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 36 for “"Staphylococcus aureus (S. aureus)"”.
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Particalized Eggshell Membrane (PEM) for Biomedical Applications
… antimicrobial activity against Gram-positive Staphylococcus aureus (S. aureus), and Gram-negative Pseudomonas aeruginosa (P. aeruginosa) and Escherichia coli (E. coli) species. A dose-dependent anti-inflammatory activity for PEM was observed in an in vitro model but no significant difference …
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The discovery and functional study of a bioactive peptide, QUB-3273, from the skin secretion of the frog, Odorrana schmackeri
… was 16 µM (Escherichia coli, E. coli), 32 µM (Staphylococcus aureus, S. aureus), and 64 µM (Candida albicans, C. albicans), respectively. The results showed consistency with the bioactivities of most peptides in brevinin-2 family. QUB-3273 showed no significant effect on anti-proliferative of …
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A bioactive peptide from the defensive skin secretion of <i>Odorrana versabilis</i>
… coli (E. coli), the Gram-positive bacterium, Staphylococcus aureus (S. aureus) and the yeast, Candida albicans (C. albicans) with minimal inhibitory concentrations of 128 μM, 64 μM and 128 μM, respectively. Unfortunately, QUB-1966 has no obvious anti-proliferation activity against MB453s, …
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Discovery and functional study of the novel bioactive peptide QUB-1980 from the skin secretion of Odorrana grahami
… to display weaker antimicrobial activity against Staphylococcus aureus (S. aureus) (ATCC CRM 6538), Escherichia coli (E. coli) (ATCC CRM 8739) and Candida albicans (C. albicans) (ATCC CRM 10231) than the natural peptide. Compared with natural peptide, QUB-1347NH2 showed better ability against …
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Identification and functional study of a bioactive peptide QUB-1962 from the skin secretion of the yellow-bellied toad (Bombina variegata)
… effect against Gram-positive bacteria Staphylococcus aureus (S. aureus), Gram-negative bacteria Escherichia coli (E. coli), and fungus Candida albicans (C. albicans) and has relatively weak haemolytic activity (HC50 is 691.6 μl). The anti-cancer activity assay showed that the peptide …
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Identification and functional study of a bioactive peptide QUB-2007 from the skin secretion of the bicolour tree-frog Phyllomedusa bicolor
… of 32 μM, and the Gram-positive bacterium, Staphylococcus aureus (S. aureus ATCC CRM6538) at a concentration of 8 μM. In terms of MTT anticancer cell proliferation assays, QUB-2007 was shown to have anticancer activities against HCI-H838 lung cancer cells at a concentration of 10-4 M. With …
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Identification and functional study of a bioactive peptide QUB-2413 from the skin secretion of the Red-Eyed Tree Frog, Agalychnis callidryas
… effects on the Gram-positive bacterium, Staphylococcus aureus (S. aureus ATCC CRM6538). In terms of MTT anticancer cell proliferation assays, QUB-2413 was proved to have no remarkable anticancer activities against U251-MG cells and HCT-116 cells in a range of concentration from 10 -6 M to …
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Differential expression profiling of proteomes of pathogenic and commensal strains of Staphylococcus aureus using SILAC
Staphylococcus aureus (S. aureus) is the etiological agent of food-borne diseases, skin infections in humans and mastitis in bovines. S. aureus is also known to exist as a commensal on skin, nose and other mucosal surfaces of the host. This symbiotic association is a result of immune dampening or …
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Modified atmosphere packaging of hard grated cheeses
… and sale. Initially, a challenge study with Staphylococcus aureus (S. aureus) was conducted to determine the water activity (Aw) level of high-moisture cheeses necessary to prevent the growth of a food pathogen when packaged under a modified atmosphere (25% CO, and 75% N,). Other microbial …
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Molecular cloning, peptide synthesis and bioactive assessment of a skin defensive peptide, QUB-3055 from the skin secretion of Hylarana latouchii
… effects against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), as the minimum inhibitory concentration (MIC) of QUB-3055 against S. aureus is 1 μM and the MIC of QUB-3055 against E. coli is 4 μM, but it had no obvious effect on Candida albicans (C. albicans) at a concentration …
