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Dissertations / Theses on the topic 'Antimicrobial study'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Vieira, Mónica Andreia Almeida. "Monitoring antibiotics in the environment. Study of Quinoxaline derivatives bioactivity." Doctoral thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/11350.

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Dissertação para obtenção do Grau de Doutor em Química Sustentável<br>Antimicrobial agents have revolutionized medicine and promoted an increase in average life expectancy of human populations worldwide. These drugs are used not only in human medicine but also in veterinary practice, in the treatment and prevention of infections, and in some regions in the world, as well as growth promoters, ensuring a greater and better animal production. The use of antimicrobial agents in animal production causes contamination of the final product with drug residues that are eventually distributed in human

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2

Parr, J. A. "Antimicrobial properties of silicone quaternary ammonium compounds." Thesis, Bucks New University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375600.

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3

Trienekens, Theodora Antoinetta Maria. "Urinary tract infections and antimicrobial agents A study into factors influencing the efficacy of antimicrobial agents /." Maastricht : Maastricht : Rijksuniversiteit Limburg ; University Library, Maastricht University [Host], 1993. http://arno.unimaas.nl/show.cgi?fid=5757.

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4

Muppalla, Kirankirti. "Functionalization of Resorcinarenes and Study of Antimicrobial Activity." Scholar Commons, 2001. http://scholarcommons.usf.edu/etd/3824.

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Cavitands are very important class of compounds in supramolecular chemistry. These molecules contain rigid enforced cavity,and have attracted considerable attention in supramolecular chemistry as building blocks for the construction of carcerands, hemicarcerands, and other host guests complexes. Nearly 40 years ago, Niederl and Vogel laid foundation for the study of such type of condensation reactions. In our laboratory we are involved in synthesis of resorcinarenes with readily available substrates such as resorcinol and aldehydes to form a cyclic tetramer. Herein, I present detailed studies

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5

Shaker, L. A. "Effect of chlorohexidine on bacterial spores." Thesis, Cardiff University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381226.

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6

Mather, Alison Elizabeth. "Epidemiological and ecological approaches to the study of antimicrobial resistance." Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/2624/.

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To date, investigation and policy development relating to antimicrobial resistance (AMR) have focused largely on describing patterns of resistance to individual antimicrobials, often from restricted data sources. What this approach fails to accommodate is the complexity of AMR, such as genetic linkage of resistance determinants, which could potentially lead to inaccurate inference. Novel approaches are therefore required to bring new perspectives on the epidemiology of AMR. These studies take an ecological perspective of AMR, examining several key issues: The relative contribution to AMR from

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7

He, Jing. "Design and Study of Novel Antimicrobial Peptides with Proline Substitution." Ohio University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1257779581.

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8

Qian, Lei. "A study of N-halamine structures in regenerable antimicrobial textiles /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2002. http://uclibs.org/PID/11984.

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9

Morgan, Thomas Daniel. "Aspects of oral care and antimicrobial efficacy : a microcalorimetric study." Thesis, University of Kent, 1997. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507958.

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10

Daham, S. A. "The antibacterial activity of chlorhexidine in combination with dodecyl trimethyl ammonium bromide and some other antimicrobial agents." Thesis, University of Bradford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378115.

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11

Yaeger, Eileen M. "Quantitative Study of Clostridium difficile Incidence Related to Influenza and Antimicrobial Use." ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/614.

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In the United States, influenza causes approximately 36,000 deaths and over 200,000 hospitalizations each year with elderly most often affected. Clostridium difficile infection (CDI) is another major health care challenge and pressing public health issue associated with 14,000 deaths and over 335,000 hospitalizations annually. The use of antibiotics has been implicated in the development of CDI. This study's purpose was to test the relationship of seasonal influenza incidence and antiviral/antibiotic use in CDI development among hospitalized patients. Grounded in the epidemiologic wheel model

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12

Wan, Yang. "Synthesis of β,γ-diamino acids and their use to design new analogues of the antimicrobial peptide Gramicidin Septide antimicrobien, la Gramicidine S". Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS407/document.

