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Tunable itinerant spin dynamics with polar molecules

mercredi 1er février 2023 par Jun-Ru Li, Kyle Matsuda, Calder Miller, Annette N. Carroll, William G. Tobias, Jacob S. Higgins, Jun Ye
Nature, Published online: 01 February 2023; doi:10.1038/s41586-022-05479-2Tunable itinerant spin dynamics enabled by dipolar interactions are demonstrated with polar molecules, establishing an interacting spin platform that allows for exploration of many-body spin dynamics and spin-motion (...)

Pseudospin-selective Floquet band engineering in black phosphorus

mercredi 1er février 2023 par Shaohua Zhou, Changhua Bao, Benshu Fan, Hui Zhou, Qixuan Gao, Haoyuan Zhong, Tianyun Lin, Hang Liu, Pu Yu, Peizhe Tang, Sheng Meng, Wenhui Duan, Shuyun Zhou
Nature, Published online: 01 February 2023; doi:10.1038/s41586-022-05610-3In black phosphorus, a model semiconductor, analysis of time and angle-resolved photoemission spectroscopy measurements demonstrates a strong light-induced band renormalization with light polarization dependence, (...)

The next generation of coronavirus vaccines: a graphical guide

mercredi 1er février 2023 par Ewen Callaway
Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00220-zNew technologies might provide more potent or broader immunity — but will have to fight for market share.

Light-activated catalysts point the way to sustainable chemistry

mercredi 1er février 2023 par Emiliano Cortés
Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00239-2A light-activated ‘plasmonic’ catalyst, made from abundant elements, produces as much hydrogen from ammonia as do the most-used heat-activated catalysts based on a rarer element, suggesting a strategy for sustainable (...)

Deus exed

mercredi 1er février 2023 par Steven Berger
Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00253-4Prophet and loss.

Structural basis for substrate selection by the SARS-CoV-2 replicase

mercredi 1er février 2023 par Brandon F. Malone, Jason K. Perry, Paul Dominic B. Olinares, Hery W. Lee, James Chen, Todd C. Appleby, Joy Y. Feng, John P. Bilello, Honkit Ng, Johanna Sotiris, Mark Ebrahim, Eugene Y. D. Chua, Joshua H. Mendez, Ed T. Eng, Robert Landick, Matthias Götte, Brian T. Chait, Elizabeth A. Campbell, Seth A. Darst
Nature, Published online: 01 February 2023; doi:10.1038/s41586-022-05664-3Cryo-EM is used to visualize the SARS-CoV-2 RTC bound to each of the natural NTPs as well as remdesivir triphosphate (RDV-TP) in states poised for incorporation, explaining the interactions required for NTP recognition (...)

Probing site-resolved correlations in a spin system of ultracold molecules

mercredi 1er février 2023 par Lysander Christakis, Jason S. Rosenberg, Ravin Raj, Sungjae Chi, Alan Morningstar, David A. Huse, Zoe Z. Yan, Waseem S. Bakr
Nature, Published online: 01 February 2023; doi:10.1038/s41586-022-05558-4Experiments demonstrate the powerful capabilities of ultracold molecules to study dynamics in the context of quantum magnetism, and create new possibilities for studying quantum physics with ultracold molecules more (...)

Reducing affinity as a strategy to boost immunomodulatory antibody agonism

mercredi 1er février 2023 par Xiaojie Yu, Christian M. Orr, H. T. Claude Chan, Sonya James, Christine A. Penfold, Jinny Kim, Tatyana Inzhelevskaya, C. Ian Mockridge, Kerry L. Cox, Jonathan W. Essex, Ivo Tews, Martin J. Glennie, Mark S. Cragg
Nature, Published online: 01 February 2023; doi:10.1038/s41586-022-05673-2In contrast to direct-targeting monoclonal antibodies, low affinity confers agonistic monoclonal antibodies with more potency.

A Feshbach resonance in collisions between triplet ground-state molecules

mercredi 1er février 2023 par Juliana J. Park, Yu-Kun Lu, Alan O. Jamison, Timur V. Tscherbul, Wolfgang Ketterle
Nature, Published online: 01 February 2023; doi:10.1038/s41586-022-05635-8Observations of a pronounced and narrow Feshbach resonance in collisions between two triplet ground-state NaLi molecules are described, providing evidence for the existence of long-lived coherent intermediate complexes (...)

GOT1 constrains TH17 cell differentiation, while promoting iTreg cell differentiation

mercredi 1er février 2023 par Wei Xu, Chirag H. Patel, Jesse Alt, Liang Zhao, Im-Hong Sun, Min-Hee Oh, Im-Meng Sun, Jiayu Wen, Richard L. Blosser, Ada J. Tam, Jonathan D. Powell
Nature, Published online: 01 February 2023; doi:10.1038/s41586-022-05602-3GOT1 constrains TH17 cell differentiation, while promoting iTreg cell differentiation

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