Dissertations / Theses on the topic 'Biofilms – Research'
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Crawford, Robert William. "Chronic Carriage of Salmonella: Biofilms and Gallstones." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243956689.
Full textKurth, Jonah C. "Mitigating biofilm growth through the modification of concrete design and practice." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22694.
Full textCommittee Chair: Kurtis, Kimberly; Committee Member: Kahn, Lawrence; Committee Member: Sobecky, Patricia.
Menicucci, Joseph Anthony Jr. "Algal biofilms, microbial fuel cells, and implementation of state-of-the-art research into chemical and biological engineering laboratories." Thesis, Montana State University, 2010. http://etd.lib.montana.edu/etd/2010/menicucci/MenicucciJ0510.pdf.
Full textMathias, Elizabeth. "Exopolysaccharides of the Pseudomonas aeruginosa Biofilm Matrix." Ohio University Honors Tutorial College / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1400069245.
Full textALBOSLEMY, TALIB. "Kruppel-like factor 2: A regulator of macrophage-mediated innate immune response against Staphylococcus aureus biofilm." Kent State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1523544938448141.
Full textPeng, Chao. "Cationic Polyurethanes for Antimicrobial Applications." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1542383983590224.
Full textGupta, Tripti Thapa. "Characterization and Optimization of Non-thermal Plasma for Biofilm Sterilization." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo152547566313079.
Full textAlmutairi, Layla Awad. "Effects of Mild Magnetic Nanoparticle Hyperthermia on the Susceptibility of Biofilm Infections to Antibiotics." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent1586725182180555.
Full textGrose, William E. "Characterization of a genetic locus in Burkholderia pseudomallei encoding a putative biofilm-associated protein." University of Toledo Health Science Campus / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=mco1301585276.
Full textRobison, Pamula J. "Mathematical Modelling of Biofilm Growth and Decay Through Various Deliveries of Antimicrobial." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1258769688.
Full textPestrak, Matthew James Pestrak. "Investigation of the Pseudomonas aeruginosa biofilm exopolysaccharide Psl and its role during infection." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543240479329587.
Full textLe, Thi Nhi Cong, Thi Ngoc Mai Cung, Thi Thanh Vu, Ngoc Minh Nghiem, Phuong Ha Hoang, Thi Lien Do, and Thi To Uyen Do. "Pyrene degradation of biofilm-forming Paracoccus sp. DG25 isolated from oil polluted samples collected in petroleum storage Duc Giang, Hanoi: Research article." Technische Universität Dresden, 2014. https://tud.qucosa.de/id/qucosa%3A29093.
Full textTrong nghiên cứu này, từ các mẫu đất và nước nhiễm dầu lấy tại kho xăng Đức Giang, Hà Nội, chúng tôi đã phân lập được chủng vi khuẩn có khả năng tạo màng sinh học tốt. Chủng vi khuẩn này đã được phân loại và định tên là Paracoccus sp. DG25 với số đăng ký trên ngân hàng Gen là KJ608354. Chúng tôi cũng đã nghiên cứu một số điều kiện hóa lý ảnh hưởng tới khả năng hình thành màng sinh học như pH, nhiệt độ, nguồn Carbon và nguồn Nitơ. Kết quả cho thấy, chủng DG25 có khả năng tạo màng tốt nhất ở các điều kiện pH 7, 37 oC, nguồn Carbon là maltose và nguồn Nitơ là KNO3. Sử dụng các điều kiện tối ưu này để tạo màng và đánh giá khả năng phân hủy pyrene của màng tạo thành. Bằng phương pháp sắc ký lỏng cao áp, chúng tôi đã đánh giá được hàm lượng pyrene bị phân hủy sau 7 ngày nuôi tĩnh bởi màng sinh học của chủng DG25 lên tới 76,07 % với nồng độ ban đầu là 300 ppm. Cho tới nay, chưa có nhiều công bố về hiệu quả phân hủy pyrene của các chủng vi khuẩn tạo màng sinh học. Do vậy, kết quả đạt được này mở ra khả năng sử dụng màng tạo thành bởi chủng DG25 để nâng cao hiệu quả phân hủy pyren và có thể mở ra phương pháp mới nhằm xử lý các hợp chất hydrocarbon thơm có trong nước ô nhiễm dầu ở Việt Nam.
Rogers, Tara Marie. "Investigation of Alpha-Toxin Secretions in Biofilm Conditioned Medium as a Potential Pro-Inflammatory Disruptor to Macrophages." Kent State University Honors College / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ksuhonors1557145132511741.
Full textBorglin, Matthew R. "Analysis of Biofilm Remediation Capacity For Octenyl Succinic Anhydride (OSA), A Bioactive Food Starch Modifier Compound." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2168.
Full textMarshall, Joanna M. "The O-Antigen Capsule of Salmonella Typhimurium in Acute and Chronic Infection." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1385998769.