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Dans notre groupe, nous nous intéressons au développement de peptides contenant des acides γ-aminés. Comme d’autres peptides contenant des acides aminés non naturels, ils ont montré leur capacité à posséder des conformations stables et/ou des propriétés biologiques intéressantes. De plus, ces peptides sont généralement résistant à la protéolyse. Dans l’objectif de synthétiser des acides -diaminés sous la forme d’un seul stéréoisomère, nous avons développé une voie de synthèse reposant sur une réaction de Blaise suivie d’une réduction diastéréosélective. En appliquant cette méthode, nous avons

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13

Freshwater, Julie L. "Impact of Antimicrobial Use on the Resistance of Pseudomonas aeruginosa in the Intensive Care Unit Setting in a Large Academic Medical Center." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275443984.

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14

Cassin, Margaret Emily. "The Design of Antimicrobial Detachable Thin Films for the Study of Hepatic Infections." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/77426.

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Microbial infections are a global problem. Due to the over and misuse of antibiotics, drug-resistant pathogens are becoming more common. It is imperative to explore broad spectrum antimicrobial approaches. In this work, we modified collagen/hyaluronic acid polyelectrolyte multilayers (PEMs) with the natural antimicrobial peptide, LL-37 to study hepatic infections. LL-37 was physisorbed and covalently linked to the surface of the PEMs. Escherichia coli DH10B were cultured in the presence of LL-37modified PEMs in bacterial adhesion and contact killing models. Physisorbed LL-37 PEMs prevented ba

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15

Grau, Campistany Ariadna. "Design, synthesis and study of the biological and biophysical activity of antimicrobial peptides." Doctoral thesis, Universitat de Barcelona, 2014. http://hdl.handle.net/10803/279307.

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The global emergence and spread of multidrug-resistant bacteria is an important public health issue. However, the antimicrobial pipeline remains unacceptably lean, in fact over the last 25 years, the number of antimicrobial agents that reach the market has sharply decreased. In this context, there is now a renewed interest in the search for drugs that have more than one target on the bacterial cell, rather than a specific chiral receptor or enzyme. Antimicrobial peptides (AMPs) are a class of antibiotics that have attracted great interest in the last few years because they rarely spur the deve

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16

Marques, ClaÌudia Nogueira Hora. "Use of Pseudomonas aeruginosa expressing Lux genes to study antimicrobial susceptibility of biofilms." Thesis, University of the West of England, Bristol, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411964.

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17

Liu, Yang Li Men`gshi. "Study of antimicrobial activity and mechanism of zinc oxide nanoparticles against foodborne pathogens." Diss., Columbia, Mo. : University of Missouri-Columbia, 2009. http://hdl.handle.net/10355/6718.

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The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed on March 23, 2010). Thesis advisor: Dr. Mengshi Lin. Includes bibliographical references.

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18

Pelissari, Grace Priscila [UNESP]. "Estudo farmacognóstico e avaliação das atividades antibacteriana e imunomoduladora de Melampodium divaricatum (Rich. In Pers) DC. (Asteraceae)." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/91685.

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Made available in DSpace on 2014-06-11T19:25:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-03-28Bitstream added on 2014-06-13T20:53:20Z : No. of bitstreams: 1 pelissari_gp_me_arafcf.pdf: 3328486 bytes, checksum: eca10418295f68f0485506997b0e2f5b (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Universidade Estadual Paulista (UNESP)<br>Diante do amplo uso popular da espécie Melampodium divaricatum (Rich. In Pers.) DC (Asteraceae) conhecida no Brasil como falsa-calêndula, fica evidente o provável potencial farmacológico desta espécie justificando assi

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Ng'uni, Tiza Lucy. "Medicinal uses of Galenia africana: A study of the antimicrobial, antifungal and anticancer properties." University of the Western Cape, 2017. http://hdl.handle.net/11394/5670.

