampled textiles and apparels companies in Karachi, Pakistan, as exploratory research. Interviews of purposively sampled personnel from these companies were assessed on their awareness on sustainability and the initiatives taken to develop infrastructures in alignment with green value chain standards and sustainable product. The instrument used is an unstructured questionnaire developed by the student researchers from adopted aspects of the Global Reporting Initiative standards. The use of thematic analysis and Greening Goliaths vs Emerging Davids Sustainability Matrix was further essential in this study’s potential in proposing green marketing strategy (GMS) to the Ministry of Textile Industry, and the All Pakistan Textile Mills Association. The study brought to light the detriments to market penetration of sustainable textiles and apparels in Pakistan, namely the economy, and consumer behavior. Conclusively, the student researchers found that the textiles industry in Pakistan was well developed along global sustainable goals but demand for sustainable apparel stemmed from developed nations owing to their consumer’s awareness on the implications of inorganic derived apparels on the environment.

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Janarthanan, M., e M. Senthil Kumar. "The properties of bioactive substances obtained from seaweeds and their applications in textile industries". Journal of Industrial Textiles 48, n. 1 (9 febbraio 2017): 361–401. http://dx.doi.org/10.1177/1528083717692596.

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Technical textiles are one of the fastest emergent sectors of textile industries worldwide. Medical textiles and healthcare textiles are the most important development areas within technical textiles. A rapid advancement in the health care and hygiene sector together with an increase in health consciousness has made medical textiles an important field. In order to protect people against harmful pathogens, an antimicrobial textile has been developed and as a result, finishes began to evolve in recent years. A critical problem regarding healthcare and hygiene products chemical based synthetic antimicrobial finishes or coatings for infection control. To provide the potential solution and to avoid such critical problem, seaweeds may be used. Seaweeds are plant-like organisms that commonly live attached to rocks in the coastal areas. Seaweeds of brown, green and red colour contain major pigments such as chlorophyll, carotenoids, phycobiliproteins, beta carotene and lutein; these are used for the extraction of natural dyes in textiles. Marine macroalgae (seaweeds) is rich in bioactive compounds that could potentially be exploited as functional ingredients with potential medicinal, health care or pharmaceutical activities for both human and animal health applications. The present review discusses the research potential of different bioactive compounds and its salient features that are mainly responsible for the antioxidant and antimicrobial properties present in seaweeds and their applications in the area of medical textiles.

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Haseeb, Muhammad, Sebastian Kot, Hafezali Iqbal Hussain, Leonardus WW Mihardjo e Piotr Saługa. "Modelling the Non-Linear Energy Intensity Effect Based on a Quantile-on-Quantile Approach: The Case of Textiles Manufacturing in Asian Countries". Energies 13, n. 9 (3 maggio 2020): 2229. http://dx.doi.org/10.3390/en13092229.

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The objective of the current examination is to identify the dynamic relationship between the textile industry and energy intensity. The study evaluates the asymmetric impact of textile manufacturing on energy intensity in leading Asian economies based on textile dominance. China, Indonesia, India, Pakistan, Bangladesh, Malaysia, South Korea, Thailand, Japan and Vietnam are dominant in textile manufacturing. In the present study we used yearly textiles and clothing data from top ten selected Asian textile manufacturing countries from 1990 to 2018. The results of quantile-on-quantile regression (QQ) confirmed that textiles and clothing (T&C) production have a positive and significant impact on energy intensity in all countries. The results further suggested that a low level of T&C production increases the level of energy intensity in all selected countries. On the other hand, the results of Granger causality in quantiles confirm a bidirectional causal relationship between T&C production and energy intensity in all selected countries except Thailand and Japan, where a uni-directional causal connection between textile and clothing manufacturing and energy intensity can also be found. This study recommends that governments and investors need to invest more in green and advanced technologies to reduce the energy intensity in Asian economies.

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Zawistoski, Patsy Sue. "Time for a forum on terms used for textile fibers". BioResources 7, n. 4 (6 agosto 2012): 4491–92. http://dx.doi.org/10.15376/biores.7.4.4491-4492.

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The advances in manufactured fibers and textiles have garnered interest and excitement of textile artists and consumers alike for a myriad of reasons, including health, environmental, and fashion. The chemical and molecular nature of these advances, however leads to confusion and misunderstanding of the new fibers in the materials. This is exacerbated by the current climate of distrust for chemical words and desire for “green” products and the unregulated (mis)information and marketing on the web. Textile artists, consumers, and the clothing and household textile industry need clear names and labels to identify the materials they are using.

