Relevant bibliographies by topics / Nanomaterial Chemistry

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Nanomaterial Chemistry'

Author: Grafiati
Published: 7 September 2023

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Journal articles on the topic "Nanomaterial Chemistry"

1

Kladko, Daniil V., Aleksandra S. Falchevskaya, Nikita S. Serov, and Artur Y. Prilepskii. "Nanomaterial Shape Influence on Cell Behavior." International Journal of Molecular Sciences 22, no. 10 (May 17, 2021): 5266. http://dx.doi.org/10.3390/ijms22105266.

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Nanomaterials are proven to affect the biological activity of mammalian and microbial cells profoundly. Despite this fact, only surface chemistry, charge, and area are often linked to these phenomena. Moreover, most attention in this field is directed exclusively at nanomaterial cytotoxicity. At the same time, there is a large body of studies showing the influence of nanomaterials on cellular metabolism, proliferation, differentiation, reprogramming, gene transfer, and many other processes. Furthermore, it has been revealed that in all these cases, the shape of the nanomaterial plays a crucial role. In this paper, the mechanisms of nanomaterials shape control, approaches toward its synthesis, and the influence of nanomaterial shape on various biological activities of mammalian and microbial cells, such as proliferation, differentiation, and metabolism, as well as the prospects of this emerging field, are reviewed.
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Munyebvu, Neal, Julia Nette, Stavros Stavrakis, Philip D. Howes, and Andrew J. DeMello. "Transforming Nanomaterial Synthesis with Flow Chemistry." CHIMIA 77, no. 5 (May 31, 2023): 312. http://dx.doi.org/10.2533/chimia.2023.312.

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Microfluidic methods for the synthesis of nanomaterials allow the generation of high-quality products with outstanding structural, electronic and optical properties. At a fundamental level, this is engendered by the ability to control both heat and mass transfer in a rapid and precise manner, but also by the facile integration of in-line characterization tools and machine learning algorithms. Such integrated platforms provide for exquisite control over material properties during synthesis, accelerate the optimization of electronic and optical properties and bestow new insights into the optoelectronic properties of nanomaterials. Herein, we present a brief perspective on the role that microfluidic technologies can play in nanomaterial synthesis, with a particular focus on recent studies that incorporate in-line optical characterization and machine learning. We also consider the importance and challenges associated with integrating additional functional components within experimental workflows and the upscaling of microfluidic platforms for production of industrial-scale quantities of nanomaterials.
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Vilímová, Iveta, Katel Hervé-Aubert, and Igor Chourpa. "Formation of miRNA Nanoprobes—Conjugation Approaches Leading to the Functionalization." Molecules 27, no. 23 (December 2, 2022): 8428. http://dx.doi.org/10.3390/molecules27238428.

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Recently, microRNAs (miRNA) captured the interest as novel diagnostic and prognostic biomarkers, with their potential for early indication of numerous pathologies. Since miRNA is a short, non-coding RNA sequence, the sensitivity and selectivity of their detection remain a cornerstone of scientific research. As such, methods based on nanomaterials have emerged in hopes of developing fast and facile approaches. At the core of the detection method based on nanotechnology lie nanoprobes and other functionalized nanomaterials. Since miRNA sensing and detection are generally rooted in the capture of target miRNA with the complementary sequence of oligonucleotides, the sequence needs to be attached to the nanomaterial with a specific conjugation strategy. As each nanomaterial has its unique properties, and each conjugation approach presents its drawbacks and advantages, this review offers a condensed overview of the conjugation approaches in nanomaterial-based miRNA sensing. Starting with a brief recapitulation of specific properties and characteristics of nanomaterials that can be used as a substrate, the focus is then centered on covalent and non-covalent bonding chemistry, leading to the functionalization of the nanomaterials, which are the most commonly used in miRNA sensing methods.
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Ling Zhang, Ling Zhang. "Applications, Challenges and Development of Nanomaterials and Nanotechnology." Journal of the chemical society of pakistan 42, no. 5 (2020): 658. http://dx.doi.org/10.52568/000690.

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Nanomaterials and nanotechnology have been rapidly developed and widely applied in antimicrobial, biosensors, nanomedicine, nano-electronic technology, reinforcement, water treatment, and so on. However, there are also many problems and challenges during using and developing nanomaterials and nanotechnology. Are they secure enough for the health of human beings? Do they cause the environmental pollution? And how can we sustainably develop nanomaterial and nanotechnology? In this review, we introduced the applications, potential threats and hazards, and development and prospect of nanomaterial and nanotechnology.
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Ling Zhang, Ling Zhang. "Applications, Challenges and Development of Nanomaterials and Nanotechnology." Journal of the chemical society of pakistan 42, no. 5 (2020): 658. http://dx.doi.org/10.52568/000690/jcsp/42.05.2020.