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Philosophiae Doctor - PhD<br>Over the years, microorganisms have become resistant to commonly used antimicrobial agents leading to multidrug resistance. This is believed to occur even with new classes of therapeutic agents thus creating a challenge on the global healthcare system. The study of medicinal plants allows for their possible use as alternative therapeutic agents. Galenia africana (G. africana) is a South African medicinal plant with numerous health benefits. The purpose of this study was to evaluate the potential antimicrobial, antifungal and anticancer properties of the ethanolic e

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Nguni, Tiza. "Medicinal uses of Galenia africana: A study of the antimicrobial, antifungal and anticancer properties." University of the Western Cape, 2018. http://hdl.handle.net/11394/6608.

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Magister Scientiae - MSc (Medical BioSciences)<br>Medicinal uses of Galenia africana: A study of the antimicrobial, antifungal and anticancer properties Over the years, microorganisms have become resistant to commonly used antimicrobial agents leading to multidrug resistance. This is believed to occur even with new classes of therapeutic agents thus creating a challenge on the global healthcare system. The study of medicinal plants allows for their possible use as alternative therapeutic agents. Galenia africana (G. africana) is a South African medicinal plant with numerous health benefits. Th

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21

Abutheraa, Nouf. "Antimicrobial stewardship in the management of sepsis in maternity hospitals : a mixed methodology study." Thesis, University of Strathclyde, 2018. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=30289.

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Background: Sepsis is one of the leading causes of maternal mortality and morbidity. The absence of a clear diagnostic marker challenges the process of starting antibiotic therapy. Early identification and management of sepsis is essential. Thus, the sepsis six care bundle (SSCB) was introduced in the UK to improve the care of sepsis patients. Aim: To evaluate assessment of sepsis and subsequent management including the antibiotic therapy prescribed, and to use this data as a basis of antimicrobial stewardship programme (AMSP) and quality improvement plan within maternity units. Methods: This

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22

Jacob, Rebecca. "Lipid bilayers and their interactions with the antimicrobial peptide LL37: a TIR Raman study." Thesis, KTH, Skolan för kemivetenskap (CHE), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-207018.

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As a direct consequence of the misuse of antibiotics since its first discovery, bacteria have developed extensive resistance mechanisms making them once again potential lethal threats. This eventuality has triggered a vast research effort from scientists worldwide to find solutions to mitigate antimicrobial resistance. One such option is the identification of new potential antimicrobial agents, like for example antimicrobial peptides (AMPs). Various methods have been applied to evaluate the properties and determine the complex mechanism of AMPs. However, the details of the mechanism remain unk

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23

Boukherissa, Amira. "Study ot the coevolution between antimicrobial peptides and peptide transporters in legume-rhizobium symbiosis." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASB043.

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Les légumineuses présentant une carence en azote peuvent entrer en interaction symbiotique avec des bactéries du sol fixatrices de N₂ appelées rhizobia. Dans cinq clades de légumineuses, une stratégie d’exploitation appelée différenciation terminale des bactéroïdes (TBD) a évolué dans laquelle les rhizobiums subissent une différenciation extrême. Les bactéries terminalement différenciées sont plus grandes, polyploïdes, ont une membrane perméabilisée, et sont meilleures à la fixation de N₂, fournissant un retour sur investissement plus élevé pour la plante. Nous savons que dans deux clades, IRL

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24

Carr, Matthew. "Advancing our understanding of lipid bilayer interactions : a molecular dynamics study." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/16148.

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In recent years, advances in computer architecture and lipid force field parameters have made Molecular Dynamics (MD) a powerful tool for gaining atomistic resolution of biological membranes on timescales that other tools simply cannot explore. With many key biological processes involving membranes occurring on the nanosecond timescale, MD allows us to probe the dynamics and energetics of these interactions in molecular detail. Specifically, we can observe the interactions taking place as a peptide or protein comes into contact with a lipid bilayer, and how this may shape or alter the bilayer

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25

Shrestha, Jaya P. "Synthesis, Structure-Activity Relationship Study, and Mode of Action Study of 1,4-Naphthoquinone Based Anticancer and Antimicrobial Agents." DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/4925.

