508,308 results match your criteria: "Isotopes"

E
Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling.
R B Firestone, A West, J P Kennett, L Becker, T E Bunch

Proc Natl Acad Sci U S A· October 2007

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Biological effects of deuteronation: ATP synthase as an example.
Abdullah Olgun

Theor Biol Med Model· February 2007

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Retrospective birth dating of cells in humans.
Kirsty L Spalding, Ratan D Bhardwaj, Bruce A Buchholz, Henrik Druid, Jonas Frisén

Cell· July 2005

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Acute response of net muscle protein balance reflects 24-h balance after exercise and amino acid ingestion.
Kevin D Tipton, Elisabet Borsheim, Steven E Wolf, Arthur P Sanford, Robert R Wolfe

January 2003

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Conversion of alpha-linolenic acid to eicosapentaenoic, docosapentaenoic and docosahexaenoic acids in young women.
Graham C Burdge, Stephen A Wootton

Br J Nutr· October 2002

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Essential amino acids and muscle protein recovery from resistance exercise.
Elisabet Børsheim, Kevin D Tipton, Steven E Wolf, Robert R Wolfe

October 2002

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Lipid metabolism during fasting.
M D Jensen, K Ekberg, B R Landau

Am J Physiol Endocrinol Metab· October 2001

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D
Deep-Earth reactor: nuclear fission, helium, and the geomagnetic field.
D F Hollenbach, J M Herndon

Proc Natl Acad Sci U S A· September 2001

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Nicotinamide increases biosynthesis of ceramides as well as other stratum corneum lipids to improve the epidermal permeability barrier.
O Tanno, Y Ota, N Kitamura, T Katsube, S Inoue

September 2000

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2 2 33 9

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Heart-rate recovery immediately after exercise as a predictor of mortality.
C R Cole, E H Blackstone, F J Pashkow, C E Snader, M S Lauer

October 1999

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Lipolytic suppression following carbohydrate ingestion limits fat oxidation during exercise.
J F Horowitz, R Mora-Rodriguez, L O Byerley, E F Coyle

October 1997

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An abundant supply of amino acids enhances the metabolic effect of exercise on muscle protein.
G Biolo, K D Tipton, S Klein, R R Wolfe

Am J Physiol· July 1997

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D
Dietary cholesterol feeding suppresses human cholesterol synthesis measured by deuterium incorporation and urinary mevalonic acid levels.
P J Jones, A S Pappu, L Hatcher, Z C Li, D R Illingworth

October 1996

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E
Energy metabolism in free-living, 'large-eating' and 'small-eating' women: studies using 2H2(18)O.
D Clark, F Tomas, R T Withers, C Chandler, M Brinkman

July 1994

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Unusual resistance of peptidyl transferase to protein extraction procedures.
H F Noller, V Hoffarth, L Zimniak

Science· June 1992

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Synthesis of Perdeuterated Pentane and THF Under Mild Conditions by Silica-Supported Ta/M (M = Co, Ir) Heterobimetallic Catalysts.
Andrey V Pichugov, Abdelhak Lachguar, Vincent Maurel, Serge Gambarelli, Jean-Marie Mouesca

Angew Chem Int Ed Engl· December 2025

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Metal-Mediated Nitrogen Doping of Carbon Supports Boosts Hydrogen Production from Ammonia.
Thomas J Liddy, Benjamin J Young, Emerson C Kohlrausch, Andreas Weilhard, Gazi N Aliev

Angew Chem Int Ed Engl· December 2025

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C
Conventional versus Monte Carlo SPECT reconstruction of Lu-177: Toward reduced bias and variance in quantitative imaging.
Lucas A Polson, Pedro Esquinas, Sara Kurkowska, Chenguang Li, Carlos Uribe

Med Phys· January 2026

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A
Aggregation kinetics and stability of Ce(IV)-borate colloid: Effect of pH, electrolytes, gibbsite colloid, and humic acid colloid.
Kang Chen, Rui Zhang, Chunsheng Shi, Shanrong Yuan, Zishuo Li

J Contam Hydrol· December 2025

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Field investigation for enhanced in-situ removal of nitrate from groundwater stimulated by the combined injection of acetate and nano zero-valent iron.
Oriol Gibert, Eva Mena Gil, Isabel María Hurtado Melgar, Pablo Cascales de Paz, Salvador Bueso Sánchez

Sci Total Environ· December 2025

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E
Exploring N-nitrosodimethylamine formation induced from water flocculants by isotope tracking and spectral analysis.
Guodong Yang, Dong An, Yunkun Qian, Yanan Chen, Xinshan Song

Water Res· December 2025

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A
Autochthonous particulate organic carbon drives extreme carbon fluxes in river-reservoir systems: Potential role of interactions between picophytoplankton and heterotrophic bacteria.
Fang Luo, Zhe Li, Dianchang Wang, Qiong Tang, Yan Xiao

Water Res· December 2025

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C
Cadmium accumulation and isotope fractionation in soil-oilseed rape (Brassica napus L.) system in a typical Karst region.
Weihai Yu, Guangyi Sun, Heng Yao, Xian Wu, Zhe Liu

