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Dissertations / Theses on the topic 'Antibacterial Polymer'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 March 2023

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1

Nguyen, Thi Phuong Thu. "Polymer and surface modifications for antibacterial purposes." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS449.

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La contamination microbienne des surfaces est l’une des préoccupations majeures des secteurs d’activités comme l’industrie agro-alimentaire, la santé publique et les milieux hospitaliers. Face aux problèmes de santé publique liés à contamination bactérienne sur les surfaces, la préparation de surfaces aux propriétés antibactériennes est devenue un intérêt de recherche majeur pour de nombreux scientifiques et ce, dans de nombreux domaines de recherches. Du point de vue de la chimie, des matériaux et de la microbiologie, la fonctionnalisation des surfaces de matériaux polymères préexistants sans

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Li, Mingjun [Verfasser]. "Antibacterial Coatings Based on Bioinspired Polymer Systems / Mingjun Li." Berlin : Freie Universität Berlin, 2019. http://d-nb.info/1199583790/34.

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3

Khanlari, Samaneh. "Poly(Sodium Acrylate)-Based Antibacterial Nanocomposite Materials." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32556.

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4

Mobley, Emily B. "Antibacterial Coatings Derived from Novel Chemically Responsive Vesicles." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2200.

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In order for a drug, or any material used for the purpose of eliciting a change in an organisms’ physical or chemical state, to be effective it must reach the intended target intact and for a sustained rate over time. Drug delivery systems encapsulate a drug to protect it from degradation, prevent side reactions, increase solubility, improve accumulation rates at target sites, and release drugs at a controlled rate. Controlled and sustained release of drugs is achieved by degradation of the carrier triggered by breaking dynamic chemical bonds caused by changes in the chemical environment such

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5

Kheiri, Sina. "Antibacterial capability characterization of polymer-nanoparticle composites using high-throughput microfluidic platform." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/64223.

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Nanoparticles have been significantly employed in the number, variety, and function to create advanced materials with antibacterial capability. Despite considerable recent progress in the development of advanced material technology, the quest to fabricate optimized antibacterial materials remains a high research priority in biomedical and food packaging industries. This thesis presents a study to characterize and optimized antibacterial capability of liquid silicone rubber (LSR) and nanoparticle (NP) composites. Over the past decades, inorganic NPs, particularly metal oxide NPs, have attracted

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Kamisoglu, Kubra. "Synthesis Of Zeolite-polymer Composites For Biological Applications." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12608537/index.pdf.

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Zeolites are nanoporous crystalline aluminosilicates that are tasteless, odorless and nontoxic to humans. They can be tailored into antibacterial agents that are more cost effective than other conventional alternatives. Considering the increasing demand for enduring antibacterial agents, the potential uses of antibacterial zeolites are numerous in medical applications and for everyday household products. To produce antibacterial zeolites, the extra framework cations in the zeolite structures can be exchanged with silver ion (Ag+), the most commonly used antibacterial heavy metal ion due to its

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Hamilton, A. R. "The development and evaluation of antibacterial polymer-phyllosilicate composite systems for the treatment of infected wounds." Thesis, Liverpool John Moores University, 2017. http://researchonline.ljmu.ac.uk/7684/.

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Clays and clay minerals (phyllosilicates) have been used for millennia to treat a range of human maladies, such as infected wounds and diseases of the skin. The unique chemistry of phyllosilicates allows them to support the wound environment and encourage healing. Their physicochemical properties can also be utilised to develop modified drug-release formulations and also enables their incorporation into polymer matrices for the development of advanced wound care materials. By developing novel antibacterial phyllosilicate-polymer composite materials it should be possible to support wound healin

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Mahzamani, Faeez. "Studies of Polyacrylate Based Nanoparticle Emulsions." Scholar Commons, 2017. https://scholarcommons.usf.edu/etd/7422.

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Self-stabilizing polyacrylate nanoparticle emulsions were previously investigated in the Turos laboratory, and provided a new model for delivering antibiotics via encapsulation or covalent binding of the desired bioactive compound within the polymer nanoparticles. The method used the in water, free radical emulsion polymerization of butyl acrylate/styrene mixture to form the polymer chain stabilized with a surfactant. Current research in this dissertation further explores the versatility of related nanoparticle emulsion systems. Chapter 2 provides an overview of the loading

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Udumula, Venkata Reddy. "Synthesis, RNA Binding and Antibacterial Studies of 2-DOS Mimetics AND Development of Polymer Supported Nanoparticle Catalysts for Nitroarene and Azide Reduction." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/6031.

