Works by Wei, Donghui

Results: 92

Study on the mechanism of hepatotoxicity of Aucklandiae radix through liver metabolomics and network pharmacology.

Published in:

Toxicology Research, 2024, v. 13, n. 4, p. 1, doi. 10.1093/toxres/tfae123

By:

Song, Shen;
Qiu, Rongli;
Huang, Yan;
Zhou, Zhuxiu;
Yan, Jin;
Ou, Qiaochan;
Wei, Donghui;
He, Jingxuan;
Liang, Yi;
Du, Xingyue;
Yao, Weifeng;
Lu, Tulin

Publication type:

Article

An analysis method including orbital overlap directions for predicting π electron properties and reactivity vectors.

Published in:

Nature Communications, 2025, v. 16, n. 1, p. 1, doi. 10.1038/s41467-025-58281-9

By:

Shi, Xiaofei;
Song, Jinshuai;
Wei, Donghui

Publication type:

Article

Regio- and stereoselective access to highly substituted vinylphosphine oxides via metal-free electrophilic phosphonoiodination of alkynes.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-49640-z

By:

Dong, Bingbing;
Zhao, Fengqian;
Lv, Wen-Xin;
Liu, Ying-Guo;
Wei, Donghui;
Wu, Junliang;
Chi, Yonggui Robin

Publication type:

Article

Two Birds with One Stone: High Efficiency and Low Synthetic Cost for Benzotriazole‐Based Polymer Solar Cells by a Simple Chemical Approach.

Published in:

Advanced Energy Materials, 2020, v. 10, n. 39, p. 1, doi. 10.1002/aenm.202002142

By:

Xue, Xiaonan;
Zheng, Bing;
Zhang, Yu;
Zhang, Ming;
Wei, Donghui;
Liu, Feng;
Wan, Meixiu;
Liu, Juan;
Chen, Guangming;
Huo, Lijun

Publication type:

Article

Steric Engineering of Alkylthiolation Side Chains to Finely Tune Miscibility in Nonfullerene Polymer Solar Cells.

Published in:

Advanced Energy Materials, 2019, v. 9, n. 4, p. N.PAG, doi. 10.1002/aenm.201802686

By:

Xue, Xiaonan;
Weng, Kangkang;
Qi, Feng;
Zhang, Yu;
Wang, Zaiyu;
Ali, Jazib;
Wei, Donghui;
Sun, Yanming;
Liu, Feng;
Wan, Meixiu;
Liu, Juan;
Huo, Lijun

Publication type:

Article

High Performance Organic Solar Cells Based on a Twisted Bay-Substituted Tetraphenyl Functionalized Perylenediimide Electron Acceptor.

Published in:

Advanced Energy Materials, 2015, v. 5, n. 11, p. n/a, doi. 10.1002/aenm.201500032

By:

Cai, Yunhao;
Huo, Lijun;
Sun, Xiaobo;
Wei, Donghui;
Tang, Mingsheng;
Sun, Yanming

Publication type:

Article

INDUCER OF CBF EXPRESSION 1 is a male fertility regulator impacting anther dehydration in Arabidopsis.

Published in:

PLoS Genetics, 2018, v. 14, n. 10, p. 1, doi. 10.1371/journal.pgen.1007695

By:

Wei, Donghui;
Liu, Mingjia;
Chen, Hu;
Zheng, Ye;
Liu, Yuxiao;
Wang, Xi;
Yang, Shuhua;
Zhou, Mingqi;
Lin, Juan

Publication type:

Article

π‐Electron Fluctuation‐Induced P+/C− Ambiphilic Interaction for Intramolecular CAr−H Bond Activation.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 9, p. 1, doi. 10.1002/chem.202302889

By:

Chen, Jianzhou;
Wang, Junjian;
Wang, Xinghua;
Wei, Donghui;
Duan, Zheng

Publication type:

Article

Atroposelective Synthesis of Triaryl α‐Pyranones with 1,2‐Diaxes by N‐Heterocyclic Carbene Organocatalysis.