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Nanomaterials and nanotechnology have been rapidly developed and widely applied in antimicrobial, biosensors, nanomedicine, nano-electronic technology, reinforcement, water treatment, and so on. However, there are also many problems and challenges during using and developing nanomaterials and nanotechnology. Are they secure enough for the health of human beings? Do they cause the environmental pollution? And how can we sustainably develop nanomaterial and nanotechnology? In this review, we introduced the applications, potential threats and hazards, and development and prospect of nanomaterial and nanotechnology.
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Garriga, Rosa, Tania Herrero-Continente, Miguel Palos, Vicente L. Cebolla, Jesús Osada, Edgar Muñoz, and María Jesús Rodríguez-Yoldi. "Toxicity of Carbon Nanomaterials and Their Potential Application as Drug Delivery Systems: In Vitro Studies in Caco-2 and MCF-7 Cell Lines." Nanomaterials 10, no. 8 (August 18, 2020): 1617. http://dx.doi.org/10.3390/nano10081617.

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Carbon nanomaterials have attracted increasing attention in biomedicine recently to be used as drug nanocarriers suitable for medical treatments, due to their large surface area, high cellular internalization and preferential tumor accumulation, that enable these nanomaterials to transport chemotherapeutic agents preferentially to tumor sites, thereby reducing drug toxic side effects. However, there are widespread concerns on the inherent cytotoxicity of carbon nanomaterials, which remains controversial to this day, with studies demonstrating conflicting results. We investigated here in vitro toxicity of various carbon nanomaterials in human epithelial colorectal adenocarcinoma (Caco-2) cells and human breast adenocarcinoma (MCF-7) cells. Carbon nanohorns (CNH), carbon nanotubes (CNT), carbon nanoplatelets (CNP), graphene oxide (GO), reduced graphene oxide (GO) and nanodiamonds (ND) were systematically compared, using Pluronic F-127 dispersant. Cell viability after carbon nanomaterial treatment followed the order CNP < CNH < RGO < CNT < GO < ND, being the effect more pronounced on the more rapidly dividing Caco-2 cells. CNP produced remarkably high reactive oxygen species (ROS) levels. Furthermore, the potential of these materials as nanocarriers in the field of drug delivery of doxorubicin and camptothecin anticancer drugs was also compared. In all cases the carbon nanomaterial/drug complexes resulted in improved anticancer activity compared to that of the free drug, being the efficiency largely dependent of the carbon nanomaterial hydrophobicity and surface chemistry. These fundamental studies are of paramount importance as screening and risk-to-benefit assessment towards the development of smart carbon nanomaterial-based nanocarriers.
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Danial, Wan Hazman, Nur Fathanah Md Bahri, and Zaiton Abdul Majid. "Preparation, Marriage Chemistry and Applications of Graphene Quantum Dots–Nanocellulose Composite: A Brief Review." Molecules 26, no. 20 (October 12, 2021): 6158. http://dx.doi.org/10.3390/molecules26206158.

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Graphene quantum dots (GQDs) are zero-dimensional carbon-based materials, while nanocellulose is a nanomaterial that can be derived from naturally occurring cellulose polymers or renewable biomass resources. The unique geometrical, biocompatible and biodegradable properties of both these remarkable nanomaterials have caught the attention of the scientific community in terms of fundamental research aimed at advancing technology. This study reviews the preparation, marriage chemistry and applications of GQDs–nanocellulose composites. The preparation of these composites can be achieved via rapid and simple solution mixing containing known concentration of nanomaterial with a pre-defined composition ratio in a neutral pH medium. They can also be incorporated into other matrices or drop-casted onto substrates, depending on the intended application. Additionally, combining GQDs and nanocellulose has proven to impart new hybrid nanomaterials with excellent performance as well as surface functionality and, therefore, a plethora of applications. Potential applications for GQDs–nanocellulose composites include sensing or, for analytical purposes, injectable 3D printing materials, supercapacitors and light-emitting diodes. This review unlocks windows of research opportunities for GQDs–nanocellulose composites and pave the way for the synthesis and application of more innovative hybrid nanomaterials.
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Her, Shiuh-Chuan, and Yuan-Ming Liang. "Carbon-Based Nanomaterials Thin Film Deposited on a Flexible Substrate for Strain Sensing Application." Sensors 22, no. 13 (July 4, 2022): 5039. http://dx.doi.org/10.3390/s22135039.

