Tesis sobre el tema "Bacterial studies"
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Leigh, J. A. "Studies on bacterial dehalogenases". Thesis, Nottingham Trent University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376092.
Texto completoStenbäck, Anders. "Studies of Experimental Bacterial Translocation". Doctoral thesis, Uppsala University, Department of Surgical Sciences, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5933.
Texto completoOne of the main obstacles to maintaining patients with short bowel syndrome on parenteral nutrition, or successfully transplanting these patients with a small bowel graft, is the many severe infections that occur. Evidence is accumulating that translocating bacteria from the patient’s bowel causes a significant part of these infections. In this thesis bacterial translocation is studied in a Thiry-Vella loop of defunctionalised small bowel in the rat.
Bacterial translocation to the mesenteric lymph nodes (MLNs) occurs in almost 100% of the rats after three days. No systemic spread of bacteria is observed unless there is additional immunosupression with depletion of Kupffer cells in the liver. However, blocking the function of α/β T cells does not increase the translocation. Removal of MLNs does not either aggravate bacterial translocation in the Thiry-Vella loop model. Conversely, after small bowel transplantation translocating bacteria spread systemically if the MLNs are removed.
The Thiry-Vella loop should also be a suitable model for the testing of potentially translocation-inhibiting substances. Reinforcement of the intestinal barrier with glutamine or phosphatidylcholine proved insufficient in decreasing bacterial translocation. Even selective bowel decontamination with tobramycin failed to abolish bacterial translocation. Thus, it seems that the driving force for translocation in this model is strong regardless of the relatively small trauma of intestinal defunctionalisation.
Flow cytometric studies of the immune cells in the spleen MLNs showed a decrease in MHC class II positive T cells in the MLNs of the Thiry-Vella loop. Concurrently the number of macrophages increased with time as observed by immunohistochemistry. The fraction of MHC class II negative macrophages increased in the spleens of rats treated with glutamine.
In conclusion, the Thiry-Vella loop model offers possibilities of immunological as well as mechanistic studies on bacterial translocation from small intestine.
Chiu, Cecilia P. C. "Crystallographic studies of bacterial sialyltransferases". Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/31274.
Texto completoMedicine, Faculty of
Biochemistry and Molecular Biology, Department of
Graduate
Stenbäck, Anders. "Studies of experimental bacterial translocation /". Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5933.
Texto completoCordes, Frank Stephan. "Biophysical studies of bacterial pathogenesis". Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404113.
Texto completoBriggs, David Christopher. "Structural studies of bacterial toxins". Thesis, Birkbeck (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414899.
Texto completoWilkins, G. M. "Studies on bacterial gene transposition". Thesis, University of Warwick, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383407.
Texto completoLynch, Anthony Simon. "Studies of bacterial DNA topoisomerases". Thesis, University of York, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329651.
Texto completoDi, Ilio C. "Studies on bacterial glutathione transferase". Thesis, Cranfield University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333472.
Texto completoHidese, Ryota. "Studies on Bacterial Dihydropyrimidine Dehydrogenases". Kyoto University, 2011. http://hdl.handle.net/2433/142342.
Texto completo0048
新制・課程博士
博士(農学)
甲第16144号
農博第1880号
新制||農||991(附属図書館)
学位論文||H23||N4614(農学部図書室)
28723
京都大学大学院農学研究科応用生命科学専攻
(主査)准教授 栗原 達夫, 教授 小川 順, 教授 阪井 康能
学位規則第4条第1項該当
Holbourn, Kenneth Paul. "Structural studies on bacterial toxins". Thesis, University of Bath, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436881.
Texto completoBergström, Niklas. "Structural studies of bacterial carbohydrate antigens with focus on oral commensal bacteria /". Stockholm : Karolinska institutets bibl, 2002. http://diss.kib.ki.se/2002/91-7349-236-1.
Texto completoChâteau, Maarten de. "Functional, structural and evolutionary studies on a family of bacterial surface proteins". Lund : Dept. of Cell and Molecular Biology, Lund University, 1996. http://catalog.hathitrust.org/api/volumes/oclc/38947242.html.
Texto completoRozell, Björn. "Immunohistochemical studies of the thioredoxin system". Göteborg : Dept. of Histology, University of Göteborg, 1987. http://catalog.hathitrust.org/api/volumes/oclc/17242526.html.
Texto completoSarasanandarajah, Sivananthan. "Multiwavelength fluorescence studies of Bacillus bacterial spores". Thesis, University of Canterbury. Physics and Astronomy, 2007. http://hdl.handle.net/10092/3544.
Texto completoLawrence, Christopher C. "Studies on bacterial proline 4-hydroxylase". Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358610.
