Search Results - "Reto S. Wijker"

Raman-guided subcellular pharmaco-metabolomics for metastatic melanoma cells by Du, Jiajun, Su, Yapeng, Qian, Chenxi, Yuan, Dan, Miao, Kun, Lee, Dongkwan, Ng, Alphonsus H. C., Wijker, Reto S., Ribas, Antoni, Levine, Raphael D., Heath, James R., Wei, Lu

“…Non-invasively probing metabolites within single live cells is highly desired but challenging. Here we utilize Raman spectro-microscopy for spatial mapping of…”
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Biosynthetic and catabolic pathways control amino acid δ2H values in aerobic heterotrophs by Silverman, Shaelyn N., Wijker, Reto S., Sessions, Alex L.

“…The hydrogen isotope ratios (δ 2 H AA values) of amino acids in all organisms are substantially fractionated relative to growth water. In addition, they…”
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Isotope Effects as New Proxies for Organic Pollutant Transformation by Thomas B. Hofstetter, Jakov Bolotin, Sarah G. Pati, Marita Skarpeli-Liati, Stephanie Spahr, Reto S. Wijker

“…Assessing the pathways and rates of organic pollutant transformation in the environment is a major challenge due to co-occurring transport and degradation…”
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Hydrogen isotope fractionation is controlled by CO 2 in coccolithophore lipids by Torres-Romero, Ismael, Zhang, Hongrui, Wijker, Reto S, Clark, Alexander J, McLeod, Rachel E, Jaggi, Madalina, Stoll, Heather M

“…Hydrogen isotope ratios (δ H) represent an important natural tracer of metabolic processes, but quantitative models of processes controlling H-fractionation in…”
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Hydrogen isotope fractionation is controlled by CO2 in coccolithophore lipids by Torres-Romero, Ismael, Zhang, Hongrui, Wijker, Reto S, Clark, Alexander J, McLeod, Rachel E, Jaggi, Madalina, Stoll, Heather M

“…Hydrogen isotope ratios (δ2H) represent an important natural tracer of metabolic processes, but quantitative models of processes controlling H-fractionation in…”
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2H/1H variation in microbial lipids is controlled by NADPH metabolism by Wijker, Reto S, Sessions, Alex L, Fuhrer, Tobias, Phan, Michelle

“…The hydrogen-isotopic compositions (2H/1H ratios) of lipids in microbial heterotrophs are known to vary enormously, by at least 40% (400‰) relative. This is…”
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2 H/ 1 H variation in microbial lipids is controlled by NADPH metabolism by Wijker, Reto S, Sessions, Alex L, Fuhrer, Tobias, Phan, Michelle

“…The hydrogen-isotopic compositions ( H/ H ratios) of lipids in microbial heterotrophs are known to vary enormously, by at least 40% (400‰) relative. This is…”
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Isotopic Analysis of Oxidative Pollutant Degradation Pathways Exhibiting Large H Isotope Fractionation by Wijker, Reto S, Adamczyk, Pawel, Bolotin, Jakov, Paneth, Piotr, Hofstetter, Thomas B

“…Oxidation of aromatic rings and its alkyl substituents are often competing initial steps of organic pollutant transformation. The use of compound-specific…”
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Isotope fractionation associated with the simultaneous biodegradation of multiple nitrophenol isomers by Pseudomonas putida B2 by Wijker, Reto S, Zeyer, Josef, Hofstetter, Thomas B

“…Quantifying the extent of biodegradation of nitroaromatic compounds (NACs) in contaminated soils and sediments is challenging because of competing oxidative…”
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Using Compound-Specific Isotope Analysis to Assess Biodegradation of Nitroaromatic Explosives in the Subsurface by Wijker, Reto S, Bolotin, Jakov, Nishino, Shirley F, Spain, Jim C, Hofstetter, Thomas B

“…Assessing the fate of nitroaromatic explosives in the subsurface is challenging because contaminants are present in different phases (e.g., bound to soil or…”
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Isotope Fractionation Associated with the Biodegradation of 2- and 4‑Nitrophenols via Monooxygenation Pathways by Wijker, Reto S, Kurt, Zohre, Spain, Jim C, Bolotin, Jakov, Zeyer, Josef, Hofstetter, Thomas B

“…Monooxygenation is an important route of nitroaromatic compound (NAC) biodegradation and it is widely found for cometabolic transformations of NACs and other…”
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Temperature-dependent carbon isotope fractionation in coccolithophores by Torres-Romero, Ismael, Clark, Alexander J., Wijker, Reto S., Jaggi, Madalina, Zhang, Hongrui, Stoll, Heather M.

“…Introduction: The stable carbon isotope ratio of long-chain alkenones produced by marine haptophyte phytoplankton has often been used to estimate past…”
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Microbial succession and dynamics in meromictic Mono Lake, California by Phillips, Alexandra A., Speth, Daan R., Miller, Laurence G., Wang, Xingchen T., Wu, Fenfang, Medeiros, Patricia M., Monteverde, Danielle R., Osburn, Magdalena R., Berelson, William M., Betts, Hannah L., Wijker, Reto S., Mullin, Sean W., Johnson, Hope A., Orphan, Victoria J., Fischer, Woodward W., Sessions, Alex L.

“…Mono Lake is a closed‐basin, hypersaline, alkaline lake located in Eastern Sierra Nevada, California, that is dominated by microbial life. This unique…”
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A DFT study of permanganate oxidation of toluene and its ortho-nitroderivatives by Adamczyk, Paweł, Wijker, Reto S., Hofstetter, Thomas B., Paneth, Piotr

“…Calculations of alternative oxidation pathways of toluene and its ortho -substituted nitro derivatives by permanganate anion have been performed. The…”
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Biosynthetic and catabolic pathways control amino acid δ 2 H values in aerobic heterotrophs by Silverman, Shaelyn N, Wijker, Reto S, Sessions, Alex L

“…The hydrogen isotope ratios (δ H values) of amino acids in all organisms are substantially fractionated relative to growth water. In addition, they exhibit…”
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H/¹H variation in microbial lipids is controlled by NADPH metabolism by Wijker, Reto S., Sessions, Alex L., Fuhrer, Tobias, Phan, Michelle

“…The hydrogen-isotopic compositions (²H/¹H ratios) of lipids in microbial heterotrophs are known to vary enormously, by at least 40% (400‰) relative. This is…”
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Enzyme Kinetics of Different Types of Flavin-Dependent Monooxygenases Determine the Observable Contaminant Stable Isotope Fractionation by Wijker, Reto S., Pati, Sarah G., Zeyer, Josef, Hofstetter, Thomas B.

“…The assessment of oxidative pollutant biotransformation by compound specific isotope analysis (CSIA) is often complicated by the variability of kinetic isotope…”
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