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Dissertations / Theses on the topic 'Metal-containing nanoparticles'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Ferrari, Federico. "Synthesis of Metal-Binding Ligand-Containing Copolymers, Nanoparticles and Blends." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19186/.

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In this thesis we developed three copper-containing systems. Copper shows intriguing abilities in photocatalysis, however, one of the major limitations of many copper complexes is that photochemical properties might be quenched in solution caused by π-interactions between solvent and solute, due to Jahn-Teller distortion in the excited state. As such, we herein seek to synthesise copper heteroleptic complexes that will subsequently be nanoprecipitated with a polymer. This will allow the polymer to encase the complex and prevent the solvent-induced quenching. Subsequently, the preparation of

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2

Yu, Zhao. "Syntheses and Sensing Applications of Modified Noble Metal-containing Nanoparticles." University of Cincinnati / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1623251284619434.

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3

Donoeva, Baira. "Study of catalytic and biological activity of gold-containing metal nanoparticles." Thesis, University of Canterbury. Chemistry, 2014. http://hdl.handle.net/10092/9761.

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Small particles of gold (< 100 nm) have attracted great interest among researchers due to the unique combination of their physicochemical properties. Among various research areas catalysis and bio-nanotechnology represent the largest areas of growth for gold nanoparticle research. Catalysts play a crucial role in the life of the modern society. More than 85 % of all chemical processes are catalytic, and this number is increasing every year. There is a constant demand to develop more efficient and durable catalysts in order to address increasing energy demands and environmental requirements. Th

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4

Buso, Dario. "Sol-Gel Films containing Metal and Semiconductor Nanoparticles for Gas Sensing." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3426274.

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Nanotechnology is an exciting modern research field encompassing the traditionally specialist disciplines of chemistry, physics and engineering. Optics and catalysis are two areas of application that will continue to benefit from the recent improvements in control of materials morphology at the nano-scale. The work presented in this thesis is focussed on the application of the Sol-Gel technique in the realization of thin inorganic layers containing metal and semiconductor nanoparticles that are capable of reversibly of detecting gas phase analytes. Three synthetic approaches were adopted, eac

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5

Gankanda, Aruni. "Heterogeneous and multiphase chemistry of trace atmospheric gases with mineral dust and other metal containing particles." Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/3090.

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Particulate matter in the atmosphere emitted from various natural and anthropogenic sources is important due to their effects on the chemical balance of the atmosphere, the Earth's climate, human health and biogeochemical cycles. Although there have been many studies performed to understand the above effects, there still remains substantial uncertainty associated with processes involved and thus it is difficult for current atmospheric chemistry and climate models to reconcile model results with field measurements. Therefore, it is important to have better agreement between models and observati

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6

André, Rémi F. "Tailored routes to metal-containing nanoparticles for hydrogenation reactions in solution : surface design for H2 activation." Electronic Thesis or Diss., Sorbonne université, 2021. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2021SORUS190.pdf.

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Dans ces travaux de thèse, nous avons exploré différentes classes de nanoparticules métalliques telles que des carbures, des oxydes et des phosphures, pour des applications en catalyse colloïdale. Afin de construire un système catalytique de type « Paire de Lewis Frustrée », la synergie avec des bases de Lewis moléculaires a été étudiée. En introduction, les enjeux et les défis de l’activation de H2 en solvant sont présentés, avec un focus sur les catalyseurs non purement métalliques pour l’hydrogénation de composés modèles. Dans la première partie, des carbures et des hydrures de métaux de dé

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7

Lee, W. W. Y. "Polymer films containing SERS active metal nanoparticles for therapeutic drug monitoring and forensic analysis." Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678709.

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The work in this thesis was centred on developing an alternative method for therapeutic drug monitoring based on using microneedle arrays to sample interstitial fluid combined with a SERS active layer for analysis of the sampled fluid. Simple aqueous colloids are too unstable to use in this application so here the colloid was aggregated and then preserved within hydroxyethylcellulose (HEC) films. The films were then tested alongside microneedle arrays, which were prepared and developed by Salvador and Donnelly in the School of Pharmacy, Queen's University Belfast. The principle was that the mi

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8

Erhard, Felix Maria Maximilian. "Synthesis and catalytic applications of ruthenium- and iron-based nanoparticles from the pyrolysis of metal-containing homopolymers and block copolymers." Thesis, University of Bristol, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.658315.