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Hybrid nanomaterial film consisting of multi-walled carbon nanotubes (MWCNT) and graphene nanoplatelet (GNP) were deposited on a highly flexible polyimide (PI) substrate using spray gun. The hybridization between 2-D GNP and 1-D MWCNT reduces stacking among the nanomaterials and produces a thin film with a porous structure. Carbon-based nanomaterials of MWCNT and GNP with high electrical conductivity can be employed to detect the deformation and damage for structural health monitoring. The strain sensing capability of carbon-based hybrid nanomaterial film was evaluated by its piezoresistive behavior, which correlates the change of electrical resistance with the applied strain through a tensile test. The effects of weight ratio between MWCNT and GNP and the total amount of hybrid nanomaterials on the strain sensitivity of the nanomaterial thin film were investigated. Experimental results showed that both the electrical conductivity and strain sensitivity of the hybrid nanomaterial film increased with the increase of the GNP contents. The gauge factor used to characterize the strain sensitivity of the nanomaterial film increased from 7.75 to 24 as the GNP weight ratio increased from 0 wt.% to 100 wt.%. In this work, a simple, low cost, and easy to implement deposition process was proposed to prepare a highly flexible nanomaterial film. A high strain sensitivity with gauge factor of 24 was achieved for the nanomaterial thin film.
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Jayasakthi, R., and G. Sivakumar. "Precipitation Method and Sonication Technique for Advanced Superiority of Nanospherical BiFe2O3 and its Multi-Applications." Asian Journal of Chemistry 35, no. 2 (2023): 345–51. http://dx.doi.org/10.14233/ajchem.2023.23484.

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In this work, a modified BiFe2O3 nanomaterial was prepared using a combination of co-precipitation and sonication methods. High-resolution scanning electron microscopy (HRSEM) results revealed a nanospherical shaped structure. The energy dispersive X-ray analysis (EDX) analysis confirmed that Bi, Fe and O are present in the BiFe2O3 nanomaterial. The photoluminescence analysis also confirmed the presence of bismuth in the BiFe2O3 nanomaterial. The recombination of electron-hole pairs in Fe2O3 transpires when the electrons and holes were transferred between Bi and Fe2O3 nanomaterials. The UV-Vis DRS analysis revealed that the nanomaterial decrease band gap energy and increased the photoenergy. The modified BiFe2O3 was successfully used as multi-functional materials, such as a photocatalytic material for the photodegradation of Rhodamine B and Rhodamine 6G dyes, antibacterial agent and as improved dye sensitized solar cells (DSSCS).
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Bardakci, Fevzi, Kevser Kusat, Mohd Adnan, Riadh Badraoui, Mohammad Jahoor Alam, Mousa M. Alreshidi, Arif Jamal Siddiqui, Manojkumar Sachidanandan, and Sinan Akgöl. "Novel Polymeric Nanomaterial Based on Poly(Hydroxyethyl Methacrylate-Methacryloylamidophenylalanine) for Hypertension Treatment: Properties and Drug Release Characteristics." Polymers 14, no. 22 (November 21, 2022): 5038. http://dx.doi.org/10.3390/polym14225038.

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In this study, a novel polymeric nanomaterial was synthesized and characterized, and it its potential usability in hypertension treatment was demonstrated. For these purposes, a poly(hydroxyethyl methacrylate-methacryloylamidophenylalanine)-based polymeric nanomaterial (p(HEMPA)) was synthesized using a mini-emulsion polymerization technique. The nanomaterials were characterized using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and zeta size analysis. The synthesized p(HEMPA) nanomaterial had a diameter of about 113 nm. Amlodipine-binding studies were optimized by changing the reaction conditions. Under optimum conditions, amlodipine’s maximum adsorption value (Qmax) of the p(HEMPA) nanopolymer was found to be 145.8 mg/g. In vitro controlled drug release rates of amlodipine, bound to the nanopolymer at the optimum conditions, were studied with the dialysis method in a simulated gastrointestinal system with pH values of 1.2, 6.8 and 7.4. It was found that 99.5% of amlodipine loaded on the nanomaterial was released at pH 7.4 and 72 h. Even after 72 h, no difference was observed in the release of AML. It can be said that the synthesized nanomaterial is suitable for oral amlodipine release. In conclusion, the synthesized nanomaterial was studied for the first time in the literature as a drug delivery system for use in the treatment of hypertension. In addition, AML–p(HEMPA) nanomaterials may enable less frequent drug uptake, have higher bioavailability, and allow for prolonged release with minimal side effects.
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Dissertations / Theses on the topic "Nanomaterial Chemistry"

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Sethi, Manish. "INTERACTIONS AND EFFECTS OF BIOMOLECULES ON AU NANOMATERIAL SURFACES." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_diss/822.

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Au nanoparticles are increasingly being used in biological applications. Their use is of interest based upon their unique properties that are achieved at the nanoscale, which includes strong optical absorbances that are size and aggregation state dependent. Such absorbances can be used in sensitive chemical/biological detection schemes where bioligands can be directly attached to the nanoparticle surface using facile methods. Unfortunately, a number of complications persist that prevent their wide-scale use. These limitations include minimal nanoparticle stability in biological-based media of high ionic strength, unknown surface functionalization effects using simple biomolecules, and determining the binding motifs of the ligands to the nanoparticle surface. This situation can be further complicated when employing shaped materials where crystallographic facets can alter the binding potential of the bioligands. We have attempted to address these issues using traditional nanoparticle functionalization techniques that are able to be characterized using readily available analytical methods. By exploiting the optical properties of Au nanomaterials, we have been able to determine the solution stability of Au nanorods in a buffered medium and site-specifically functionalized Au nanomaterials of two different shapes: spheres and rods. Such abilities are hypothesized to be intrinsic to the bioligand once bound to the surface of the materials. Our studies have focused mainly on simple amino acids that have demonstrated unique assembly abilities for the materials in solution, resulting in the formation of specific patterns. The applications for such capabilities can range from the use of the materials as sensitive biochemical sensors to their directed assembly for use as device components.
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della, Sala Flavio. "Hydrazone exchange in nanoparticle monolayers : a dynamic covalent approach for controlling nanomaterial properties." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/6766.

