Results 111 to 120 of about 270,244 (281)

Electronic origins of the stereochemistry in β-lactam formed through the Staudinger reaction catalyzed by a nucleophile. [PDF]

RSC Adv, 2023
Pahlavan F, Moosavi SS, Zolghadr AR, Iranpoor N.   +3 more
europepmc   +1 more source

The Gibbs Free Energy

AbstractThis chapter introduces the Gibbs free energy and its relevance for the direction of phase changes and reactions. The dependence of Gibbs free energy on temperature and pressure is presented and used to derive the (Clausius-)Clapeyron relation. One-component phase diagrams and Gibb’s phase rule are presented.
openaire   +1 more source

Photoresponsive Adaptive Reconfiguration of Single‐Atom Interface With Intermittent Light and Soft Ionic Lattices

Advanced Materials, EarlyView.
We present a photoresponsive platform that integrates SACs with halide perovskite supports, turning perovskite ion mobility, typically a stability concern, into a functional mechanism for light‐regulated self‐repair and reversible atomic reconfiguration. Adaptive metal‐support interactions are established through bandgap‐funnel engineering and the soft
Li Yu, Jui‐Cheng Kao, Yuefeng Zhang, Chun Hong Mak, Yu‐Chieh Lo, Chun‐Wei Pao, Jyh‐Pin Chou, Zhenbin Wang, Ting‐Shan Chan, Hao Ming Chen, Hsien‐Yi Hsu   +10 more
wiley   +1 more source

Hysteresis and thermodynamic properties of water sorption in ‘Malagueta’ pepper seeds

Revista Brasileira de Engenharia Agrícola e Ambiental
The objective of this study was to determine hysteresis, enthalpy, entropy, enthalpy-entropy compensation theory and Gibbs free energy for water adsorption and desorption in ‘Malagueta’ pepper seeds.
Hellismar W. da Silva, Renato S. Rodovalho, Isneider L. Silva   +2 more
doaj   +1 more source

New insights into the mechanism of synergetic photoredox/copper(i)-catalyzed carbocyanation of 1,3-dienes: a DFT study. [PDF]

Chem Sci, 2023
Liu Y, Feng A, Zhu R, Zhang D.
europepmc   +1 more source

Ga‐on‐In Substitution with Zn Vacancies in Zn3In2S6 Induces Electron–Hole Asymmetry and In─O Bond Weakening for Coupled Two‐Electron Oxygen Reduction and H2O2 Stabilization

Advanced Materials, EarlyView.
Ga‐on‐In substitution coupled with Zn vacancies in Zn3In2S6 creates a dopantdefect synergy that weakens InO bonding and induces electronhole asymmetry. The resulting spatial charge separation directs the two‐electron oxygen reduction pathway, enabling efficient artificial photosynthesis of H2O2 with a production rate of 187.8 µmol g−1 min−1 ...
Xiaowen Ruan, Chunsheng Ding, Dongxu Jiao, Jing Leng, Minghua Xu, Bonan Li, Zhipeng Yu, Xiaoqiang Cui, Jimmy C. Yu, Yongfa Zhu, Sai Kishore Ravi   +10 more
wiley   +1 more source

Activating a Metallization Switch for Record Hydrogen Evolution in Single‐Atom Modified Polar MOF Piezocatalysts

Advanced Materials, EarlyView.
ABSTRACT Piezocatalytic hydrogen evolution enables the conversion of mechanical energy into chemical fuels, but its efficiency is constrained by a trade‐off between piezoelectric polarization and electronic conductivity. Strong piezoelectric polarization is essential for sufficient driving force, yet highly polar materials typically suffer from poor ...
Chongyan Hao, Xinwei Guan, Yang Wu, Lingfeng Zhu, Yiwen Mai, Thomas Frauenheim, Zhenping Fu, Yalin Lu, Shidong Wang, Hanxing Liu, Hua Hao, Shujun Zhang, Zhenxiang Cheng, Xiaoning Li   +13 more
wiley   +1 more source

Oxygen Evolution Reaction Catalysts for Acidic‐Media CO2 Electrolyzers

Advanced Materials, EarlyView.
Acidic‐media CO2 electroreduction (CO2R) could decarbonize chemical production, despite relying on rare‐earth elements for anodic oxygen evolution reaction (OER). Transferring the learnings from mature sister technologies (water electrolysis) could accelerate technological development.
Mingcheng Huang, Adnan Ozden
wiley   +1 more source

Has the human biological interaction with SARS‐CoV2 variants entered a pliant “Faustian bargain”?

Pharmacology Research & Perspectives
We hypothesize that a “Faustian bargain”—the trading of increased SARS—CoV2 viral infection with a concurrent potential for prevention of life‐threatening lower lung infection explains the previous and future morbidity and mortality from COVID‐19 ...
Richard J. Head, Marko Popovic, Jennifer H. Martin   +2 more
doaj   +1 more source

Evaluating Theoretical Solvent Models for Thermodynamic and Structural Descriptions of Dacarbazine–Cyclodextrin Complexes. The Theoretical and Conductometric Study

Molecules
In this study, the influence of various implicit solvent models on the structural and thermodynamic properties of dacarbazine complexes with three cyclodextrins—α-CD, HP-β-CD, and HE-β-CD—was evaluated.
Zdzisław Kinart, Marta Hoelm, Martyna Imińska   +2 more
doaj   +1 more source