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Organic Hole Transport Materials for High Performance PbS Quantum Dot Solar Cells Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Li Zhang, Shunqiang Wang, Yi Shi, Jiazi Xu, Shuang Cao, Zijian Deng, Yong Chen, Junjie Zhang, Xichuan Yang, Zhen Meng, Quli Fan, Bin Sun
We developed a triazatruxene-based hole transport material (HTM), 3Ka-DBT-3Ka, aiming to enhance band alignment and augment charge generation and collection in devices, alternative for 1,2-ethanedithiol (EDT). The PbS CQD solar cells employing 3Ka-DBT-3Ka as the HTM achieve a peak efficiency of 11.4%, surpassing devices employing the conventional PbS-EDT HTM (8.9%).
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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 Edward Janzen, Justin Douglas, Ward H Thompson, Mikhail V. Barybin
The E1/2 potential associated with reduction of the linearly-functionalized 6,6’-biazulenic scaffold is accurately correlated to the combined σp Hammett parameters of the substituents over >600 mV range. X-ray crystallographic analysis of the 2,2’-dichloro-substituted derivative revealed unexpectedly short C-Cl bond distances, along with other metric changes, suggesting a non-trivial cycloheptafulvalene-like
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Redox Gating for Colossal Carrier Modulation and Unique Phase Control (Adv. Mater. 16/2024) Adv. Mater. (IF 29.4) Pub Date : 2024-04-18 Le Zhang, Changjiang Liu, Hui Cao, Andrew J. Erwin, Dillon D. Fong, Anand Bhattacharya, Luping Yu, Liliana Stan, Chongwen Zou, Matthew V. Tirrell, Hua Zhou, Wei Chen
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Crystallographic and Photophysical Analysis on Facet-Controlled Defect-Free Blue-Emitting Quantum Dots (Adv. Mater. 16/2024) Adv. Mater. (IF 29.4) Pub Date : 2024-04-18 Yu Jin Lee, Sungwoo Kim, Junho Lee, Eunseog Cho, Yu-ho Won, Taehyung Kim, Dongho Kim
Quantum Dots
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Proton-Assisted Assembly of Colloidal Nanoparticles into Wafer-Scale Monolayers in Seconds (Adv. Mater. 16/2024) Adv. Mater. (IF 29.4) Pub Date : 2024-04-18 Doeun Kim, JuHyeong Lee, Gyurin Kim, Jiyeong Ma, Hyun Min Kim, Jang-Hwan Han, Hyeon-Ho Jeong
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Increase in the efficiency and stability of large-area flexible organic photovoltaic modules via improved electrical contact Nat. Energy (IF 56.7) Pub Date : 2024-04-18 Xin Lu, Cong Xie, Yang Liu, Hui Zheng, Kai Feng, Zedong Xiong, Wanxia Wei, Yinhua Zhou
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Organic solvent enhances oxidative folding of disulfide-rich proteins Nat. Chem. (IF 21.8) Pub Date : 2024-04-18 Shay Laps, Norman Metanis
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Londoners see what a scientist looks like up close in 50 photographs Nature (IF 64.8) Pub Date : 2024-04-18
Nature’s Where I Work images are being exhibited in the UK capital until June.
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Burnt remains of Maya royalty mark a dramatic power shift Nature (IF 64.8) Pub Date : 2024-04-18
Finds in pyramid at Guatemalan site suggest that remains were disinterred and desecrated in a public ritual.
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Violent volcanoes have wracked Jupiter’s moon Io for billions of years Nature (IF 64.8) Pub Date : 2024-04-18
Understanding the volcanic moon’s history could offer fresh insights into conditions on early Earth.
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Meet ‘goldene’: this gilded cousin of graphene is also one atom thick Nature (IF 64.8) Pub Date : 2024-04-18
Sheets of gold might find use as catalysts, or in light-sensing devices.
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AI’s keen diagnostic eye Nature (IF 64.8) Pub Date : 2024-04-18
Powered by deep-learning algorithms, artificial intelligence systems could replace agents such as chemicals currently used to augment medical scans.
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This water bottle purifies your drink with energy from your steps Nature (IF 64.8) Pub Date : 2024-04-17
Static electricity generated by the foot striking the ground can be captured to kill pathogens.