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Project I 2-Deoxystreptamine (2-DOS), the most conserved central scaffold of aminoglycosides, is known to specifically recognize the 5'-GU-'3 sequence step through highly conserved hydrogen bonds and electrostatic interactions within and without the context of aminoglycosides (Figure 1a). We proposed that a novel monomeric unnatural amino acid building block using 2-DOS as a template would allow us to develop RNA binding molecules with higher affinity and selectivity than those currently available. Conjugating two or more of the monomeric building blocks by an amide bond would introduce extra

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Taranamai, Phruedsaporn. "Study of Polymer/Silver-Zeolite Composites For Anti-Microbial Applications." Thesis, Le Mans, 2019. http://www.theses.fr/2019LEMA1021.

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L’objectif de ce travail est de préparer des polymères composites antimicrobiens, utilisant de l’acide polylactique (PLA) et/ou du caoutchouc naturel époxydé et incluant des particules d’argent insérées dans des matrices zéolites (AgZ), agissant en tant que composé actif. Un des verrous contrôlant l’activité antibactérienne des matériaux synthétisés est relié à l’étude de l’absorption de l’eau. En effet la mise en œuvre de composites PLA antibactériens rencontre le problème du caractère faiblement hydrophile de PLA, induisant une faible efficacité antimicrobienne. Ainsi afin d’amplifier l’acti

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Lemée, Frédéric. "Composés polyioniques contraints bioactifs libres et supportés : accès à de nouveaux matériaux antibactériens." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0047/document.

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La mise au point de nouveaux matériaux possédant des propriétés antibactériennes est un sujet intéressant le monde médical et environnemental. Pour cela, les polymères commerciaux de Merrifield et de Wang-benzaldéhyde ont été modifiés par greffage de motifs calixarèniques polycationiques antibactériens inspirés des travaux du laboratoire et désignés pour interagir avec la surface bactérienne chargée négativement. Ces calixarènes ont été modifiés sur la partie basse, de façon contrôlée, par incorporation d'un groupe espaceur fonctionnel permettant d'accéder à un greffage ciblé du polymère. Nous

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Ray, Lucille Alexandria. "Live single cell fluorescence microscopy; from antibiotic resistance detection to mitochondrial dysfunction." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1597342775751888.

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13

Xu, Zewen. "Gyration spun polymeric fibres for antibacterial applications." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1574699/.

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Hybrid polymeric fibres and fibrous structures have widely been used to construct porous polymer scaffolds with excellent functionally, and are of great interest in biomedical applications. In this thesis, in contrast to electrospinning, a novel approach, gyration spinning with or without pressure is reported to achieve a high production rate for hybrid nanoparticle embedded polymer fibres in the micro to nanometre scale range using either polymer solutions or melts. Polyurethane (PU), nylon, and poly(ethylene oxide) (PEO) were used as the polymers not only because of their excellent biocompat

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Moraes, Ana Carolina Mazarin de 1983. "Graphene oxide and graphene oxide functionalized with silver nanoparticles : antibacterial activity and polymeric composites applications." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249034.

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Orientador: Oswaldo Luiz Alves<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-27T15:35:46Z (GMT). No. of bitstreams: 1 Moraes_AnaCarolinaMazarinde_D.pdf: 5504556 bytes, checksum: ff8566e313e82701925549e2ecd544ab (MD5) Previous issue date: 2015<br>Resumo: O óxido de grafeno (GO) é uma forma quimicamente modificada de grafeno que possui grupos funcionais contendo oxigênio (epóxi, carboxila, carbonila, e hidroxila) distribuídos sobre a base e as bordas de suas folhas. Devido à abundância dos grupamentos oxigenados, o GO tem s

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Tzoris, Achilles. "An investigation on the induced antibacterial properties of alkyl acrylate polymeric materials." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624905.

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McGinty, Kathryn Mary. "Surface Modification of Poly(vinyl chloride) by Physisorbed Free Radical Initiation for Reduced Plasticizer Migration and Antimicrobial Properties." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1226615844.

