Applied And Mechanistic Studies Of Microbial 17beta-Estradiol Degradation,
University of Nebraska - Lincoln
Applied And Mechanistic Studies Of Microbial 17beta-Estradiol Degradation, Zhongtian Li
Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research
The presence of natural estrogens, a class of endocrine disrupting compounds, in water has caused increasing concerns over their adverse impacts on the health of aquatic eco-systems and human beings. In this study, adsorption characteristics of two natural estrogens, 17β-estradiol (E2) and estrone (E1), on granular activated carbon (GAC) were investigated in isotherm tests and in a GAC column. The GAC column was then converted to a biologically active carbon (BAC) column and the removal efficiency of E2 and its primary biodegradation intermediate E1 were monitored. During BAC operation, the impacts of various reactor operation parameters, such as the carbon …
Quantifying Nutrient Throughput And Dom Production By Algae In Continuous Culture,
Case Western Reserve University
Quantifying Nutrient Throughput And Dom Production By Algae In Continuous Culture, Anne Willem Omta
Faculty Scholarship
Freshwater and marine algae can balance nutrient demand and availability by regulating uptake, accumulation and exudation. To obtain insight into these processes under nitrogen (N) and phosphorus (P) limitation, we reanalyze published data from continuous cultures of the chlorophyte Selenastrum minutum . Based on mass budgets, we argue that much of the non-limiting N and P had passed through the organisms and was present as dissolved organic phosphorus or nitrogen (DOP or DON). We construct a model that describes the production of biomass and dissolved organic matter (DOM) as a function of the growth rate. A fit of this model …
Potential New Method: A Comparability Study Of M-Coliblue24 And M-Endo Les For The Verified Recoveries Of Total Coliforms And E. Coli,
Morehead State University
Potential New Method: A Comparability Study Of M-Coliblue24 And M-Endo Les For The Verified Recoveries Of Total Coliforms And E. Coli
Morehead State Theses and Dissertations
A thesis presented to the faculty of the College of Science and Technology at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Kevin Robert Goetz on June 10, 1996.
Disease-Causing Fungi In Homes And Yards In The Midwestern United States,
Advocate Health - Midwest
Disease-Causing Fungi In Homes And Yards In The Midwestern United States, Dennis Baumgardner
Journal of Patient-Centered Research and Reviews
A number of fungal pathogens that may result in a variety of human diseases are found in residential homes and yards. The growth of these microscopic fungi is often favored by particular characteristics of the dwelling and nearby outdoor environment. Evolved virulence factors or increased ability of specific fungi to grow in diverse, and sometimes harsh, microenvironments presented by the domestic environment may promote growth and pathogenesis. Infection may occur by inhalation or direct inoculation and include endemic fungi in addition to opportunistic or emerging species. Systemic or locally aggressive fungal infections are particularly likely and may be life-threatening in …
ไมโครพลาสติกบนตะกอนชายหาดของประเทศไทย,
Chulalongkorn University
การบริหารจัดการขยะมูลฝอยขององค์กรปกครองส่วนท้องถิ่นในประเทศไทย (Solid Waste Management Of Local Administrative Organizations In Thailand),
Chulalongkorn University
การบริหารจัดการขยะมูลฝอยขององค์กรปกครองส่วนท้องถิ่นในประเทศไทย (Solid Waste Management Of Local Administrative Organizations In Thailand)
Thai Environment
No abstract provided.
Temperature Influence And Heat Management Requirements Of Microalgae Cultivation In Photobioreactors,
California Polytechnic State University, San Luis Obispo
Temperature Influence And Heat Management Requirements Of Microalgae Cultivation In Photobioreactors, Thomas Mehlitz
Master's Theses and Project Reports
Microalgae are considered one of the most promising feedstocks for biofuel production for the future. The most efficient way to produce vast amounts of algal biomass is the use of closed tubular photobioreactors (PBR). The heat requirement for a given system is a major concern since the best algae growth rates are obtained between 25-30 °C, depending on the specific strain. A procedure to determine temperature influence on algal growth rates was developed for a lab-scale PBR system using the species Chlorella. A maximum growth rate of 1.44 doublings per day at 29 °C (optimal temperature) was determined. In addition, …
Drivers Of The Taxonomie And Functional Diversity, And Functional Composition Of Fungal Endophyte Communities In Crucifers,
International Centre of Insect Physiology and Ecology
Drivers Of The Taxonomie And Functional Diversity, And Functional Composition Of Fungal Endophyte Communities In Crucifers
All Peer-Reviewed Publications
Ecological traits that filter the occurrence of species and functional groups responding to environmental and other variables are keys to the assembly processes of communities, but little is currently known about these processes for endophytic fungi. A trophic-based joint species distribution model was applied to endophyte occurrence by 110 crucifer-inhabiting fungal species isolated from Brassica rapa, Raphanus sativus and Brassica oleracea, from 21 sites with different landscape compositions and pesticide use over four seasons. We investigated the responses of taxonomie diversity, function diversity and functional composition. Season, plant identity and plant part were significant factors in shaping all indices. Elevation …
การผลิตพลาสติกชีวภาพ การใช้ประโยชน์ และผลกระทบต่อสิ่งแวดล้อม,
Chulalongkorn University
การผลิตพลาสติกชีวภาพ การใช้ประโยชน์ และผลกระทบต่อสิ่งแวดล้อม
Thai Environment
No abstract provided.
Detecting A Probiotic Product Within The Gut Of Broiler Chickens,
California Polytechnic State University, San Luis Obispo
Detecting A Probiotic Product Within The Gut Of Broiler Chickens, Anneka Pisula
Master's Theses and Project Reports
As of January 2017, the U.S. poultry industry banned the use of antibiotics and now relies on alternatives such as probiotics to help protect animal health. Although probiotic use is not a new concept in the poultry industry, identifying the best combination of bacterial strains to generate an effective probiotic formula requires further investigation. This study aimed to detect a probiotic product of four bacterial strains (Pedioccoccus acidilactici, Pediococcus pentosaceus, Lactobacillus plantarum, and Bacillus subtilis) in a feeding trial with broiler chickens. Birds given the probiotic were predicted to show an improved growth performance with …
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