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Mayer-Gall, Plohl, Derksen, Lauer, Neldner, Ali, Fuchs, Gutmann e Opwis. "A Green Water-Soluble Cyclophosphazene as a Flame Retardant Finish for Textiles". Molecules 24, n. 17 (26 agosto 2019): 3100. http://dx.doi.org/10.3390/molecules24173100.

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Poly- and cyclophosphazenes are excellent flame retardants but currently, are not used as textile finishing agents because water-soluble and permanent washing systems are missing. Here, we demonstrate for the first time, the successful usage of a water-soluble cyclotriphosphazene derivative for textile finishing for cotton, different cotton/polyester, and cotton/polyamide blend fabrics. A durable finish was achieved using a photoinduced grafting reaction. The flame retardant properties of the various fabrics were improved with a higher limiting oxygen index, a reduced heat release rate, and an exhibition of intumescent. Furthermore, the finished textiles passed several standardized flammability tests.

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Sparkes, Brian A. "VI Images". New Surveys in the Classics 40 (2010): 124–49. http://dx.doi.org/10.1017/s0017383510000756.

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As we have seen in previous chapters, throughout the Greek world, in cities, cemeteries, and sanctuaries, images, usually of figures in human form, were omnipresent, shaped at full and small size in wood, stone, and bronze, painted on panels and walls, and chosen as decoration for metal and clay vessels, for textiles, for jewellery and gems, for bone and ivory objects, and so on. Such images were constantly before the eyes of the men and women as they went about their daily lives. They acted as a visual language that was parallel to the oral versions in talk, recitation, songs, and plays. It is unlikely that the general public gave much thought to the men who made the images and gradually changed the look of the statues seen in the street, the reliefs that adorned the temples in the sanctuaries, the funerary monuments in the cemeteries, or the painted objects handled at home and elsewhere. They would have scanned the images for their content – figures created in their imagination or stories conjured up from the past that they had heard in public performance or private conversation, as well as scenes that related to the social life of their own day.

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Brooks, Mary M. "Spinning Fates and The Song of the Loom: The Use of Textiles, Clothing and Cloth Production as Metaphor, Symbol and Narrative Device in Greek and Latin Literature". Textile History 49, n. 2 (3 luglio 2018): 252–54. http://dx.doi.org/10.1080/00404969.2018.1515386.

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Kumar, Dr Jitender. "Decolorization of Textile Dye- Malachite Green". International Journal of Trend in Scientific Research and Development Volume-1, Issue-5 (31 agosto 2017): 1211–15. http://dx.doi.org/10.31142/ijtsrd2435.

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Jemo, Danijela, e Djurdjica Parac-Osterman. "Identification of Natural Dyes on 18th Century Liturgical Textiles from Dubrovnik". Fibres and Textiles in Eastern Europe 25 (28 febbraio 2017): 113–20. http://dx.doi.org/10.5604/12303666.1227891.

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In this paper researches were carried out on fragments of textiles from the 18[sup]th[/sup] century from Dubrovnik, for which, based on the design and art-historical analysis, it was determined that it was a part of an object (pluvial, cope) from liturgical vestments (ecclesiastical textiles) of the Dubrovnik diocese. Using modern non-destructive and micro-destructive methods we conducted the identification of green, blue and red as the dominant tones on the artefacts of historical textiles from Dubrovnik. The identification was based on the application of modern complementary techniques: UV / VIS, HPLC, SEM-EDX and FTIR-ATR. We analysed samples of coloured fiber, as well as ones obtained by the extraction of dyes from the dyed fibers. Archival data on natural dyes used in the Dubrovnik region in the period 14-19th century was taken into account in the identification of the historical textile dyes.

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Valentini, Federica, Mara Cirone, Michela Relucenti, Roberta Santarelli, Aurelia Gaeta, Valentina Mussi, Sara De Simone, Alessandra Zicari e Stefania Mardente. "Antiviral Filtering Capacity of GO-Coated Textiles". Applied Sciences 11, n. 16 (16 agosto 2021): 7501. http://dx.doi.org/10.3390/app11167501.

