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Results: 22
Force-reversible chemical reaction at ambient temperature for designing toughened dynamic covalent polymer networks.
Mengqi Du, Hannes A Houck, Qiang Yin, Yewei Xu, Ying Huang, Yang Lan, Li Yang, Filip E Du Prez, Guanjun Chang
Jun 09, 2022
Force-reversible C-N bonds, resulting from the click chemistry reaction between triazolinedione (TAD) and indole derivatives, offer exciting opportunities for molecular-level engineering to design materials that respond to...
Parkin regulates adiposity by coordinating mitophagy with mitochondrial biogenesis in white adipocytes.
Timothy M Moore, Lijing Cheng, Dane M Wolf, Jennifer Ngo, Mayuko Segawa, Xiaopeng Zhu, Alexander R Strumwasser, Yang Cao, Bethan L Clifford, Alice Ma, Philip Scumpia, Orian S Shirihai, Thomas Q de Aguiar Vallim, Markku Laakso, Aldons J Lusis, Andrea L Hevener, Zhenqi Zhou
Nov 05, 2022
Ionic liquid facilitated melting of the metal-organic framework ZIF-8
Vahid Nozari, Courtney Calahoo, Joshua M. Tuffnell, David A. Keen, Thomas D. Bennett, Lothar Wondraczek
Oct 01, 2021
Abstract: Hybrid glasses from melt-quenched metal-organic frameworks (MOFs) have been emerging as a new class of materials, which combine the functional properties of crystalline MOFs with the processability of glasses. However...
Molecular architecture of softwood revealed by solid-state NMR
Oliver M. Terrett, Jan J. Lyczakowski, Li Yu, Dinu Iuga, W. Trent Franks, Steven P. Brown, Ray Dupree, Paul Dupree
Oct 31, 2020
Abstract: Economically important softwood from conifers is mainly composed of the polysaccharides cellulose, galactoglucomannan and xylan, and the phenolic polymer, lignin. The interactions between these polymers lead to wood...
The docking of synaptic vesicles on the presynaptic membrane induced by α-synuclein is modulated by lipid composition
Wing K. Man, Bogachan Tahirbegi, Michail D. Vrettas, Swapan Preet, Liming Ying, Michele Vendruscolo, Alfonso De Simone, Giuliana Fusco
Feb 10, 2021
Abstract: α-Synuclein (αS) is a presynaptic disordered protein whose aberrant aggregation is associated with Parkinson’s disease. The functional role of αS is still debated, although it has been involved in the regulation of...
Perovskite-molecule composite thin films for efficient and stable light-emitting diodes
Heyong Wang, Felix Utama Kosasih, Hongling Yu, Guanhaojie Zheng, Jiangbin Zhang, Galia Pozina, Yang Liu, Chunxiong Bao, Zhangjun Hu, Xianjie Liu, Libor Kobera, Sabina Abbrent, Jiri Brus, Yizheng Jin, Mats Fahlman, Richard H. Friend, Caterina Ducati, Xiao-Ke Liu, Feng Gao
Feb 13, 2021
Abstract: Although perovskite light-emitting diodes (PeLEDs) have recently experienced significant progress, there are only scattered reports of PeLEDs with both high efficiency and long operational stability, calling for...
Mechanical adaptation of brachiopod shells via hydration-induced structural changes
Johannes Ihli, Anna S. Schenk, Sabine Rosenfeldt, Klaus Wakonig, Mirko Holler, Giuseppe Falini, Luca Pasquini, Eugénia Delacou, Jim Buckman, Thomas S. Glen, Thomas Kress, Esther H. R. Tsai, David G. Reid, Melinda J. Duer, Maggie Cusack, Fabio Nudelman
Sep 10, 2021
Abstract: The function-optimized properties of biominerals arise from the hierarchical organization of primary building blocks. Alteration of properties in response to environmental stresses generally involves time-intensive...
Mechanochemistry-driven engineering of 0D/3D heterostructure for designing highly luminescent Cs-Pb-Br perovskites.
Kyeong-Yoon Baek, Woocheol Lee, Jonghoon Lee, Jaeyoung Kim, Heebeom Ahn, Jae Il Kim, Junwoo Kim, Hyungbin Lim, Jiwon Shin, Yoon-Joo Ko, Hyeon-Dong Lee, Richard Friend, Tae-Woo Lee, Jeongjae Lee, Keehoon Kang, Takhee Lee
Jul 23, 2022
Embedding metal-halide perovskite particles within an insulating host matrix has proven to be an effective strategy for revealing the outstanding luminescence properties of perovskites as an emerging class of light emitters....
Zero-field nuclear magnetic resonance of chemically exchanging systems.
Danila A Barskiy, Michael CD Tayler, Irene Marco-Rius, John Kurhanewicz, Daniel B Vigneron, Sevil Cikrikci, Ayca Aydogdu, Moritz Reh, Andrey N Pravdivtsev, Jan-Bernd Hövener, John W Blanchard, Teng Wu, Dmitry Budker, Alexander Pines
Jul 04, 2020
Zero- to ultralow-field (ZULF) nuclear magnetic resonance (NMR) is an emerging tool for precision chemical analysis. In this work, we study dynamic processes and investigate the influence of chemical exchange on ZULF NMR...
A curved host and second guest cooperatively inhibit the dynamic motion of corannulene
Yang Yang, Tanya K. Ronson, Zifei Lu, Jieyu Zheng, Nicolas Vanthuyne, Alexandre Martinez, Jonathan R. Nitschke
Jul 02, 2021
Abstract: Biomolecular systems show how host–guest binding can induce changes in molecular behavior, which in turn impact the functions of the system. Here we report an artificial host–guest system where dynamic adaptation...
Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot
Hobeom Kim, Joo Sung Kim, Jung-Min Heo, Mingyuan Pei, In-Hyeok Park, Zhun Liu, Hyung Joong Yun, Min-Ho Park, Su-Hun Jeong, Young-Hoon Kim, Jin-Woo Park, Emad Oveisi, Satyawan Nagane, Aditya Sadhanala, Lijun Zhang, Jin Jung Kweon, Sung Keun Lee, Hoichang Yang, Hyun Myung Jang, Richard H. Friend, Kian Ping Loh, Mohammad Khaja Nazeeruddin, Nam-Gyu Park, Tae-Woo Lee
Jul 07, 2021
Abstract: Perovskite light-emitting diodes (PeLEDs) based on three-dimensional (3D) polycrystalline perovskites suffer from ion migration, which causes overshoot of luminance over time during operation and reduces its...
On the stoichiometry of zirconium carbide
Claudia Gasparrini, Dhan-Sham Rana, Niccolò Le Brun, Denis Horlait, Christos N. Markides, Ian Farnan, William E. Lee
Apr 14, 2021
Abstract: The dependencies of the enhanced thermomechanical properties of zirconium carbide (ZrCx) with sample purity and stoichiometry are still not understood due to discrepancies in the literature. Multiple researchers have...
Conformational plasticity of ligand-bound and ternary GPCR complexes studied by 19 F NMR of the β 1 -adrenergic receptor
J. Niclas Frei, Richard W. Broadhurst, Mark J. Bostock, Andras Solt, Andrew J. Y. Jones, Florian Gabriel, Aditi Tandale, Binesh Shrestha, Daniel Nietlispach
Feb 02, 2021
Abstract: G-protein-coupled receptors (GPCRs) are allosteric signaling proteins that transmit an extracellular stimulus across the cell membrane. Using 19F NMR and site-specific labelling, we investigate the response of the...
Polar surface structure of oxide nanocrystals revealed with solid-state NMR spectroscopy
Junchao Chen, Xin-Ping Wu, Michael A. Hope, Kun Qian, David M. Halat, Tao Liu, Yuhong Li, Li Shen, Xiaokang Ke, Yujie Wen, Jia-Huan Du, Pieter C. M. M. Magusin, Subhradip Paul, Weiping Ding, Xue-Qing Gong, Clare P. Grey, Luming Peng
Nov 27, 2020
Abstract: Compared to nanomaterials exposing nonpolar facets, polar-faceted nanocrystals often exhibit unexpected and interesting properties. The electrostatic instability arising from the intrinsic dipole moments of polar...
Genetically personalised organ-specific metabolic models in health and disease
Closed-loop chemical recycling of cross-linked polymeric materials based on reversible amidation chemistry.
Closed-loop chemical recycling provides a solution to the end-of-use problem of synthetic polymers. However, it remains a major challenge to design dynamic bonds, capable of effective bonding and reversible cleaving, for...
Noninvasive rapid detection of metabolic adaptation in activated human T lymphocytes by hyperpolarized 13 C magnetic resonance
Emine Can, Mor Mishkovsky, Hikari A. I. Yoshihara, Nicolas Kunz, Dominique-Laurent Couturier, Ulf Petrausch, Marie-Agnès Doucey, Arnaud Comment
Jan 12, 2021
Abstract: The metabolic shift induced in human CD4+ T lymphocytes by stimulation is characterized by an upregulation of glycolysis, leading to an augmentation in lactate production. This adaptation has already been highlighted...
The chemistry of branched condensed phosphates
Tobias Dürr-Mayer, Danye Qiu, Verena B. Eisenbeis, Nicole Steck, Markus Häner, Alexandre Hofer, Andreas Mayer, Jay S. Siegel, Kim K. Baldridge, Henning J. Jessen
Sep 10, 2021
Abstract: Condensed phosphates may exist as linear, cyclic or branched structures. Due to their important role in nature, linear polyphosphates have been well studied. In contrast, branched phosphates (ultraphosphates) remain...
Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot
Hobeom Kim, Joo Sung Kim, Jung-Min Heo, Mingyuan Pei, In-Hyeok Park, Zhun Liu, Hyung Joong Yun, Min-Ho Park, Su-Hun Jeong, Young-Hoon Kim, Jin-Woo Park, Emad Oveisi, Satyawan Nagane, Aditya Sadhanala, Lijun Zhang, Jin Jung Kweon, Sung Keun Lee, Hoichang Yang, Hyun Myung Jang, Richard H. Friend, Kian Ping Loh, Mohammad Khaja Nazeeruddin, Nam-Gyu Park, Tae-Woo Lee
Jul 06, 2020
Abstract: Perovskite light-emitting diodes (PeLEDs) based on three-dimensional (3D) polycrystalline perovskites suffer from ion migration, which causes overshoot of luminance over time during operation and reduces its...
Extent of N-terminus exposure of monomeric alpha-synuclein determines its aggregation propensity
Amberley D. Stephens, Maria Zacharopoulou, Rani Moons, Giuliana Fusco, Neeleema Seetaloo, Anass Chiki, Philippa J. Woodhams, Ioanna Mela, Hilal A. Lashuel, Jonathan J. Phillips, Alfonso De Simone, Frank Sobott, Gabriele S. Kaminski Schierle
Jun 04, 2021
Abstract: As an intrinsically disordered protein, monomeric alpha-synuclein (aSyn) occupies a large conformational space. Certain conformations lead to aggregation prone and non-aggregation prone intermediates, but identifying...