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Promiscuous G-protein activation by the calcium-sensing receptor Nature (IF 64.8) Pub Date : 2024-04-17 Hao Zuo, Jinseo Park, Aurel Frangaj, Jianxiang Ye, Guanqi Lu, Jamie J. Manning, Wesley B. Asher, Zhengyuan Lu, Guo-bin Hu, Liguo Wang, Joshua Mendez, Edward Eng, Zhening Zhang, Xin Lin, Robert Grassucci, Wayne A. Hendrickson, Oliver B. Clarke, Jonathan A. Javitch, Arthur D. Conigrave, Qing R. Fan
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Control of neuronal excitation–inhibition balance by BMP–SMAD1 signalling Nature (IF 64.8) Pub Date : 2024-04-17 Zeynep Okur, Nadia Schlauri, Vassilis Bitsikas, Myrto Panopoulou, Raul Ortiz, Michaela Schwaiger, Kajari Karmakar, Dietmar Schreiner, Peter Scheiffele
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Smoking bans are coming: what does the evidence say? Nature (IF 64.8) Pub Date : 2024-04-17
Countries are cracking down on tobacco use and vaping — the laws could save thousands of lives and billions of dollars, say scientists.
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Exploring the lung microbiome’s role in disease Nature (IF 64.8) Pub Date : 2024-04-17
Unusual microbial communities in a person’s lower airways could influence the onset and progression of lung cancer and other conditions, and might point the way to therapies.
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Dad always mows on summer Saturday mornings Nature (IF 64.8) Pub Date : 2024-04-17
A clear-cut success.
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Researchers want a ‘nutrition label’ for academic-paper facts Nature (IF 64.8) Pub Date : 2024-04-17
An ‘at a glance’ approach to publication details, such as journal acceptance rates and the number of peer reviewers, would promote transparency, scientists say.
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We must protect the global plastics treaty from corporate interference Nature (IF 64.8) Pub Date : 2024-04-17
A United Nations-backed agreement to end plastic pollution is within reach — but only if scientists, civil society and businesses unite against powerful vested interests.
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Deadly diseases and inflatable suits: how I found my niche in virology research Nature (IF 64.8) Pub Date : 2024-04-17
Virologist Hulda Jónsdóttir studies some of the world’s most pathogenic viruses at the Spiez Laboratory in Switzerland.
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Nanoparticle fix opens up tricky technique to forensic applications Nature (IF 64.8) Pub Date : 2024-04-17 Peter J. Vikesland
A technique for measuring trace quantities of molecules in water.
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How young people benefit from Swiss apprenticeships Nature (IF 64.8) Pub Date : 2024-04-17
Computational biologist Jitao David Zhang says that the country’s vocational training programme teaches key work and life skills.
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Coupled neural activity controls working memory in humans Nature (IF 64.8) Pub Date : 2024-04-17 Ziv Williams
Temporarily holding on to information depends on coordinated brain waves.
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CERN’s impact goes way beyond tiny particles Nature (IF 64.8) Pub Date : 2024-04-17
A global effort to uncover the nature of the Universe has had resounding effects on scientists and society.
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UN plastics treaty: don’t let lobbyists drown out researchers Nature (IF 64.8) Pub Date : 2024-04-17
Tackling plastic pollution needs scientists to be in the negotiating room at upcoming talks.
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Canadian science gets biggest boost to PhD and postdoc pay in 20 years Nature (IF 64.8) Pub Date : 2024-04-17
Government budget includes more money for basic research and notable increases to postgraduate stipends.
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Humans and their livestock have sheltered in this Saudi Arabian cave for 10,000 years Nature (IF 64.8) Pub Date : 2024-04-17
Saudi herders have travelled the same routes for millennia, cave discovery suggests.
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Keys, wallet, phone: the neuroscience behind working memory Nature (IF 64.8) Pub Date : 2024-04-17
Hear the biggest stories from the world of science | 17 April 2024
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I dive for fish in the longest freshwater lake in the world Nature (IF 64.8) Pub Date : 2024-04-17
Biologist Carolin Sommer-Trembo describes her fascination for fish and why she enjoys doing science in Switzerland.
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Bacteria deploy umbrella toxins against their competitors Nature (IF 64.8) Pub Date : 2024-04-17 Sarah J. Coulthurst
Streptomyces bacteria make a previously unknown antibacterial agent.
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Surprise hybrid origins of a butterfly species Nature (IF 64.8) Pub Date : 2024-04-17 Megan E. Frayer, Jenn M. Coughlan
Longwing butterfly species found to be a rare type of hybrid.