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Background. New antiviral textiles for the protection and prevention of life-threatening viral diseases are needed. Graphene oxide derivatives are versatile substances that can be combined with fabrics by different green electrochemistry methods. Methods In this study, graphene oxide (GO) nanosheets were combined with textile samples to study GO antiviral potential. GO synthesized in the Chemistry laboratories at the University of Rome Tor Vergata (Italy) and characterized with TEM/EDX, XRD, TGA, Raman spectroscopy, and FTIR, was applied at three different concentrations to linen textiles with the hot-dip and dry method to obtain filters. The GO-treated textiles were tested to prevent infection of a human glioblastoma cell line (U373) with human herpesvirus 6A (HHV-6A). Green electrochemical exfoliation of graphite into the oxidized graphene nanosheets provides a final GO-based product suitable for a virus interaction, mainly depending on the double layer of nanosheets, their corresponding nanometric sizes, and Z-potential value. Results Since GO-treated filters were able to prevent infection of cells in a dose-dependent fashion, our results suggest that GO may exert antiviral properties that can be exploited for medical devices and general use fabrics.

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Matos, Joana C., Cláudia Oliveira e M. Clara Gonçalves. "Daylight Bactericidal Titania Textiles: A Contribution to Nosocomial Infections Control". Molecules 24, n. 10 (16 maggio 2019): 1891. http://dx.doi.org/10.3390/molecules24101891.

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Daylight bactericidal cotton (100% cotton) textiles are presented and proposed for future hospital use. Amorphous titania (a-TiO2) and amorphous titania/chitosan complexes (a-TiO2//CS) were the selected bactericidal agents. Nanoparticles (NPs) and films were the two paths designed. Cotton textiles were impregnated with a-TiO2-based NPs or coated with a-TiO2 films. Industrial impregnation/coating will be implemented during the textile finishing treatments. A novel (room temperature and base-catalyzed), green (hydrothermal water as a catalyst), time-saving, and easy scale-up sol–gel process was established to produce the a-TiO2-based NPs. Amorphous-TiO2 films were produced by a dip-in (acid catalyzed) sol–gel solution. The daylight bactericidal performance (without the need of an external ultraviolet light source) of a-TiO2 NPs, films, and impregnated/coated textiles was proven according to AATCC 100 and ASTM E2149, using Staphylococcus aureus (ATCC®6538TM) as the bacterial indicator strain. A bacterial reduction of 99.97% was achieved for the a-TiO2 films and of 99.97% for the a-TiO2//CS NPs. Regarding the impregnated textiles, a bacterial reduction of 91.66% was achieved with a-TiO2//CS NPs, and 99.97% for cotton textiles coated with an a-TiO2 film.

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Braun, Gregor, Claudia Som, Mélanie Schmutz e Roland Hischier. "Environmental Consequences of Closing the Textile Loop—Life Cycle Assessment of a Circular Polyester Jacket". Applied Sciences 11, n. 7 (26 marzo 2021): 2964. http://dx.doi.org/10.3390/app11072964.

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The textile industry is recognized as being one of the most polluting industries. Thus, the European Union aims to transform the textile industry with its “European Green Deal” and “Circular Economy Action Plan”. Awareness regarding the environmental impact of textiles is increasing and initiatives are appearing to make more sustainable products with a strong wish to move towards a circular economy. One of these initiatives is wear2wearTM, a collaboration consisting of multiple companies aiming to close the loop for polyester textiles. However, designing a circular product system does not lead automatically to lower environmental impacts. Therefore, a Life Cycle Assessment study has been conducted in order to compare the environmental impacts of a circular with a linear workwear jacket. The results show that a thoughtful “circular economy system” design approach can result in significantly lower environmental impacts than linear product systems. The study illustrates at the same time the necessity for Life Cycle Assessment practitioners to go beyond a simple comparison of one product to another when it comes to circular economy. Such products require a wider system analysis approach that takes into account multiple loops, having interconnected energy and material flows through reuse, remanufacture, and various recycling practices.

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Habib, Md Ahashan, Yukun Bao, Nurun Nabi, Marzia Dulal, Asma Ansary Asha e Mazedul Islam. "Impact of Strategic Orientations on the Implementation of Green Supply Chain Management Practices and Sustainable Firm Performance". Sustainability 13, n. 1 (1 gennaio 2021): 340. http://dx.doi.org/10.3390/su13010340.

