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Triple-phase interfaces of graphene-like carbon clusters on antimony trisulfide nanowires enable high-loading and long-lasting liquid Li_(2)S_(6)-based lithium-sulfur batteries

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Journal of Energy Chemistry 2021年第8期30卷 599-607,I0013页

作者： chenyang Zha Donghai Wu Xiuquan Gu houyang chen Key Laboratory of Flexible Electronics(KLOFE) Institute of Advanced Materials(IAM)Nanjing Tech UniversityNanjing 211816China Henan Key Laboratory of Nanocomposites and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology CollegeZhengzhou 450006China School of Materials and Physics China University of Mining and TechnologyXuzhou 221116JiangsuChina Department of Chemical and Biological Engineering State University of New York at Buffalo14260-4200 BuffaloUSA

High performance of lithium-sulfur batteries have been dragged down by their shuttling behavior which is complicated multiphase transition-based 16-electron redox reactions of the S8/Li2 *** this article,the triple-phase interfaces of graphene-like carbon clusters on antimony trisulfide(C-Sb_(2)S_(3))nanowires are tailored to design a multifunctional polysulfide host which can inhibit migration of polysulfides and accelerate conversion kinetics of redox electrochemical *** from the triple-interface design of polysulfides/Sb_(2)S_(3)/carbon clusters,the C-Sb_(2)S_(3) electrode not only anchors polysulfide migration by the synergistic effect of Sb,S,and C atoms as interfacial active sites,but also the graphene-like carbon clusters shorten the diffusion paths to further favor redox electron/ion transport through the liquid(electrolyte/polysulfide)and solid(Li2 S/S8,carbon clusters,and Sb_(2)S_(3))-based ***,these Li_(2)S_(6)-based C-Sb_(2)S_(3) cells possess high sulfur loading,excellent cycling stability,impressive specific capacity,and great rate *** work of interfacial engineering reveals insight for powering reaction kinetics in the complicated multistep catalysis reaction with multiphase evolution-based chargetransfer/non-transfer processes.

关键词： Triple-phase interfaces Graphene-like carbon Antimony trisulfide High preformance Lithium-sulfur batteries

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All-silica zeolites screening for capture of toxic gases from molecular simulation

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Chinese Journal of Chemical Engineering 2019年第1期27卷 174-181页

作者： Zhiguo Yan Sai Tang Xumiao Zhou Li Yang Xingqing Xiao houyang chen Yuanhang Qin Wei Sun Key Laboratory of Green Chemical Process of Ministry of Education Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei ProvinceSchool of Chemical Engineering and PharmacyWuhan Institute of Technology Department of Chemical and Biomolecular Engineering North Carolina State University Department of Chemical and Biological Engineering State University of New York at Buffalo

The exhaust gases, including SO_2,NH_3, H_2S, NO_2, NO, and CO, are principal air pollutants due to their severe harms to the ecological *** have been considered as good absorbent candidates to capture the six exhaust *** this work, we performed grand canonical ensemble Monte Carlo(GCMC) simulations to examine the capability of 95 kinds of all-silica zeolites in the removal of the six toxic gases, and to predict the adsorption isotherms of the six gases on all the *** simulation results showed that, H_2S, NO, NO_2, CO and NH_3 are well-captured by zeolite structures with accessible surface area of 1600–1800 m^2·g^(-1) and pore diameter of 0.6–0.7 nm, such as AFY and PAU, while SO_2 is well-adsorbed by zeolites containing larger accessible surface area(1700–2700 m^2·g^(-1)) and pore diameter(0.7–1.4 nm) at room temperature and an atmospheric ***, at saturated adsorption, zeolites RWY, IRR, JSR, TSC, and ITT are found to exhibit better abilities to capture these *** study provides useful computational insights in choosing and designing zeolite structures with high performance to remove toxic gases for air purification, thereby facilitating the development and application of exhaust gas-processing technology in green industry.

关键词： All-silica zeolites Toxic gases Adsorption isotherm GCMC simulation

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Two-dimensional multimetallic sulfide nanosheets with multi-active sites to enhance polysulfide redox reactions in liquid Li2S6-based lithium-polysulfide batteries

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Journal of Energy Chemistry 2021年第1期30卷 163-169,I0006页

作者： chenyang Zha Donghai Wu Yuwei Zhao Jun Deng Jinghua Wu Rong Wu Meng Yang Lin Wang houyang chen Key Laboratory of Flexible Electronics(KLOFE) Institute of Advanced Materials(IAM)Nanjing Tech UniversityNanjing 211816JiangsuChina Henan Key Laboratory of Nanocomposites and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology CollegeZhengzhou 450006HenanChina Department of Chemical and Biological Engineering University at BuffaloThe State University of New YorkBuffaloNY 14260-4200USA Ningbo Institute of Materials Technology and Engineering Chinese Academy of SciencesNingbo 315201ZhejiangChina School of Materials and Chemical Technology Tokyo Institute of Technology2-12-1 OokayamaMeguroTokyo 152-8550Japan

The lithium-sulfur battery has attracted enormous attention as being one of the most significant energy storage technologies due to its high energy density and ***,the "shuttle effect" of polysulfide intermediates represents a formidable challenge towards its wide ***,we have designed and synthesized two-dimensional Cu,Zn and Sn-based multimetallic sulfide nanosheets to construct multi-active sites for the immobilization and entrapment of polysulfides with offering better performance in liquid Li2S6-based lithium-polysulfide *** experimental measurements and theoretical computations demonstrate that the interfacial multi-active sites of multimetallic sulfides not only accelerate the multi-chained redox reactions of highly diffusible polysulfides,but also strengthen affinities toward *** adopting multimetallic sulfide nanosheets as the sulfur host,the liquid Li2 S6-based cell exhibits an impressive rate capability with 1200 mAh/g and retains 580 mAh/g at 0.5 mA/cm^(2) after 1000 *** high sulfur mass loading conditions,the cell with 2.0 mg/cm^(2) sulfur loading delivers a cell capacity of 1068 mAh/g and maintains 480 mAh/g with 0.8 mA/cm^(2) and 500 *** study provides new insights into the multifunctional material design with multi-active sites for elevated lithium-polysulfide batteries.

