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Ligand modulation of active center to promote lead-free Cs_(2)AgInCl_(6)photocatalytic CO_(2)reduction

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Journal of Energy Chemistry 2024年第8期95卷 660-669,I0015页

作者： Baofei Sun Wei chen Yanyi Huang Daofu Wu heng Luo Faguang Kuang Hongmei Ran Yichen liu Liqin Gao Jinchen Zhou Bo Gao Qiang Huang Xiaosheng Tang Key Laboratory of Human Brain Bank for Functions and Diseases of department of Education of Guizhou Province College of Basic MedicalGuizhou Medical UniversityGuiyang 550025GuizhouChina School of Electromechanical and Automotive engineering Yantai UniversityYantai 264005ShandongChina State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina College of Optoelectronic engineering Chongqing University of Posts and TelecommunicationsChongqing 400065China Key Laboratory of Optoelectronic Technology&Systems(Ministry of Education) College of Optoelectronic EngineeringChongqing UniversityChongqing 400044China School of Materials Science and engineering Zhengzhou UniversityZhengzhou 450001HenanChina

Metal halide perovskites(MHP)are potential candidates for the photocatalytic reduction of CO_(2)due to their long photogenerated carrier lifetime and charge diffusion ***,the conventional long-chain ligand impedes the adsorption and activation of CO_(2)molecules in practical ***,a ligand modulation technology is employed to enhance the photocatalytic CO_(2)reduction activity of lead-free Cs_(2)AgInCl_(6)microcrystals(MCs).The Cs_(2)AgInCl_(6)MCs passivated by Oleic acid(OLA)and Octanoic acid(OCA)are used for photocatalytic CO_(2)*** results show that the surface defects and electronic properties of Cs_(2)AgInCl_(6)MCs can be adjusted through ligand *** with the OLA-Cs_(2)AgInCl_(6),the OCA-Cs_(2)AgInCl_(6)catalyst demonstrated a significant improvement in the catalytic yield of CO and CH_(4).The CO and CH_(4)catalytic yields of OCA-Cs_(2)AgInCl_(6)reached 171.88 and34.15μmol g^(-1)h^(-1)which were 2.03 and 12.98 times higher than those of OLA-Cs_(2)AgInCl_(6),and the total electron consumption rate of OCA-Cs_(2)AgInCl_(6)was 615.2μmol g^(-1)h^(-1)which was 3.25 times higher than that of OLA-Cs_(2)AgInCl_(6).Furthermore,in situ diffuse reflectance infrared Fourier transform spectra revealed the enhancement of photocatalytic activity in Cs_(2)AgInCl_(6)MCs induced by ligand *** study illustrates the potential of lead-free Cs_(2)AgInCl_(6)MCs for efficient photocatalytic CO_(2)reduction and provides a ligand modulation strategy for the active promotion of MHP photocatalysts.

关键词： Surface ligand Photocatalysis CO_(2)reduction Lead-free perovskite Reactive mechanism

Evaluation of erastin synergized cisplatin anti-nasopharyngeal carcinoma effect with a glutathione-activated near-infrared fluorescent probe

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Chinese chemical Letters 2024年第2期35卷 311-316页

作者： Rong He Dandan Tang Ningge Xu heng liu Kun Dou Xuejun Zhou Fabiao Yu department of Otolaryngology Head and Neck SurgeryThe First Affiliated Hospital of Hainan Medical UniversityHaikou 570102China Key Laboratory of Hainan Trauma and Disaster Rescue Key Laboratory of Emergency and TraumaMinistry of EducationEngineering Research Center for Hainan Bio-Smart Materials and Bio-Medical DevicesCollege of Emergency and TraumaHainan Medical UniversityHaikou 571199China Sichuan Provincial General Hospital of Judicial Police Chengdu 610225China

