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Microbial Degradation Of Oxalate In The Gastrointestinal Tracts Of Rats, Steven L. Daniel
Microbial Degradation Of Oxalate In The Gastrointestinal Tracts Of Rats, Steven L. Daniel
Steven L. Daniel
Rates of oxalate degradation by mixed bacterial populations in cecal contents from wlld rats ranged from 2.5 to 20.6 µmol/g (dry weight) per h. The oxalate-degrading activity in cecal contents from three strains of laboratory rats (Long-Evans, Wistar, and Sprague-Dawley) from four commercial breeders was generally lower, ranging from 1.8 to 3.5 µmollg (dry weight) of cecal contents per h. This activity did not increase when diets were supplemented with oxalate. Wben Sprague-Pawley rats from a fifth commercial breeder were fed an oxalate diet, rates of oxalate degradation in cecal contents increased from 2.0 to 23.1 µmollg (dry weight) per …
Carbon Monoxide-Dependent Chemolithotrophic Growth Of Clostridium Thermoautotrophicum, M. Dean Savage, Zhongren Wu, Steven L. Daniel, Leon L. Lundie Jr, Harold L. Drake
Carbon Monoxide-Dependent Chemolithotrophic Growth Of Clostridium Thermoautotrophicum, M. Dean Savage, Zhongren Wu, Steven L. Daniel, Leon L. Lundie Jr, Harold L. Drake
Steven L. Daniel
The acetogen Clostridium thermoautotrophicum was cultivated under CO-dependent chemolithotrophic conditions. CO-dependent growth profiles and energetics indicated that supplemental CO2 was fundamental to efficient growth at the expense of CO. Overall product stoichiometry approximated 6.5CO --> CH3CO2H + 3.5CO2 + 0.6 cell C + 0.5 unrecovered C. Initial CO/CO2 ratios of 2 to 4 yielded optimal doubling times and cell yields. Maximal YCO values approximated 2.5 g of cell dry weight per mol of CO consumed; Y H2 , was considerably lower than Y CO Cross-transfer growth experiments and protein profiles indicated differential expression of genes between CO and methanol cultures.
Information Sources Used By High School Seniors, Charles G. Eberly
Information Sources Used By High School Seniors, Charles G. Eberly
Charles G. Eberly
College choice is a critical decision facing many high school students. Although some research has examined where students go for help in making college choices, few studies have examined how race or gender differences of the students or differences in their standardized test scores affect their information sources. Entering college freshmen (N=3,708) indicated which ~f nine information sources (college students, friends, high school counselor, college publication, family, alumni, high school teacher, newspaper, tel~vision) they used in selecting a college.
Responses were analyzed separately for females and males, blacks and whites, in each of four American College Testing (ACT) score categories. …
The Genera Of Cyperaceae In The Southeastern United States, Gordon C. Tucker
The Genera Of Cyperaceae In The Southeastern United States, Gordon C. Tucker
Gordon C. Tucker
No abstract provided.
Additions To The Flora Of Connecticut, Gordon C. Tucker
Additions To The Flora Of Connecticut, Gordon C. Tucker
Gordon C. Tucker
Three species of vascular plant are newly recorded for the flora of Connecticut. These are: Linaria dalmatica 1L. (Scrophulariaceae ): Eupatorium album L., and Aster blakei (Porter) House (Compositae).