Results 171 to 180 of about 4,052,823 (334)

Oxygen Isotope Alterations during the Reduction of U₃O₈ to UO₂ for Nuclear Forensics Applications. [PDF]

ACS Omega, 2023
Assulin M, Yam R, Grego-Shnaiderman A, Eretz Kdosha Y, Lulu-Bitton N, Elish E, Shemesh A.   +6 more
europepmc   +1 more source

Beyond Formate Trapping: A Mechanistic Framework for Homogeneous CO2‐to‐Methanol Conversion With First‐Row Transition Metals

Angewandte Chemie, EarlyView.
This review shows that converting CO2 into methanol with catalysts based on abundant first‐row metals requires more than overcoming formate formation. Success depends on balancing hydrogen activation, intermediate reactivity, product release, and catalyst stability.
Elise Boudry, Christophe M. Thomas
wiley   +2 more sources

Online CO2 and H2 O oxygen isotope fractionation allows estimation of mesophyll conductance in C4 plants, and reveals that mesophyll conductance decreases as leaves age in both C4 and C3 plants.

New Phytologist, 2016
M. Barbour, John R Evans, K. Simonin, S. von Caemmerer   +3 more
semanticscholar   +1 more source

Configurational Entropy and Compositional Effects in Fe‐Based Oxide 2D Sheets for Nitrate Electroreduction

Advanced Energy Materials, EarlyView.
FeCuCoMnZnOx integrates diverse heteroatomic bridge‐site environments and composition‐dependent electronic structures to promote nitrate activation and sequential hydrogenation toward ammonia, demonstrating that nitrate reduction reaction performance is governed by the combined effects of composition and local coordination rather than configurational ...
Muhammad Usman, Zhehao Sun, Yi‐Lun Chen, Kaili Liu, Xuechen Jing, Soshan Cheong, Zeno R. Ramadhan, Jiayi Chen, Shuwen Cheng, Ary Anggara Wibowo, Daniel Macdonald, Lucy Gloag, Nicholas Cox, Richard D. Tilley, Zongyou Yin   +14 more
wiley   +1 more source

Sulfate triple-oxygen-isotope evidence confirming oceanic oxygenation 570 million years ago. [PDF]

Nat Commun, 2023
Wang H, Peng Y, Li C, Cao X, Cheng M, Bao H.   +5 more
europepmc   +1 more source

Unveiling the Complete Biosynthetic Pathway of Azacitidine: A Rare 1,3,5‐Triazine Nucleoside Derived From GTP

Angewandte Chemie, EarlyView.
The azacitidine biosynthetic gene cluster (aza BGC) was identified by the resistance‐gene‐guided comparative genomics method in Streptomyces mobaraensis IPIO2. The complete biosynthetic pathway of azacitidine, which follows a “base‐first‐then‐glycosylation” logic, was elucidated through in vivo and in vitro experiments.
Dan Wang, Qingxu Meng, Lingqi Hua, Mengjun Sun, Qianjin Kang, Min‐Juan Xu, Linquan Bai   +6 more
wiley   +2 more sources

Chloride‐Mediated Activation of Aluminum‐Alloyed Liquid Metal Anodes for Stretchable Asymmetric Energy Storage

Advanced Energy Materials, EarlyView.
A gallium‐centered cell pairs an aluminum‐alloyed GaIn anode with a GaOOH cathode in a chloride‐rich water‐in‐ionic‐liquid electrolyte. Chlorogallate ions dissolve the native oxide that normally seals the liquid metal, and preferentially reduce indium seeds to oxide‐free clusters on which gallium plates and strips reversibly.
Adit Gupta, Yufei Zhang, Jae Uk Choi, Pooi See Lee   +3 more
wiley   +1 more source

Advancing annually resolved oxygen isotope dendrochronology to overcome wood-dating limitations in the Euro-Atlantic region. [PDF]

PLoS One
Rodríguez-Morata C, Davies D, Loader NJ, McCarroll D, Van Daalen S, Haneca K, Daux V, Domínguez-Delmás M.   +7 more
europepmc   +1 more source

Water use strategies and coexistence mechanisms of desert plants in relation to groundwater depth: evidence from stable oxygen isotope. [PDF]

Front Plant Sci
Chen ZJ, Wu X, Gong L, Zhang JN, Shao CL.   +4 more
europepmc   +1 more source

Guest Transition Metals in Host Keplerate Nanocapsules as Supramolecular Inorganic Functional Mimics of Monooxygenase Enzymes

Angewandte Chemie, EarlyView.
A Keplerate, an inorganic, porous buckyball was used as a host for copper metal cations ligated by histidine surrogates. Prepared by a simple assembly technique, the guest–host complex was used as a primitive biomimetic model of a monooxygenase enzyme complex, where C─H bonds were electrocatalytically hydroxylated by oxygen under reducing conditions ...
Eynat Haviv, Hagai Cohen, Ayelet Vilan, Liat Avram, Ronny Neumann   +4 more
wiley   +2 more sources