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Ensuring sustainability through green supply chain management practices has become challenging for the textiles and garments industry. Organizations need to examine the factors of the firm’s sustainability performance and how to manage them strategically. Hence, the strategic organizational orientation can be the best approach for implementing green supply chain management (GSCM) practices to improve firm sustainability performance. This study aims to assess the impact of strategic orientation in three dimensions, such as green entrepreneurial orientation (GEO), market orientation (MO), and knowledge management orientation (KMO) on the implementation of green supply chain management (GSCM) practices and the subsequently sustainable firm performance. Data were gathered from an extensive scale survey of 266 respondents of textile manufacturing firms in Bangladesh. Data were analyzed in the structural equation model (SEM) with partial least squares techniques to justify the proposed hypotheses. The results reveal that GEO and MO have a significant positive effect on GSCM practices, affecting sustainable firm performance. Surprisingly, KMO does not have a positive impact on GSCM practices. Further, this study reveals that GSCM practices partially mediate the relationship between GEO and sustainable firm performance while MO and KMO partially mediate the relationship between GEO and GSCM practices. Overall, findings help textiles firm management comprehensively understand the implementation strategies of GSCM practices in operations and reconfigure accordingly in the competitive business environment while improving firm performances. This study is the first to investigate the effect of strategic orientation on GSCM practices implementation in the textiles industry from the context of an upstream operation with a comprehensive understanding of the factors while reducing environmental impact.

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Li, Xuan. "A Brief Analysis of the Application of Green Textiles in Children’s Space Environment Design". Advanced Materials Research 1048 (ottobre 2014): 354–57. http://dx.doi.org/10.4028/www.scientific.net/amr.1048.354.

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This article starts from discussing the quality and security issues of children’s textiles inrecent years, then it analyzes the current application range of children’s textiles in their space environment, the development status of children’s green textiles and the application of children’s space environment. From the status quo and the perspective of domestic and abroad ecological standard of green textiles, the article emphasizes on the importance of green textiles application in children’s space environment designs. It also points out that green textiles will become the development direction of children’s textiles. Finally, it offers according strategies and suggestions.

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M., Janarthanan, e Senthil Kumar M. "New bioactive non-implantable textile material using green seaweed for medical applications". International Journal of Clothing Science and Technology 29, n. 1 (6 marzo 2017): 69–83. http://dx.doi.org/10.1108/ijcst-10-2015-0110.

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Purpose Medical textile is one aspect of technical textiles and it is classified according to performance and functional properties for hygienic and healthcare products. Seaweeds have curative powers for curing most degenerative diseases. The paper aims to discuss these issues. Design/methodology/approach The present study focusses on the extraction of dyes from five seaweeds such as Ulva reticulata, Ulva lactuca, Sargassum wightii, Padina tetrastomatica and Acanthophora spicefera. The presence of bioactive compounds, antioxidant and antimicrobial properties of dye extracted from seaweeds was analysed. The dye extracted from green seaweed was applied on cotton fabric to obtain antimicrobial and other properties used to make non- implantable materials. Findings A maximum antioxidant inhibition percentage of 86.48+2.84 and a maximum antibacterial activity of 27 mm inhibition zone were obtained on the fabric treated with the dye extract from the Ulva lactuca seaweed. The physical properties such as tensile strength and tearing strength did not show much significant difference in untreated and treated fabric. The air permeability, water absorbency and wicking behaviour of treated fabric were reduced compared with untreated fabric. The washing and rubbing properties of treated fabric were very good after repeated washing. Originality/value This bioactive fabric has been used for non-implantable materials such as wound healing, face mask, surgical gowns and hygienic textiles in recent years.

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Stenton, Marie, Joseph A. Houghton, Veronika Kapsali e Richard S. Blackburn. "The Potential for Regenerated Protein Fibres within a Circular Economy: Lessons from the Past Can Inform Sustainable Innovation in the Textiles Industry". Sustainability 13, n. 4 (21 febbraio 2021): 2328. http://dx.doi.org/10.3390/su13042328.

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Humanity is currently facing a crisis of excess, with a growing population and the trend towards disposable goods, and the world’s resources are under tremendous pressure. This is especially evident in the textiles industry, with increasing consumer numbers and the trend of ‘fast fashion’ causing demand to be at an all-time high, with non-renewable feedstocks depleting and production of natural fibres also under strain. Considering the future of textile production, it can be beneficial to investigate our past for inspiration towards more sustainable approaches. Much of the research into regenerated protein fibres was performed out of necessity during wartime, and while this demonstrates the potential for food waste to be exploited as a resource, the manufacturing methods used at the time now present issues for a circular economy due to the high amounts of toxic waste produced. Using a range of historical and modern literature sources, including journal articles, patents and conference papers, this review presents the historical precedent and research performed into azlons, regenerated fibres produced from waste protein-rich materials. Historical evidence shows that the success of these azlon fibres was short-lived, partly due to negative associations with deprivation and hardship, alongside the emergence of alternative man-made fibres, which were devoid of these connotations with never-before-seen physical properties. The social and political climate leading to the creation, and ultimate demise, of azlons is explored along with the influence of evolving technologies and the marketing of these textile products to consumers. Although the creation of products from waste is not a new concept, the literature has identified that the synergy between the challenges faced in a time of resource scarcity and the current trend of problematic excess reveals an exciting opportunity to learn from our past to create a greener future. Lessons that could help with the current crisis within the textile industry are extracted and presented within the concept of a circular textiles economy. Our findings show that there is notable potential for one regenerated protein fibre, made from casein extracted from milk waste, to be manufactured within a localised, circular economy in conjunction with the principles of green chemistry and sustainable textiles technology.