Nasopharyngeal carcinoma(NPC),a malignant tumor originating from the nasopharynx,is one of the common malignant tumors of the head and *** are significant geographical differences in the incidence of nasopharyngeal carcinoma,with a high incidence in china and Southeast Asian ***,we designed and synthesized a novel near-infrared fluorescent(NIRF)probe to detect glutathione(GSH)in cellular and tumor environments using semi-naphthofluorescein(SNAFL)as the fluorescent molecular backbone and 2-fluoro-4-nitrobenzenesulfonate as the recognition *** reaction with GSH,SNAFL-GSH emitted a fluorescence signal,and its emission wavelength at 650 nm was remarkably *** results of selectivity experiments indicated that SNAFL-GSH was able to discriminate GSH from Cys,Hcy,and H_(2) ***,SNAFL-GSH could image both endogenous and exogenous GSH and distinguish normal and cancer cells by fluorescence signal *** the cellular level,cisplatin(DDP)-induced ferroptosis and inhibition of proliferation of various NPC cell lines(CNE2,CNE1,5-8F cells)by erastin combined with DDP were visualized with the help of *** a mouse tumor xenograft model,we successfully employed SNAFL-GSH for the evaluation of the efficacy of erastin combined with DDP in the treatment of *** importantly,the probe could image cancerous tissue sections from NPC patients with an imaging depth of approximately 80µ*** was foreseen that SNAFL-GSH offered great potential for application in the diagnosis and evaluation of the therapeutic efficacy of NPC,and these results would also provide new ideas for the clinical treatment of NPC.

关键词： Glutathione NIRF probe Ferroptosis Anti-tumor therapy evaluation Bioimaging

Structure-based design and optimization lead to the identification of novel dihydrothiopyrano[3,2-d]pyrimidine derivatives as potent HIV-1 inhibitors against drug-resistant variants

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Acta Pharmaceutica Sinica B 2024年第3期14卷 1257-1282页

作者： Zhao Wang heng Zhang Zhen Gao Zihao Sang Erik De Clercq Christophe Pannecouque Dongwei Kang Peng Zhan Xinyong liu department of Medicinal Chemistry Key Laboratory of Chemical Biology(Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinan 250012China Rega Institute for Medical Research Laboratory of Virology and ChemotherapyK.U.LeuvenLeuven B-3000Belgium china-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong Province Jinan 250012China Suzhou Research Institute Shandong UniversitySuzhou 215123China

With our continuous endeavors in seeking potent anti-HIV-1 agents,we reported here the discovery,biological characterization,and druggability evaluation of a class of nonnucleoside reverse transcriptase *** fully explore the chemical space of the NNRTI-binding pocket,novel series of dihydrothiopyrano[3,2-d]pyrimidines were developed by employing the structure-based design *** of the derivatives were endowed with prominent antiviral activities against HIV-1 wild-type and resistant strains at nanomolar *** them,compound 23h featuring the aminopiperidine moiety was identified as the most potent inhibitor,with EC50values ranging from 3.43 to 21.4 nmol/***,for the challenging double-mutants F227L+V106A and K103N+Y181C,23h exhibited 2.3-to 14.5-fold more potent activity than the first-line drugs efavirenz and ***,the resistance profiles of 23h achieved remarkable improvement compared to efavirenz and *** binding target of 23h was further confirmed to be HIV-1 reverse *** modeling studies were also performed to elucidate the biological evaluation results and give guidance for the optimization ***,no apparent inhibition of the major CYP450 enzymes and hERG channel was observed for *** importantly,23h was characterized by good pharmacokinetic properties and excellent safety in ***,23h holds great promise as a potential candidate for its effective antiviral efficacy and favorable drug-like profiles.

关键词： HIV-1 Reverse transcriptase Dihydrothiopyrano[3,2-d]pyrimidine Antiviral agent

Synergistic Effect of Nitrogen/Phosphorus Co-Doping and Molybdenum Carbide Induced Electron Redistribution of Carbon Layer to Boost Hydrogen Evolution Reaction

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Chinese Journal of Chemistry 2024年第1期42卷 55-60页