Published in:

Angewandte Chemie, 2022, v. 134, n. 52, p. 1, doi. 10.1002/ange.202212005

By:

Zhang, Simiao;
Wang, Xiaoxue;
Han, Li‐Li;
Li, Jibin;
Liang, Zheng;
Wei, Donghui;
Du, Ding

Publication type:

Article

Asymmetric Carbene‐Catalyzed Oxidation of Functionalized Aldimines as 1,4‐Dipoles.

Published in:

Angewandte Chemie, 2021, v. 133, n. 14, p. 7992, doi. 10.1002/ange.202017017

By:

Wang, Guanjie;
Zhang, Qiao‐Chu;
Wei, Chenlong;
Zhang, Ye;
Zhang, Linxue;
Huang, Juhui;
Wei, Donghui;
Fu, Zhenqian;
Huang, Wei

Publication type:

Article

Efficient Thermally Activated Delayed Fluorescence from All‐Inorganic Cesium Zirconium Halide Perovskite Nanocrystals.

Published in:

Angewandte Chemie, 2020, v. 132, n. 49, p. 22109, doi. 10.1002/ange.202009101

By:

Liu, Siping;
Yang, Bin;
Chen, Junsheng;
Wei, Donghui;
Zheng, Daoyuan;
Kong, Qingkun;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Doped Zero‐Dimensional Cesium Zinc Halides for High‐Efficiency Blue Light Emission.

Published in:

Angewandte Chemie, 2020, v. 132, n. 48, p. 21598, doi. 10.1002/ange.202008098

By:

Cheng, Pengfei;
Feng, Lu;
Liu, Yuefeng;
Zheng, Daoyuan;
Sang, Youbao;
Zhao, Wenyuan;
Yang, Yang;
Yang, Songqiu;
Wei, Donghui;
Wang, Guoxiong;
Han, Keli

Publication type:

Article

Lead‐Free Sodium–Indium Double Perovskite Nanocrystals through Doping Silver Cations for Bright Yellow Emission.

Published in:

Angewandte Chemie, 2019, v. 131, n. 48, p. 17391, doi. 10.1002/ange.201909525

By:

Han, Peigeng;
Mao, Xin;
Yang, Songqiu;
Zhang, Fei;
Yang, Bin;
Wei, Donghui;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Colloidal Synthesis and Optical Properties of All‐Inorganic Low‐Dimensional Cesium Copper Halide Nanocrystals.

Published in:

Angewandte Chemie, 2019, v. 131, n. 45, p. 16233, doi. 10.1002/ange.201909129

By:

Cheng, Pengfei;
Sun, Lei;
Feng, Lu;
Yang, Songqiu;
Yang, Yang;
Zheng, Daoyuan;
Zhao, Yang;
Sang, Youbao;
Zhang, Ruiling;
Wei, Donghui;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Air‐Stable, Lead‐Free Zero‐Dimensional Mixed Bismuth‐Antimony Perovskite Single Crystals with Ultra‐broadband Emission.

Published in:

Angewandte Chemie, 2019, v. 131, n. 9, p. 2751, doi. 10.1002/ange.201812865

By:

Zhang, Ruiling;
Mao, Xin;
Yang, Yang;
Yang, Songqiu;
Zhao, Wenyuan;
Wumaier, Tuerdi;
Wei, Donghui;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

CALCIUM‐DEPENDENT PROTEIN KINASE32 regulates cellulose biosynthesis through post‐translational modification of cellulose synthase.

Published in:

New Phytologist, 2023, v. 239, n. 6, p. 2212, doi. 10.1111/nph.19106

By:

Xin, Xiaoran;
Wei, Donghui;
Lei, Lei;
Zheng, Haiyan;
Wallace, Ian S.;
Li, Shundai;
Gu, Ying

Publication type:

Article

Formation process and properties of hydrogen-producing granular sludge in UASB reactor.