Texto completoAgnew, Christopher R. J. "Structural studies of bacterial infection proteins". Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.544420.
Texto completoHill, C. P. "Structural studies on a bacterial ribonuclease". Thesis, University of York, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375429.
Texto completoAttarataya, Jakrada. "Structural studies of bacterial oxidoreductase enzymes". Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.658865.
Texto completoSilva, Avalos Juan G. (Juan Guillermo). "Isolation, Characterization and Physiological Studies of Cyanide-Utilizing Bacteria". Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc278291/.
Texto completoKanso, Sungwan y n/a. "Molecular Studies of Bacterial Communities in the Great Artesian Basin Aquifers". Griffith University. School of Biomolecular and Biomedical Science, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20040219.140509.
Texto completoKanso, Sungwan. "Molecular Studies of Bacterial Communities in the Great Artesian Basin Aquifers". Thesis, Griffith University, 2004. http://hdl.handle.net/10072/366613.
Texto completoThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Biomolecular and Biomedical Sciences
Full Text
Zeng, Muling. "Bacterial cellulose: fabrication, characterization and biocompatibility studies". Doctoral thesis, Universitat Autònoma de Barcelona, 2014. http://hdl.handle.net/10803/284146.
Texto completoIn March 2011, I started the application of a scholarship from CSC (Chinese Scholarship Council), which cooperated with the Universitat Autònoma de Barcelona (UAB). After about half year, I secured the scholarship and began my doctoral thesis under the supervision of Dr. Anna Roig and Dr. Anna Laromaine. My project assignment was on bacterial cellulose: fabrication, characterization and biocompatibility studies. Bacterial cellulose is a renewable polysaccharide, which is produced by some types of bacteria in nature. It presents remarkable chemical and physical properties, including high chemical purity and crystallinity, nano-scale fibre network, porosity, high water absorption capacity and mechanical strength. Bacterial cellulose is being used for a wide variety of commercial applications, for example textiles, cosmetics, food products and other technical areas. Furthermore, bacterial cellulose is also biocompatible with excellent biological affinity and biodegradability, which is drawing immense attention from the bio and medical area researchers. The objective of my thesis was to learn how to produce bacterial cellulose films and find strategies to control their properties. A second objective was to developed methods to fabricate nanocomposites based on bacterial cellulose. The final objective was related to prove the biocompatibility of the in-house produced bacterial cellulose films and to be able to use them as three-dimensional scaffolds for cell in-growth. In this way setting up a platform that will allow us to study the interaction of cells and nanoparticles in a realistic 3D environment. During the first year, a lab set-up was successfully built to produce bacterial cellulose from two bacterial strains and three methods of drying were accessed to dry the thin films; at room temperature, freeze drying and supercritical drying. Moreover, the full characterization of bacterial cellulose films was accomplished: their porosity, transparency, water absorption capacity and mechanical properties were tuned by selecting the bacterial strain and the drying method. In the second year, bacterial cellulose composited with nanoparticles as novel functional cellulose materials were synthesized by microwave-assisted method. This method is efficient and fast to form a homogenous conformal and controllable coating of nanoparticles on the bacterial cellulose films. By drying the cellulose films using different routes, the final amount of the nanoparticles content in the composites can be controlled. Furthermore, those films were patterned with hydrophobic/hydrophilic domains and selectively anchored nanoparticles to create more complex and functional cellulose composites. During the last year, an investigation of the biocompatibility of the bacterial cellulose films in vitro was performed. Although bacterial cellulose is generally considered non-cytotoxic material, its biocompatibility as a major requirement for the use in biological and medical applications has not been fully evaluated. Furthermore, an improved 3D bacterial cellulose scaffold was fabricated. The thesis is organized into six chapters. Chapter 1 provides an introduction to bacterial cellulose. Chapter 2 describes a detailed description of the fabrication of bacterial cellulose films (BCFs). Chapter 3 focuses on the synthesis of functional bacterial cellulose composites incorporating nanoparticles. Chapter 4 presents the studies of bacterial cellulose biocompatibility as 2D and 3D scaffold for cell studies in vitro. Chapter 5 lists the main conclusions derived from the present thesis and some suggestions for the future work. Chapter 6 gathers information about the author and the publications during the Ph.D. studies.
Noursadeghi, Mahdad. "Studies of innate immunity to bacterial infection". Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406424.
Texto completoBond, Peter J. "Simulation studies of bacterial outer membrane proteins". Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419258.
Texto completoOnakunle, Ojo Adegboyega. "Studies on the enantioselectivity of bacterial lactonases". Thesis, University of Kent, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362189.