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Buxadera, Palomero Judit. "Development of polymeric coatings with combined antifouling/antibacterial properties for titanium dental implants." Doctoral thesis, Universitat Politècnica de Catalunya, 2017. http://hdl.handle.net/10803/456896.

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Titanium dental implants are a commonly used solution for the replacement of lost teeth. Even though the success rate is high, the number of infections related to the placement of the implant is still remarkable and may impair the proper function of the device, leading to health and economic costs. The infections related to medical devices start with a bacterial adhesion and proliferation on the material surface, leading to the formation of a complex biofilm able to protect the bacteria from the host immune response and the treatment with antibiotic. Due to the difficulty of treatment of the i

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Lee, Jaewoong Broughton Royall M. "Synthesis and applications of novel antimicrobial polymeric materials." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Summer/Dissertations/LEE_JAE_27.pdf.

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Zhang, Yi Verfasser], and Seema [Akademischer Betreuer] [Agarwal. "Novel degradable polymeric materials for biomedical and antibacterial applications / Yi Zhang. Betreuer: Seema Agarwal." Marburg : Philipps-Universität Marburg, 2012. http://d-nb.info/1027183778/34.

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Zhang, Yi [Verfasser], and Seema [Akademischer Betreuer] Agarwal. "Novel degradable polymeric materials for biomedical and antibacterial applications / Yi Zhang. Betreuer: Seema Agarwal." Marburg : Philipps-Universität Marburg, 2012. http://nbn-resolving.de/urn:nbn:de:hebis:04-z2012-09251.

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Adebayo, Olajumoke O. "Evaluation of bacterial polymers as protective agents for sensitive probiotic bacteria." Thesis, University of Wolverhampton, 2018. http://hdl.handle.net/2436/621096.

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Probiotics are live microorganisms which when administered in adequate amounts confer one or more health benefits on the host. Different processing conditions, the acidic condition of the stomach and exposure to hydrolytic enzymes affect the viability and efficacy of probiotic organisms. This study investigated the protective effects of two biopolymers poly-gamma-glutamic acid (γ-PGA) and bacterial cellulose (BC) on probiotics during freeze drying and during exposure to simulated intestinal juices and bile salts. The antibacterial property of Bifidobacterium strains was also investigated again

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Shim, Jeung-Yeop. "Studies on antibacterial activities of n-thiolated beta-lactams and their polymeric nanoparticles against mrsa." [Tampa, Fla.] : University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000630.

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Shi, Guoqiang. "Preparation and properties of polymeric bacteriostatic composite hydrogel." Магістерська робота, Kyiv National University of Technology and Design, 2021. https://er.knutd.edu.ua/handle/123456789/19545.

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The master's thesis is devoted to developing and preparing a composite hydrogel material that can meet the long-term antibacterial properties through a simple physical cross-linking method. The specific research content is as follows: Using PVA and PHMG as raw materials, without introducing initiator and cross-linking agent, through the freezing-thawing method, an antibacterial hydrogel material was prepared. By controlling the PHMG content, freezing time, the number of freeze-thaw cycles and other conditions, the performance of the hydrogel can be adjusted. The best formulation of the hydroge

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Shim, Jeung-Yeop. "Studies on Antibacterial Activities of N-Thiolated β-Lactams and Their Polymeric Nanoparticles Against MRSA". Scholar Commons, 2003. https://scholarcommons.usf.edu/etd/1476.

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Methicillin-resistant Staphylococcus Aureus (MRSA) is now the most challenging bacterial pathogen affecting patients in hospitals and in care centers, and has brought on the need to develop new drugs for MRSA. This thesis centers on studies of N-thiolated β-lactams, a new family of potent antibacterial compounds that selectively inhibit the growth of methicillin-resistant Staphylococcus aureus (MRSA). Chapter 1 describes MRSA in more detail. Chapter 2 outlines experiments on the effect of a fatty ester group (CO2R) on the C4-phenyl ring of N-methylthio β-lactams, expecting that attachment of l

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TABACARU, Aurel. "New Coordination Polymers Incorporating Rigid and Flexible Polypyrazolyl Ligands with Late Transition Metals. Microporosity, Thermal Resistance, Photoluminescence and Antibacterial Action." Doctoral thesis, Università degli Studi di Camerino, 2013. http://hdl.handle.net/11581/401708.

