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 20 of 207 for “"Antibacterial activity"”.
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Photocontrol of Antibacterial Activity
… synthesis, and evaluation of compounds whose antibacterial activity can be controlled using light. In the first chapter, a brief historical perspective in photochemistry and the use of light in medical therapy is introduced. From the evolution of these two areas have emerged different …
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Investigation of the antibacterial activity of selected flavonoids.
… drugs and there is now an urgent need for new antibacterial agents. Flavonoids are a class of natural product with a diverse range of pharmacological properties, and previous studies at The Robert Gordon University and University of London have identified several candidates suitable for …
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Cationic amphiphilic synthetic macromolecules with superior antibacterial activity
… amphiphilic macromolecules with antimicrobial activity and very low hemolytic impact. Synthetic amphiphilic polymers attack bacteria directly to rupture the cell membrane through electrostatic and hydrophobic interactions. However, the toxicity of such synthetic amphiphilic polymers against …
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IN VITRO ANTIBACTERIAL ACTIVITY OF 12 COMMERCIAL MOUTHRINSE FORMULATIONS.
… comparatively examine the in vitro antimicrobial activity of 12 commercial mouthrinse formulations on a mixture of three bacterial species frequently isolated from the human tongue dorsum. Methods: The 12 commercial mouthrinse formulations tested were 1.) Perio-Aid Treatment Mouthwash (Dentaid …
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Antibacterial activity of polyunsaturated fatty acids related to chronic wound infections
… enhance wound healing. This study evaluated the activity and efficiency of these compounds against woundpathogens and compared them to common antibiotics Linezolid (LZD) and vancomycin(VAN). Standard antibiotic sensitivity assays were used to determine the ability of PUFAs toinhibit growth and …
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Investigations of the postantibiotic effect and related antibacterial activity of meropenem.
… the post antibiotic effect and related antibacterial activity of the carbapenem antibiotic, meropenem. The antibacterial activity of meropenem was determined by establishing minimum inhibitory and minimum bactericidal concentrations when tested against the range of test organisms. The …
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Transition Metal Complexes of Novel Phenanthroline Derivatives and their Antibacterial Activity
… up to a certain point, displayed an increase in antibacterial activity of the ligand and its Cu(II) complex. The Ag(I) complex was the most active towards the fungal strain. The compounds tested did not display promising activity towards the Gram-negative bacterial strain. All compounds tested …
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Comparison of Antibacterial Activity of Ozonated Olive Oil and Chlorhexidine Gluconate
… diffusion susceptibility test is to compare the antibacterial activity of ozonated olive oil (OzOO) with chlorhexidine gluconate (CHX) against periodontal pathogens, Porphyromonas gingivalis and Aggregatibacter Actinomycetemcomitans. Materials and Methods: The antibacterial activity of two …
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Experiment-Based Quantitative Modeling for the Antibacterial Activity of Silver Nanoparticles
… (Ag) has been well known for its antimicrobial activity for a long time. Recent research showed the potential of Ag nanoparticles as emerging antimicrobial agents. However, little quantitative analysis has been performed so far to decipher the mechanism of interaction between nanoparticles and …
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Assessment of the antibacterial activity of Artemisia afra, Erythrina lysistemon and Psidium guajava
Dissertation submitted in fulfillment for the requirements of the Degree of Master of Technology in Biomedical Technology, Durban University of Technology, Durban, South Africa, 2012.
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Invitro antibacterial activity of imidazole and triazole-based antimicrobials against Carbapenem Resistant Enterobacteriaceae
Thesis submitted in fulfilment of the requirements for the degree of Masters of Technology: Biomedical Technology, Durban University of Technology, Durban, South Africa, 2017.
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Single Step Synthesis of Antibiotic Kanamycin Embedded Gold Nanoparticles for Efficient Antibacterial Activity
<p>Nanotechnology has become the most advanced type of drug delivery system within the last decade. This advancement shifted the focus on small carriers to increase the efficiency of the drugs. Among these, gold nanoparticles (GNPs) were found to have profound biomedical applications. In current …
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A study of compounds having antibacterial activity isolated from Rubus pinfaensis Levl. et Vant.
… into the isolation and evaluation of the antibacterial activity of the constituents Rubus pinfaensis Levl.et Vant, a herb used in Traditional Chinese Medicine to promote wound healing. An extract of plant material collected in China, has been subjected to chromatography, guided by …
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Electrochemical Synthesis of Silver Nanoparticles for Applications in Nitrate Detection, Catalysis and Antibacterial Activity
… nitrates. In addition, data are presented on the antibacterial activity of the silver nanoparticles. The silver nanoparticles were synthesized as colloidal particles protected with polyvinylpyrrolidone (PVP) with a diameter of 5.73 nm. The colloidal silver nanoparticles were generated in solutions …
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Modulation of Antibacterial Activity and Cytotoxicity in Amphipathic Cyclic Peptide [R4W4] Using Histidine Substitution
… among known AMPs that demonstrated antimicrobial activity against methicillin-resistant staphylococcus aureus (MRSA) with a minimum inhibitory concentration (MIC) of 2.67 μg/mL. This peptide had notably effective antimicrobial activity, especially relative to linear (R4W4). However, it displayed a …
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Investigation of the antibacterial activity and the biosynthesis gene cluster of the peptide antibiotic feglymycin
Feglymycin ist ein aus Streptomyces sp. DSM 11171 isoliertes, lineares 13mer-Peptid, das zu einem hohen Anteil aus den nicht-proteinogenen Aminosäuren Hpg (4-Hydroxyphenylglycine) und Dpg (3,5-Dihydroxyphenylglycine) besteht. Zudem besitzt es eine interessante, alternierende Abfolge von D- und L- …
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The modification of Laponite® with silver or copper and investigation of their antibacterial activity
… incorporated Laponite® RD respectively. The antibacterial activity was investigated by exposing Escherichia coli K12W-T, Staphylococcus aureus NCIM B6571 and Pseudomonas aeruginosa NCIMB8295 in tryptone soya broth to the different silver-Laponite® RD and copper-Laponite® RD nanocomposites for …
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Antibacterial activity of the crude extract and fractions of spirostachys africana against multi-drug resistant bacteria
… can provide an opportunity to finding new antibacterial compounds that can be used as the foundation for formulating new antimicrobial drugs. Objectives: The aim of this study was to screen antibacterial activity of the crude extract and fractions of S. africana against multi-drug resistant …
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One-Step Synthesis of Kanamycin Functionalized Gold Nanoparticles With Potent Antibacterial Activity Against Resistant Bacterial Strains
… especially gold nanoparticles (GNPs) capped with antibacterial agents are proving to be an effective and novel strategy against multi-drug resistant (MDR) bacteria. In this study, we report a one-step synthesis of kanamycin-capped GNPs (20 ± 5 nm) utilizing the combined reducing and capping …
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