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Hu, Jing, Zuo-Bing Xiao, Ru-Jun Zhou, Shuang-Shuang Ma, Zhen Li e Ming-Xi Wang. "Comparison of compounded fragrance and chitosan nanoparticles loaded with fragrance applied in cotton fabrics". Textile Research Journal 81, n. 19 (12 settembre 2011): 2056–64. http://dx.doi.org/10.1177/0040517511416274.

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The long-term fragrance releasing textiles hold considerable market share in textile consumption market. Then, encapsulating fragrance in nanoparticles could reduce the evaporation of volatile components and prolong the service life of aroma finished textiles. In this paper, chitosan (CS) with excellent biocompatibility and biodegradability was used to encapsulate rose fragrance to form nanoparticles via the ionic gelification. The mean diameter of spherical chitosan nanoparticles loaded with fragrance (RF-NPs) was 138 nm, zeta potential was 10.20 mV and polydispersity index (PDI) was 0.110. RF-NPs and compounded rose fragrance (RF) were applied to the cotton fabrics respectively without the adhesive agents. Scanning electron microscopy (SEM) demonstrated that the number of the fragrance particles on the cotton fibres finished by RF-NPs was more than that finished by RF. Besides, after 20 cycles of washing, more RF-NPs still fixed on the surface of the cotton fabrics. Fourier transform infrared spectrometry (FT-IR) proved that RF-NPs have been incorporated into the cotton fibres successfully. Gas chromatography-mass spectrometry (GC-MS) analysis and ultraviolet (UV) spectrum analysis showed that the fragrance loss from the cotton fabrics finished by RF-NPs was obviously lower than that by RF after 20 washing cycles. The cotton fabrics finished by chitosan nanoparticles loaded with fragrance had better sustained release property, which provided a preparation method of the green aroma fnished textiles without the resin.

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Graßmann, Carsten, Evelyn Lempa, Maike Rabe, Andreas Kitzig, Edwin Naroska e Benno Neukirch. "Electroluminescent Textile for Therapeutic Applications". Advances in Science and Technology 100 (ottobre 2016): 73–78. http://dx.doi.org/10.4028/www.scientific.net/ast.100.73.

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Alternating-current (AC) electroluminescent (EL) devices on fabrics with high brightness are presented. The EL-devices were fabricated via knife coating; inorganic luminous pigments are based on zinc sulfide. Effects of parameters influencing the brightness were investigated. These parameters are the AC-voltage, AC-frequency, AC-waveform, layer composition of the luminous capacitor and the fabric. Introducing a flexible reflecting dielectric layer enhances the light yield on fine woven fabrics with green luminous pigment. This can be achieved with small concentrations of reflective white pigments such as titanium dioxide, maintaining the flexibility and bendability of the textile substrate. The produced luminous textiles are investigated as a possible replacement for light boxes used in the therapy of seasonal affective disorder (SAD). A high luminous emittance and a high portion of short and energy rich wavelengths are necessary for the treatment. Contrarily to state-of-the-art light boxes a higher acceptance of light therapy is expected, because a luminous textile can be integrated easily and unremarkably into the living environment.

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Malucelli, Giulio. "Biomacromolecules and Bio-Sourced Products for the Design of Flame Retarded Fabrics: Current State of the Art and Future Perspectives". Molecules 24, n. 20 (20 ottobre 2019): 3774. http://dx.doi.org/10.3390/molecules24203774.