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Synthesizing bioactive small molecules by structural modification of 1,4-naphthoquinone was the primary goal of this research. Several bioactive compounds with anticancer, antifungal, and antibacterial activities were synthesized. All the synthetic protocols were optimized in such ways that do not require cumbersome purification. First, a new protocol for the synthesis of NQM111 was developed. NQM111 is a highly potent anticancer agent developed in our laboratory, but the old protocol does not provide enough quantity for in vivo study. Therefore, a new safe and improved method was developed wh

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26

Chan, Mei-sheung, and 陳美嫦. "Study of structure-function relationships in cationic antimicrobial peptides derived from human and porcine lactoferricins." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B43572017.

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Chan, Mei-sheung. "Study of structure-function relationships in cationic antimicrobial peptides derived from human and porcine lactoferricins." Click to view the E-thesis via HKUTO, 2010. http://sunzi.lib.hku.hk/hkuto/record/B43572017.

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BARZAN, GIULIA. "Study of antimicrobial and antioxidant properties of new materials for development of active food packaging." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2970684.

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This work is focused on the design, production and characterization of sustainable active food packaging materials with antimicrobial and antioxidant properties to ensure the safety and quality of foods and prolong their shelf-life. Firstly, a microfluidic device combining dielectrophoresis (DEP) and Raman spectroscopy was developed for a fast and dynamic characterization of different bacterial strains, including food-related pathogens (i.e. E. coli and S. aureus), directly in planktonic suspension. Predictive models to identify bacterial cross-induced resistance to antibiotic within few hour

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29

Carlsson, Göran. "Kostmann syndrome : a clinical and pathophysiological study /." Stockholm, 2004. http://diss.kib.ki.se/2004/91-7140-059-1/.

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30

Ferre, Malagon Rafael. "Design and synthesis of short antimicrobial peptides for plant protection. Study of their mode of action." Doctoral thesis, Universitat de Girona, 2010. http://hdl.handle.net/10803/8053.

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Aquesta tesi doctoral està basada en el desenvolupament de nous agents antimicrobians derivats del pèptid híbrid cecropina A-melitina WKLFKKILKVL-NH2 (Pep3) que siguin sostenibles i útils per al control de malalties de plantes. Es van dissenyar i sintetitzar més de 133 anàlegs de Pep3 mitjançant química combinatòria. Es van obtenir anàlegs de Pep3 amb una elevada activitat contra fitopatògens i que presentaven baixa toxicitat. Els millors anàlegs van presentar eficàcies comparables amb pesticides de referència en la prevenció d'infeccions causades per fitopatògens. Es va estudiar el mecanisme

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Robinson, Gareth Michael. "Use of bacterial lux gene expression to study bacterial blood brain barrier penetration and antimicrobial effects." Thesis, University of the West of England, Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.432309.

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Bioluminescence, the emission of light from living organisms, occurs throughout nature. In bacteria, bioluminescence is directly coupled to electron transport making it an excellent reporter of bacterial metabolic activity. The full lux operon from the terrestrial bioluminescent species, Photorhabdus IUl11inescens was transferred via a plasmid to the human pathogenic species, Staphylococcus alfrelfS and Neisseria meningitidis. The resulting transformants produced light constitutively and without the need for addition of exogenous substrate. Bioluminescent S. Ql~lreUS was challenged with the an

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Melo, Mary Anne Sampaio de. "Safe and effective parameters for using photodynamic antimicrobial chemotherapy in carious dentin: an in vitro study." Universidade Federal do CearÃ, 2009. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=2851.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>The elimination of bacteria inside the demineralized dentin layer might contribute for a more conservative approach in the restorative treatment of deep dentin caries lesions. This way, this in vitro study aimed to establish safe and effective parameters for using an LED (λ = 620-660 nm) associated to the photosensitizer toluidine blue O (TBO) in the disinfection of artificially produced dentin caries lesions. For this, slabs with 25 mm2 of flatted occlusal human dentin were immersed for 5 days in BHI broth inoculated with S