Published in:

International Journal of Agricultural & Biological Engineering, 2018, v. 11, n. 5, p. 224, doi. 10.25165/j.ijabe.20181105.4255

By:

Yin, Lili;
Shuang Liu;
Mengyi Wang;
Wencong Ju;
Donghui Wei;
Wenzhe Li

Publication type:

Article

An efficient way of recycling silicon kerf waste for synthesis of high‐quality SiC.

Published in:

International Journal of Applied Ceramic Technology, 2020, v. 17, n. 1, p. 130, doi. 10.1111/ijac.13240

By:

Jiang, Shengnan;
Gao, Shuaibo;
Liu, Yang;
Cui, Xiaohua;
Jin, Xing;
Wei, Donghui;
Kong, Jian;
Xing, Pengfei

Publication type:

Article

Function mechanism of Y2O3 additive in silicon powder nitridation.

Published in:

International Journal of Applied Ceramic Technology, 2019, v. 16, n. 4, p. 1407, doi. 10.1111/ijac.13207

By:

Jin, Xing;
Xing, Pengfei;
Zhuang, Yanxin;
Kong, Jian;
Jiang, Shengnan;
Wei, Donghui

Publication type:

Article

N‐Heterocyclic Carbene‐Diboron‐Substrate Cooperatively Facilitate Direct Amidation of Carboxylic Acids and Amines.

Published in:

Advanced Synthesis & Catalysis, 2025, v. 367, n. 11, p. 1, doi. 10.1002/adsc.202401441

By:

Wu, Di;
Wang, Yang;
Tao, Sheng;
Wang, Tao;
Chen, Fei;
Du, Zhi‐Hong;
Bo, Chun‐Bo;
Li, Min;
Dai, Bin;
Wei, Donghui;
Liu, Ning

Publication type:

Article

High‐Valent Cobalt‐Catalyzed C−H Activation/Annulation of 2‐Benzamidopyridine 1‐Oxide with Terminal Alkyne: A Combined Theoretical and Experimental Study.

Published in:

Advanced Synthesis & Catalysis, 2018, v. 360, n. 14, p. 2668, doi. 10.1002/adsc.201800036

By:

Wang, Yang;
Du, Cong;
Wang, Yanyan;
Guo, Xiaokang;
Fang, Lei;
Song, Mao‐Ping;
Niu, Jun‐Long;
Wei, Donghui

Publication type:

Article

Elucidation on the Treatment of π Bond Order of CnHn (n = 4 and 8) Systems Using Hückel Molecular Orbital Method.

Published in:

University Chemistry, 2023, v. 38, n. 2, p. 266, doi. 10.3866/PKU.DXHX202205025

By:

Huiting Wang;
Xiaofei Shi;
Donghui Wei

Publication type:

Article

A Computational Study on the 4‐Dimethylaminopyridine (DMAP)‐Catalyzed Regioselective [2+4] Cyclization of Allenic Ester with Cyclic Ketimine.

Published in:

ChemistrySelect, 2018, v. 3, n. 38, p. 10553, doi. 10.1002/slct.201802267

By:

Liu, Qiuli;
Li, Shi‐Jun;
Li., Xue;
Qu, Ling‐Bo;
Wei, Donghui

Publication type:

Article

A DFT Study of N‐Heterocyclic Carbene Catalyzed [4+2] Annulation between Saturated Carboxylate with ortho‐Quinone Methide: Possible Mechanisms and Origin of Enantioselectivity.

Published in:

ChemistrySelect, 2017, v. 2, n. 28, p. 8856, doi. 10.1002/slct.201701679

By:

Wang, Wei;
Wei, Donghui

Publication type:

Article

Mechanisms of the Reactions of B‐Substituted Amine Boranes with THF·BH3.

Published in:

European Journal of Inorganic Chemistry, 2019, v. 2019, n. 47, p. 4994, doi. 10.1002/ejic.201900847

By:

Guo, Yu;
Wang, Xinghua;
Ma, Nana;
Cao, Yilin;
Hussain, Sajjad;
Zhang, Jie;
Wei, Donghui;
Chen, Xuenian

Publication type:

Article

Non‐Fullerene Organic Solar Cells Based on Benzo[1,2‐b:4,5‐b′]difuran‐Conjugated Polymer with 14% Efficiency.