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The interest in engineering and constructing coordination compounds with supramolecular structures has permanently increased during the last two decades. As a matter of fact, coordination polymers (CPs), also comprising metal-organic frameworks (MOFs), seem very promising in a variety of fields of industrial, technological and environmental relevance, e.g., as selective and reversible adsorbents of gases and/or volatile organic compounds, as highly efficient and selective catalysts, as magnetic and photoluminescent materials capable of both metal- and ligand-centered emission, or even as antim

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Porto, Daniele Ferreira. "Desenvolvimento e avaliação da atividade antibacteriana de nanopartículas poliméricas carreadoras de vancomicina." Niterói, 2017. https://app.uff.br/riuff/handle/1/3220.

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Submitted by Biblioteca da Faculdade de Farmácia (bff@ndc.uff.br) on 2017-03-30T17:56:53Z No. of bitstreams: 1 Porto, Daniele Ferreira [Dissertação, 2014].pdf: 1240957 bytes, checksum: 014bd9c8587ee46053ae0e4023717210 (MD5)<br>Made available in DSpace on 2017-03-30T17:56:53Z (GMT). No. of bitstreams: 1 Porto, Daniele Ferreira [Dissertação, 2014].pdf: 1240957 bytes, checksum: 014bd9c8587ee46053ae0e4023717210 (MD5)<br>Complicações por doenças infecciosas têm sido relacionadas ao uso excessivo de antibióticos. A Nanotecnologia apresenta avançadas estratégias no tratamento de diferentes enferm

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Parker, Emily M. "Surface active polymers as anti-infective and anti-biofouling materials." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:54e462df-b64c-499c-94ce-55d624be9a69.

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This thesis is concerned with the chemical modification of polymers in the preparation of a library of materials which exhibit altered surface properties as a result of the surface chemical functionality, with particular emphasis on the development of materials that control biofouling and are antibacterial. Chemical modification of crosslinked polystyrene, in film and microsphere form, was carried out by carbene insertion followed by diazonium coupling. This provided access to a collection of materials with varying surface chemistry, whilst the bulk properties of the polystyrene substrates wer

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Martins, Junior Dorival. "Atividade antimicrobiana da violaceina pura ou em nanoformulação." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/317029.

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Orientador: Marcelo Brocchi<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-13T01:01:08Z (GMT). No. of bitstreams: 1 MartinsJunior_Dorival_M.pdf: 1174036 bytes, checksum: 073886b15ce1e9305f7c5b8fc5eb8f81 (MD5) Previous issue date: 2009<br>Resumo: Uma vez que violaceína - um composto com atividade antibiótica, aniparasitária e antitumoral - apresenta baixa solubilidade em água, nanopartículas poliméricas contendo esse composto podem aumentar a sua solubilidade em água e potencializar sua atividade biológica. Logo, o o

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Belkhir, Kedafi. "Elaboration en phase fondue de matériaux polymères à activité biologique." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSES006/document.

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L’objectif de cette thèse était d’allier, dans un même polymère, le contrôle de l’architecture macromoléculaire, la fonctionnalité et la possibilité de sa mise en oeuvre en phase fondue, tout en préservant l’aspect environnemental. Les structures polymères synthétisées sont basées sur des chaînes biodégradables et/ou biosourcées d’acide polylactic (PLA), de polyhydroxybutyrate (PHB) et de polycaprolactone (PCL). Ces dernières ont été assemblées dans des structures macromoléculaires branchées à design contrôlé et portant des fonctions thiols, ces fonctions ont permis le greffage de monomères do

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Tran, Thi Nguyet. "Bio-based elastomeric composites for antibacterial and antifouling applications : methodology for the synthesis and grafting of functionalized oligomers issued from natural rubber." Thesis, Le Mans, 2018. http://www.theses.fr/2018LEMA1024/document.

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Ce manuscrit présente la synthèse de nouveaux matériaux élastomères dérivés du caoutchouc naturel et de monomères organiques possédant des propriétés antifouling et/ou antibactériennes, liés de manière covalente au réseau polymère. Des monomères acrylates originaux comportant un groupement bioactif (un groupe guanidinium ou des dérivés de l'acide Zostérique) ont été synthétisés et co-polymérisés avec des oligomères acrylates téléchéliques. Aucun relargage significatif des monomères bioactifs n’'a eu lieu après immersion dans l'eau. Les films auto-portés synthétisés uniquement à partir des olig

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Bahloul, Walid. "Génération in situ de dioxyde de titane par réactions d’hydrolysecondensations dans une matrice polymère fondu." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10124/document.

