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Catalyst: Curtailing the scalable supply of fentanyl by using chemical AI Chem (IF 23.5) Pub Date : 2024-04-23 Barbara Mikulak-Klucznik, Tomasz Klucznik, Wiktor Beker, Martyna Moskal, Bartosz A. Grzybowski
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Conjugated ladder polymers: Advances from syntheses to applications Chem (IF 23.5) Pub Date : 2024-04-23 James Shao-Jiun Yang, Lei Fang
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Reaction: Don’t hate the player in chemical AI; hate the game Chem (IF 23.5) Pub Date : 2024-04-23 Gordon Broderick
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Reaction: Navigating the promises and perils of AI-powered drug synthesis Chem (IF 23.5) Pub Date : 2024-04-23 Rick A. Bright
Rick Bright is the chief executive of Bright Global Health and former deputy assistant secretary for preparedness and response and director of BARDA at the US Department of Health and Human Services. An international expert in biodefense, emergency preparedness, pharmaceutical innovation, and public health, Dr. Bright is a member of the Council on Foreign Relations, senior fellow of the Foreign Policy
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A MOF nanoparticle@carbon aerogel integrated photothermal catalytic microreactor for CO2 utilization Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Junyi Chen, Lei Shao, Bing Zhang, Weiliang Tian, Yu Fu, Liying Zhang
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Rhodium-catalyzed three-component C(sp3)/C(sp2)−H activation enabled by two-fold directing groups strategy. Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Fucheng Hou, Jiale Zhang, Zirui Wang, Zhongyuan Li
The Rh-catalzyed three-component C(sp3)/C(sp2)−H activation has been achieved through a two-directing group strategy. This protocol provides a convenient and efficient pathway for the construction of diverse 8-alkyl quinoline derivatives in one-pot. Furthermore, mechanistic studies revealed the first C−H amidation was significant faster than the sequential C−H alkylation.
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Correction: A closer look at ligand specificity for cellular activation of NOD2 with synthetic muramyl dipeptide analogues Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Christopher Adamson, Yaquan Liang, Shiliu Feng, Allan Wee Ren Ng, Yuan Qiao
Correction for ‘A closer look at ligand specificity for cellular activation of NOD2 with synthetic muramyl dipeptide analogues’ by Christopher Adamson et al., Chem. Commun., 2024, 60, 2212–2215, https://doi.org/10.1039/D3CC05807G.
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Two structurally new Lindqvist hexaniobate-templated silver thiolate clusters Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Zichen Zhao, Mengyun Zhao, Lan Deng, Qing Li, Jing Zhang, Hai-Feng Su, Hongjin Lv, Guo-Yu Yang
Two structurally new Lindqvist hexaniobate-templated silver thiolate clusters, [Nb6O19@Ag45(iPrS)23(CH3COO)14] (Ag45) and (H3O)4[Nb6O19@Ag41KS2.5O2(H2O)7.5(iPrS)24(CH3COO)5] (Ag41), were synthesized using a facile one-pot solvothermal approach. Single crystal X-ray diffraction analyses revealed the presence of a classical Lindqvist-type [Nb6O19]8− anion template, the iPrS− and CH3COO− surface-protecting
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Metal- and solvent-free domino reaction of 2-isocyanophenol esters to benzoxazines: long-range 1,5-acyl migration on 1,4-diazabutatriene Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Alireza Akbari, Hormoz Khosravi, Felix Bauer, Frank - Rominger, Bernhard Breit, Saeed Balalaie
The first example of intramolecular nucleophilic addition of 1,4-diazabutatriene to ester is disclosed. This approach provides a facile and versatile synthesis for functionalized 2H-1,4-benzoxazines through a metal-, reagent-, and solvent-free condition. Experimental and computational studies revealed the pivotal role of 1,5-acyl migration as the self-catalytic step in the reaction selectivity.
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Mechanistic Variances in NO Release: Ortho vs. Meta Isomers of Nitrophenol and Nitroaniline Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Prahlad Roy Chowdhury, Monali Kawade, G. Naresh Patwari
The NO release following 266 nm photolysis of ortho and meta isomers of nitrophenol and nitroaniline shows bimodal translational energy distribution, wherein the slow and fast components originate from dynamics in the S0 and T1 states, respectively. The translational energy distribution profiles for any NO product state shows a higher slow-to-fast (s/f) branching ratio for the ortho isomer in comparison
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Iron-catalyzed Aerobic Oxidation of Silyl Ethers to Carboxylic Acids Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Zuizhi Lin, Shengming Ma
A direct aerobic oxidation of silyl ethers to carboxylic acids has been developed. The mild reaction conditions lead to a broad range of functional group compatibility. Different types of silyl groups have been investigated and selective deprotective oxidation has been realized. The reaction could be conducted in O2 or air.
