Results 161 to 170 of about 701 (211)

DNA‐Templated 2D Heterostructures as Phototriggered Dynamic Nanohybrids: From Releasing Molecular Loads to Controlling Enzyme Biocatalytic Function

Advanced Functional Materials, EarlyView.
DNA strands are employed both as dynamic linkers and nanoscale templates for the integration of Ag2S nanoparticles on MoS2, which in turn imparted photothermal responsiveness; this feature permits the selective cargo (fluorophore, quantum dots or an enzyme) release from the MoS2 surface in response to local heat induced by light irradiation.
Kai Chen, Haosen Miao, Weiying Hong, Matteo Palma   +3 more
wiley   +1 more source

Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework

Advanced Functional Materials, EarlyView.
The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu, Jun Xu, Minmin Fan, Jingcheng Xu, Mengyuan Li, Yun Gong, Weiwei Yang, Lei Li, Yong Zhou, Deqiang Zhao, Yuhua Xue, Xingtao Xu, Chang Q. Sun, Liming Dai   +13 more
wiley   +1 more source

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Microscopic models for nuclear reaction rates

Journal of Physics G: Nuclear and Particle Physics, 1993
Reports on a microscopic description of low-energy nuclear reactions, in the framework of the generator coordinate method. The model is briefly presented and illustrated by applications to the 7Li(n, gamma )8Li, 7Be(p, gamma )8B, and 12C( alpha , gamma )16O capture reactions and to the 8Li( alpha ,n)11B transfer reaction.
Pierre Descouvemont
exaly   +4 more sources

Global Microscopic Models for Nuclear Reaction Calculations

AIP Conference Proceedings, 2005
Important effort has been devoted in the last decades to measuring reaction cross sections. Despite such effort, many nuclear applications still require the use of theoretical predictions to estimate experimentally unknown cross sections. Most of the nuclear ingredients in the calculations of reaction cross sections need to be extrapolated in an energy
exaly   +3 more sources

Overview of nuclear reaction models used in nuclear data evaluation

Radiochimica Acta, 2001
A brief outline of nuclear reaction mechanisms including the optical model, the Distorted Wave Born Approximation, the Coupled Channels, classical and quantum-mechanical preequilibrium models and the Compound Nucleus is given. The relations among different nuclear reaction and structure models are indicated.
Michal Herman
exaly   +2 more sources

Lattice models for quark, nuclear structure and nuclear reaction studies

Journal of Physics G: Nuclear and Particle Physics, 1997
Because of their computational simplicity, lattice models have found various uses in quark, nuclear structure and nuclear reaction (multifragmentation and heavy-ion) studies. However, differences in the mean density of particles among crystal types lead to significantly different properties, indicating that simulations using nucleon lattices should ...
Norman D Cook
exaly   +2 more sources

Dynamic nuclear reaction models

Journal of Chemical Education, 1952
Thomas E. Van Dam, F. Holloway, Lawrence Shapiro, Raymond Hector   +3 more
exaly   +2 more sources

On the optical model for nuclear reactions

Il Nuovo Cimento, 1958
The complex potential for neutrons in an infinite nuclear medium is computed in a perturbation calculation up to the second order, using for the nucleon-nucleon interaction a regular potential which fits the low energy two-body data. It is shown that it is possible to fit simultaneously the real and the imaginary part of the optical potential and the ...
L. Verlet, J. Gavoret
openaire   +2 more sources

Model for Nuclear Reactions with Neutrons

Physical Review, 1954
A simple model is proposed for the description of the scattering and the compound nucleus formation by nucleons impinging upon complex nuclei. It is shown that, by making appropriate averages over resonances, an average problem can be defined which is referred to as the "gross-structure" problem.
Feshbach, H., Porter, C. E., Weisskopf, V. F.   +2 more
openaire   +2 more sources

Renormalization for optical model and unified model of nuclear reactions

Physical Review C, 1993
A unified model of nuclear reactions taking account of both the compound and preequilibrium nuclear reactions is proposed in terms of a renormalization of the wave functions generated by the optical model potential. The cross sections of the nuclear reactions including preequilibrium processes are formulated, which are especially suited for ...
, Zisheng, , Xiaolong, , Zongdi, , Dunjiu   +3 more
openaire   +2 more sources