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33

Diyoka, Nkongolo Jean Blaise. "Synthesis, characterization, and study mode of coordination of N,N’- and N,O - (arene)ruthenium II complexes co-ligated by isoniazid: Preparation for antimicrobial studies." University of the Western Cape, 2018. http://hdl.handle.net/11394/6574.

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>Magister Scientiae - MSc<br>This thesis reports on the syntheses of complexes of (arene) ruthenium (II) isoniazid Schiff base ligands for antimicrobial studies. Isoniazid Schiff base ligands; isonicotinyl acid (2-hydroxy-5- methyl-benzilidene)-hydrazide (L1), isonicotinyl acid (2-hydroxy-5-methoxy-benzilidene)- hydrazide (L2), isonicotinyl acid (-5-chloro-2-hydroxy-benzilidene)-hydrazide (L3), isonicotinyl acid (-5-bromo-2-hydroxy-benzilidene)-hydrazide (L4), isonicotinyl acid (2-hydroxy-5-nitrobenzilidene)- hydrazide (L5) were prepared by condensation reaction under reflux from equimol

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Galo, Ítalo Dany Cavalcante. "Fototerapia antimicrobiana: otimização de protocolo experimental in vitro e estudo de resistência bacteriana." Universidade Federal de Goiás, 2018. http://repositorio.bc.ufg.br/tede/handle/tede/8805.

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Submitted by Franciele Moreira (francielemoreyra@gmail.com) on 2018-08-16T13:19:25Z No. of bitstreams: 2 Dissertação - Ítalo Dany Cavalcante Galo - 2018.pdf: 2927565 bytes, checksum: 078e47430d5f7162d86e682c8a01e08b (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-08-17T11:19:44Z (GMT) No. of bitstreams: 2 Dissertação - Ítalo Dany Cavalcante Galo - 2018.pdf: 2927565 bytes, checksum: 078e47430d5f7162d86e682c8a01e08b (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427

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Meyers, B. A. (Bruce Anthony). "A study on the bacteria of dog bite wounds in dogs and their susceptibility to antimicrobials." Diss., University of Pretoria, 2008. http://hdl.handle.net/2263/26742.

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To investigate the bacterial composition of infected and non-infected dog bite wounds (DBW), a prospective study was performed on dogs with various grades of bite wounds presenting at the Onderstepoort Veterinary Academic Hospital, University of Pretoria, and a nearby animal shelter. Fifty dogs with bite wounds inflicted within the previous 72 hours were selected. This represented 104 wounds. Wounds were clinically graded according to severity. Swabs were collected from all wounds for bacterial culture and cytology. Infection was diagnosed if 2 of the following 3 criteria were met: macroscopic

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Aguilar-Luis, Miguel Angel, Apayco Leslie Casas, Valdez Carmen Tinco, et al. "Screening and Assessment of Antimicrobial Susceptibility of Periodontopathic Bacteria in Peruvian Patients with Periodontitis: A Pilot Study." Hindawi Limited, 2021. http://hdl.handle.net/10757/655883.

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Background. Severe periodontal disease is highly prevalent worldwide, affecting 20% of the population between the ages of 35 and 44 years. The etiological epidemiology in Peru is scarce, even though some studies describe a prevalence of 48.5% of periodontal disease in the general population. Periodontitis is one of the most prevalent oral diseases associated with site-specific changes in the oral microbiota and it has been associated with a socioeconomic state. This study aimed to determine the etiology and resistance profile of bacteria identified in a group of Peruvian patients with periodon

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Alali, Walid Qasim. "Longitudinal study of antimicrobial resistance among Escherichia coli isolated from integrated multi-site cohorts of humans and swine." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-2434.