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Recent Progresses and Perspectives on Metal-organic Frameworks as Solid-state Electrolytes for Lithium Batteries Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Xin Wang, Sheng Jin, Zhiliang Liu
Solid-state electrolytes (SSEs) are the key materials in the new generation of all-solid-state lithium ion/metal batteries. Metal-organic frameworks (MOFs) are ideal materials for developing solid electrolyte because of their structural diversity and porous properties. However, there are several significant issues and obstacles involved, such as lower ion conductivity, lesser ions transport number
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Tuning the redox profile of the 6,6′-biazulenic platform through functionalization along its molecular axis Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Shaun R. Kelsey, Georgii Griaznov, Andrew D. Spaeth, Daron E. Janzen, Justin T. Douglas, Ward H. Thompson, Mikhail V. Barybin
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Chemical control of CRISPR/Cpf1 editing via orthogonal activation and deactivation of crosslinked crRNA Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Cui-Lian Lin, Wen-Da Chen, Li Liu, Liang Cheng
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Coral -Inspired Terahertz–Infrared Bi-Stealth Electronic Skin Angew. Chem. Int. Ed. (IF 16.6) Pub Date : 2024-04-23 Shangjing Li, Kaichao Pan, Jiang Du, Zunfeng Liu, Jun Qiu
The development of electronic skin with dual stealth functionality is crucial for enabling devices to operate effectively in dynamic electromagnetic environments, thereby facilitating intelligent electromagnetic protection for autonomous perception. However, achieving compatibility between terahertz (THz) and infrared (IR) stealth technologies remains largely unexplored due to their inherent contradictions
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Micelles Cascade Assembly to Tandem Porous Catalyst for Waste Plastics Upcycling Angew. Chem. Int. Ed. (IF 16.6) Pub Date : 2024-04-21 Jiayou Feng, Jindi Duan, Chin-Te Hung, Zhenghao Zhang, Kailin Li, Yan Ai, Chaochao Yang, Yiyue Zhao, Zhengmin Yu, Yahong Zhang, Liang Wang, Dongyuan Zhao, Wei Li
Catalytic upcycling of polyolefins into high-value chemicals represents the direction in end-of-life plastics valorization, but poses great challenges. Here, we report the synthesis of a tandem porous catalyst via a micelle cascade assembly strategy for selectively catalytic cracking of polyethylene into olefins at a low temperature. A hierarchically porous silica layer from mesopore to macropore is
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Cyclodextrin ‘Chaperones’ Enable Quasi-Ideal Supramolecular Network Formation and Enhanced Photodimerization of Hydrophobic, Red-shifted Photoswitches in Water Angew. Chem. Int. Ed. (IF 16.6) Pub Date : 2024-04-19 Daniel Hoenders, Simon Ludwanowski, Christopher Barner-Kowollik, Andreas Walther
Precision-engineered light-triggered hydrogels are important for a diversity of applications. However, fields such as biomaterials require wavelength outside the harsh UV regime to prevent photodamage, typically requiring chromophores with extended p-conjugation that suffer from poor water solubility. Herein, we demonstrate how cyclodextrins can be used as auxiliary agents to not only solubilize such
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Discovery of (±)-Penindolenes Reveals an Unusual Indole Ring Cleavage Pathway Catalyzed by P450 Monooxygenase Angew. Chem. Int. Ed. (IF 16.6) Pub Date : 2024-04-18 Ling-Hong Meng, Takayoshi Awakawa, Xiao-Ming Li, Zhiyang Quan, Sui-Qun Yang, Bin-Gui Wang, Ikuro Abe
(±)-Penindolenes A–D (1–4), the first representatives of indole terpenoids featuring a γ-lactam skeleton, were isolated from the mangrove-derived endophytic fungus Penicillium brocae MA-231. Our bioactivity tests revealed their potent antimicrobial and acetylcholinesterase inhibitory activities. The biosynthetic reactions by the five enzymes PbaABCDE leading to γ-lactam ring formation were identified
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Elementary excitations of single-photon emitters in hexagonal boron nitride Nat. Mater. (IF 41.2) Pub Date : 2024-04-23 Jonathan Pelliciari, Enrique Mejia, John M. Woods, Yanhong Gu, Jiemin Li, Saroj B. Chand, Shiyu Fan, Kenji Watanabe, Takashi Taniguchi, Valentina Bisogni, Gabriele Grosso
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Enhanced redox with hetero-halogens Nat. Energy (IF 56.7) Pub Date : 2024-04-23 Vikram Singh, Hye Ryung Byon