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An exploration of how the insect-wing hinge functions Nature (IF 64.8) Pub Date : 2024-04-17 Tanvi Deora
Insights into control of the joints that connect fly wings to their body.
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AI traces mysterious metastatic cancers to their source Nature (IF 64.8) Pub Date : 2024-04-17
Algorithm examines images of metastatic cells to identify the location of the primary tumour.
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What toilets can reveal about COVID, cancer and other health threats Nature (IF 64.8) Pub Date : 2024-04-17
Wastewater testing grew tremendously during the pandemic. But is it ready to tackle the opioid crisis, air pollution and antibiotic resistance?
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The sympathetic nervous system arose in the earliest vertebrates Nature (IF 64.8) Pub Date : 2024-04-17 Uwe Ernsberger, Hermann Rohrer
Jawless vertebrate has sympathetic neurons.
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How India can become a science powerhouse Nature (IF 64.8) Pub Date : 2024-04-16
As the world’s largest election kicks off this week, India has an opportunity to reimagine science funding.
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Prismatic alkali-ion environment suppresses plateau hysteresis in lattice oxygen redox reactions Energy Environ. Sci. (IF 32.5) Pub Date : 2024-04-18 Hao Yu, Ang Gao, Xiaohui Rong, Shipeng Shen, Xinqi ZHENG, Liqin Yan, Haibo Wang, Dan Su, Zilin Hu, Wang Hay Jack Kan, Huaican Chen, Wen Yin, Yaxiang Lu, Qing-Hua Zhang, Lin Gu, Claude Delmas, Liquan Chen, Shouguo Wang, Yong-Sheng Hu
Voltage hysteresis as the toughest challenge hampers the development of Lattice Oxygen Redox (LOR) in high-energy density positive electrode. Finding out the decisive factor in voltage hysteresis of LOR is crucial for suppressing the irreversibility at its source. Herein, starting from the discovery of the plateau hysteresis in ribbon-ordered Na-deficient Transition Metal Oxides (Na-deficient-TMOs)
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Quinoxaline-Benzothiadiazole Heterotrimer Enabling Organic Solar Cells with Extraordinary Efficiency and Stability Energy Environ. Sci. (IF 32.5) Pub Date : 2024-04-18 Yanming Sun, Jinfeng Liu, Xiaopeng Duan, Jiali Song, Chunhui Liu, Min Hun Jee, Han Young Woo, Jiaxin Gao, Zheng Tang
Organic solar cells (OSCs) based on oligomer acceptors have garnered significant interest for their notable power conversion efficiency (PCE) and enduring stability. Despite their great potential, the development of oligomer acceptors remains behind traditional small molecule acceptors (SMA) -based systems, primarily due to a scarcity of effective oligomer materials. To address this gap, our study
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Large-Area All-Perovskite-Based Coplanar Photoelectrodes for Scaled-Up Solar Hydrogen Production Energy Environ. Sci. (IF 32.5) Pub Date : 2024-04-18 Wooyong Jeong, Gyumin Jang, Juwon Yun, Chang-Seop Jeong, Young Sun Park, Hyungsoo Lee, Jaehyun Son, Chan Uk Lee, Jeongyoub Lee, Junwoo Lee, Seongyeon Yang, Soobin Lee, Subin Moon, Jooho Moon
Recently, lead halide perovskites (LHPs) have been intensively investigated for use as photoelectrodes in photoelectrochemical (PEC) water splitting systems, and PEC water splitting systems with LHP electrodes have shown outstanding solar-to-hydrogen (STH) efficiencies. Despite the significant role of large-scale deployment for practical commercialization, the fabrication of large-area LHP photoelectrodes
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Selective C(aryl)–O bond cleavage in biorenewable phenolics Chem. Soc. Rev. (IF 46.2) Pub Date : 2024-04-18 Gilles De Smet, Xingfeng Bai, Bert U. W. Maes
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Gel polymer electrolytes for rechargeable batteries toward wide-temperature applications Chem. Soc. Rev. (IF 46.2) Pub Date : 2024-04-18 Xiaoyan Zhou, Yifang Zhou, Le Yu, Luhe Qi, Kyeong-Seok Oh, Pei Hu, Sang-Young Lee, Chaoji Chen
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Structure-regulated enhanced Raman scattering on a semiconductor to study temperature-influenced Enantioselective Identification Chem. Sci. (IF 8.4) Pub Date : 2024-04-18 Jing Xu, Junhan Li, Xuao Liu, Xu Hu, Zhou Hairihan, Zhida Gao, Jingwen Xu, Yan-Yan Song
Surface-enhanced Raman scattering (SERS) spectroscopy is an effective technique that can reveal molecular structure and molecular interaction details. Semiconductor-based SERS platforms exhibit multifaceted tunability and unique selectivity to target molecules as well as high spectral reproducibility. However, the detection sensitivity of semiconductors is impeded by inferior SERS enhancement. Herein