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Yunoki, Tomoyuki. "Genetic identification and antimicrobial susceptibility of clinically isolated anaerobic bacteria: A prospective multicenter surveillance study in Japan." Kyoto University, 2018. http://hdl.handle.net/2433/233837.

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Collins, Tracy Lynn. "A Study of Surface Motility and Biofilm Formation in Pseudomonas aeruginosa: Quorum Sensing and Photodynamic Antimicrobial Chemotherapy." University of Dayton / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1291235249.

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Luke, Nicholas L. "A comparison of the antimicrobial efficacy of silver diamine fluoride and silver nitrate: an in vitro study." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5294.

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A COMPARISON OF THE ANTIMICROBIAL EFFICACY OF SILVER DIAMINE FLUORIDE AND SILVER NITRATE: AN IN VITRO STUDY By: Nicholas L Luke, D.D.S. A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Dentistry at Virginia Commonwealth University. Virginia Commonwealth University, May 2018 Thesis Advisor: William O. Dahlke Jr., D.M.D. Pediatric Dentistry, Department Chair Purpose: To determine the antimicrobial efficacy of SDF and SN/NaF. Methods: Three bacterial species were combined to create an in vitro biofilm. Treatment was completed with SN, SN/NaF, SD

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AlNajjar, Reham M. "A comparison of the antimicrobial efficacy of silver diamine fluoride and silver nitrate: an ex vivo study." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5800.

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A comparison of the antimicrobial efficacy of silver diamine fluoride and silver nitrate on various cariogenic bacteria: an ex vivo study By: Reham AlNajjar, D.D.S. A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Dentistry at Virginia Commonwealth University. Virginia Commonwealth University, 2019 Thesis Advisor: William Dahlke, D.M.D., Associate Professor and Chair of Pediatric Dentistry, School of Dentistry Purpose: The use of silver-based antimicrobials is an emerging method for the treatment of dental caries. In this study, the authors c

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Subedi, Yagya P. "Cost-Effective Synthesis, Bioactivity and Cellular Uptake Study of Aminoglycosides with Antimicrobial and Connexin Hemichannel Inhibitory Activity." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7699.

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Amphiphilic kanamycin is one of the promising class of compounds for the treatment of fungal infections in plants and animal. Factor that lead to the restricting of compounds for commercialization includes, the higher cost of production and poor stability of the compound. However, the new lead, identified from the synthesis and biological testing, can be synthesized on a large scale with a cost comparable to commercial antifungals. The newly reported lead is stable at the acidic and basic conditions. Additionally, this compound has an excellent activity towards Candida auris, a multidrug-resis

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Lai, Ming-Qin, and 賴明欽. "The Study of Chitosan Antimicrobial Fiber." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/76431525485192860368.

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碩士<br>大葉大學<br>食品工程學系碩士班<br>91<br>Chitosan/cellulose antibacterial fibers were prepared by blending chitosan particle, cellulose and N-metheylmorpholine N-oxide (NMMO) together for spinning. The dope’s viscosity decreased along with the chitosan concentration. The fibers’ mechanical properties and antibacterial activities against Staphylococcus aureus (CCRC10451, ATCC6538P) were measured. Although the addition of chitosan reduced the mechanical properties, the elongation properties were increased. The antibacterial activity increased along with the chitosan concentration and slightly decrease i

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Chen, Chun-Hwa, and 陳俊樺. "Structural study of antimicrobial peptide Maximin H5." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/69919300566154249020.

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碩士<br>國立成功大學<br>生物科技研究所碩博士班<br>94<br>Amphibian skin is a rich resource of antimicrobial peptides, serves as the first line of defense of creatures attacked by microbes. The antimicrobial peptide studied here is an antimicrobial peptide from skin secretion of toad, Bombina maxima. It is a novel maximin H peptide which is produced through posttranslational modification of a precursor protein, and was named Maximin H5. By analyzing the composition of amino acids, it contains three acidic aspartates, but has no basic amino acids. Based on the previous study, it seemed to be sensitive only to Gram

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CHIOU, WEN-CHIN, and 邱文欽. "Antimicrobial Effect and the Study of Pharmacy." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/94520958264777003757.