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Reversible multielectron transfer I−/IO3− cathode enabled by a hetero-halogen electrolyte for high-energy-density aqueous batteries Nat. Energy (IF 56.7) Pub Date : 2024-04-23 Congxin Xie, Chao Wang, Yue Xu, Tianyu Li, Qiang Fu, Xianfeng Li
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A relational approach to characterizing householder perceptions of disruption in heat transitions Nat. Energy (IF 56.7) Pub Date : 2024-04-23 Gareth Hugh Thomas, Jack Flower, Rob Gross, Karen Henwood, Fiona Shirani, Jamie Speirs, Nick Pidgeon
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Designer peptide–DNA cytoskeletons regulate the function of synthetic cells Nat. Chem. (IF 21.8) Pub Date : 2024-04-23 Margaret L. Daly, Kengo Nishi, Stephen J. Klawa, Kameryn Y. Hinton, Yuan Gao, Ronit Freeman
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India’s 50-year-old Chipko movement is a model for environmental activism Nature (IF 64.8) Pub Date : 2024-04-23
Letter to the Editor
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The Middle East’s largest hypersaline lake risks turning into an environmental disaster zone Nature (IF 64.8) Pub Date : 2024-04-23
Letter to the Editor
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Charles Darwin investigates: the curious case of primrose punishment Nature (IF 64.8) Pub Date : 2024-04-23
Snippets from Nature’s past.
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Chemistry lab destroyed by Taiwan earthquake has physical and mental impacts Nature (IF 64.8) Pub Date : 2024-04-23
Letter to the Editor
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More work is needed to take on the rural wastewater challenge Nature (IF 64.8) Pub Date : 2024-04-23
Letter to the Editor
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Any plan to make smoking obsolete is the right step Nature (IF 64.8) Pub Date : 2024-04-23
The United Kingdom is correct to attempt to end the single largest preventable cause of illness and death, as was New Zealand before its government changed its mind.
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European ruling linking climate change to human rights could be a game changer — here’s how Nature (IF 64.8) Pub Date : 2024-04-23
The European Court of Human Rights’ judgment in a Swiss case cements the concept that climate inaction violates human rights — responsible nations around the world will take heed.
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Lethal AI weapons are here: how can we control them? Nature (IF 64.8) Pub Date : 2024-04-23
Autonomous weapons guided by artificial intelligence are already in use. Researchers, legal experts and ethicists are struggling with what should be allowed on the battlefield.
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Star Formation Shut Down by Multiphase Gas Outflow in a Galaxy at a Redshift of 2.45 Nature (IF 64.8) Pub Date : 2024-04-22 Sirio Belli, Minjung Park, Rebecca L. Davies, J. Trevor Mendel, Benjamin D. Johnson, Charlie Conroy, Chloë Benton, Letizia Bugiani, Razieh Emami, Joel Leja, Yijia Li, Gabriel Maheson, Elijah P. Mathews, Rohan P. Naidu, Erica J. Nelson, Sandro Tacchella, Bryan A. Terrazas, Rainer Weinberger
Large-scale outflows driven by supermassive black holes are thought to play a fundamental role in suppressing star formation in massive galaxies. However, direct observational evidence for this hypothesis is still lacking, particularly in the young universe where star formation quenching is remarkably rapid1–3, thus requiring effective removal of gas4 as opposed to slow gas heating5,6. While outflows
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Dozens of genes are linked to post-traumatic stress disorder Nature (IF 64.8) Pub Date : 2024-04-22
Findings underscore that genetic factors contribute to development of the condition after a traumatic incident.
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Multimodal cell atlas of the ageing human skeletal muscle Nature (IF 64.8) Pub Date : 2024-04-22 Yiwei Lai, Ignacio Ramírez-Pardo, Joan Isern, Juan An, Eusebio Perdiguero, Antonio L. Serrano, Jinxiu Li, Esther García-Domínguez, Jessica Segalés, Pengcheng Guo, Vera Lukesova, Eva Andrés, Jing Zuo, Yue Yuan, Chuanyu Liu, José Viña, Julio Doménech-Fernández, Mari Carmen Gómez-Cabrera, Yancheng Song, Longqi Liu, Xun Xu, Pura Muñoz-Cánoves, Miguel A. Esteban
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Your perception of time is skewed by what you see Nature (IF 64.8) Pub Date : 2024-04-22
Features of a scene such as size and clutter can affect the brain’s sense of how much time has passed while observing it.