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This Thesis reports the synthesis, purification and characterisation of gold nanoparticles (NPs) functionalised with a monolayer of hydrazone ligands in order to perform post-synthetic manipulations of the NP-bound monolayer exploiting dynamic covalent chemistry. NP post-synthetic manipulation based on reversible non-covalent interactions between oligonucleotides represents a promising approach to achieve functionalisation and self-assembly for potential applications in biology and medicine. However, the stability of these nanosystems is ensured only in a narrow window of environmental conditions. On the other hand, irreversible covalent strategies potentially allow the full range of synthetic chemistry to be exploited but they provide poor control over the manipulation of the NP-bound monolayer and can only produce kinetically controlled amorphous NP aggregates. Dynamic covalent chemistry represents an interesting and an attractive alternative approach because it would combine the reversibility of non-covalent interactions with the stability of covalent bonds. By this way, ligand-functionalised NPs could be manipulated in order to introduce a large variety of molecular functionalities on the NP surface not only to subtly tune the NP physicochemical properties but also to access an entire range of novel nanomaterials.
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Owens, Cherie. "INVESTIGATIONS INTO POLYMER AND CARBON NANOMATERIAL SEPARATIONS." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1345485388.

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Hurst, Angela L. "The Design and Synthesis of Corannulene-Based Nanomaterial." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1271706999.

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Shumlas, Samantha Lyn. "Characterization of Carbon Nanomaterial Formation and Manganese Oxide Reactivity." Diss., Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/419544.

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Chemistry
Ph.D.
Characterization of a material’s surface, structural and physical properties is essential to understand its chemical reactivity. Control over these properties helps tailor a material to a particular application of interest. The research presented in this dissertation focuses on characterizing a synthetic method for carbon nanomaterials and the determination of structural properties of manganese oxides that contribute to its reactivity for environmental chemistry. In particular, one research effort was focused on the tuning of synthetic parameters towards the formation of carbon nanomaterials from gaseous methane and gaseous mixtures containing various mixtures of methane, argon and hydrogen. In a second research effort, photochemical and water oxidation chemistry were performed on the manganese oxide, birnessite, to aid in the remediation of arsenic from the environment and provide more options for alternative energy catalysts, respectively. With regard to the synthesis of novel carbonaceous materials, the irradiation of gaseous methane with ultrashort pulse laser irradiation showed the production of carbon nanospheres. Products were characterized with transmission electron microscopy (TEM), scanning electron microscopy (SEM), ultraviolet (UV) Raman spectroscopy, and infrared spectroscopy. Increasing the pressure of methane from 6.7 to 133.3 kPa showed an increase in the median diameter of the spheres from ~500 nm to 85 nm. Particles with non-spherical morphologies were observed by TEM at pressures of 101.3 kPa and higher. UV Raman spectroscopy revealed that the nanospheres were composed of sp2 and sp3 hybridized carbon atoms, based on the presence of the carbon D and T peaks. A 30% hydrogen content was determined from the red shift of the G peak and the presence of a high fluorescence background. Upon extending this work to mixtures of methane, argon, and hydrogen it was found that carbon nanomaterials with varying composition and morphology could be obtained. Upon mixing methane with other gases, the yield significantly dropped, causing flow conditions to be investigated as a method to increase product yield. Raman spectra of the product resulting from the irradiation of methane and argon indicated that increasing the argon content above 97% produced nanomaterial composed of hydrogenated amorphous carbon. In a second research effort, the effect of simulated solar radiation on the oxidation of arsenite [As(III)] to arsenate [As(V)] on the layered manganese oxide, birnessite, was investigated. Experiments were conducted where birnessite suspensions, under both anoxic and oxic conditions, were irradiated with simulated solar radiation in the presence of As(III) at pH 5, 7, and 9. The oxidation of As(III) in the presence of birnessite under simulated solar light irradiation occurred at a rate that was faster than in the absence of light at pH 5. At pH 7 and 9, As(V) production was significantly less than at pH 5 and the amount of As(V) production for a given reaction time was the same under dark and light conditions. The first order rate constant (kobs) for As(III) oxidation in the presence of light and in the dark at pH 5 were determined to be 0.07 and 0.04 h−1 , respectively. The As(V) product was released into solution along with Mn(II), with the latter product resulting from the reduction of Mn(IV) and/or Mn(III) during the As(III) oxidation process. Experimental results also showed no evidence that reactive oxygen species played a role in the As(III) oxidation process. Further research on the triclinic form of birnessite focused on its activation for water oxidation. Experiments were performed by converting triclinic birnessite to hexagonal birnessite in pH 3, 5, and 7 DI water with stirring for 18 hrs. Once the conversion was complete, the solid samples were characterized with TEM and x-ray photoelectron spectroscopy (XPS). The resulting hexagonal birnessites from experiment at pH 3, 5, and 7 possessed the same particle morphology and average surface oxidation states within 1% of each other. This observation supported the claim that upon transformation, Mn(III) within the sheet of triclinic birnessite migrated into the interlayer region of the resulting hexagonal birnessite. Furthermore, the migration of Mn(III) into the interlayer and formation of the hexagonal birnessite led to an increased chemical reactivity for water oxidation compared to the bulk. Electrochemical studies showed that the overpotential for water oxidation associated with the pH 3, 5, and 7 samples was 490, 510, and 570 mV, respectively. In another set of experiments, ceric ammonium nitrate was used to test birnessite for water oxidation reactivity. These experiments showed that the pH 3 birnessite produced the most O2 of all the samples, 8.5 mmol O2/mol Mn, which was ~6 times more than hexagonal birnessite which did not undergo post-synthesis exposure to low pH conditions.
Temple University--Theses
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Lehman, Sean E. "Spectroscopic studies of silica nanoparticles: magnetic resonance and nanomaterial-biological interactions." Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/2109.