J Hazard Mater· December 2025

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[18F-PSMA PET/CT imaging following biochemical recurrence of prostate cancer].
Domonkos Nádasdy-Horváth, Márton Piroska, Sándor Czibor, Zsolt Varga, Gyula Tóth

Orv Hetil· December 2025

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P
Pitfalls in Probing Singlet Oxygen by Electron Paramagnetic Resonance Spectroscopy in Engineered Environmental Systems.
Yang Zong, Long Chen, Jing-Hang Wu, Fuqiang Liu, Xiaohong Guan

Environ Sci Technol· December 2025

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U
Unexpected migration patterns in a high-latitude breeding songbird: evidence from multi-sensor geolocators and isotopes.
Stephanie J Szarmach, Johanna K Beam, Mads Moore, Benjamin M Van Doren, Alan Brelsford

Mov Ecol· December 2025

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U
U and U relationships in groundwater of Itararé Group, São Paulo State, Brazil.
Carlos Pinto Fracalossi, Peter Christian Hackspacher, Daniel Marcos Bonotto

J Environ Radioact· December 2025

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C
Comparative evaluation of immunoaffinity and antibody-free isotope dilution mass spectrometry approaches for plasma ProGRP quantification.
Jiahui Li, Huan Yao, Qiaoxuan Zhang, Yuqi Yan, Xinling Cui

Anal Bioanal Chem· December 2025

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R
Recent Changes in the Use of Phototrophy by a Mixotrophic Testate Amoeba Inferred from δC Measurements from an Arctic Peat Core.
Alexis R Stansfield, Robert K Booth, David M Nelson, Jonathan Johnson

Microb Ecol· December 2025

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R
Radiological assessment and dose evaluation from natural radionuclides in common pasta.
Hossein Sadeghi, Reza Pourimani, Mohadese Feyzi

Sci Rep· December 2025

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Fullerene-decorated PdCo nano-resistor network hydrogen sensors with sub-second response and parts-per-billion detection at room temperature.
Tu Anh Ngo, Ashwin T Magar, Minh T Pham, Hoang M Luong, Thi Thu Trinh Phan

Nat Commun· December 2025

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T
Trace Ruthenium Anchored on Nickel Phosphide Steers Hydrogen Atom Transfer for Efficient Nitrate-to-Ammonia Electroreduction.
Yinghao Xue, Raner Ma, Yan Jia, Hanxue Wang, Wei-Xian Zhang

Environ Sci Technol· December 2025

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E
Effect of free fatty acids on TGF-β1 mediated fibrogenesis in hepatic stellate cells.
William De Nardo, Jacqueline Bayliss, Sheik Nadeem Elahee Doomun, Olivia Lee, Paula M Miotto

Mol Metab· December 2025

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H
How does habitat use influence PFAS contamination in wildlife? Combining stable isotopes and GPS tracking in three gull species.
David Rozen-Rechels, Prescillia Lemesle, William Jouanneau, Manrico Sebastiano, Stephanie M Harris

Environ Pollut· December 2025

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E
Elucidating groundwater anthropogenic contamination sources in an agricultural area impacted by urban stressors - A multi-isotope approach combined with emerging organic compounds.
Lamine Boumaiza, Romain Chesnaux, Frédéric Huneau, Bernhard Mayer, Nabil Bougherira

Environ Res· December 2025

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E
Evidence for the Dimuon Decay of the Higgs Boson in pp Collisions with the ATLAS Detector.
G Aad, E Aakvaag, B Abbott, S Abdelhameed, K Abeling

Phys Rev Lett· December 2025

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β-Decay Half-Lives of Neutron-Rich Sulfur to Potassium: Evolution of the N=32 and 34 Subshell Closures below Calcium.
Q B Zeng, S Nishimura, V H Phong, S Yoshida, Z H Li

Phys Rev Lett· December 2025

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A
Artifact-free ultralow-temperature DNP-enhanced NMR of molecular assemblies at natural isotopic abundance.
Quentin Reynard-Feytis, Subhradip Paul, Sabine Hediger, Gaël De Paëpe

Sci Adv· December 2025

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Quality, Authenticity, and Classification of Honeys Produced in Muğla Province, Türkiye.
Yunus Çetintaş

J Food Sci· December 2025

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Haptoglobin and Hemopexin Redirect Heme-Driven Oxidative Stress and Neurotoxicity in Organotypic Brain Slices.
Anna-Lea T Stalder, Raphael M Buzzi, Florence Vallelian, Dominik J Schaer

ACS Chem Neurosci· December 2025

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C
Correction to "Stable Isotope Reference Materials and Scale Definitions-Outcomes of the 2024 IAEA Experts Meeting".

Rapid Commun Mass Spectrom· March 2026

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M
Microwave spectroscopy of partially and fully deuterated HCl dihydrate clusters.
Arun Bhujel, Salma Akter, Surendra Sharma, Muhammad Qasim Ali, Cole Hawkins

J Chem Phys· December 2025

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