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Persulfate oxidizable carbon as an index of organic pollution in wastewater

Creator:: Purkerson, L. Lee
Abstract:: Methods for the detection and measurement of waste materials in water have lagged far behind the many complex problems facing workers in the water pollution field. The present study introduces a new method for the detection and measurement of organic pollution in water. This new method, the persulfate oxidation, is...
Resource Type:: Masters Thesis

Influence of slash burning on microbial population and activities in a Douglas-fir forest soil

Creator:: Neal, John Lloyd
Resource Type:: Masters Thesis

The role of methionine in the metabolism of Micrococcus radiodurans

Creator:: Deeney, Anne O'Connell
Resource Type:: Dissertation
Full Text:: explanation. Hydrogen peroxide increases the yield of OH because the following reaction occurs: H. +H2O2

Methods for the in vitro cultivation of cells from the tissues of salmonid fishes

Creator:: Fryer, John L.
Abstract:: Methods examined for the preparation of cells from tissues of salmonid fishes for primary cultivation were the fragment (explant) and enzyme dispersion techniques. Both methods were employed for the cultivation of a variety of tissues from Pacific salmon, Oncorhynchus spp., and the steelhead trout, Salmo gairdneri gairdneri. A technique was...
Resource Type:: Dissertation
Full Text:: 0.20 Ir tf 0.125 " II II 2.20 II II II 1.00 . It II II 0.02 H II II until use. The Eagle's basal

Control of acid production and β-galactosidase synthesis in lactic streptococci

Creator:: Citti, James Edward
Abstract:: The public health and economic significance of rapid acid production by lactic streptococci in controlled dairy fermentations is well known. However, the fast acid-producing characteristic of these organisms is not stable, and cultures of fast organisms have been shown to contain slow cells. These studies were carried out to characterize...
Resource Type:: Dissertation
Full Text:: induced by the irradiation of a fast culture has been observed recently (Wagner, 1964). Harriman and

Studies on the lipid and fatty acid composition of Micrococcus radiodurans

Creator:: Lewis, Norman Francis
Abstract:: Comparatively little work has been done on bacterial lipids. There are profound differences between bacterial lipids in general and lipids of the higher forms of life in such respects as the absence of sterols, phospholipids low in nitrogen but high in inositol and carbohydrate, the presence of large proportions of...
Resource Type:: Masters Thesis

A study of the fatty acids and lipids of Clostridium botulinum type B

Creator:: Paterno, Visitacion Asi
Abstract:: The difficulties encountered in working with micro-quantities of lipids have been overcome by the advent of new and improved procedures in chromatography which have made possible better fractionation and identification. Bacterial lipids because of their different lipid pattern from other life forms have stimulated much interest. Studies have been made...
Resource Type:: Masters Thesis
Full Text:: traverse the column, the number of theo- retical plates would then be n and H = 1/n Calculated HETP

A physiological approach to a rapid method for identifying C. botulinum

Creator:: Dyer, John Kaye
Abstract:: Disc gel electrophoresis of the vegatative cell -free extracts ofstrains of Clostridium botulinum types A, B, C, E, and F and therelated nontoxic group showed limited value as a means for identifyingthese closely related microorganisms, since separation,though not consistent in all cases, could only be based on the numberof protein...
Resource Type:: Dissertation
Full Text:: the total amount of gas formed by approximately 33 percent. Wagner et al. (1925) observed a

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

Creator:: Au, Frederick Hung Fo
Abstract:: The effect of Endothal (3, 6-endoxyhexahydrophthalic acid), sodium pentachlorophenate (Na-PCP) and TD-47 (di-N, N-dimethylcocoamine salt of Endothal) on the microbial populations, ammonification, nitrification and respiration in six different soils was investigated. It was found that Endothal at 20 and 200 ppm had no adverse effect on the microbial population, ammonification,...
Resource Type:: Dissertation
Full Text:: assistance given under Project 78; Dr. K. C. Lu, Dr. Harry K. Phinney, Dr. Donald Guthrie, Jr., and the

Studies on purification and characterization of an autolytic enzyme from cell walls of Bacillus subtilis

Creator:: Brown, Willie Claiborne
Abstract:: The purpose of this investigation was to purify and characterize the autolytic enzyme from cell walls of Bacillus subtilis 168. The crude enzyme was obtained by autolysis of purified cell walls in buffer at 37° C. Two purification methods were developed. The first involved fractional precipitation with ammonium sulfate. The...
Resource Type:: Dissertation
Full Text:: . Nomura and Hosada (1956) isolated an "autolysin" from Bacillus subtilis H by ammonium sulfate

ScholarsArchive@OSU

Persulfate oxidizable carbon as an index of organic pollution in wastewater

Influence of slash burning on microbial population and activities in a Douglas-fir forest soil

The role of methionine in the metabolism of Micrococcus radiodurans

Methods for the in vitro cultivation of cells from the tissues of salmonid fishes

Control of acid production and β-galactosidase synthesis in lactic streptococci

Studies on the lipid and fatty acid composition of Micrococcus radiodurans

A study of the fatty acids and lipids of Clostridium botulinum type B

A physiological approach to a rapid method for identifying C. botulinum

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

Studies on purification and characterization of an autolytic enzyme from cell walls of Bacillus subtilis

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