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A p-block dopant enables energy-efficient hydrogen production from biomass Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Wenxian Liu, Jiawei Tang, Chao Kong, Ruilian Yin, Wei Guo, Jiale Dai, Fangfang Wu, Wenhui Shi, Xiehong Cao
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Enabling wide temperature battery operation with hybrid lithium electrolytes Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Spencer A. Langevin, Tanner Hamann, Courtney McHale, Jesse Ko
We demonstrate that an ionic liquid 1-ethyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide combined with propylene carbon- ate yields a hybrid electrolyte with a wide operational temperature window (–20 °C to 60 °C). When integrated into a lithium titanate||lithium cobalt oxide full-cell configuration, high-rate capability is achieved at –20 °C with >40% retention at a C/2 cycling rate, and
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Recent advances in electrosynthesis of H2O2 via two-electron oxygen reduction reaction Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Ao Yu, Shengwen Liu, Yang Yang
The electrosynthesis of hydrogen peroxide (H2O2) via a selective two-electron oxygen reduction reaction (2e- ORR) presents a green and low-energy-consumption alternative to the traditional, energy-intensive anthraquinone process. This review encapsulates the principles in designing relational electrocatalysts for 2e- ORR and remaining setups for large-scaled H2O2 production. Initially, the review delineates
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Electron-insulating Li2O protection layer endowing Li-Cu-Zn ternary alloy composite anode with high performance Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Linyun Yi, Zihao Wang, Xiaoxiao Chen, Jianxiong Xing, Hao Huang, Chaohui Wei, Qiang Zhao, Aijun Zhou, Jingze Li
We report a electron-insulating layer of Li2O nanoparticles passivated Li-rich Li-Cu-Zn ternary alloy as advanced Li anode. The insulating layer ensures Li deposition below the top protective layer and inhibit side reactions effectively. Additionally, the ternary alloy framework offers superior lithiophilicity and robust mechanical stability. Galvanostatic measurements demonstrate a prolonged lifespan
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Layered BaV6O16·3H2O@GO as a High Performance Cathode Material for Calcium Ion Batteries Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Lixiao Xiang, Wen-Hua Yang, Yuanhao Wang, Xiang Sun, Jie Xu, Derang Cao, Qiang Li, Hongsen Li, Xia Wang
The lack of suitable cathode materials has hampered the further development of calcium-ion batteries (CIBs). A novel composite cathode material, namely BaV6O16·3H2O@GO was fabricated, which delivers a high specific capacity of 285.72 mAh g-1 at 50 mA g-1 after 50 cycles and long cycle life, benefiting from large layer spacing and robust structure. This study provides guidance for the development of
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Pure separation of acetylene based on a sulfonic acid and amino group functionalized Zn-MOF Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Yu-Xin Deng, Guo-Ping Yang, Yao-Yu Wang
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Cascade Ring Expansion Reactions for the synthesis of medium-sized rings and macrocycles Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Jack Wootton, Jerry Tam, William Paul Unsworth
This Feature Article discusses recent advances in the development of cascade ring expansion reactions for the synthesis of medium-sized rings and macrocycles. Cascade ring expansion reactions have much potential for use in the synthesis of biologically important medium-sized rings and macrocycles, most notably as they don’t require high dilution conditions, which are commonly used in established end-to-end
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An NIR-II-emitting type-I photosensitizer for efficient hypoxic tumor phototheranostics Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Qi Wang, Ruoqing Wang, Xiaoyuan Wang, Mingxuan Fu, Yicong Gao, Jianfeng Feng, Renyong Geng, Zhen Yuan, Quli Fan, Feng Lu
A small molecule-based NIR-II type-I photosensitizer (IT-IC) with strong push-pull effect and well plane π-conjugated structure was synthesized. IT-IC NPs exhibited strong light absorption, outstanding NIR-II fluorescence emission, excellent photothermal conversion and efficient type-I/II ROS generation, which showed encouraging therapeutic outcome for hypoxic tumor.