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Daily briefing: Great Barrier Reef is experiencing its worst mass bleaching event on record Nature (IF 64.8) Pub Date : 2024-04-22
Iconic coral reef is ‘transforming’ from repeated bleaching events. Plus, researchers face the possibility of animal consciousness and science explores the neurodiversity of visual imagery.
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How volcanoes shaped our planet — and why we need to be ready for the next big eruption Nature (IF 64.8) Pub Date : 2024-04-22
The world should learn from past disasters and prepare for the effects of future, inevitable volcanic catastrophes, a wide-reaching book teaches us.
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Daily briefing: why queasiness kills hunger Nature (IF 64.8) Pub Date : 2024-04-19
Feelings of hunger, nausea and fullness seem to be governed by separate brain circuits. Plus, nearly half of China’s major cities are sinking and Jupiter’s moon, Io, is the most volcanically active place in the Solar System.
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Daily briefing: ‘Goldene’ is a gilded cousin of graphene that is one atom thick Nature (IF 64.8) Pub Date : 2024-04-18
Single-atom-thick sheet of gold is probably the first 2D metal. Plus, some bumblebees can survive up to a week underwater and what crackdowns on smoking and vaping will do for public health.
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Repairing Humidity-Induced Interfacial Degradation in Quasi-2D Perovskite Solar Cells Printed in Ambient Air Energy Environ. Sci. (IF 32.5) Pub Date : 2024-04-23 Zhi Xing, Baojin Fan, Xiangchuan Meng, Dengxue Li, Zengqi Huang, Linfeng Li, Yanyan Zhang, Fuyi Wang, Xiaotian Hu, Ting Hu, Thomas Riedl, Yiwang Chen
Due to the moisture sensitivity of organic cations, the presence of adsorbed water (H2Oad) during the printing process in air tends to complicate the structure transformation and poses potential hazards to the long-term operational stability, particularly in alternating-cation interlayer layered halide perovskite (LHPs) solar cells with a sophisticated organic cation composition. Here, H2Oad as a nucleation
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Correction: Preferred planar crystal growth and uniform solid electrolyte interfaces enabled by anion receptors for stable aqueous Zn batteries Energy Environ. Sci. (IF 32.5) Pub Date : 2024-04-23 Xinyu Wang, Yiran Ying, Xiaomin Li, Shengmei Chen, Guowei Gao, Haitao Huang, Longtao Ma
Correction for ‘Preferred planar crystal growth and uniform solid electrolyte interfaces enabled by anion receptors for stable aqueous Zn batteries’ by Xinyu Wang et al., Energy Environ. Sci., 2023, 16, 4572–4583, https://doi.org/10.1039/D3EE01580G.
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Electrode binder design for high-power, low-Pt loading and durable high temperature fuel cells Energy Environ. Sci. (IF 32.5) Pub Date : 2024-04-23 Hui Li, Peipei Zuo, Wenyi Wu, Gonggen Tang, Junkai Fang, Tongwen Xu, Zhengjin Yang
State-of-the-art high-temperature polymer electrolyte membrane fuel cells enabled by the phosphoric acid-doped polybenzimidazole material platform are promising for long-haul transport, but suffer from low output power, low Pt utilization, and rapid phosphoric acid loss under harsh/dynamic operating conditions. Here, we report a multifunctional phosphonated ionomeric binder (PFPA-PIM-SBI), derived
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Understanding Contact Electrification via Direct Covalent Bond Cleavage of Polymer Chains for Ultrahigh Electrostatic Charge Density Energy Environ. Sci. (IF 32.5) Pub Date : 2024-04-23 Haiyan Fu, Jianliang Gong, Junhao Cao, Zehua Zhang, Zuchang Long, Bao Yang, Jianzhuang Chen, Yiwang Chen, Xiaoming Tao
The ancient and pervasively observed phenomenon of contact electrification (CE) is generally recognized to involve the transfer of electrons, ions, and materials between surfaces. However, compared to the mechanisms of electron and ion transfer, the understanding of how material transfer specifically contributes to this process remains less thoroughly developed. Herein a triboelectric material with
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On the fundamentals of quantum rate theory and the long-range electron transport in respiratory chains Chem. Soc. Rev. (IF 46.2) Pub Date : 2024-04-23 Paulo Roberto Bueno