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L’objectif de ce travail est de générer in situ des particules de dioxyde de titane dans une matrice polypropylène fondu au cours du procédé d’extrusion. La synthèse est basée sur des réactions d’hydrolyse-condensations d’un alkoxyde de titane (le n-tétrabutoxyde de titane). Une approche en milieu modèle a tout d’abord été développée offrant l’avantage de pouvoir travailler en milieu liquide sans prendre en compte de la viscosité du PP ni des effets de cisaillement. En se basant sur les données cinétiques déterminées en milieu modèle, la génération de ces particules de dioxyde titane a été ens

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Paillot, Pierrick. "Modification chimique, greffage et dispersion d'agents fonctionnels pour des applications antimicrobiennes." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSES006/document.

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Le marché de la cosmétique est l’un des marché les plus porteur actuellement dans le monde. La population française utilise énormément ces produits pour son hygiène quotidienne. Ce sont les shampoings ou autre crème de soins. Pour protéger ces produits, depuis maintenant de nombreuses années, les fabricants ajoutent des agents conservateurs pour augmenter la durée de conservation, ou encore éviter certaines contaminations microbiennes après les contacts avec la peau. Ces dernières années ont également vu les mentalités des consommateurs évoluer et actuellement, ces derniers souhaiteraient des

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Bernardi, Sarah. "Surfaces polymères antibactériennes à base de polyionènes : synthèses et études aux interfaces en physico-chimie et biologie." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASF034.

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La contamination bactérienne des surfaces est une problématique majeure dans des domaines comme le médical ou l’agroalimentaire. Afin d’agir en amont de la formation du biofilm, nous avons choisi de réaliser des surfaces bioactives par contact pour inhiber les bactéries sans relargage d’agents actifs. L’objectif de cette thèse est de créer ces surfaces en greffant de façon covalente des polyionènes (PI) et d’en étudier les propriétés biologiques en faisant un lien avec la structure des polymères greffés.Les PI possèdent des propriétés antimicrobiennes à la fois puissantes et modulables grâce à

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Morizur, Vincent. "Fonctionnalisation de polymères et applications dans les domaines de l’énergie, de la catalyse, de la cosmétique et de la santé." Thesis, Nice, 2014. http://www.theses.fr/2014NICE4102.

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Les polymères sont à l’heure actuelle étudiés dans de nombreux domaines comme la chimie, la biochimie, les nanotechnologies, l'électronique, la médecine ou encore les sciences des matériaux et trouvent des applications dans des domaines comme l’industrie automobile, la chimie fine. L’objectif de cette thèse est de réaliser la fonctionnalisation de polymères et de modifier les propriétés de ces matériaux afin d’envisager des nouvelles applications. Nous nous sommes intéressés à des polymères de la famille des poly(aryle éther) et plus particulièrement au poly(éther éther cétone) (PEEK). Ce poly

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Almousa, Rashed Abdulaziz R. "Coating of Polyvinylchloride for Reduced Cell / Bacterial Adhesion and Antibacterial Properties." Thesis, 2019. http://hdl.handle.net/1805/19006.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>A Polyvinylchloride surface was modified by coating a biocompatible, hydrophilic and antibacterial polymer by a mild surface modification method. The surface was first activated and then functionalized, followed by coating with polymer. The surface functionality was evaluated using cell adhesion, bacterial adhesion and bacterial viability for polymers with antibacterial properties. 3T3 mouse fibroblast cells were used for cell adhesion, Pseudomonas aeruginosa, Escherichia coli, and Staphylococcus aureus were used for bacterial adhesi

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(6640046), Rashed Abdulaziz R. Almousa. "COATING OF POLYVINYLCHLORIDE FOR REDUCED CELL/BACTERIAL ADHESION AND ANTIBACTERIAL PROPERTIES." Thesis, 2019.

