Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"Antibacterial efficacy"”.
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Antibacterial efficacy of nanometals in conjunction with electrical stimulus
… them. This study will attempt to evaluate the antibacterial efficacy of nanocopper particles and an electrical stimulus for the usage in medical device development and the hospital environment. For devices such as catheters, infections typically result from bacteria entering the body from the …
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An investigation into the effects of shape and structure on the antibacterial efficacy of metal nanoparticles
… demonstrating a need for new, effective antibacterial agents. Metal nanoparticles (NPs) such as silver (AgNPs), copper (CuNPs) and gold (AuNPs) exhibit antimicrobial properties against bacteria, including Escherichia coli and Enterococcus faecium. E. coli O157:H7, which is known to be …
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Phage therapy applications: Efficacy and impact on the animal intestinal microbiome
Phage therapy is a promising antibacterial intervention that has received renewed interest in recent years. In this study, the antibacterial efficacy of phage treatments was tested in different food matrices, under different conditions, as well as in both phage cocktail and single phage forms. …
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Synthesis of monodisperse silver nanoparticles for antibacterial purposes
… disinfection applications because of their high antibacterial activity and broad antimicrobial spectrum (Qu, Alvarez, & Li, 2013). Development in this area is critical, particularly in advancing technology to allow greater accessibility to clean drinking water for people in poor, rural areas in …
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Antibacterial Activities of Cannabidiol Against Two Major Oral Pathogens
… a Cannabis sativa L. L. extract, has shown antibacterial properties against various bacterial species, especially gram-positive cocci. This dissertation aimed to evaluate the antibacterial efficacy of CBD against Streptococcus mutans and Porphyromonas gingivalis bacterial growth and …
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ASSESSMENT OF ANTIBACTERIAL EFFECT AND FLOWABILITY OF BIOCERAMIC SEALER MODIFIED WITH BaTiO3 NANOPARTICLES
… including barium titanate (BaTiO3), offer antibacterial effects. The aim of this project is to develop an endodontic sealer embedded with piezoelectric fillers for the prevention of root canal infections. Materials and methods: BaTiO3 particles were mixed with EndoSequence (BC) sealer in …
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Development of Cellulose-Titanium dioxide-Porphyrin Nanocomposite Films with High-barrier, UV-blocking, and Visible Light-Responsive Antimicrobial Features
… frameworks (MOF) with visible light-responsive antibacterial mechanisms to generate reactive oxygen species (ROS) that can eliminate bacteria via an oxidative burst. MOF is made of inorganic metal ions/nodes/clusters/secondary building units linked by organic bridge ligands, where titanium …
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Investigation into the antimicrobial activity of cationic antibacterials.
… addressed by the 2011 WHOs World Health Day was antibacterial resistance. This action served to highlight the serious problem bacterial resistance now presents to healthcare professionals globally. This investigation focussed on the action of four cationic antimicrobial agents against E. coli, S. …
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Development and in vivo Analysis of Inhaled Clofazimine for the Treatment of Pulmonary Tuberculosis
… and aerodynamic particle size distribution, antibacterial efficacy, cytotoxicity, and solubility. Moreover, formulations were also characterized for their solid state and particle morphology. Lead formulation was dosed in BALB/c mice to analyze the amounts of inhaled CFZ. CFZ DPPC …
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Antibacterial Activity of Hydrogen Peroxide Against Escherichia Coli O157:H7 and Salmonella Spp. in Fruit Juices, Both Alone and in Combination With Organic Acids
The antibacterial efficacy of hydrogen peroxide treatments in four fruit juices was determined. Preservative free apple cider, white grape, and purple grape juice were inoculated with ~ 6.4 log CFU/ml of a five strain, acid adapted, nalidixic acid resistant E. coli O157:H7 cocktail. Orange juice …
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Evaluación in-vitro de Cr-PEEK como biomaterial alternativo a los materiales tradicionales en implantología dental
… of each material. Additionally, the antibacterial activity of the surfaces was evaluated against Escherichia coli and Staphylococcus aureus to assess potential resistance to bacterial colonization by inhibition zone and attachment assay. Results: No mayor effect were found between …
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Design and Optimization of Angiogenic, Antibacterial Si-Zn-Hydroxyapatite for Use as Filler Particles in Polycaprolactone Nanocomposites
… system. The prevailing hypothesis for the antibacterial action of Zn-doped HAp was challenged. Nanoparticles of both doped and undoped HAp exhibited bacteriostatic activity against Staphylococcus aureus, yet Zn-doped variants were consistently less effective than their Si-doped or undoped …
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Utilization of Model-Based Approaches to Maximize Efficacy of Antibiotics for the Treatment of Mycobacterium abscessus Pulmonary Infection
… as these factors significantly diminish the antibacterial activity of drugs. Current treatment guidelines recommend prolonged therapy, generally more than 12 months with a multidrug combination of at least four agents. However, no optimal combination, regimen, or treatment duration has been …
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Study of antimicrobial and antioxidant properties of new materials for development of active food packaging
… biomolecules at single cell level. Then, the antibacterial properties of innovative silver and carbon-based nanosystems and their inclusion in prototype packaging materials were studied. Differently sized silver nanoparticles, from 6 to 50 nm, were compared for their antibacterial efficacy in …
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Development and characterisation of medicated wound dressings for chronic wound healing
… films, wafers and marketed dressing showed antibacterial efficacy against 105 CFU/ml of S. aureus, P. aeruginosa and E. coli. STP and DLF present in both films and wafers acted synergistically and showed better antimicrobial activity than marketed dressings. Film dressing allows ease of …
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Understanding the biochemical properties and physiological function of the protein syncollin
… cysteine residues, syncollin-Strep retained its antibacterial efficacy, but its thermal stability was reduced, suggesting the involvement of disulphide bonding in stabilizing the structure of the protein. With regard to its potential role in the gut, I found that syncollin-Strep binds to …