Decoupling of the onset of anharmonicity between a protein and its surface water around 200 K

Autor: Lirong Zheng, Bingxin Zhou, Banghao Wu, Yang Tan, Juan Huang, Madhusudan Tyagi, Victoria García Sakai, Takeshi Yamada, Hugh O'Neill, Qiu Zhang, Liang Hong

Publikováno v: eLife, Vol 13 (2024)

The protein dynamical transition at ~200 K, where the biomolecule transforms from a harmonic, non-functional form to an anharmonic, functional state, has been thought to be slaved to the thermal activation of dynamics in its surface hydration water.

Externí odkaz: https://doaj.org/article/37d0bfcaa9dc4e92a75f28fccf7b89a6

Q-dependent collective relaxation dynamics of glass-forming liquid Ca0.4K0.6(NO3)1.4 investigated by wide-angle neutron spin-echo

Autor: Peng Luo, Yanqin Zhai, Peter Falus, Victoria García Sakai, Monika Hartl, Maiko Kofu, Kenji Nakajima, Antonio Faraone, Y Z

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)

Length scale dependence is important for understanding the collective relaxation dynamics in glass-forming liquids. Here, the authors find in liquid Ca0.4K0.6(NO3)1.4 a change in the dominant relaxation mechanisms around 2.6 Å, below which the relax

Externí odkaz: https://doaj.org/article/f559b24cc89c426a9a5988849c609ac3

Enhanced Microscopic Dynamics of a Liver Lipid Membrane in the Presence of an Ionic Liquid

Autor: Veerendra K. Sharma, Sajal K. Ghosh, Victoria García Sakai, R. Mukhopadhyay

Publikováno v: Frontiers in Chemistry, Vol 8 (2020)

Ionic liquids (ILs) are an important class of emerging compounds, owing to their widespread industrial applications in high-performance lubricants for food and cellulose processing, despite their toxicity to living organisms. It is believed that this

Externí odkaz: https://doaj.org/article/88ff198f34f4407684b7ad796bcfa004

Influence of CO2 on Nanoconfined Water in a Clay Mineral

Autor: Kristoffer W. Bø Hunvik, Rodrigo José da Silva Lima, Alexsandro Kirch, Patrick Loch, Paul Monceyron Røren, Martin Hoffmann Petersen, Svemir Rudić, Victoria García Sakai, Kenneth Dahl Knudsen, Caetano Rodrigues Miranda, Josef Breu, Jon Otto Fossum, Heloisa N. Bordallo

Publikováno v: Hunvik, K W B, Lima, R J D S, Kirch, A, Loch, P, Roren, P M, Petersen, M H, Rudic, S, Sakai, V G, Knudsen, K D, Instituto, C R M M, Breu, J, Fossum, J O & Bordallo, H N 2022, ' Influence of CO 2 on Nanoconfined Water in a Clay Mineral ', Journal of Physical Chemistry C, vol. 126, no. 40, pp. 17243-17254 . https://doi.org/10.1021/acs.jpcc.2c03310
17243-17254
Journal of Physical Chemistry C

Developing new technologies for carbon sequestra-tion and long-term carbon storage is important. Clay minerals are interesting in this context as they are low-cost, naturally abundant, can adsorb considerable amounts of CO2, and are present in storag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00674e996550a95e34ae0702cd9056ed
https://doi.org/10.1021/acs.jpcc.2c03310

Conduction Mechanism in Graphene Oxide Membranes with Varied Water Content: From Proton Hopping Dominant to Ion Diffusion Dominant

Autor: Lei Zhang, Zhuo Liu, Chenxing Yang, Victoria García Sakai, Madhusudan Tyagi, Liang Hong

Publikováno v: ACS Nano. 16:13771-13782

Proton conductors, particularly hydrated solid membranes, have various applications in sensors, fuel cells, and cellular biological systems. Unraveling the intrinsic proton transfer mechanism is critical for establishing the foundation of proton cond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2924658a5b40d92bb56dcfbd6b3af0e
https://doi.org/10.1021/acsnano.2c00686