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Organocatalytic Access to 3-Pyridylphosphonates from Vinyl Phosphonates and Aldehydes Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Ram Subhawan Verma, Anil Kumar Khatana, Deepika Verma, Bhoopendra Tiwari
The preparation of 3-phosphorylated pyridines has remained the most challenging compared to the corresponding 2- or 4-functionalized pyridines. Herein, an unprecedented amino-organocatalyzed direct synthesis of 3-pyridylphosphonates from vinylphosphonates and aldehydes has been achieved. This allows access to a wide range of multi-substituted phosphorylated pyridines in excellent yields under a transition
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A Two Carbon homologation of Friedel-Crafts alkylation enabled by Photochemical Alkene Stitching: Modular assembly of Cyclolignans Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Soumitra Maity, Shyamal Pramanik, Apurba Samanta
Herein we report an efficient two-carbon homologated variant of Friedel-crafts alkylation via photochemical radical alkene stitching. Readily available feedstock alkenes are used as bridges between photogenerated alkyl radicals and arenes, opening a route to γ-aryl-carbonyls for chemo-divergent access to aryltetralone and γ-lactones, a gateway to 2,7’-cyclolignans.
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Fluorescence monitoring of refluxed tyrosinase by endoplasmic reticulum-localized enzymatic activity-based sensing Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Dunji Shu, Wenzhi Xie, Huihong Liu, Jingjing Li, Jinglong Jiao, Guo-Jiang Mao, Sheng Yang, Kai Zhang
A tyrosinase-activatable fluorescence probe with endoplasmic reticulum targetability was proposed for the first time. It can ratiometrically fluoresce to monitor the refluxed tyrosinase into the endoplasmic reticulum.
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Exploring mitochondrial targeting: an innovative fluorescent probe reveals Nernstian potential and partitioning combination Chem. Commun. (IF 4.9) Pub Date : 2024-04-15 Javier Ordóñez-Hernández, Daniela Ceballos-Ávila, Fernando H. Real, Luis B. Tovar-Y-Romo, Arturo Jiménez-Sánchez
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Mechanochemical Synthesis of Perovskite Oxyhydrides: Insights from Shear Modulus J. Am. Chem. Soc. (IF 15.0) Pub Date : 2024-04-17 Yuki Sasahara, Rina Terada, Hiroki Ubukata, Miho Asahi, Daichi Kato, Tatsuya Tsumori, Morito Namba, Zefeng Wei, Cédric Tassel, Hiroshi Kageyama
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Photocatalytic Conversion of Methane to Ethanol at a Three-Phase Interface with Concentration-Matched Hydroxyl and Methyl Radicals J. Am. Chem. Soc. (IF 15.0) Pub Date : 2024-04-17 Chun He, Lan Shang, Hongfu Zhu, Lianchao Yu, Lingzhi Wang, Jinlong Zhang
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Alcohols as Substrates in Transition-Metal-Catalyzed Arylation, Alkylation, and Related Reactions Chem. Rev. (IF 62.1) Pub Date : 2024-04-17 Adam Cook, Stephen G. Newman
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Integrating recombinase polymerase amplification with CRISPR/Cas9-initiated nicking-rolling circle amplification in Staphylococcus aureus assay Chem. Commun. (IF 4.9) Pub Date : 2024-04-18 Jianguo Xu, Tong Zhou, Danni Xue, Zhuqi Sui, Haidong Yang, Xinyue Yuan, Qi Wang
We integrate recombinase polymerase amplification (RPA) with CRISPR/Cas9-initiated nicking rolling circle amplification (CRISPR/Cas9-nRCA) for detecting Staphylococcus aureus. This approach utilizes a unique dimeric G-triplex structure, demonstrating firstly enhanced ThT fluorescence for target detection. The proof-of-concept study introduces a new avenue for integrating isothermal amplifications with
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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
Through the integration of CRISPR/Cpf1 with optogenetics and a reduction-responsive motif, we have developed a photoactivatable cross-linked crRNA that enables precise genome editing upon light exposure. This system also allows for termination of editing activity through external application of reducing agents. The dual-stimuli-responsive CRISPR/Cpf1 editing process operates in a unique OFFONOFF