Full textMd, Zain Siti Norbaizura Binti. "Biofilm formation of Enterobacter sakazakii on three different materials of infant feeding tube : a thesis presented in partial fulfillment of the requirements for the degree of Master of Technology in Food Microbiology at Massey University, Palmerston North, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/1012.
Full textMenicucci, Joseph Anthony. "Algal biofilms, microbial fuel cells, and implementation of state-of-the-art research into chemical and biological engineering laboratories." 2010. http://etd.lib.montana.edu/etd/2010/menicucci/MenicucciJ0510.pdf.
Full textSuknaic, Stephen R. "Investigation of the potential bacterial proteasome homologue Anbu." Thesis, 2014. http://hdl.handle.net/1805/5022.
Full textAnbu is a bacterial protein with significant homology to the sub-units of the 20S proteasome and is predicted to be a novel bacterial proteasome. The goal of this project was to determine if the recombinant Anbu protein from Pseudomonas aeruginosa is a proteasome. Anbu from P. aeruginosa was successfully cloned, expressed and purified. In order to determine the catalytic activity of Anbu, the purified protein was tested with a variety of substrates and conditions. The targets analyzed included fluorescently-labeled substrates, denatured proteins, diubiquitin, and a peptide library in the hopes of obtaining a useful model substrate. Experiments were also conducted to determine what role Anbu has in the cell. Western analysis was performed on the cell lysate of wild type P. aeruginosa and insertional mutants to detect Anbu expression. The level of biofilm formation was compared between the wild type and mutants. Cultures were grown under stress conditions including the oxidative stress of diamide and the nitrosative stress of S-nitrosoglutathione. Growth rates were monitored in an attempt to detect a phenotypic difference between the wild type and the mutants lacking Anbu, HslV, and the other proteins of interest. While a substrate for Anbu has yet to be found, this protein was found to assemble into a larger structure and P. aeruginosa lacking Anbu was sensitive to the oxidative stress of diamide and the nitrosative stress of S-nitrosoglutathione.
Akhand, Saeed Salehin. "Role of a putative bacterial lipoprotein in Pseudomonas aeruginosa-mediated cytotoxicity toward airway cells." Thesis, 2014. http://hdl.handle.net/1805/5629.
Full textThe patients with Cystic fibrosis (CF), an inherent genetic disorder, suffer from chronic bacterial infection in the lung. In CF, modification of epithelial cells leads to alteration of the lung environment, such as inhibition of ciliary bacterial clearance and accumulation of thickened mucus in the airways. Exploiting these conditions, opportunistic pathogens like Pseudomonas aeruginosa cause lifelong persistent infection in the CF lung by forming into antibiotic-resistant aggregated communities called biofilms. Airway infections as well as inflammation are the two major presentations of CF lung disease. P. aeruginosa strains isolated from CF lungs often contain mutations in the mucA gene, and this mutation results in higher level expression of bacterial polysaccharides and toxic lipoproteins. In a previous work, we have found a putative lipoprotein gene (PA4326) which is overexpressed in antibiotic-induced biofilm formed on cultured CF-derived airway cells. In the current work, we speculated that this particular putative lipoprotein affects cellular cytotoxicity and immune-stimulation in the epithelial cells. We found that mutation of this gene (ΔPA4326) results in reduced airway cell killing without affecting other common virulence factors.Moreover, we observed that this gene was able to stimulate secretion of the proinflammatory cytokine IL-8 from host cells. Interestingly, we also found that ΔPA4326 mutant strains produced less pyocyanin exotoxin compared to the wild type. Furthermore, our results suggest that PA4326 regulates expression of the pyocyanin biosynthesis gene phzM, leading to the reduced pyocyanin phenotype. Overall, these findings implicate PA4326 as a virulence factor in Pseudomonas aeruginosa. In the future, understating the molecular interplay between the epithelial cells and putative lipoproteins like PA4326 may lead to development of novel anti-inflammatory therapies that would lessen the suffering of CF patients.
Palmer, Jon Stuart. "Surface characteristics of an adhesive thermophilic spore-forming Bacillus, isolated from milk powder : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Food Technology at Massey University, Palmerston North, New Zealand." 2008. http://hdl.handle.net/10179/1384.
Full textTek, Ee Lin. "Phenotypic investigation of biofilm formation and transcriptional analysis of invasive growth of commercial wine Saccharomyces cerevisiae." Thesis, 2017. http://hdl.handle.net/2440/113361.
Full textThesis (Ph.D.) (Research by Publication) -- University of Adelaide, School of Agriculture, Food and Wine, 2017.
Teh, Koon Hoong. "Biofilm formation by Campylobacter jejuni in controlled mixed-microbial populations : a thesis presented in partial fulfillment of the requirements for the degree of Master of Technology in Food Technology at Massey University, Palmerston North, New Zealand." 2008. http://hdl.handle.net/10179/782.
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