Seasonal variation in natural abundance of 2 H and 18 O in urine samples from rural Nigeria Justin
نویسندگان
چکیده
Justin E. Harbison, Lara R. Dugas, William Brieger, Bamidele O. Tayo, Tunrayo Alabi, Dale A. Schoeller, and Amy Luke Division of Epidemiology, Department of Public Health Sciences, Loyola University School of Medicine, Maywood Illinois; Department of International Health, Bloomberg School of Public Health, John Hopkins University, Baltimore Maryland; Geospatial Laboratory, Research for Development, International Institute of Tropical Agriculture, Ibadan, Nigeria; Department of Nutritional Sciences, University of Wisconsin, Madison, Wisconsin
منابع مشابه
Seasonal variation in natural abundance of 2H and 18O in urine samples from rural Nigeria.
The doubly labeled water (DLW) method is used to measure free-living energy expenditure in humans. Inherent to this technique is the assumption that natural abundances of stable isotopes (2)H and (18)O in body water remain constant over the course of the measurement period and after elimination of the loading dose of DLW will return to the same predose level. To determine variability in the nat...
متن کاملSeasonal variation in natural abundance of H and O in urine samples from rural Nigeria
Justin E. Harbison, Lara R. Dugas, William Brieger, Bamidele O. Tayo, Tunrayo Alabi, Dale A. Schoeller, and Amy Luke Division of Epidemiology, Department of Public Health Sciences, Loyola University School of Medicine, Maywood Illinois; Department of International Health, Bloomberg School of Public Health, John Hopkins University, Baltimore Maryland; Geospatial Laboratory, Research for Developm...
متن کاملSeasonal Variation of Earthworm Abundances and Biomass in Natural Forests and Plantations (North of Iran)
Soil productivity and plant growth are usually affected by biological activities of earthworms. The objective of this study was a comparative evaluation of earthworm abundances in 20-year-old plantations of Alder, Oak, Maple and Cypress with the adjacent natural mixed broad-leaved deciduous forest in the Caspian region of Iran. In this research one sample plot, each 1 ha; was selected in every ...
متن کاملAbundance, diversity and seasonal dynamics of hard ticks infesting cattle in Isfahan province, central Iran
The objectives of this study were to determine the diversity, seasonal dynamics and abundance of ticks infesting cattle in Isfahan zone, Iran. The study was conducted in three traditional cattle farms. No acaricides had been applied to cattle at the selected farms. Adult ticks were collected twice per month from different parts of the cattle's body. Environmental data, including relative humidi...
متن کاملSeasonal and regional distribution of phytoplankton in the southern Caspian Sea
Seasonal distribution of species composition, cell abundance and biomass of phytoplankton of the Caspian Sea were investigated in 2005. This survey were fulfilled in 6 transects and 26 stations A total of 260 samples were collected during winter to autumn in the southern part of Caspian Sea. Totally, 163 species of phytoplankton were identified (71 species Bacillariophyta, 31 species Chlorophy...
متن کامل