Results 21 to 30 of about 464,016 (298)

Proton transfer in proton glasses [PDF]

Journal of Molecular Structure, 1988
Abstract Proton intrabond transfer in O H⋯O bonds is the mechanism for dynamic behavior of rubidium/ammonium dihydrogenphosphate mixed crystals. Because of strong proton-proton interactions, such transfer is associated with thermally activated creation of H 3 PO 4 -HPO 4 intrinsic defect pairs, their hindered diffusion in a random-step fractal ...
openaire   +1 more source

Time-resolved photoelectron spectroscopy of proton transfer in the ground state of chloromalonaldehyde: Wave-packet dynamics on effective potential surfaces of reduced dimensionality [PDF]

, 2006
We report on a simple but widely useful method for obtaining time-independent potential surfaces of reduced dimensionality wherein the coupling between reaction and substrate modes is embedded by averaging over an ensemble of classical trajectories ...
Arasaki, Yasuki, McKoy, Vincent, Takatsuka, Kazuo, Ushiyama, Hiroshi, Varella, Márcio T. do N.   +4 more
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Intramolecular electron-induced proton transfer and its correlation with excited-state intramolecular proton transfer

Nature Communications, 2019
Intramolecular electron-induced proton transfer (iEIPT) describes proton motion coupled with the attachment of an electron within a molecule. Here, the authors build a “search engine” for iEIPT-capable molecules that also have the excited-state ...
Wei Wang, Mary Marshall, Evan Collins, Sara Marquez, Chaonan Mu, Kit H. Bowen, Xinxing Zhang   +6 more
doaj   +1 more source

One- and two-proton transfer reactions with vibrational Nuclei [PDF]

, 1999
We extend a semiclassical model of transfer reactions to the case in which one of the collision partners is a vibrational nucleus. The model is applied to one- and two-proton stripping reactions in the 37Cl + 98Mo system, for which a rapid transition ...
A. Bohr, A. J. Pacheco, C.Y. Wu, D. Tomasi, D.L. Hill, G. Breit, G.M. Temmer, H. D. Marta, H. D. Marta, H.D. Marta, H.D. Marta, J. O. Fernández Niello, J.C. Mahon, J.F. Liang, M.W. Guidry, R. A. Broglia, R. Donangelo   +16 more
core   +3 more sources

High-Resolution Optical Studies on C-Phycocyanin via Photochemical Hole Burning [PDF]

, 1981
We have shown that both the native C-phycocyanin and its corresponding free biline chromophore undergo reversible, low-temperature photochemistry.
Friedrich, J., Haarer, D., Scheer, Hugo, Zickendraht-Wendelstadt, Barbara   +3 more
core   +1 more source

Nitrogen-Mediated Graphene Oxide Enables Highly Efficient Proton Transfer

Scientific Reports, 2017
Two-dimensional (2D) graphene and graphene oxide (GO) offer great potential as a new type of cost-efficient proton-exchange membranes (PEM) for electrochemical devices. However, fundamental issues of proton transfer mechanism via 2D membranes are unclear
Guo-Liang Chai, Stephen A. Shevlin, Zhengxiao Guo   +2 more
doaj   +1 more source

Multiscale simulations reveal the role of PcrA helicase in protecting against spontaneous point mutations in DNA

Scientific Reports, 2023
Proton transfer across hydrogen bonds in DNA can produce non-canonical nucleobase dimers and is a possible source of single-point mutations when these forms mismatch under replication.
Max Winokan, Louie Slocombe, Jim Al-Khalili, Marco Sacchi   +3 more
doaj   +1 more source

Intriguing Chloride: Involvement of Chloride Ions in Proton Transfers

Molecules, 2022
The proton transfer from carbon to a chloride ion and the proton transfer to a molecule of water promoted by chloride ions in the acid-catalyzed formation of hydroxamic acids from aldehydes and substituted nitrosobenzenes in mixed solvents have been ...
Viktor Pilepić, Cvijeta Jakobušić Brala, Stanko Uršić   +2 more
doaj   +1 more source

Asymptotic Normalization Coefficients for 13C+p->14N [PDF]