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Primarily concerned with manipulation and study of matter at the nanoscale, the concept of nanoscience encompasses ideas such as nanomaterial synthesis, characterization, and applications to modern scientific and societal problems. These problems encompass a broad range of issues such as energy storage and conversion, medical diagnostics and treatment, environmental remediation and detection, carbon economy and as well as many others. Silica nanoparticles of porous morphology have broad application to many of these issues. In particular, the utility of silica nanoparticles is facilitated by their large intrinsic surface area, tunable surface chemistry, and synthetic variability in both their size and morphology. This facilitates applications to these problems. However, extensive characterization and deeper understanding is needed before full implementation in key applications can be realized. The work described in this thesis aims to explore fundamental and applied characterization of silica nanoparticles that might be used in biomedical and environmental applications. Fundamental studies of functionalized nanomaterials using NMR spectroscopy reveal complex, dynamic phenomena related to-and ultimately deriving from-the intrinsic and/or modified surface chemistry. Applied studies of nanomaterial-biological interfaces demonstrate free radical chemistry as dominating the toxic response of the materials when exposed to biological systems of interest. Characterization of protein adsorbed on the interface reinforces the ubiquitous nature of protein adsorption on nanomaterial surface in biological and environmental media. Overall, this work illuminates and highlights complex changes that take place in aqueous solution for silica nanoparticles of varied morphology and surface chemistry.
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Wang, Junwei. "Chemical doping of metal oxide nanomaterials and characterization of their physical-chemical properties." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1333829935.

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Chapman, James Vincent III. "Design and Synthesis of Organic Small Molecules for Industrial and Biomedical Technology Nanomaterial Augmentation." Thesis, University of Colorado at Denver, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10272651.

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Organic chemistry used to augment nanoparticles and nanotubes, as well as more traditional materials, is a subject of great interest across multiple fields of applied chemistry. Herein we present an example of both nanoparticle and nanotube augmentation with organic small molecules to achieve an enhanced or otherwise infeasible application. The first chapter discusses the modification of two different types of Microbial Fuel Cell (MFC) anode brush bristle fibers with positive surface charge increasing moieties to increase quantitative bacterial adhesion to these bristle fibers, and therefore overall MFC electrogenicity. Type-1 brush bristles, comprised of polyacrylonitrile, were modified via the electrostatic attachment of 1-pyrenemethylamine hydrochloride. Type-2 brush bristles, comprised of nylon, were modified via the covalent attachment of ethylenediamine. Both modified brush types were immersed in an E. Coli broth for 1 hour, stained with SYTO® 9 Green Fluorescent Nucleic Acid Stain from ThermoFisher Scientific (SYTO-9), and examined under a Biotek Citation 3 fluorescent microscope to visually assess differences in bacterial adherence. In both trials, a clear increase in amount of bacterial adhesion to the modified bristles was observed over that of the control. The second chapter demonstrates a potential biomedical technology application wherein a polymerizable carbocyanine-type dye was synthesized and bound to a chitosan backbone to produce a water-soluble photothermal nanoparticle. Laser stimulation of both free and NP-conjugated aqueous solutions of the carbocyanine dye with Near-Infrared (NIR) Spectrum Radiation showed an increase in temperature directly correlated with the concentration of the dye which was more pronounced in the free particle solutions.

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Cheng, Xiang. "Gold-Nanoparticle Cored Carbazole Functionalized Star-like Copolymer Hybrid Nanomaterial with Tunable Properties." Case Western Reserve University School of Graduate Studies / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=case1522803372777943.

