Since the discovery of the double helix form of DNA and the hypothesis of DNA mutation induced by proton transfer more than 50 years ago, it has been recognized that proton transfer is crucial to many chemical and biological ...
Biochemistry
Jun 12, 2020
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9
A collaborative ultrafast spectroscopy and ab initio molecular dynamics simulations study shows that proton vacancies in the form of hydroxide/methoxide ions are as relevant for proton transfer between acids and bases as ...
Materials Science
Oct 8, 2019
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11
One of the most fundamental chemical reactions that takes place in energy-conversion systems—including catalysts, flow batteries, high-capacity energy-storing supercapacitors, and systems to make fuels using solar energy—has ...
Materials Science
May 2, 2019
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69
Particle beam therapy is increasingly being used to treat many types of cancer. It consists in subjecting tumours to beams of high-energy charged particles such as protons. Although more targeted than conventional radiotherapy ...
Optics & Photonics
Apr 2, 2019
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9
NIMS and Hokkaido University jointly discovered that proton transfer in electrochemical reactions is governed by the quantum tunneling effect (QTE) under the specific conditions. In addition, they made a first ever observation ...
General Physics
Feb 1, 2019
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294
In their catalytic center, hydrogenases manufacture molecular hydrogen (H2) from two protons and two electrons. They extract the protons required for this process from the surrounding water and transfer them – via a transport ...
Analytical Chemistry
Nov 9, 2018
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5
How water solvates and transports protons is a fundamental question facing chemists and biologists alike and is vital to our understanding of processes such as photosynthesis and cellular respiration.
Materials Science
Aug 10, 2018
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323
Medical devices powered by synthetic proteins created from repeated sequences of proteins may be possible, according to materials science and biotechnology experts, who looked at material inspired by the proteins in squid ...
Materials Science
Feb 8, 2018
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20
Using powerful new tools, scientists from the RIKEN SPring-8 Center and collaborators have demonstrated how bacteriorhodopsin, a "proton pump", uses light to transport protons across the cell membrane to create a charge difference ...
Analytical Chemistry
Dec 22, 2016
3
21
(Phys.org)—In some chemical reactions both electrons and protons move together. When they transfer, they can move concertedly or in separate steps. Light-induced reactions of this sort are particularly relevant to biological ...