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<p>A Polyvinylchloride surface was modified by coating a biocompatible, hydrophilic and antibacterial polymer by a mild surface modification method. The surface was first activated and then functionalized, followed by coating with polymer. The surface functionality was evaluated using cell adhesion, bacterial adhesion and bacterial viability for polymers with antibacterial properties. 3T3 mouse fibroblast cells were used for cell adhesion, Pseudomonas aeruginosa, Escherichia coli, and Staphylococcus aureus were used for bacterial adhesion in the first study, Pseudomonas aeruginosa and Staphylo

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Mural, Prasanna Kumar S. "Porous Antibacterial Membranes Derived from Polyethylene (PE)/Polyethylene Oxide (PEO) Blends and Engineered Nanoparticles." Thesis, 2016. http://etd.iisc.ernet.in/2005/3742.

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The steep rise in the contamination of natural water sources, has led to an increasing demand for alternate solutions to cater safe drinking water to mankind. Water treatment by separation technology utilizes semipermeable membranes to filter the contaminants commonly present in potable water. In this context, the current work focuses on the development of membranes that are affordable, exhibit chemical resistance and can be developed at industrial scale. By blending two immiscible polymers like polyethylene (PE) and polyethylene oxide (PEO), different morphologies can be generated and porous

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Guan-FuChen and 陳冠甫. "Antibacterial adhesion and hemocompatibility evaluations on the hydrophilic polymer or/and zwitterionic compound grafted onto the polypropylene surface." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/q922g4.

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Kun-TingHsieh and 謝坤庭. "Surface modification of cotton cellulose substrates by hydrophobic polymer with quaternary ammonium functionality: Surface characterization, antibacterial and antistain evaluation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/gerkz9.

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Al-Dossary, Mona S. "Synthesis and Properties of the Metallo-Supramolecular Polymer Hydrogel Poly[methyl vinyl ether-alt-mono-sodium maleate]∙AgNO3." Thesis, 2014. http://hdl.handle.net/10754/316937.

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Gels are a special class of materials which are composed of 3D networks of crosslinked polymer chains that encapsulate liquid/air in the matrix. They can be classified into organogels or hydrogels (organic solvent for organogel and water for hydrogel). For hydrogels that contain metallic elements in the form of ions, the term of metallo-supramolecular polymer hydrogel (MSPHG) is often used. The aim of this project is to develop a kind of new MSPHG and investigate its properties and possible applications. The commercial polymeric anhydride poly(methyl vinyl ether-alt-maleic anhydride) (PVM/MA)

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Kuzminova, Anna. "Modifikace polymerních substrátů pomocí nízkoteplotního plazmatu." Doctoral thesis, 2018. http://www.nusl.cz/ntk/nusl-386771.

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Title: Modification of polymeric substrates by means of non-equilibrium plasma Author: Anna Kuzminova Department: Department of Macromolecular Physics Supervisor of the doctoral thesis: doc. RNDr. Ondřej Kylián, Ph.D. Abstract: Processing of polymeric materials by means of non-equilibrium plasma is a topic that reaches increasing attention, which is due to the wide range of possible applications. As an example can be mentioned processing of polymeric foils used for food packaging, where plasma treatment enables to improve their functional properties (e.g. increase their printability or enhance

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Sambhy, Varun. "Antibacterial polymers and functional nanocomposites:." 2007. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-2339/index.html.

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LIN, JIAN-HONG, and 林建宏. "Property Evaluations of Antibacterial Polypropylene Composites Made of Guanidine Polymers." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/81139880267341863210.

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碩士<br>中臺科技大學<br>生物科技暨醫學工程研究所<br>105<br>In this study, polypropylene (PP) is used as polymeric substrate, whilst polyhexamethylene guanidine hydrochloride (PHGH) is used an antimicrobial polymer filler. Then, polypropylene grafted maleic anhydride (PP-g-MA) is used a compatilizer in order to improve the compatibility between PP and PHGH. Moreover, dicumyl peroxide (DCP) is used as a crosslinking agent, increasing the bonding between PP and PHGH and improving the physical properties. As a result, PP and PHGH are processed with melt compounding and the hot pressing in order to form composite film

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Chen, Li-Lun, and 陳立綸. "The Antibacterial Activity of Modified with Cationic and Nonfouling Polymers Surfaces." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/12858998626012944912.