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Guntupalli, Bhargav. "Nanomaterial-Based Electrochemical and Colorimetric Sensors for On-Site Detection of Small-Molecule Targets." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3488.

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An ideal biosensor is a compact and in-expensive device that is able to readily and rapidly detects different types of analytes with high sensitivity and specificity. The affectability of a biosensing methodology is subject to the limit of nanomaterials to transduce the target binding process to an improved perceptible signal, while the selectivity is accomplished by considering the binding and specificity of certain moieties to their targets. Keeping these requirements in mind we have chosen nanomaterials such as carbon nanotubes (CNTs) and gold nanoparticles (AuNPs) that has catalytic properties combined with their size, shape and configuration dependent chemical and physical properties as essential precursors and signaling components for creation of biosensors with tremendous sensitivity. The primary goal of the research work described in this dissertation is to develop and evaluate novel methods to detect various analytes using nanomaterials, at the same time making an affordable architecture for point-of-care (POC) applications. We report here in chapter 3 a simple and new strategy for preparing disposable, paper-based, porous AuNP/M-SWCNT hybrid thin gold films with high conductivity, rapid electron transfer rates, and excellent electrocatalytic properties to achieve multiple analyte electrochemical detection with a resolution that greatly exceeds that of purchased flat gold slides. We further explored the use of nanomaterial-based paper films in more complex matrices to detect analytes such as NADH, which can act as a biomarker for certain cellular redox imbalances and disease conditions. Carbon nanotubes with their large activated surfaces and edge-plane sites (defects) that are ideal for performing NADH oxidation at low potentials without any help of redox mediators minimizing surface fouling in complex matrices is described in chapter 4. With an instrument-free approach in mind we further focused on a colorimetric platform using split cocaine aptamers and gold nanoparticles (AuNPs) to detect cocaine for on-site applications as described in chapter 5. In chapter 5, the split aptamer sequences were evaluated mainly on three basic criteria, the hybridization efficiency, specificity towards the analyte (cocaine), and the reaction time to observe a distinguishable color change from red to blue. The assay is an enzyme-assisted target recycling (EATR) strategy following the principle that nuclease enzyme recognizes probe–target complexes, cleaving only the probe strand releasing the target for recycling. We have also studied the effect of the number of binding domains with variable chain lengths on either side of the apurinic (AP) site. On the basis of our results, we finally shortlisted the sequence combination with maximum signal enhancement fold which is instrumental in development of colorimetric platform with faster, and specific reaction to observe a distinctive color change in the presence of cocaine.
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Books on the topic "Nanomaterial Chemistry"

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C, Arsenault Andre, and Royal Society of Chemistry (Great Britain), eds. Nanochemistry: A chemistry approach to nanomaterials. Cambridge, UK: Royal Society of Chemistry, 2005.

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Tahir, Muhammad Bilal, and Khalid Nadeem Riaz. Nanomaterials and Photocatalysis in Chemistry. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0646-5.

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Onishi, Taku, ed. Theoretical Chemistry for Advanced Nanomaterials. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0006-0.

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C, Bréchignac, Houdy P, Lahmani M, and European Materials Research Society, eds. Nanomaterials and nanochemistry. Berlin: Springer, 2007.

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Lukehart, Charles M., and Robert A. Scott. Nanomaterials: Inorganic and bioinorganic perspectives. Chichester, West Sussex, U.K: Wiley, 2008.

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Garcia, Carlos D., Agustín G. Crevillén, and Alberto Escarpa, eds. Carbon-based Nanomaterials in Analytical Chemistry. Cambridge: Royal Society of Chemistry, 2018. http://dx.doi.org/10.1039/9781788012751.

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Steed, Jonathan W. Supramolecular chemistry: From molecules to nanomaterials. Hoboken, NJ: Wiley, 2012.

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Carpenter, Michael A. Metal Oxide Nanomaterials for Chemical Sensors. New York, NY: Springer New York, 2013.

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Rao, C. N. R. 1934-, Müller Achim 1938-, and Cheetham A. K, eds. Nanomaterials chemistry: Recent developments and new directions. Weinheim: Wiley-VCH, 2007.

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1935-, Nguyên Trong Anh, ed. Molecular chemistry of sol-gel derived nanomaterials. Chichester: Wiley, 2009.

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Book chapters on the topic "Nanomaterial Chemistry"

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Belsey, N. A., A. G. Shard, and C. Minelli. "Surface Chemistry." In Nanomaterial Characterization, 153–78. Hoboken, NJ, USA: John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118753460.ch8.

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Saravanan, S., E. Kayalvizhi Nangai, C. M. Naga Sudha, S. Sankar, Sejon Lee, M. Velayutham Pillai, and V. Dhinakaran. "Chemistry Revolving around Nanomaterial-Based Technology." In Nanomaterials in Bionanotechnology, 89–108. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003139744-4.

