Users in stable isotope analysis daily meet new challenges. Application-oriented solutions are the key to an effective way of working more
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Researchers from the University of Cincinnati recently studied the sources of methane at three sites across the nation in order to better understand this greenhouse gas, which is much more potent at trapping heat in the atmosphere than is carbon dioxide. The UC team, led by Amy Townsend-Small, assis more
Nitrogen fertilizer applied to crops lingers in the soil and leaks out as nitrate for decades towards groundwater – "much longer than previously thought," scientists in France and at the University of Calgary say in a new study. Thirty years after synthetic nitrogen (N) fertilizer had been applied t more
A new study is examining methane and other components in groundwater wells, in advance of drilling for shale gas that’s expected over the next several years in an Ohio region. The team of UC researchers spent a year doing periodic testing of groundwater wells in Carroll County, Ohio, a section of Oh more
Publication date: 20 April 2018 Source:Marine Chemistry, Volume 201 Author(s): Seth G. John, Joshua Helgoe, Emily Townsend The distribution of Zn and Cd and their stable isotope ratios (δ66Zn and δ114Cd) were measured on samples from the Eastern Subtropical South Pacific Zonal Transect ( more
Publication date: Available online 31 January 2018 Source:Organic Geochemistry Author(s): Lívia G.M.S. Cordeiro, Angela L.R. Wagener, Renato S. Carreira Lipid biomarkers [fatty acids (FAs), sterols and alcohols] and carbon stable isotopes (δ13C values) in surface sediments from 9 cross s more
Modern proteomics requires reagents for exact quantification of peptides in complex mixtures. Peptide labelling is most typically achieved with isobaric tags that consist of a balancer and a reporter part that separate in the gas phase. An ingenious distribution of stable isotopes provides multipl more