Results 81 to 90 of about 240,874 (239)

Graphene Multi-Protonation: a Cooperative Mechanism for Proton Permeation

, 2018
The interaction between protons and graphene is attracting a large interest due to recent experiments showing that these charged species permeate through the 2D material following a low barrier (~ 0.8 eV) activated process.
Bartolomei, Massimiliano, Campos-Martınez, José, Hernández, Marta I., Lamoneda, Ramón Hernández   +3 more
core   +1 more source

Discrete kink dynamics in hydrogen-bonded chains I: The one-component model [PDF]

, 2002
We study topological solitary waves (kinks and antikinks) in a nonlinear one-dimensional Klein-Gordon chain with the on-site potential of a double-Morse type. This chain is used to describe the collective proton dynamics in quasi-one-dimensional networks
A. Godzik, A. V. Zolotaryuk, A.V. Savin, A.V. Savin, A.V. Zolotaryuk, A.V. Zolotaryuk, Chung-I Chou, D.B. Duncan, E.S. Kryachko, E.S. Kryachko, E.S. Kryachko, J.C. Eilbeck, J.F. Nagle, J.H. Weiner, J.L. Marín, J.M. Speight, J.M. Speight, M. Büttiker, M. Büttiker, M. Peyrard, M. Peyrard, M.H. Jensen, N.J. Balmforth, O.M. Braun, O.M. Braun, P. L. Christiansen, R. Grauer, S. Flach, S. Pnevmatikos, S. Pnevmatikos, S. Scheiner, S.F. Mingaleev, V. M. Karpan, V.H. Schmidt, X. Duan, Y. Kashimori, Y. Zolotaryuk, Y. Zolotaryuk, Y.P. Mei, Y.S. Kivshar   +39 more
core   +2 more sources

Biomimetic and Compressible Wood Phase Change Gel With Hierarchically Aligned Lamellar Structure for Controlled Thermal Management

Carbon Energy
The recovery and utilization of ubiquitous low‐grade heat are crucial for mitigating the fossil energy crisis. However, uncontrolled spontaneous heat dissipation limits its practical application.
Jiazuo Zhou, Yifan Liu, Xinbei Jia, Yudong Li, Xiaohan Sun, Xinyao Ji, Yuan Yu, Taikun Yao, Zhuoer Li, Jian Li, Haiyue Yang, Yao Xiao, Wentao Gan, Chengyu Wang   +13 more
doaj   +1 more source

Towards the fabrication of phosphorus qubits for a silicon quantum computer

, 2001
The quest to build a quantum computer has been inspired by the recognition of the formidable computational power such a device could offer. In particular silicon-based proposals, using the nuclear or electron spin of dopants as qubits, are attractive due
A. S. Dzurak, B. E. Kane, B. E. Kane, B. S. Swartzentruber, C. A. Sackett, C. Thirstrup, D. J. Eaglesham, D. Loss, D. P. Adams, D. S. Lin, E. Hill, G. Palasantzas, G. W. Brown, H. Bracht, H. Guo, I. L. Chuang, I. L. Chuang, J A. Jones, J. E. Northrup, J. L. O’Brien, J. R. Tucker, J. W. Lyding, K. Oura, M. Copel, M. E. Hawley, M. F. Crommie, M. Sakurai, M. Y. Simmons, N. J. Curson, N. S. McAlpine, R. G. Clark, R. J. Hamers, R. Vrijen, S. R. Schofield, T. Hashizume, T. Vondrak, T.-C. Shen, W. S. Warren, Zhi-Heng Loh   +38 more
core   +1 more source

Mass Spectrometric Study on 9-Fluorenylmethyloxycarbonyl Group Removal Assisted by 2-Methoxyacetic Acid in Gas Phase [PDF]

Zhipu Xuebao
The detachment of 9-fluorenylmethyloxycarbonyl (Fmoc) from the amino group is widely performed in chemical synthesis reactions, involving peptides, nucleosides, polymers and some other organic compounds.
GAO Xiao-fei1, YAO Ze-hua1, DONG Mao-you1, CHEN Xiang-zhao2
doaj   +1 more source

Poisoning of Hydrogen Dissociation at Pd (100) by Adsorbed Sulfur Studied by ab initio Quantum Dynamics and ab initio Molecular Dynamics

, 1998
We report calculations of the dissociative adsorption of H_2 at Pd (100) covered with 1/4 monolayer of sulfur using quantum dynamics as well as molecular dynamics and taking all six degrees of freedom of the two H atoms fully into account.
A Gross, Burke, C.-M Wei, Comsa, Darling, Gross, Gross, Gross, Gross, Hammer, Karikorpi, Kay, M Scheffler, Perdew, Polanyi, Rendulic, Wei, Wilke, Wilke, Wilke   +19 more
core   +1 more source

Low Barrier Hydrogen Bonds: Getting Close, but Not Sharing...

ACS Central Science, 2015
Judith Klinman discusses the insights Oltrogge and Boxer provide regarding bond cleavage enzymes in their studies of pKa-modified GFPs.
openaire   +4 more sources

Defects Passivation and Performance Enhancement of AlGaN/GaN HEMTs by Supercritical Hydrogen Treatment

IEEE Journal of the Electron Devices Society
In this paper, supercritical hydrogen treatment is used to passivate the defects of normally-on type AlGaN/GaN high electron mobility transistors. By comparing the electrical characteristics of devices before and after the experiment, the treated devices
J. K. Lian, Y. Q. Chen, C. Liu, X. Y. Zhang   +3 more
doaj   +1 more source

Synthesis of Monothiacalix[4]arene Using the Fragment Condensation Approach

Molecules
The article describes a simple and scalable preparation of 2-monothiacalix[4]arene 7, the simplest representative of the mixed-bridged (CH2 and S) calix[4]arenes.
Daniel Kortus, Oliver Moravec, Hynek Varga, Michal Churý, Kamil Mamleev, Jan Čejka, Hana Dvořáková, Pavel Lhoták   +7 more
doaj   +1 more source

Low‐Barrier and Canonical Hydrogen Bonds Modulate Activity and Specificity of a Catalytic Triad

Angewandte Chemie, 2019
AbstractThe position, bonding and dynamics of hydrogen atoms in the catalytic centers of proteins are essential for catalysis. The role of short hydrogen bonds in catalysis has remained highly debated and led to establishment of several distinctive geometrical arrangements of hydrogen atoms vis‐à‐vis the heavier donor and acceptor counterparts, that is,
Prashasti Kumar, Pratul K. Agarwal, M. Brett Waddell, Tanja Mittag, Engin H. Serpersu, Matthew J. Cuneo   +5 more
openaire   +4 more sources