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The optimization of graphene sensing layer against Escherichia coli
… sensing layer was able to detect E. coli against Staphylococcus aureus (S. aureus) with resistance difference 3.97 Ω and Limit of Detection (LOD) 16 CFU/mL. FE–SEM image shows the dispersion and attachment of E coli on the surface of the sensing layer, compared to the clustering of S. aureus. This …
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Patterns and Predictors of HIV, Sexually Transmitted Infections, and Staphylococcus Aureus Co-Infection among New York State Prison Inmates
… communicable diseases. At the same time, Staphylococcus aureus (S. aureus) colonization and infection rates are elevated in these settings. Moreover, HIV and sexually transmitted infections (STIs) are also prevalent. The purpose of this cross-sectional, correlational secondary analysis was …
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Development And Application Of Biomimetic Electrospun Nanofibers In Total Joint Replacement
… and implant infection (such as that caused by Staphylococcus aureus, S. aureus) are the two main causes of implant failure and loosening. There is a critical need for orthopedic implants that promote rapid osseointegration and prevent bacterial colonization, particularly when placed in bone …
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Identification and functional study of the bioactive peptide QUB-2830 from the skin secretion of the blue-side leaf frog, Agalychnis annae
… coli ATCC CRM8739), a Gram-positive bacterium, Staphylococcus aureus (S. aureus ATCC CRM6538), and a yeast, Candida albicans (C. albicans ATCC CRM10231). For S. aureus, the minimum inhibitory concentration (MIC) was 1 μM, for E. coli, the concentration was 2 μM, for C. albicans, it was 4 μM. In …
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Identification and evaluation of the bioactive peptide QUB-2925 from the defensive skin secretion of Phyllomedusa tomopterna
… CRM8739) at 1 µM, the Gram-positive bacterium, Staphylococcus aureus (S. aureus ATCC CRM6538) at 2 µM and the yeast, Candida albicans (C. albicans ATCC CRM10231) at 8 µM. In the MTT anticancer cell proliferation assay, QUB-2925 significantly inhibited the proliferation of NCI-H838 cells at a …
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The discovery and biological activity evaluation of a novel peptide, QUB-3229, from the defensive skin secretion of the Chinese piebald odorous frog, Odorrana schmackeri
… evaluated against the Gram-positive bacterium, Staphylococcus aureus (S. aureus), the Gram-negative bacterium, Escherichia coli (E. coli) and the fungi, Candida albicans (C. albicans). The minimal inhibitory concentration (MIC) values were 16, 8 and 32 μM, respectively. The peptide showed …
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The Discovery and Functional Evaluation of a Novel Bioactive Peptide, QUB-3411, from the Frog Skin Secretion of Hylarana guentheri
… coli (E. coli), the Gram-positive bacterium, Staphylococcus aureus (S. aureus) and the fungus, Candida albicans (C. albicans) with minimum inhibitory concentrations (MIC) of 2 µM. QUB-3411 showed better potency against human non-small cell lung cancer cell line (NCI-H157) than the human …
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Polysulfone mixed matrix membranes with biosynthesis nanoparticles: enhancement of interface compatibility and antibacterial membrane seperation process
… activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The addition of bio-AgNPs was able to enhance the hydrophilicity of composite PSf membranes which proved by decreasing the value of contact angle. Meanwhile, structure on bottom layer shown a porous bulk with …
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Synthesis and Characterisation of Silver(I)-Bioglues and Assessment of Biological Activity of AgNO3 Against Staphylococcus aureus
… Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus and Methicillin-Resistant Staphylococcus aureus. S. aureus cells exposed to AgNO3 show a short-term increase in the activity of antioxidant enzymes, such as superoxide dismutase, catalase and, to a lesser extent, glutathione …
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Investigation of Cell-wall Targeting Strategies to Combat Antibiotic Resistance in Staphylococcus Aureus
Antibiotic resistant Staphylococcus aureus (S. aureus) includingmethicillin resistant S. aureus (MRSA) and vancomycin intermediate resistant S. aureus (VISA) are a major concern in world health care. MRSA is one of the most prevalent pathogens and causes severe infections in hospital and community …
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