作者： Jiamin Xiao Peng Li Yanyan Sun heng liu Javid Khan Handong Zhang Han Zhou Yaqiong Su Shuangyin Wang Lei Han College of Materials Science and engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean EnergyHunan UniversityChangshaHunan 410082China School of Chemistry engineering Research Center of Energy Storage Materials and Devices Ministry of EducationXi'an Key Laboratory of Sustainable Energy Materials ChemistryState Key Laboratory of Electrical Insulation and Power EquipmentXi'an Jiaotong UniversityXi'anShaanxi 710049China School of Materials Science and engineering Central South UniversityChangshaHunan 410083China state Key Laboratory of Chem/Bio-Sensingand Chemometrics College of Chemistry and Chemical EngineeringHunan University ChangshaHunan 410082China Laboratory of Inorganic Materials and Catalysis Department of Chemical Engineering and ChemistryEindhoven University of Technology P.O.Box5135600 MB EindhovenThe Netherlands

The development of highly efficient non-precious-metal-based electrocatalysts for the hydrogen evolution reaction is imperative for promoting the large-scale application of electrochemical water ***,nitrogen/phosphorus co-doped carbon nanorods encapsulated Mo_(2)C nanoparticles(Mo_(2)C@PNc)have been prepared by pre-phosphating treatment in combination of the coordination with polydopamine and the subsequent *** phosphating temperature has a significant effect on the content of phosphorus within the resultant Mo_(2)C@PNC,and the optimal catalyst delivers superior HER activity with the low overpotential of 104 mV at a current density of 10 mAcm^(-2) and good stability for 8 h,which has been theoretically demonstrated to originate from the synergistic effect between P doping and Mo_(2)C induced electron redistribution of nitrogen-doped carbon layer.

关键词： Molybdenum carbide N/P co-doped carbon Hydrogen evolution Synergistic effect Electron redistribution Comprehensive

Dehydration-triggered structural phase transition-associated ferroelectricity in a hybrid perovskite-type crystal

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Chinese chemical Letters 2024年第10期35卷 461-464页

作者： Zhi-Yuan Yue Hua-Kai Li Na Wang Shan-Shan liu Le-Ping Miao heng-Yun Ye Chao Shi Chaotic Matter Science Research Center Jiangxi University of Science and TechnologyGanzhou 341000China

Since the appearance of Rochelle salt,ferroelectrics have received extensive attention from researchers due to they are playing an important role in sensors,memories,mechanical actuation,and so *** recent years,with the rapid development of molecular ferroelectrics,high-performance molecular ferroelectrics have become effective complement to inorganic ***,compared with inorganic ferroelectrics,the family of molecular ferroelectrics is relatively scarce,and exploring highperformance ferroelectric materials through new synthesis strategies has become the trend of molecular ***,we successfully transformed non-polar material 1(2-H_(2)PCA)_(2)(H_(2)O)CdCl_(6)(2-H_(2)PCA=2-picolylamine cation)into polar material 2(2-H_(2)PCA)2CdCl_(6)by single-crystal to single-crystal transformation(SCSCT).Meanwhile,2 exhibits clear ferroelectricity with a high-temperature Tc of 378 K,a Ps of 1.18μC/cm^(2)at 300 *** work not only realizes the purpose of synthesizing ferroelectrics by forming polar structures by SCSCT,but also realizes the reversibility of SCSCT,which provides ideas for the construction and exploration of new molecular ferroelectrics.

关键词： Hybrid perovskite Ferroelectric materials Single-crystal to single-crystal transformation Phase transition Stimulus-structure-response

Stimuli-responsive hydrogels for bone tissue engineering

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Biomaterials Translational 2024年第3期5卷 257-273页

作者： Congyang Xue Liping chen Nan Wang heng chen Wenqiang Xu Zhipeng Xi Qing Sun Ran Kang Lin Xie Xin liu department of Orthopaedics Affiliated Hospital of Integrated Traditional Chinese and Western MedicineNanjing University of Chinese MedicineNanjingJiangsu ProvinceChina The Third Clinical Medical College Nanjing University of Chinese MedicineNanjingJiangsu ProvinceChina Jiangsu Province Academy of Traditional Chinese Medicine NanjingJiangsu ProvinceChina Laboratory of Gene Therapy Faculty of Veterinary MedicineGhent UniversityGhentBelgium