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The search for possible alternatives to traditional flame retardants (FRs) is pushing the academic and industrial communities towards the design of new products that exhibit low environmental impact and toxicity, notwithstanding high performances, when put in contact with a flame or exposed to an irradiative heat flux. In this context, in the last five to ten years, the suitability and effectiveness of some biomacromolecules and bio-sourced products with a specific chemical structure and composition as effective flame retardants for natural or synthetic textiles has been thoroughly explored at the lab-scale level. In particular, different proteins (such as whey proteins, caseins, and hydrophobins), nucleic acids and extracts from natural sources, even wastes and crops, have been selected and exploited for designing flame retardant finishing treatments for several fibers and fabrics. It was found that these biomacromolecules and bio-sourced products, which usually bear key elements (i.e., nitrogen, phosphorus, and sulphur) can be easily applied to textiles using standard impregnation/exhaustion methods or even the layer-by-layer technique; moreover, these “green” products are mostly responsible for the formation of a stable protective char (i.e., a carbonaceous residue), as a result of the exposure of the textile substrate to a heat flux or a flame. This review is aimed at summarizing the development and the recent progress concerning the utilization of biomacromolecules/bio-sourced products as effective flame retardants for different textile materials. Furthermore, the existing drawbacks and limitations of the proposed finishing approaches as well as some possible further advances will be considered.

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Venkatraman, Prabhuraj D., Usha Sayed, Sneha Parte e Swati Korgaonkar. "Development of Advanced Textile Finishes Using Nano-Emulsions from Herbal Extracts for Organic Cotton Fabrics". Coatings 11, n. 8 (5 agosto 2021): 939. http://dx.doi.org/10.3390/coatings11080939.

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The development of textile finishing with improved functional properties has been a growing interest among industry and scientists worldwide. The recent global pandemic also enhanced the awareness amongst many toward improved hygiene and the use of antimicrobial textiles. Generally, natural herbal components are known to possess antimicrobial properties which are green and eco-friendly. This research reports a novel and innovative method of developing and optimising nano-emulsions using two combinations of herbal extracts produced from Moringa Oleifera, curry leaf, coconut oil (nano-emulsion 1) and other using Aegle marmelos with curry leaf and coconut oil (nano-emulsion 2). Nano-emulsions were optimised for their pH, thermal stability, and particle size, and percentage add-on. Organic cotton fabrics (20 and 60 gsm) were finished with nano-emulsions using continuous and batch processes and characterised for their surface morphology using scanning electron microscopy, energy dispersive X-ray (EDX) analysis and Fourier transform infrared spectroscopy (FTIR) analysis. The finished fabrics were evaluated for their Whiteness Index, assessed for antimicrobial resistance against Gram-positive (Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli) using AATCC 100 and 147 methods. In addition, fabrics were assessed for their antifungal efficacy (AATCC 30), tensile strength and air permeability. Results suggested that finished organic fabrics with nano-emulsions had antimicrobial resistance, antifungal, wash fastness after 20 washing cycles, and sufficient strength. This novel finishing method suggests that organic cotton fabrics treated with nano-emulsions can be used as a durable antimicrobial textile for healthcare and hygiene textiles.

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Zhang, Ben Zhao, e Chen Qin. "Study on the Implementation Method of Green Textile". Advanced Materials Research 821-822 (settembre 2013): 446–52. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.446.

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In the context of sustainable development, the green and sustainable development of textile industry has been widespread concerned, the development of green textile is inevitable. In order to realize the green textile, this study started from the sustainable development of the textile industry, and explored the methods to implement green textile, then the green cycling development system of textile industry was put forward.

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Zhao, Yuanfang, e Li Li. "Colorimetric properties and application of temperature indicator thermochromic pigment for thermal woven textile". Textile Research Journal 89, n. 15 (26 ottobre 2018): 3098–111. http://dx.doi.org/10.1177/0040517518805390.

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Currently, the thermometer, infrared thermal imaging camera and temperature sensor are the main instruments for the temperature measurement of thermal products. However, these instruments are either inconvenient or too expensive to afford. For researchers, these are common to approach, whereas for designers or salespeople who work in the thermal textile field, new tools that are more convenient to access, easily affordable and have design possibilities need to be invented. This study aims to select a temperature indicator thermochromic pigment amount of four pigments (red, yellow, green and blue) for thermal woven textiles by analyzing the colorimetric properties and making a fast indicator demonstration prototype to achieve the concept. The pigment samples are heated respectively and the decolorization color at 40℃, 50℃, 60℃ and 70℃ under illuminant D65 are real-time measured by a spectroradiometer. The L*, a*, b*, ΔL*, Δa*, Δb*, K/ S and color difference CMC 2:1 values are calculated and analyzed. In this experiment, blue pigment has the best performance and thus results in the top selection of the indicator pigment, which is used in production for a fast, convenient and visualized temperature indicator for thermal woven textiles.