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Redox regulation of Ni hydroxides with controllable phase composition towards biomass-derived polyols electro-refinery Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Yi Tang, Zhuxin Gui, Yingshuai Jia, Xianping Liao, Tianlan Yan, Boxu Gao, Wenbiao Zhang, Li Chen, Qingsheng Gao, Yahong Zhang
Electrocatalytic refinery from biomass-derived glycerol (GLY) to formic acid (FA), one of the most promising candidates of green H2 carrier, has driven widespread attention for its sustainability. Herein, we fabricated a series of monolithic Ni hydroxides-based electrocatalysts by a facile and in-situ electrochemical method through the manipulation of local pH near electrode. The as-synthesized Ni(OH)2@NF-1
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Viologen-based solution-processable ionic porous polymers for electrochromic applications Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Hongya Miao, Ling Chen, Fangfang Xing, Huijie Li, Thomas Baumgartner, Xiaoming He
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Understanding Electrochemical Interfaces through Comparing Experimental and Computational Charge Density-Potential Curves Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Nandita Mohandas, Sumit Bawari, Jani J.T. Shibuya, Soumya Ghosh, Jagannath Mondal, Tharangattu N. Narayanan, Angel Cuesta
Electrode-electrolyte interfaces play a decisive role in electrochemical charge accumulation and transfer processes. Theoretical modelling of these interfaces is critical to decipher the microscopic details of such phenomena. Different force field-based molecular dynamics protocols are compared here in a view to connect calculated and experimental charge density-potential relationships. Platinum-aqueous
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Enantioselective synthesis of α-aryl α-hydrazino phosphonates Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Saul Alberca, Javier Romero-Parra, Israel Fernandez, Rosario Fernández, Jose M. Lassaletta, David Monge
Catalysts generated in situ by the combination of pyridine-hydrazone N,N-ligands and Pd(TFA)2 have been applied to the addition of arylboronic acids to formylphosphonate-derived hydrazones, yielding α-aryl α-hydrazino phosphonates in excellent enantioselectivities (96−>99% ee). Subsequent removal of the benzyloxycarbonyl (Cbz) N-protecting group afforded key building blocks en route to appealing artificial
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Monolithic 3D nanoelectrospray emitters based on continuous fluid-assisted etching strategy for glass droplet microfluidic chip-mass spectrometry Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Yaoyao Zhao, Ziyang Guo, Yingqi Zhao, Zhao Jin, Yaran Chang, Xiayan Wang, Guangsheng Guo
Glass microfluidic chips are suitable for coupling with mass spectrometry (MS) due to their flexible design, optical transparency and resistance to organic reagents. However, due to the high hardness and brittleness of glass, there is a lack of simple and feasible technology to manufacture a monolithic nanospray ionization (nESI) emitter on a glass microchip, which hinders its coupling with mass spectrometry
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Photo-Thermal Synergistic CO2 Hydrogenation towards CO over PtRh Bimetal-Decorated GaN Nanowires/Si Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Jinglin Li, Bowen Sheng, Liang Qiu, Jiajia Yang, Ping Wang, Yixin Li, Tianqi Yu, Hu Pan, Ying Li, Muhan Li, Lei Zhu, Xinqiang Wang, Zhen Huang, Baowen Zhou
Photo-thermal-synergistic hydrogenation is a promising strategy for upcycling carbon dioxide into fuels and chemicals by maximally utilizing full-spectrum solar energy. Herein, by immobilizing Pt-Rh bimetal onto a well-developed GaN NWs/Si platform, CO2 was photo-thermo-catalytically hydrogenated towards CO under concentrated light illumination without extra energies. The as-designed architecture demonstrates
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Optoelectronic insights of lead-free layered halide perovskites Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Vishwadeepa Hazra, Arnab Mandal, Sayan Bhattacharyya
Two-dimensional organic-inorganic halide perovskites have emerged as promising candidates for a multitude of optoelectronic technologies, owing to their versatile structure and electronic properties. The optical and electronic properties are harmoniously integrated with both the inorganic metal halide octahedral slab, and the organic spacer layer. The inorganic octahedral layers can also assemble into