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碩士<br>國立陽明大學<br>醫學工程研究所<br>102<br>Lipopolysaccharide (LPS), a bacterial endotoxin, is the main constituent of the outer membrane derived from Gram-negative bacteria. The release of endotoxin (LPS) in the blood stream of human beings due to bacterial infection results in severe symptoms of sepsis and causes high mortality of more than 40%. Thus, it is crucial to develop the strategies for removing endotoxins from the circulating blood system. It has been demonstrated that Polymyxin B (PMB) and Polyethyleneimine (PEI), both are cationic polymers, exhibit high LPS binding affinity and bactericida

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Ilker, Mehmet Firat. "Preparation of novel amphiphilic polymers via ring -opening metathesis polymerization and study of their antibacterial properties." 2005. https://scholarworks.umass.edu/dissertations/AAI3163677.

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This thesis adapted tools of organic and organometallic chemistry to achieve control over synthetic macromolecular architectures, with a focus on the systematic incorporation of polar and nonpolar chemical entities into polymers, and test these amphiphilic polymers for their interactions with living cells, bacterial and mammalian. The development of highly active well-defined catalyst systems for olefin metathesis, and their influence on the development of ring-opening metathesis polymerization (ROMP) has been a major inspiration behind our synthetic strategy towards the preparation of model a

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Liao, Yu-Hsiang, and 廖昱翔. "Copper oxide nanoparticles modified by different polymers for the application in antibacterial activity." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/t8h4zt.

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碩士<br>國立中山大學<br>化學系研究所<br>107<br>In recent years, the drug resistance of pathogens to antibiotics has increased continuously, causing severe health problems. Through combining the technology of nanomaterial science and the inherent antibacterial activity of metal oxides, many studies developed innovative antibacterial methods by utilizing metal oxide nanoparticles. This study uses simple hydrothermal synthesis to synthesize copper oxide. And through adding different polymer modifiers to achieve surface modification and optimize the antibacterial efficiency of the original copper oxide. Additio

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Tandukar, Shikchya Sen Ayusman. "Antibacterial polymers, recyclable palladium catalysts for coupling reactions, and catalytic conversion of cellulose into liquid fuels." 2009. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-3577/index.html.

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Wen-ChouYeh and 葉文周. "A Study on Using Mesoporous Silica as Polymer Filler and Ag Nanoparticles@Mesoporous Silica as Antibacteria Material." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/50229143835479871964.

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碩士<br>國立成功大學<br>化學系專班<br>101<br>Porous silica has extensive applications in many materials. For example, to use as the absorbent, the solid state template, the catalyzed load body, the electrode material, the polymer material filler and so on. It has been concerned for many reaches. The theory will study the mesoporous silica on polymer material blending and Ag Nanoparticles @ Mesoporous Silica as Antibacteria Material. It starts with mesoporous silica. First, to blend mesoporous silica with high crystalline polyoxymethylene. The mesoporous silica is dispersed in the polyoxymethylene with me

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Chang, Chia-Wei, and 張家瑋. "Studies on the Preparation and Properties of the Polymeric Hydrogel Materials with Antibacterial or Chemiluminescence." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/36927801869115715757.

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碩士<br>大同大學<br>化學工程學系(所)<br>98<br>PART 1 Abstract In this study, sodium acrylate were prepared by neutralization of acrylic acid and NaOH, and superabsorbent of poly(sodium acrylate), poly(SA), was prepared by inverse suspension polymerization of sodium acrylate. Different concentrations of silver nanowires were absorbed into superabsorbent materials and the effect of silver nanowires concentration on swelling ratios, swelling rate and antibacterial behaviors were investigated in this study. In addition, comparison of antibacterial experiment of xerogel and wet gel and silver nanoparticles and

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Araújo, Bárbara dos Santos Correia Alves de. "Avaliação da ação antibacteriana de nanocompósitos processados por impressão 3D." Master's thesis, 2021. http://hdl.handle.net/10316/97944.

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Dissertação de Mestrado em Engenharia de Materiais apresentada à Faculdade de Ciências e Tecnologia<br>As técnicas de fabrico aditivo (FA) permitem a criação de peças/componentes com geometrias complexas de uma forma mais fácil, com simplicidade e, às vezes, com maior velocidade de produção quando comparada a outros processos convencionais. Uma das técnicas incluídas no FA é a fabricação de filamentos fundidos (FFF), que consiste na extrusão de um material polimérico em várias camadas, recriando as peças 3D anteriormente desenhadas em CAD.Os dispositivos, peças ou objetos obtidos por esta técn

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