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Verma, Himani, Anita Rani, Manisha Gahlot, Alka Goel e Anil Kumar Sharma. "Sustainable dyeing of wool fabric with Talaromyces purpurogenus". Journal of Applied and Natural Science 11, n. 4 (10 dicembre 2019): 796–801. http://dx.doi.org/10.31018/jans.v11i4.2179.

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Natural dyes had been used by human being since ancient times for colouring of various materials including textiles. These were replaced completely by synthetic dyes, continuous use of which created the problem of pollution and environmental degradation. With the development of green technology and increased awareness of sustainability, the use of non-allergic, non-toxic and eco-friendly natural dyes on textiles has become a matter of significant importance. Among the natural sources of colourants, microorganisms such as bacteria and fungi have gained interest in the field of textile coloration. In the present study, the pigment solution yielded from growth of Talaromyces purpurogenus sp. on organic waste was used for dyeing of wool fabric. Under the dyeing conditions i.e. 1:30 M:L ratio, pH 5, 80º C temperature and 45 minutes dyeing time, the percent absorption could reach 57 %, 32%, 36% and 49% respectively. The wool fabric samples dyed with the fungal dye exhibited very good to excellent washing and rubbing fastness properties. The colour pigment obtained from fungal thus offered an opportunity to reduce impact on plant resources for dye source exploration. So it can be concluded from the study that a natural fungal dye could help to sustain the environment and to minimize the over exploitation of natural resources.

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Oinam Roselyn Devi. "New Sustainable Fibres and their application in Textiles: A Review". International Journal for Modern Trends in Science and Technology 06, n. 9S (16 ottobre 2020): 136–41. http://dx.doi.org/10.46501/ijmtst0609s22.

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Presently, sustainability became a key mantra in all the industries across the world, especially the textile sector as it is one of the largest industries in the world. In textile science, natural fibres have a big role in a sustainable environment-friendly future and became a significant topic to exploit a new natural resource which is green and environment-friendly. Considering this, fibres from various sources were explored by many researchers for its potentialities in improving the quality of life around the world. Aloe vera, banana, sisal, hemp, jute, bamboo, milk fibre, corn, soya, groundnut shell, arecanut, coffee bean waste, lyocell and eucalyptus were few among them. Each year, more synthetic fibres and high energy-consuming products are being replaced by natural-fiber-based products. Additionally, natural fibres have been used not only for clothing but also for technical applications such as composite materials, building materials, filtration and insulation materials. The reason for this trend is not only due to increase environmental awareness but also because of its excellent properties, such as lightweight, strength, low costs and simple sourcing. Meanwhile,waste utilization became one of the important and challengeable jobs around the world. The Textile industry has obtained many fibres from bioresource waste as an important step toward sustainable development. As for example, Pinafibre is a minor fibre obtained from waste pineapple leaves. The study attempted to review some of the selected new sustainable fibres from waste materials and their application in textiles.

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Niu, Chengzhi, e Yougan Zhu. "Evaluation Index System for Green Development of Textile and Garment Industry". E3S Web of Conferences 275 (2021): 02036. http://dx.doi.org/10.1051/e3sconf/202127502036.

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This article uses the analytic hierarchy process to establish the textile industry green development evaluation index system. This index system supplements the existing textile industry green development evaluation system research to a certain extent, enriches the existing industry evaluation research, and further expands Vision and ideas for the development of the textile industry. This indicator system can help the textile and apparel industry to understand the transformation stage of the industry more reasonably in the green development, and help the textile and apparel industry to achieve a green and sustainable development transformation.

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Bhandari, Netra Lal, Jyoti Ghimire, Sunita Shrestha, Ganesh Bhandari, Sitaram Bhattarai e Rameshwar Adhikari. "Green Extraction, Characterization, Applications and Antimicrobial Analysis of Natural Dye from Phyllanthus emblica". Asian Journal of Chemistry 33, n. 2 (2021): 404–10. http://dx.doi.org/10.14233/ajchem.2021.23008.

