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University of the Pacific Theses and Dissertations

Antibiotics

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In Vitro Activity Of Cephalosporins Against Selected Gram Negative Bacilli : [A Thesis], Sally E. Channing Jan 1987

In Vitro Activity Of Cephalosporins Against Selected Gram Negative Bacilli : [A Thesis], Sally E. Channing

University of the Pacific Theses and Dissertations

The in vitro activity of twelve cephalosporins (first generation: Cephalothin, Cefazolin; second generation: Cefoxitin, Cefamandole, Cefuroxime, Cedonicid; third generation: Ceftazidime, Ceftizoxime, Cefotaxime, Cefoperazone, Ceftriaxone, Moxalactam) were studied against 146 strains of Gram negative bacilli belonging to the following families: Enterobacteriaceae Proteus vulgarius (2), P. mirabilis (5), Providencia stuartti (6), P. alkalifaciens (5), Morganella morganii (16), Serratia marcescens (14), Enterobacter cloacae (17), E. aerogenes (9), Kluyvera ascorbata (3), Citrobacter freundii (14), C. diversus (3), C. amalonaticus (1), Yersinia intermedia (1), Y. enterocolitica (2); Pseudomonadaceae: Pseudomonas aeruginosa (31), P. fluorescens (3); Neisseriacaee: Acinetobacter anitratus (3), Acinetobacter lwoffi (1); and Vibrionaceae: Aeromonas hydrophilia …


Antimicrobial Activity Of Plant Extracts, Melinda J. Seid Jan 1978

Antimicrobial Activity Of Plant Extracts, Melinda J. Seid

University of the Pacific Theses and Dissertations

The purpose of this study was to investigate a possible antimicrobial activity in the following plants: Brunfelsia hopeana, Anemopsis californica, and Heimia salicifolia against Staphylococcus aureus, a Gram-positive coccus, Escherichia coli, a Gram-negative fermenter, Pseudomonas aeruginosa, a Gram-negative non-fermenter, and the yeast Candida albicans.


Biochemical And Antibiogram Characteristics Of Certain Enterobacteriaceae, John Shaffer Jan 1978

Biochemical And Antibiogram Characteristics Of Certain Enterobacteriaceae, John Shaffer

University of the Pacific Theses and Dissertations

This study is a continuation of the investigations of Hall (1976), Storey (1977), and Berkowitz (1978) on antimicrobial susceptibility patterns of bacteria isolated from local hospitals in Stockton, California. It extends the work of Hall (1976) on the K-E-S group to include three species of Proteus and Escherichia coli. New antibiotics (tobramycin, amikacin and cefamandole) are also added to the antibiogram.


Studies On An Antibiotic-Producing Strain Of Bacillus Megaterium X, Kishori Madhukar Chaubal Jan 1970

Studies On An Antibiotic-Producing Strain Of Bacillus Megaterium X, Kishori Madhukar Chaubal

University of the Pacific Theses and Dissertations

On July 10, 1968, while observing the effects of ultra-violet light on a plate culture of Sarcino lutea, o contaminant was found growing in the form of a colony surrounded by a clear zone of inhibition where S. lutea had failed to grow. A smear from this contaminant colony was found to contain a Gram positive, chain-ond spore-forming bacillus. The organism was isolated and its antagonism against S. lutea was reshocked. Preliminary investigation of its activity against other bacteria indicated that this activity was directed against 5. lutea only. I was decided to continue the investigations with two aims in …