Results 191 to 200 of about 18,269 (245)

Water and Nitrogen Use Strategies and Their Influencing Mechanisms in Typical Desert Shrubs of the Qaidam Basin, Qinghai-Tibet Plateau, China. [PDF]

Plants (Basel)
Zhao Y, Chen H.
europepmc   +1 more source

Nitrooxylation in Organic Synthesis: From Classical Nitrate Ester Formation to Modern Catalytic Strategies

Chemistry – A European Journal, EarlyView.
Nitrooxylation—the installation of nitrate esters (–ONO2) has evolved from classical mixed‐acid protocols to catalytic and mechano‐, flow‐, photo‐, and electrochemical strategies. This review delineates ionic and radical manifolds for C–ONO2 bond formation, emphasizing mechanistic control, selected substrate scope, and selectivity.
Jayanta Dey, Dmitry Katayev
wiley   +1 more source

Oceanographic regime and foraging behaviour structure compound-specific PFAS variability in arctic-atlantic guillemots. [PDF]

Environ Sci Ecotechnol
Shen R, Ebinghaus R, Vassão DG, Ratcliffe N, Larsen T.   +4 more
europepmc   +1 more source

Evaluating the role of coral trophic strategies in driving community shifts in response to heat stress via stable isotopes-based modeling. [PDF]

BMC Biol
Zheng Y, Wang Q, Deng C, Xiao B, Zheng X.   +4 more
europepmc   +1 more source

Nitrogen Isotope Effects in Urea Metabolism: From Biochemistry to ¹⁵N Natural Abundance in Cancer. [PDF]

Int J Mol Sci
Tea I, Tcherkez G.
europepmc   +1 more source

High variability in carbon stable isotopes in the macroalga Ulva spp. and implications for eutrophication indicators. [PDF]

Sci Rep
Lloret J.
europepmc   +1 more source

Isotope analyses reveal chronological and bioarchaeological consistency at a tribal community of the Sântana de Mureș-Chernyakhov culture in Transylvania. [PDF]

Sci Rep
Major I, Horváth A, Futó I, Gál SS, Szigeti A, Molnár M, Körösfői Z.   +6 more
europepmc   +1 more source

No pervasive relationship between phyllosphere nitrifier abundance and canopy nitrification in European forests. [PDF]

Natl Sci Rev
Zhang Y, Chen J, Zhang F, Duan X, Cheng X, Fang J, Reich PB.   +6 more
europepmc   +1 more source

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Mercury and Stable Isotopes of Carbon and Nitrogen in Mink

Environmental Toxicology and Chemistry, 2007
Abstract Total Hg concentrations and values of stable isotopes (δ15N, δ13C) in tissues of mink (Mustela vison) captured in Rhode Island (USA) during winters of 1999 to 2004 were statistically distinct based on location. Mink captured in salt marsh environments (salt marsh group mink [SMGM]) had significantly lower mean Hg concentrations ...
James L, Lake, Stephan A, Ryba, Jonathan, Serbst, Charles F, Brown, Lori, Gibson   +4 more
openaire   +2 more sources

Stable Carbon and Nitrogen Isotopic

Aquatic Geochemistry, 2004
The perennially ice-covered lakes in the McMurdo Dry Valleys, Antarctica, are part of the coldest and driest ecosystem on earth. To understand lacustrine carbon and nitrogen cycling in this end-member ecosystem, and to define paleolimnological proxies for ice-covered lakes, we measured the stable carbon and nitrogen isotopic composition of particulate ...
Jennifer Lawson, Peter T Doran, Fabien Kenig, David J Des marais, John C Priscu   +4 more
openaire   +1 more source