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Global consciousness towards the organic value of eco-friendly products has attracted the interest of people towards the use of naturally dyed textiles and organic mordants. The present study has been focused not only on exploring the bio-colourant activity of Phyllanthus emblica (Amala) but also on the application of natural mordant for textile dyeing and analysis of its medicinal properties. It has been discovered from the investigation that biomordants like extract of Aloe vera’s as well as extract of mango’s bark extract were able to evince their characteristic colour ameliorate behaviour close to synthetic ones. Besides, the disparity in absorbance band in ultraviolet spectroscopy, distinction in functional groups and differences in surface morphology of two extracted dyes were observed that provided information on colour variation in the cotton fabrics. An eagle gray shade and brown-hued on the cotton fabric were noticed from water and ethanol extracted dyes, respectively. Further, it is confirmed that the natural dyes contain bioactive phytochemicals like tannins, phenols and flavonoids that provide a significant antibacterial activity which will help it to be beneficially utilized in protective medical clothing.

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Eid, Ahmed M., Amr Fouda, Gniewko Niedbała, Saad El-Din Hassan, Salem S. Salem, Abdullah M. Abdo, Helal F. Hetta e Tharwat I. Shaheen. "Endophytic Streptomyces laurentii Mediated Green Synthesis of Ag-NPs with Antibacterial and Anticancer Properties for Developing Functional Textile Fabric Properties". Antibiotics 9, n. 10 (24 settembre 2020): 641. http://dx.doi.org/10.3390/antibiotics9100641.

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Improvement of the medical textile industry has received more attention recently, especially with widespread of microbial and viral infections. Medical textiles with new properties, such as bacterial pathogens self-cleaning, have been explored with nanotechnology. In this study, an endophytic actinomycetes strain of Streptomyces laurentii R-1 was isolated from the roots of the medicinal plant Achillea fragrantissima. This is used as a catalyst for the mediated biosynthesis of silver nanoparticles (Ag-NPs) for applications in the textile industry. The biosynthesized Ag-NPs were characterized using UV-vis spectroscopy, Fourier transform infrared (FT-IR), transmission electron microscopy (TEM), and X-ray Diffraction (XRD), which confirmed the successful formation of crystalline, spherical metal nanoparticles. The biosynthesized Ag-NPs exhibited broad-spectrum antibacterial activity. Our data elucidated that the biosynthesized Ag-NPs had a highly cytotoxic effect against the cancerous caco-2 cell line. The selected safe dose of Ag-NPs for loading on cotton fabrics was 100 ppm, regarding their antibacterial activity and safe cytotoxic efficacy. Interestingly, scanning electron microscope connected with energy dispersive X-ray spectroscopy (SEM-EDX) of loaded cotton fabrics demonstrated the smooth distribution of Ag-NPs on treated fabrics. The obtained results highlighted the broad-spectrum activity of nano-finished fabrics against pathogenic bacteria, even after 5 and 10 washing cycles. This study contributes a suitable guide for the performance of green synthesized NPs for utilization in different biotechnological sectors.

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Alonso-Segura, Diana, Luis Hernández-García, Jorge Menchaca-Arredondo, Mario Sánchez, Belén Chamorro-Garza e Raquel Garza-Hernández. "The Development and Characterization of a Cotton–Chitosan Composite for Lead Removal from Water". Polymers 13, n. 13 (23 giugno 2021): 2066. http://dx.doi.org/10.3390/polym13132066.

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Heavy metals in water are a serious environmental problem due to their accumulation and toxicity; there are several processes we can use to address this issue, but adsorption is the most popular due to its simplicity and efficiency. Polysaccharides such as cellulose have received attention as adsorbents for heavy metals, and cotton–chitosan composites (CCs) were developed here with nontoxic reagents such as carboxylic acids as crosslinkers and NaH2PO4 as a catalyst to achieve chitosan covalent crosslinkage into oxidized cotton textiles with H2O2. The composites were characterized by fourier-transform infrared spectroscopy (FTIR), elemental analysis (EA), X-ray photoelectron spectroscopy (XPS), atomic-force and scanning electron microscopy (AFM and SEM), and tensile strength; the adsorption of lead ions (Pb) was evaluated with cotton–chitosan composites and quantified by microwave plasma atomic emission spectroscopy (MP-AES). The composites showed a maximum incorporation of chitosan of 27.62 mg per gram of cotton textile. A tensile strength analysis of the composite showed a Young’s modulus approximately 1 MPa higher than that of cotton textile. The adsorption of lead ions with composites in an aqueous solution at pH 5 and 25 °C was circa 74% after 6 h of contact, as determined by MP-AES. This work is an approach to demonstrate the potential of these polysaccharides, modified by “green” procedures to remove pollutants from water.

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