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Batra, Sonali, Samridhi Thakral, Amit Singh, and Sumit Sharma. "Dendrimer–Nanomaterial Conjugation: Concept, Chemistry and Applications." In Dendrimers in Nanomedicine, 217–32. First edition. | Boca Raton : CRC Press, 2021.: CRC Press, 2021. http://dx.doi.org/10.1201/9781003029915-12.

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Pramanik, Debabrata, Subbarao Kanchi, K. G. Ayappa, and Prabal K. Maiti. "Dendrimers: A Novel Nanomaterial." In Computational Materials, Chemistry, and Biochemistry: From Bold Initiatives to the Last Mile, 411–49. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-18778-1_19.

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Gabis, Igor E., Evgeny A. Evard, Sergey K. Gordeev, and Thommy Ekström. "Carbon Nanomaterial for Hydrogen Uptake and Storage." In Hydrogen Materials Science and Chemistry of Metal Hydrides, 383–90. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0558-6_37.

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Senami, Masato, and Akinori Fukushima. "Local Dielectric Constant Density Analysis of High-k Dielectric Nanomaterial." In Theoretical Chemistry for Advanced Nanomaterials, 53–87. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0006-0_3.

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Oaew, Sukunya, Benchaporn Lertanantawong, Patsamon Rijiravanich, Mithran Somasundrum, and Werasak Surareungchai. "CHAPTER 9. Nanomaterial-Based Electrochemical Sensors for Highly Sensitive Detection of Foodborne Pathogens." In Food Chemistry, Function and Analysis, 203–25. Cambridge: Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782623908-00203.

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Mansfield, Elisabeth, Richard Hartshorn, and Andrew Atkinson. "Nanomaterial Recommendations from the International Union of Pure and Applied Chemistry." In Metrology and Standardization of Nanotechnology, 299–306. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527800308.ch18.

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Xu, Ke, Mohsen Purahmad, Kimber Brenneman, Xenia Meshik, Sidra Farid, Shripriya Poduri, Preeti Pratap, et al. "Design and Applications of Nanomaterial-Based and Biomolecule-Based Nanodevices and Nanosensors." In Challenges and Advances in Computational Chemistry and Physics, 61–97. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8848-9_3.

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Yatsuhashi, Tomoyuki, and Takuya Okamoto. "Bottom-up Synthetic Approaches to Carbon Nanomaterial Production in Liquid Phase by Femtosecond Laser Pulses." In High-Energy Chemistry and Processing in Liquids, 331–56. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7798-4_17.

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Conference papers on the topic "Nanomaterial Chemistry"

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Manu, Mehul, and Vikash Dubey. "Vibrational frequency of the silver nanomaterial." In NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0061268.

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Ulfa, Maria, and Windi Apriliani. "Physico-chemical characteristics of gelatin as green template for nanomaterial production." In THE 14TH JOINT CONFERENCE ON CHEMISTRY 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0006142.

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PICCOLI, María Belén, Raquel Viviana VICO, and Nancy Fabiana FERREYRA. "ELECTROCHEMICAL CHARACTERIZATION OF GLASSY CARBON ELECTRODES MODIFIED WITH SWCNT FUNCTIONALIZED WITH DIAZONIUM SALT." In SOUTHERN BRAZILIAN JOURNAL OF CHEMISTRY 2021 INTERNATIONAL VIRTUAL CONFERENCE. DR. D. SCIENTIFIC CONSULTING, 2022. http://dx.doi.org/10.48141/sbjchem.21scon.08_abstract_ferreyra.pdf.

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Although carbon nanotubes have unique properties, one of the biggest drawbacks in practice is the difficulty in forming dispersions of individual nanotubes in a given solvent. Covalent functionalization of carbon nanotubes allows the incorporation of chemical groups at the nanotube surface that, according to its polarity, facilitates the dispersibility in different solvents. In this work, singled-wall carbon nanotubes were functionalized by spontaneous grafting with a diazonium salt obtained from the 4-aminobenzoic acid to obtain SWCNT-pB. The nanomaterial obtained was characterized by several methodologies that the covalent incorporation of the functional groups. SWCNT-pB were dispersed in ethanol/water 50% V/V under ultrasonic treatment, and the exfoliation degree was evaluated by UV-Vis spectrophotometry. under optimal conditions, SWCNT-pB dispersion was stable for more than 45 days. Glassy carbon electrodes (GCE) modified with the nanomaterial show significant increases in their capacitive current and a faradaic process due to redox species confined on the surface of SWCNT-pB whose anodic peak currents depend linearly with the scan rate. The modified electrodes also show a catalytic response towards ascorbic acid (AA) and notorious increments in the oxidation and reduction currents of H2O2. The stability of the dispersions and the excellent electrochemical responses obtained make this nanomaterial very interesting for its application in electrochemical detection.
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KAYNAN, OZGE, LISA PEREZ, and AMIR ASADI. "INTERFACIAL PROPERTIES OF HYBRID CELLULOSE NANOCRYSTAL/CARBONACEOUS NANOMATERIAL COMPOSITES." In Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35922.