Texto completoGibson, Kevin J. C. "Structural and biochemical studies on bacterial lipoglycans". Thesis, University of Newcastle Upon Tyne, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397343.
Texto completoConroy, Matthew James. "NMR studies of bacterial light-harvesting complexes". Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298888.
Texto completoTrambaiolo, Daniel Marco. "Crystallographic studies of bacterial cell division proteins". Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611977.
Texto completoLloyd, Diarmuid Padraig. "Microscopic studies of surface growing bacterial populations". Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/10509.
Texto completoKawasaki, Haruhiko. "STUDIES ON PLASMIDS DETERMINING BACTERIAL HALOACETATE DEHALOGENASES". Kyoto University, 1985. http://hdl.handle.net/2433/78183.
Texto completoRamesar, Rajkumar Sewcharan. "Developmental genetic studies on Thiobacillus ferrooxidans". Doctoral thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/26235.
Texto completoPrayitno, Slamet Budi. "Studies of bacteria causing prawn disease in Indonesia with special emphasis on luminous bacterial disease". Thesis, Bangor University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.483433.
Texto completoMcClellan, J. A. "Studies on Escherichia coli-mutabile". Thesis, University of Leeds, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355195.
Texto completoChoudhury, Hassanul Ghani. "Structural and functional studies of bacterial detoxification mechanisms". Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/39387.
Texto completoDiab, Asim Eltayeb. "Experimental bacterial meningitis : studies on immunopathogenesis and immunoregulation /". Stockholm, 1998. http://diss.kib.ki.se/1998/91-628-3008-2.
Texto completoTanabe, Mikio. "Structural, functional and immunological studies of bacterial transporters". Thesis, Imperial College London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428677.
Texto completoQua, A. R. "Anti-bacterial structure-function relationship studies on melittin". Thesis, Queen's University Belfast, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419557.
Texto completoCheesman, Myles Richard. "Spectroscopic studies of nickel ions in bacterial proteins". Thesis, University of East Anglia, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327824.
Texto completoCox, Charles. "Structural and functional studies of bacterial mechanosensitive channels". Thesis, Cardiff University, 2012. http://orca.cf.ac.uk/44553/.
Texto completoDuman, Ramona Elena. "Structural studies of bacterial Lon ATP-dependent proteases". Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609086.
Texto completoBack, Catherine R. "Structural and functional studies of oral bacterial adhesins". Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.650102.
Texto completoWalford, Gillian. "NMR and conformational studies of bacterial polysaccharide antigens". Thesis, University of Cambridge, 1993. https://www.repository.cam.ac.uk/handle/1810/272377.
Texto completoCosta, Jill Bonham. "Structural studies of some viscous, acidic bacterial exopolysaccharides /". The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487687959968165.
Texto completoBreuleux, Claire Emilie. "Studies on bacterial lung infections in cystic fibrosis". Thesis, Aston University, 2000. http://publications.aston.ac.uk/12359/.
Texto completoMalasarn, Davin Sternberg Paul W. "Molecular and environmental studies of bacterial arsenate respiration /". Diss., Pasadena, Calif. : California Institute of Technology, 2007. http://resolver.caltech.edu/CaltechETD:etd-02232007-132917.
Texto completoMalik, A. N. "Genetic studies with Pseudomonas syringae pathovar pisi". Thesis, University of Greenwich, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354390.
Texto completoHill, Russell. "Gene cloning studies in two nocardioform bacteria". Doctoral thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/21896.
Texto completoNocardioforms are Gram-positive, aerobic actinomycetes and are a metabolically diverse group which produce antibiotics, useful enzymes, are important in the biotransformation of organic compounds and the decomposition of organic wastes and are important medically. A gene cloning vector designated pLR591 was constructed from the broad host range, multicopy Streptomyces plasmid pIJ702 and the positive selection Escherichia coli plasmid pEcoR251. This plasmid has useful features for the construction of actinomycete genomic libraries. Cloning of DNA into the unique Bg1II endonuclease site of pLR591 inactivated the lethal EcoRI gene derived from pEcoR251, thereby selecting for recombinant plasmids containing inserted DNA. The thiostrepton resistance gene derived from pIJ702 was shown to be functional in Streptomyces lividans enabling selection of recombinant pLR591 plasmids containing foreign DNA in S. lividans. The vector pLR591 therefore functions as a positive selection Streptomyces-E. coli shuttle vector facilitating construction of actinomycete genomic libraries in E. coli and subsequent transfer of recombinant plasmids into S. lividans.
Yang, Dong. "Structural studies of terpenoid biosynthesis and bacterial cell division". [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1737.
Texto completoPanjikar, Santosh. "Crystallographic studies of bacterial single stranded DNA-binding proteins". [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=964154366.
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