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Lo, Chang-Hung, and 羅昌鴻. "Study on production of antimicrobial peptides from soymilk." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/33461082523241438254.

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碩士<br>國立中興大學<br>食品暨應用生物科技學系所<br>98<br>To explore the preparation of antimicrobial peptide activity from soy protein peptides, the orientase were applied for preparing the protein hydrolysates from soy milk. In the experiment, five pathogens, Bacillus subtilis, Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus and Salmonella choleraesuis were focused in this study and it was found that the orientase protein hydrolysates has the feature of antimicrobial activity. The preparation condition was defined as E/S = 1/100 (w/v), 50℃, pH 7.0, 1 h. Higher antimicrobial activity inhibit

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Cruz, Ana Filipa Daniel da. "Study of antimicrobial peptides' activity against bacterial biofilms." Master's thesis, 2017. http://hdl.handle.net/10451/30408.

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Tese de mestrado em Bioquímica, apresentada à Universidade de Lisboa, através da Faculdade de Ciências, 2017<br>O tratamento de infeções bacterianas é geralmente realizado recorrendo a antibióticos. Desde a sua descoberta, estes fármacos têm sido amplamente utilizados pois permitem aliar elevada eficácia e baixo custo. Porém, a prescrição excessiva e inapropriada de antibióticos conduziu ao desenvolvimento de resistência por parte das bactérias. Consequentemente, nos últimos anos, a eficácia dos antibióticos decresceu significativamente pelo que este problema se tornou uma ameaça global. Atual

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Lin, Hsiu-Chen, and 林秀真. "Inappropriate Antimicrobial Usage in Urinary Tract Infection and the Study of Molecular Epidemiology on Antimicrobial Resistance of Enterobactericeae." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/bs8s2n.

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博士<br>臺北醫學大學<br>公共衛生學系暨研究所<br>102<br>Antimicrobial resistance of the pathogenic bacteria is a major concern of public health worldwide now. In the other word, Methicillin resistant Staphylococcus aureus, extended spectrum beta-lactamase (ESBL) producing Enterobacteriaceae may lead to the treatment more difficult than before. The major mechanism of antimicrobial resistance in bacteria is the inappropriate antimicrobial usage including the overuse and underuse. Upper respiratory tract infection is the major infectious disease of ambulatory patients. However, urinary tract infection (UTI) is the

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Hsu, Chin-Ping, and 徐近平. "Study on Compositions and Antimicrobial Activity of Commercial Seasonings." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/85829976926699293480.

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碩士<br>中國文化大學<br>生活應用科學研究所碩士在職專班<br>91<br>Abstract Seasoning has became the main components of the meal as due to variety of seasoning be investigated. In this study, we try to evaluate the hygiene, safety, and quality of 43 commercial seasonings from market. The AOAC method and CNS used to analysis general composition, Beaume (B′e), Brix contained, ration of amino acid and fatty acid composition in the commercial seasonings. The result shown that the commercial seasonings which contained water content 2~6%, water activities 0.2~0.5, pH value 5.3~8.5, Beaume (B′e) 8~1

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Li, Szu Hsuan, and 李偲亘. "The Study of Production of Antimicrobial Substances from Microorganisms." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/22x4v6.

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碩士<br>國立金門大學<br>食品科學系<br>103<br>This research selected soil samples were screened to find excellent antimicrobial substances. By antimicrobial test to screen out the suppression effect of better strains. From the experimental results it could be determined that the soil samples screened 6 strains of inhibit indicator bacteria. Among the group "NO.4" and "1-4" had better results than other four types of bacteria, therefore this experiment carried on with only the two "NO.4" and "1-4" for further study. The culture conditions for most physical and chemical properties. The results showed that "NO

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