The treatment of bone defects remains a great clinical *** the development of science and technology,bone tissue engineering technology has emerged,which can mimic the structure and function of natural bone tissues and create solutions for repairing or replacing human bone tissues based on biocompatible materials,cells and bioactive *** are favoured by researchers due to their high water content,degradability and good *** paper describes the hydrogel sources,roles and *** to the different types of stimuli,hydrogels are classified into three categories:physical,chemical and biochemical responses,and the applications of different stimuli-responsive hydrogels in bone tissue engineering are ***-responsive hydrogels can form a semi-solid with good adhesion based on different physiological environments,which can carry a variety of bone-enhancing bioactive factors,drugs and cells,and have a long retention time in the local area,which is conducive to a long period of controlled release;they can also form a scaffold for constructing tissue repair,which can jointly promote the repair of bone injury ***,it also has many defects,such as poor biocompatibility,immunogenicity and mechanical *** studies are still needed in the future to facilitate its clinical translation.

关键词： bone tissue engineering drug carrier hydrogels stimuli-responsive

CATALYST-FREE SYNTHESIS OF WELL-ALIGNED ZNO NANORODS

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CATALYST-FREE SYNTHESIS OF WELL-ALIGNED ZNO NANORODS

Molecular Design of Crown Ethers. 19~1. Synthesis of Novel Disulfide and Diselenide-Bridged Bis (benzo-12-crown-4)s and their Ag^+ Selective Electrode Properties

第8届国际材联电子材料国际研讨会

作者： Sai-Chang liu and Jih-Jen Wu department of chemical engineering, National cheng kung university tainan 701, taiwan

Highly oriented zno nanorods were grown on Si (100) substrates by using a simple catalyst-free thermal CVD method at around 500℃. Zinc acetylacetonate (Zn(CHO)) was employed for synthesizing ZnO nanorods. X-ray diffraction and TEM analyses show that the nanorods are single crystalline and preferentially oriented toward c-axis direction. Further EELS mapping analyses reveal that an amorphous SiO interfacial

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Chinese chemical Letters 2000年第2期11卷 115-118页

作者： heng Yi ZHANG Yu liu (department of Chemistry, Nankai university, Tianjin 300071) department of Chemistry Nankai University Tianjin 300071 China

Two novel heteroatom-bridged his (benzo-12-crown-4 ether)s, i.e. his [2-nitro-4,5 (1,4,7,10-tetraoxadecamethylene) disulfide 1 and diselenide 2, have been synthesized. X ray crystallographic structure was obtained for 1. Ion selective electrodes (ISE) for Ag+, containing 1 and 2 in PVC membrane as neutral carriers, were prepared, and their selectivity coefficients for Ag^+ (K_(Ag.M)^(pot)) were determined against other heavy metal ions, alkali and alkaline-earth metal ions. and ammonium ion. These ISEs showed excellent Ag^+ selectivities, log K_(Ag.M)^(pot) ≤ -3.8, against most of the interfering canons examined, except for Hg^+.

关键词： Heteroatom-bridged his (benzo-12-crown-4 ether)s ion selective electrodes selectivity coefficients.

Stereoselective Synthesis of cis-1, 2-cyclopropane Derivatives

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chemical Research in Chinese Universities 1996年第1期12卷 50-55页

作者： DING Wei-yu HAN Zi-heng chen Ya-li ZOU Yong-jun and liu Xin(department of Chemistry, Shanghai university, Shanghai 201800) SHANGHAI UNIV SCI & TECHNOL DEPT CHEMSHANGHAI 201800PEOPLES R CHINA

Carbomethoxymethylenetriphenylar 1, or its arsonium bromide in the presence of K2CO3, reacts with 2, 2-dialkyl-1, 3-dioxa-5-substituted-benzal-4, 6-dione 2 to give cis-1-methoxycarbonyl-2-aryl-6, 6-dialky-5, 7-dioxa-s... 详细信息

关键词： Cyclopnopanation Stereoselective synthesis Arsenic ylide