Published in:

Advanced Functional Materials, 2020, v. 30, n. 6, p. 1, doi. 10.1002/adfm.201906809

By:

Li, Xueshan;
Weng, Kangkang;
Ryu, Hwa Sook;
Guo, Jing;
Zhang, Xuning;
Xia, Tian;
Fu, Huiting;
Wei, Donghui;
Min, Jie;
Zhang, Yuan;
Woo, Han Young;
Sun, Yanming

Publication type:

Article

Syntheses, structures of N-(substituted)-2-aza-[3]-ferrocenophanes and their application as redox sensor for Cu2+ ion.

Published in:

Applied Organometallic Chemistry, 2012, v. 26, n. 9, p. 449, doi. 10.1002/aoc.2839

By:

Chen, Lianmei;
Cui, Xiuling;
Cheng, Haitao;
Chen, Xiaopei;
Song, Maoping;
Tang, Mingsheng;
Wei, Donghui;
Wu, Yangjie

Publication type:

Article

Desymmetrization of N-Cbz glutarimides through N-heterocyclic carbene organocatalysis.

Published in:

Nature Communications, 2022, v. 13, n. 1, p. 1, doi. 10.1038/s41467-022-31760-z

By:

Hu, Zhouli;
Wei, Chenlong;
Shi, Qianqian;
Hong, Xianfang;
Liu, Jinhua;
Zhou, Xiangui;
Han, Jinna;
Cao, Wei;
Gupta, Ashis Kumar;
Zhang, Xiaoxiang;
Wei, Donghui;
Fu, Zhenqian;
Huang, Wei

Publication type:

Article

Hydrogen Evolution Reaction: Coupling of Ru and O‐Vacancy on 2D Mo‐Based Electrocatalyst Via a Solid‐Phase Interface Reaction Strategy for Hydrogen Evolution Reaction (Adv. Energy Mater. 26/2021).

Published in:

Advanced Energy Materials, 2021, v. 11, n. 26, p. 1, doi. 10.1002/aenm.202170102

By:

Cai, Jialin;
Ding, Jie;
Wei, Donghui;
Xie, Xin;
Li, Baojun;
Lu, Siyu;
Zhang, Jianmin;
Liu, Yushan;
Cai, Qiang;
Zang, Shuangquan

Publication type:

Article

Coupling of Ru and O‐Vacancy on 2D Mo‐Based Electrocatalyst Via a Solid‐Phase Interface Reaction Strategy for Hydrogen Evolution Reaction.

Published in:

Advanced Energy Materials, 2021, v. 11, n. 26, p. 1, doi. 10.1002/aenm.202100141

By:

Cai, Jialin;
Ding, Jie;
Wei, Donghui;
Xie, Xin;
Li, Baojun;
Lu, Siyu;
Zhang, Jianmin;
Liu, Yushan;
Cai, Qiang;
Zang, Shuangquan

Publication type:

Article

Over 14% Efficiency Single‐Junction Organic Solar Cells Enabled by Reasonable Conformation Modulating in Naphtho[2,3‐b:6,7‐b′]difuran Based Polymer.

Published in:

Advanced Energy Materials, 2021, v. 11, n. 13, p. 1, doi. 10.1002/aenm.202003954

By:

Zheng, Bing;
Qi, Feng;
Zhang, Yu;
Zhang, Ming;
Gao, Panfeng;
Liu, Feng;
Li, Tianchen;
Wei, Donghui;
Wan, Meixiu;
Chen, Guangming;
Huo, Lijun;
Jiang, Lei

Publication type:

Article

Atroposelective Synthesis of Triaryl α‐Pyranones with 1,2‐Diaxes by N‐Heterocyclic Carbene Organocatalysis.

Published in:

Angewandte Chemie International Edition, 2022, v. 61, n. 52, p. 1, doi. 10.1002/anie.202212005

By:

Zhang, Simiao;
Wang, Xiaoxue;
Han, Li‐Li;
Li, Jibin;
Liang, Zheng;
Wei, Donghui;
Du, Ding

Publication type:

Article

Asymmetric Carbene‐Catalyzed Oxidation of Functionalized Aldimines as 1,4‐Dipoles.