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1,5-Hydrogen Atom Transfer of α-Iminyl Radical Cations: A New Platform for Relay Annulation towards Pyridine Derivatives and Axially Chiral Heterobiaryls Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Yu-Qiang Zhou, Kui-Cheng He, Wei-Hao Zheng, Jing-Fang Lv, Shi-Mei He, Ning Yu, Yun-Bo Yang, Lv-Yan Liu, Kun Jiang, Ye Wei
The exploitation of new reactive species and novel transformation modes for their synthetic applications have significantly promoted the development of synthetic organic methodology, drug discovery, and advanced functional materials. α-Iminyl radical cations, a class of distonic ions, exhibit great synthetic potential towards the synthesis of valuable molecules. For their generation, radical conjugate
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Highly intense NIR emissive Cu4Pt2 bimetallic clusters featuring Pt(I)-Cu4-Pt(I) sandwich kernel Chem. Sci. (IF 8.4) Pub Date : 2024-04-23 Rui-Ru Zhong, Mo Xie, Cui-Zhou Luan, Lin-Mei Zhang, De-Bo Hao, Shang-Fu Yuan, Tao Wu
Metal nanoclusters (NCs) capable of near-infrared (NIR) photoluminescence (PL) are gaining increasing interest for their potential applications in bioimaging, cell labelling, and phototherapy. However, the limited quantum yield (QY) of NIR emission in metal NCs, especially those emitting beyond 800 nm, hinders their widespread applications. Herein, we present a bright NIR luminescence (PLQY up to 36%
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Photovoltaic-driven Ni(II)/Ni(III) redox mediator for the valorization of PET plastic waste with hydrogen production Chem. Sci. (IF 8.4) Pub Date : 2024-04-22 Jianying Wang, Xin Li, Ting Zhang, Xinyu Chai, Mingze Xu, Menglei Feng, Chengcheng Cai, Zuofeng Chen, Xufang Qian, Yixin Zhao
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Quasicrystal approximants in isoreticular metal-organic frameworks via Cairo pentagonal tiling Chem (IF 23.5) Pub Date : 2024-04-22 Le Shi, Zhangyi Xiong, Hao Wang, Honghao Cao, Zhijie Chen
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A copper-masked monosubstituted carbene as a general transmetalating agent toward stable carbene complexes Chem (IF 23.5) Pub Date : 2024-04-22 María Álvarez, Francisco Villalba, Martina Casciotti, Francisco Molina, Giuseppe Sciortino, Agustí Lledós, Ana C. Albéniz, Tomás R. Belderrain, Pedro J. Pérez
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Iridium(III)-catalyzed photoredox cross-coupling of alkyl bromide with trialkyl amines: Access to α-alkylated aldehydes Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Gaurav Shukla, Malkeet Singh, Saurabh Singh, Maya Shankar Singh
A C(sp3)-C(sp3) cross coupling approach based on an Iridium-photocatalytic radical process has been developed enabling the synthesis of various α-alkylated aldehydes from easily available/synthesized alkyl bromides and trialkyl amines under mild photocatalytic conditions. The synthesized aldehydes are also explored as a functional handle for various useful products such as carboxylic acids, alcohols
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Effect of Incorporation of Gallium Ion into Silver Indium Sulfide Nanocrystals Chem. Commun. (IF 4.9) Pub Date : 2024-04-23 Jiyeon Ban, So Young Eom, Hak June Lee, Mai Ngoc An, Beomsu Cho, Yong Ho Lee, Wan Ki Bae, Kwang Seob Jeong
Various methods thoroughly investigate the gallium ion incorporation mechanism into silver indium gallium sulfide (AIGS) nanocrystals, including photoluminescence (PL) and X-ray photoelectron spectra, which exhibit interesting correlations. Shell-growth reaction on the AIGS nanocrystal enhances a PL quantum yield of up to 16 %, with which the quantum dot light-emitting diode was successfully fabricated
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Observation of Super-Nernstian Proton-Coupled Electron Transfer and Elucidation of Nature of Charge Carriers in a Multiredox Conjugated Polymer Chem. Sci. (IF 8.4) Pub Date : 2024-04-22 Duyen K. Tran, Sarah M. West, Elizabeth M. K. Speck, Samson A. Jenekhe
Nernstian proton-coupled electron transfer (PCET) is a fundamental process central to many physical and biological systems, such as electrocatalysis, enzyme operation, DNA biosynthesis, pH-/bio-sensors, and electrochemical energy storage devices. We report herein the discovery of super-Nernstian PCET behavior with two protons per electron transferred in the electrochemical doping of a redox conjugated