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Cellulose nanocrystal (CNCs) assisted carbon nanotubes (CNTs) and graphene nanoplatelets (GnP) were used to modify the interfacial region of carbon fiber (CF) and polymer matrix to strengthen the properties of carbon fiber-reinforced polymer (CFRP). Before transferring CNC-CNTs and CNC-GnPs on the CF surface by an immersion coating method, the nanomaterials were dispersed in DI water homogeneously by using probe sonication technique without additives. The results showed that the addition of CNC-CNT and CNC-GnP adjusted the interfacial chemistry of CFRP with the formation of polar groups. Furthermore, according to the single fiber fragmentation test (SFFT), the interfacial shear strength (IFSS) of CNC-GnP 6:1 and CNC-CNT 10:1 added CFRP increased to 55 MPa and 64 MPa due to modified interfacial chemistry by the incorporation of the nanomaterials. This processing technique also resulted in improvement in interlaminar shear strength (ILSS) in CFRPs from 35 MPa (neat composite) to 45 (CNC-GnP 6:1) MPa and 52 MPa (CNC-CNT 10:1).
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Cao, Dongqing, Ming Han, Mohanad Fahmi, and Abdulkareem Alsofi. "A Novel AMD Nanosheet and Surfactant Synergy System to Increase Oil Production under Harsh Reservoir Conditions." In SPE International Conference on Oilfield Chemistry. SPE, 2023. http://dx.doi.org/10.2118/213789-ms.

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Abstract Amphiphilic molybdenum disulfide (AMD) nanosheet is a novel flake type nanomaterial for increasing oil production. It shows unique behaviors on oil/water interface as the flake nature compared with particulate nanomaterials. However, nanosheet solution in high salinity water at elevated temperature had poor compatibility, which limited the applications at harsh reservoir conditions. An improved nanosheet system synergetic with a cationic surfactant was developed and showed good compatibility improvement at 95°C and salinity as high as 57,670 mg/L. The interfacial tension (IFT) of the developed nanosheet and surfactant system with crude oil was not ultra-low, but it showed excellent interfacial activities in emulsification tests and phase behavior tests even at low concentrations. Nanosheet produced much stable emulsion than surfactant. Mixing nanosheet and surfactant increased emulsion stability. The hydrophilic and lipophilic balance of the nanosheet and surfactant system could be controlled by surfactant concentration. Winsor III type microemulsion was formed at nanosheet/surfactant concentration ratio of 1:2 to 1:8. For the performance in porous media, the surfactant component reduced the retention of nanosheet and decreased the plugging to the cores. Corelfooding tests in limestone and carbonate cores demonstrated the good incremental oil production performance of the nanosheet and surfactant system at 95 °C. Both oil bank at early stage of nanosheet injection and a long-lasted emulsified oil contributed to the oil production. The oil production performance of nanosheet/surfactant system was affected by both concentration and concentration ratio of the two components. A 50 mg/L nanosheet and 2000 mg/L surfactant formulation showed highest oil production after waterflooding compared with other combinations.
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Jena, Bimal K., and Biswajit Das. "Can nanomaterial development & its commercialization be better organized through project management methodologies?" In 2ND INTERNATIONAL CONFERENCE ON EMERGING SMART MATERIALS IN APPLIED CHEMISTRY (ESMAC-2021): ESMAC-2021. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0126648.

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Osella, Silvio. "Hybrid nanomaterials for artificial photosynthesis." In Physical Chemistry of Semiconductor Materials and Interfaces IX, edited by Daniel Congreve, Christian Nielsen, and Andrew J. Musser. SPIE, 2020. http://dx.doi.org/10.1117/12.2569969.

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Wilson, Mark W. B. "Hybrid nanomaterials for triplet fusion upconversion." In Physical Chemistry of Semiconductor Materials and Interfaces IX, edited by Daniel Congreve, Christian Nielsen, and Andrew J. Musser. SPIE, 2020. http://dx.doi.org/10.1117/12.2569019.

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Nagesha, Dattatri, Mansoor M. Amiji, and Srinivas Sridhar. "Surface-Engineered Nanomaterials for Nanomedicine." In ASME 2006 International Manufacturing Science and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/msec2006-21045.

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An important feature of nanoparticles is the increased ratio of surface area to volume resulting in large percentage of the atoms on the surface, making them very reactive and offers opportunities to manipulate the properties through these surface atoms. For the most efficient use of nanoparticles in various applications, including biology and medicine, it is important to be able to manipulate the surface chemistry. This paper describes the synthesis and characterization of nanoparticles and the various surface engineering techniques that are utilized for optimizing their applications in nanomedicine.
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Ozden, Sehmus, Leiming Li, Ghaithan A. Al-Muntasheri, and Feng Liang. "Nanomaterials-Enhanced High-Temperature Viscoelastic Surfactant VES Well Treatment Fluids." In SPE International Conference on Oilfield Chemistry. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/184551-ms.

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