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This Thesis is concerned with the synthesis of new Fe- and Rucontaining homopolymers and block copolymers and their applications as precursors for the fabrication of catalytically active nanoparticles upon pyrolysis (NPs). The strained sila[l]ferrocenophane (T]-CSH4) Fe(T]-CsH4)SiMeRc has been synthesised. Two different routes for its synthesis Were employed and compared. The compound was polymerised via thermal ringopening polymerisation (ROP), which afforded insoluble polymeric material. Photo controlled ROP. was used to afford narrowly dispersed, high molecular . weight (Mn between 10,000 a

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9

Mirza, Nasiri Nooshin Mirza. "Novel Metal-Containing Nanoparticle Composites for Cancer Therapy and Imaging." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1707253/.

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With all the improvements in cancer treatments, multidrug resistance is still the major challenge in treating cancer. Cells can develop multidrug resistance (MDR) during or after treatment, which will render the cancer cells resistant not only to the chemotherapy drug being used but also to many other structurally- and mechanically-different chemotherapeutics. In the first project, the main focus was on development of drug resistant cell lines by selection with taxol. Gene changes in the L1T2 cell line after treatment with Taxol was studied. Treatment of L1T2 cells with taxol leads to changes

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10

Lê, Thi Kim-Chi. "Oxygen Reduction Reaction with Molybdenum-Containing Oxysulfide Nanoparticles : from Colloidal Synthesis to Surface Activity." Electronic Thesis or Diss., Sorbonne université, 2020. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2020SORUS209.pdf.

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Aujourd'hui, dans les véhicules individuels, les piles à combustible concurrencent les batteries Li-ion par de nombreux avantages. Donc, remplacer les métaux nobles par des métaux plus abondants dans des catalyseurs est essentiel pour les rendre abordables. Le molybdène peut être un bon candidat puisque certains composés (ex. MoS2, MoO2) ont une activité pour la réduction de l’oxygène (ORR). Les oxysulfures de molybdène, relativement méconnus, pourraient être utilisés comme électrodes pour les batteries Li-ion ou les catalyseurs grâce à leur structure poreuse sous formes amorphes (couches minc

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11

Yang, Yu-Wei, and 楊育瑋. "Preparation of Conductive Textiles Containing Polypyrrole and Metal Nanoparticles by Diffusion-Oxidation Method and Property Characterization." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/d4pus7.

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碩士<br>國立臺北科技大學<br>有機高分子研究所<br>96<br>Fabrics including cotton, nylon 6 and poly(ethylene terephthalate) were pre-adsorbed metal nanoparticles(Au、Ag and Cu) and diffused with pyrrole. These fabrics were chemically oxidized by FeCl3 in water. Polypyrrole has been found incorporating into interior of fibers and spacing between fibers. The resistivities of polypyrrole and nanoparticles contained fabrics were lower than those of fabrics containing polypyrrole(30 to 100 Ω/square). The existence of metal nanoparticles in fabric was identified by atomic absorption spectroscopy and electron dispersive s

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12

Chiou, Ya-Huei, and 邱雅惠. "Preparation of Conductive Textiles Containing Polypyrrole and Metal Nanoparticles by Chemical Oxidation Method and Property Characterization." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/2s3926.

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碩士<br>國立臺北科技大學<br>有機高分子研究所<br>96<br>Pyrrole with various amount of metal nanoparticles including Au、Ag and Cu was chemically oxidized by iron(III) chloride hexahydrate in water and deposited as a polymer film on the surface of fabrics(cotton and nylon 6 and PET).The surface resistivities of above conductive textiles were measured by four-point probe method. The existence of metal on the fabric was identified using atomic absorption spectroscopy and energy dispersive spectrometry. It indicated that the surface resistivities of metal nanoparticles and polypyrrole coated cotton fabric was lower t

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13

Huang, Wei-Ting, and 黃唯庭. "Use Surface-Enhanced Raman Scattering to detect hazardous metal Based on Thiol bond-containing compound - Modified Gold Nanoparticles." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/bar278.