Published in:

Angewandte Chemie International Edition, 2021, v. 60, n. 14, p. 7913, doi. 10.1002/anie.202017017

By:

Wang, Guanjie;
Zhang, Qiao‐Chu;
Wei, Chenlong;
Zhang, Ye;
Zhang, Linxue;
Huang, Juhui;
Wei, Donghui;
Fu, Zhenqian;
Huang, Wei

Publication type:

Article

Efficient Thermally Activated Delayed Fluorescence from All‐Inorganic Cesium Zirconium Halide Perovskite Nanocrystals.

Published in:

Angewandte Chemie International Edition, 2020, v. 59, n. 49, p. 21925, doi. 10.1002/anie.202009101

By:

Liu, Siping;
Yang, Bin;
Chen, Junsheng;
Wei, Donghui;
Zheng, Daoyuan;
Kong, Qingkun;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Doped Zero‐Dimensional Cesium Zinc Halides for High‐Efficiency Blue Light Emission.

Published in:

Angewandte Chemie International Edition, 2020, v. 59, n. 48, p. 21414, doi. 10.1002/anie.202008098

By:

Cheng, Pengfei;
Feng, Lu;
Liu, Yuefeng;
Zheng, Daoyuan;
Sang, Youbao;
Zhao, Wenyuan;
Yang, Yang;
Yang, Songqiu;
Wei, Donghui;
Wang, Guoxiong;
Han, Keli

Publication type:

Article

Lead‐Free Sodium–Indium Double Perovskite Nanocrystals through Doping Silver Cations for Bright Yellow Emission.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 48, p. 17231, doi. 10.1002/anie.201909525

By:

Han, Peigeng;
Mao, Xin;
Yang, Songqiu;
Zhang, Fei;
Yang, Bin;
Wei, Donghui;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Colloidal Synthesis and Optical Properties of All‐Inorganic Low‐Dimensional Cesium Copper Halide Nanocrystals.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 45, p. 16087, doi. 10.1002/anie.201909129

By:

Cheng, Pengfei;
Sun, Lei;
Feng, Lu;
Yang, Songqiu;
Yang, Yang;
Zheng, Daoyuan;
Zhao, Yang;
Sang, Youbao;
Zhang, Ruiling;
Wei, Donghui;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Colloidal Synthesis and Optical Properties of All‐Inorganic Low‐Dimensional Cesium Copper Halide Nanocrystals.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 45, p. 16087, doi. 10.1002/anie.201909129

By:

Cheng, Pengfei;
Sun, Lei;
Feng, Lu;
Yang, Songqiu;
Yang, Yang;
Zheng, Daoyuan;
Zhao, Yang;
Sang, Youbao;
Zhang, Ruiling;
Wei, Donghui;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Air‐Stable, Lead‐Free Zero‐Dimensional Mixed Bismuth‐Antimony Perovskite Single Crystals with Ultra‐broadband Emission.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 9, p. 2725, doi. 10.1002/anie.201812865

By:

Zhang, Ruiling;
Mao, Xin;
Yang, Yang;
Yang, Songqiu;
Zhao, Wenyuan;
Wumaier, Tuerdi;
Wei, Donghui;
Deng, Weiqiao;
Han, Keli

Publication type:

Article

Thermodynamic study on the carbothermal nitridation synthesis of silicon nitride using silicon kerf loss.

Published in:

Journal of Thermal Analysis & Calorimetry, 2020, v. 139, n. 3, p. 1883, doi. 10.1007/s10973-019-08543-8

By:

Jin, Xing;
Kong, Jian;
Jiang, Shengnan;
Wei, Donghui;
Xing, Pengfei;
Zhuang, Yanxin

Publication type:

Article

Simulation of microtubule–cytoplasm interaction revealed the importance of fluid dynamics in determining the organization of microtubules.