, 1998
The $^{13}C(^{14}N,^{13}C)^{14}N$ proton exchange reaction has been measured at an incident energy of 162 MeV. Angular distributions were obtained for proton transfer to the ground and low lying excited states in $^{14}N$.
A. Azhari, A. M. Mukhamedzhanov, A. M. Mukhamedzhanov, A. M. Mukhamedzhanov, C. A. Gagliardi, D. E. DiGregorio, D. H. Youngblood, D. H. Youngblood, D. M. Pringle, F. Ajzenberg-Selove, F. Carstoiu, H. de Vries, H. L. Clark, H. M. Xu, J. Cook, L. Trache, M. Rhoades-Brown, M. Rhoades-Brown, R. E. Tribble, Y.-W. Lui   +19 more
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Photoproduction of phi(1020) mesons on the proton at large momentum transfer [PDF]

, 2000
The cross section for $\phi$ meson photoproduction on the proton has been measured for the first time up to a four-momentum transfer -t = 4 GeV^2, using the CLAS detector at the Thomas Jefferson National Accelerator Facility.
Adams, G S, Amaryan, M J, Anciant, E, Anghinolfi, M, Armstrong, D S, Asavapibhop, B, Audit, G, Auger, T, Avakian, H, Barrow, S, Battaglieri, M, Beard, K, Bektasoglu, M, Berman, Barry L, Bianchi, N, Biselli, A, Boiarinov, S, Briscoe, W J, Brooks, W, Burkert, V D, Calarco, J R, Capitani, G P, Carman, D S, Carnahan, B, Cetina, C, Cole, P L, Coleman, A, Connelly, J, Cords, D, Corvisiero, P, Crabb, D, Crannell, H, Cummings, J, De Sanctis, E, De Vita, R, Degtyarenko, P V, Dennis, L C, Dhuga, K S, Djalali, C, Dodge, G E, Doughty, D C, Dragovitsch, P, Dugger, M R, Dytman, S A, Efremenko, Yu V, Egiyan, H, Egiyan, K S, Elouadrhiri, L, Farhi, L, Feuerbach, R J, Ficenec, J, Forest, T A, Freyberger, A P, Funsten, H O, Gai, M, Garçon, M, Gilfoyle, G P, Giovanetti, K L, Girard, P M, Griffioen, K A, Guidal, M, Gyurjyan, V, Heddle, D, Hersman, F W, Hicks, K, Hicks, R S, Holtrop, M, Hyde-Wright, C E, Ito, M M, Jenkins, D, Joo, K K, Khandaker, M, Kim, D H, Kim, W, Klein, A, Klein, F J, Klusman, M, Kossov, M, Kramer, L H, Kuhn, S E, Laget, J M, Lawrence, D, Longhi, A, Loukachine, K, Magahiz, R, Major, R W, Manak, J J, Marchand, C, Matthews, S K, McAleer, S, McCarthy, J, McCormick, K, McNabb, J W C, Mecking, B A, Mestayer, M D, Meyer, C A, Minehart, R C, Miskimen, R, Muccifora, V, Murphy, L, Mutchler, G S, Müller, J, Napolitano, J, Niczyporuk, B B, Niyazov, R A, O'Brien, J T, Opper, A K, Philips, S, Pivnyuk, N A, Pocanic, D, Pogorelko, O I, Polli, E, Preedom, B M, Price, J W, Qin, L M, Raue, B A, Reolon, A R, Riccardi, G, Ricco, G, Ripani, M, Ritchie, B G, Ronchetti, F, Rossi, P, Roudot, F, Rowntree, D, Rubin, P D, Salgado, C W, Sapunenko, V, Schumacher, R A, Shafi, A, Sharabyan, Yu G, Skabelin, A V, Smith, C, Smith, E S, Sober, D I, Stepanyan, S, Stoler, P, Taiuti, M, Taylor, S, Tedeschi, D J, Thompson, R, Vineyard, M F, Vlasov, A, Weinstein, L B, Weller, H, Welsh, R, Weygand, D, Whisnant, S, Witkowski, M T, Wolin, E, Yegneswaran, A, Yun, J, Zhang, B, Zhao, J   +153 more
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