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碩士<br>高雄醫學大學<br>醫藥暨應用化學系碩士班<br>104<br>Nowadays our Industrial development are more developed that produce heavy metal ions. Heavy metal ions contain toxins and accumulated in the body, the Earth caused pollution of the environment more besides destroying the environment even endanger health. Therefore we are committed to detect heavy metal ions’ existence in our daily life, to prevented contamination. Surface-enhanced Raman scattering (SERS) has proven to be promising for the detection of trace analytes. And the noble metal nanoparticles have broad range of applicability. Noble metal nanoparti

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14

Baddour, Frederick G. "Platinum-containing heterobimetallic lantern complexes prepared with thiocarboxylates: synthesis, structural, and magnetic characterization and synthesis characterization of magnetic metal oxide nanoparticles." Thesis, 2013. https://hdl.handle.net/2144/17746.

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Three Pt-based heterobimetallic lantern complexes of the form, [PtM(SAc)4(OH2)], M = Co (1), Ni (2), Zn (3), were prepared with thioacetate (SAc^-) bridging ligands that exhibit short Pt^...Pt interactions in the solid state. Three compounds with the form [PtM(SAc)4(3-NO2py)], M = Co (4), Ni (5), Zn (6) are formed upon reaction with 3-nitropyridine (3-NO2py) or alternatively the hydrated species 1--3 could be dehydrated to form the species [PtM(SAc)4], M = Co (7), Ni (8), Zn (9). Solid-state magnetism measurements indicate antiferromagnetic coupling of the paramagnetic 3d metal centers that ca

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15

Kuo, Yu-Pi, and 郭毓弼. "Preparation of trace metal nanoparticle-containing AZO Transparent Conducting Films by sol-gel method." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/83281585850929699483.

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碩士<br>國立中正大學<br>化學工程所<br>98<br>In this thesis, the Ag or Pt-containing aluminum doped ZnO (AZO) thin film were prepared by sol-gel method. After spin coating, drying, calcinations in air and hydrogen heat treatment, the Ag or Pt-containing transparent conducting films were obtained. The effects of trace metal doping and process parameters were studied for the formation of AZO. According to conductivity, the transparency in visible region, and the uniformity of the thin films, the Pt and Ag were selected the most suitable as additives in the AZO transparent conductive films with systematic exp

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16

Sibokoza, Simon Bonginkosi. "Synthesis and characterization of cobalt and copper sulfide nanoparticles with reproducible stoichiometry using sulfur containing single-source precursors." Thesis, 2012. http://hdl.handle.net/10352/267.

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M.Tech. (Chemistry, Faculty of Applied and Computer Science), Vaal University of Technology.<br>Complexes of alkyldithiocarbamate and thiuram have been extensively explored for various applications in the medical field. Thiuram and dithiocarbamate ligands were used to prepared complexes of cobalt and copper. The high abundance of sulfur in these ligands has resulted to be the preferred complexes for the synthesis of metal sulfide nanoparticles. All the prepared complexes were characterized using techniques such as IR and 1HNMR spectroscopy, elemental analysis, and thermogravimetric analysis. A

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17

Wang, Chun-Hsiang, and 王俊翔. "Synthesis of a New Metal-ion Responsive Azacrown Coumarin Containing Photoluminescent Polypeptide to Investigate the Metal Ions Induced Supramolecular Assembly Behaviors and the Feasibility as the Formation of Mercury Nanoparticle Template / Synthesis and Exploration of Pyridine Containing Polypeptides in the Catalytic Application." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/69q76g.

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碩士<br>國立臺灣大學<br>化學研究所<br>107<br>Forming supramolecular assemblies and controlling their behaviors via non-covalent interactions mimicking multi-functional materials have drawn much attention. Utilization of strong and directional interactions such as metal-ligand coordination can achieve spontaneous formation of selective, simple, and reversible supramolecular assemblies. However, it still remains a great challenge to monitor the underlying supramolecular assembly temporally. Herein, a new metal ion-responsive azacrown coumarin-conjugated photoluminescent polypeptide (ACCP) was designed and sy

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