Published in:

Plant Direct, 2023, v. 7, n. 7, p. 1, doi. 10.1002/pld3.505

By:

Murshed, Mohammad;
Wei, Donghui;
Gu, Ying;
Wang, Jin

Publication type:

Article

Catalytic asymmetric synthesis of planar-chiral dianthranilides via (Dynamic) kinetic resolution.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-48947-1

By:

Guan, Chun-Yan;
Zou, Shuai;
Luo, Can;
Li, Zhen-Yu;
Huang, Mingjie;
Huang, Lihua;
Xiao, Xiao;
Wei, Donghui;
Wang, Min-Can;
Mei, Guang-Jian

Publication type:

Article

Umpolung reactivity of strained C–C σ-bonds without transition-metal catalysis.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-47169-9

By:

Bai, Dachang;
Guo, Xiuli;
Wang, Xinghua;
Xu, Wenjie;
Cheng, Ruoshi;
Wei, Donghui;
Lan, Yu;
Chang, Junbiao

Publication type:

Article

Catalytic asymmetric dearomatization of phenols via divergent intermolecular (3 + 2) and alkylation reactions.

Published in:

Nature Communications, 2023, v. 14, n. 1, p. 1, doi. 10.1038/s41467-023-40891-w

By:

Gao, Xiang;
Han, Tian-Jiao;
Li, Bei-Bei;
Hou, Xiao-Xiao;
Hua, Yuan-Zhao;
Jia, Shi-Kun;
Xiao, Xiao;
Wang, Min-Can;
Wei, Donghui;
Mei, Guang-Jian

Publication type:

Article

Mechanisms of the cascade synthesis of substituted 4-amino-1,2,4-triazol-3-one from huisgen zwitterion and aldehyde hydrazone: A DFT study.

Published in:

Journal of Computational Chemistry, 2012, v. 33, n. 7, p. 715, doi. 10.1002/jcc.22906

By:

Zhang, Wenjing;
Zhu, Yanyan;
Wei, Donghui;
Tang, Mingsheng

Publication type:

Article

Synthesis of Benzodiazepines Through Ring Opening/Ring Closure of Benzimidazole Salts.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 15, p. 3252, doi. 10.1002/chem.201905828

By:

Tao, Sheng;
Bu, Qingqing;
Shi, Qianqian;
Wei, Donghui;
Dai, Bin;
Liu, Ning

Publication type:

Article

Transition‐Metal‐Like Reversible Cycloadditions of [tBuSP‐W(CO)5] with Alkenes and Alkynes.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 66, p. 15036, doi. 10.1002/chem.201902948

By:

Wang, Min;
Xu, Yang;
Wei, Donghui;
Tian, Rongqiang;
Duan, Zheng;
Mathey, François

Publication type:

Article

Direct Conversion of Benzothiadiazole to Benzimidazole: New Benzimidazole‐Derived Metal–Organic Frameworks with Adjustable Honeycomb‐Like Cavities.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 20, p. 5246, doi. 10.1002/chem.201805697

By:

Zhao, Yingnan;
Han, Xiao;
Yu, Feihu;
Wei, Donghui;
Cheng, Qing;
Meng, Xiangru;
Ding, Jie;
Hou, Hongwei

Publication type:

Article

A clean process for preparing ferrosilicon alloy from coal gasification fine slag by carbothermal reduction processing.

Published in:

Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B, 2023, v. 177, p. 463, doi. 10.1016/j.psep.2023.07.026

By:

Wang, Yaoxuan;
Zhang, Zhaoyang;
Liu, Chuang;
Guo, Xiaolin;
Wei, Donghui;
Du, Hongbing;
Wang, Hong;
Wang, Shuai;
Zhuang, Yanxin;
Xing, Pengfei

Publication type:

Article

Artificial Intelligence Algorithm-Based Analysis of Ultrasonic Imaging Features for Diagnosis of Pregnancy Complicated with Brain Tumor.

Published in:

2021

By:

Wu, Lin;
Wei, Donghui;
Yang, Ning;
Lei, Hong;
Wang, Yun

Publication type:

Case Study