关键词： Multimetallic sulfide Nanosheets Multi-active sites Lithium-polysulfide battery

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Plasma functionalized MoSe2 for efficient nonenzymatic sensing of hydrogen peroxide in ultra-wide pH range

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SmartMat 2022年第3期3卷 491-502页

作者： Yang Luo Donghai Wu Zehui Li Xiao‐Yan Li Yinghong Wu Shien‐Ping Feng Carlo Menon houyang chen Paul K.Chu Department of Physics Department of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongHong KongChina Empa Swiss Federal Laboratories for Materials Science and TechnologyETH DomainDübendorfSwitzerland Centre for Water Technology and Policy Department of Civil EngineeringThe University of Hong KongHong KongChina Henan Key Laboratory of Nanocomposites and Applications Institute of Nanostructured Functional MaterialsHuanghe S&T UniversityZhengzhouChina State Key Laboratory for Mesoscopic Physics Collaborative Innovation Center of Quantum MatterSchool of PhysicsPeking UniversityBeijingChina Biomedical and Mobile Health Technology Lab Department of Health Sciences and TechnologyETH ZürichZürichSwitzerland Department of Mechanical Engineering The University of Hong KongHong KongChina Department of Chemical and Biological Engineering State University of New York at BuffaloNew YorkUSA

Enzymatic sensors have inherent problems such as the low stability and limited pH range in industrial and biomedical applications and therefore,more efficient nonenzymatic sensors are highly ***,plasmafunctionalized defective MoSe_(2)is prepared and studied as a highly efficient catalyst for electrochemical sensing of H_(2)O_(2).Experiments and theoretical computations show that the plasma-induced Se multi-vacancies and nitrogen dopants generate new active sites,expose more edge active surfaces,narrow the bandgap,and strengthen binding with the·OH intermediate,which imparts new fundamental knowledge about the roles of defects in *** defective MoSe_(2)-catalyzed sensor delivers competitive performance in hydrogen peroxide detection such as a low detection limit of 12.6 nmol/L,wide operational pH range of 1−13,good long-term stability,and high *** portable sensor produced by screen printing confirms the excellent commercial potential and in addition,the results not only reveal a novel concept to design and fabricate high-performance sensors for H_(2)_(O2)but also provide insights into the effectiveness of surface modification of diverse catalytic materials.

关键词： MoSe_(2) plasma functionalization electrochemical sensors hydrogen peroxides portable devices

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Density Functional Study of ConC2H2（n = 1–3） Clusters

Density Functional Study of ConC2H2（n = 1–3） Clusters

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中国化学会第十二届全国量子化学会议

作者： Jinyun Yuan Baocheng Yang houyang chen Institute of Nanostructured Functional Materials Huanghe Science and Technology College

Hydrocarbon hydrogenation and dehydrogenation catalyzed by transition metals is important in chemical and industrial processes,therefore,the interactions of transition metals with the typical and simplest unsaturated hydrocarbon acetylene have received considerable attention from both experimental and theoretical points of view.[1-3]We investigated the anionic and neutral Con C2H2（n=1–3）clusters using density functional *** theoretical adiabatic detachment energies and vertical detachment energies of Con C2H2–（n=1–3）were determined and those of Co C2H2–are in agreement with experimental *** results show that the most stable geometries of anionic Con C2H2–（n=1–2）and neutral Con C2H2（n=1–3）are composed of Con C2H clusters adsorbing a hydrogen atom on the top or bridge sites of Con whereas the anionic Co3C2H2–consists of the five–member ring of Co3C2 carbide adsorbing two hydrogen atoms on two bridge sites of Co3.[4-5]These structural features of anionic and neutral Con C2H2（n=1–3）clusters indicate that small size Con clusters can activate C–H bonds of the *** calculated reaction mechanisms show that the inserted isomer HCo C2H can convert into the vinylidene complex Co=C=CH2 via theπ–complex isomer M–η2–（C2H2）.

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β-elemene inhibits human sperm functions by affecting sperm vitality and [Ca2+]i

β-elemene inhibits human sperm functions by affecting sperm...

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中国植物学会第十六次全国会员代表大会暨85周年学术年会

作者： Wen chen Shiqi Weng Mengge Lv Wenqiong chen Zhuofei Bi houyang chen Tao Luo Hai Hu Wenbo Liao State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources School of Life SciencesSun Yatsen University Department of Radiation Oncology Sun Yat-Sen Memorial HospitalSun YatSen University Institute of Life Science and School of Life Science Nanchang University Reproductive Medical Center Jiangxi Provincial Maternal and Child Health Hospital

Background/Aims: β-elemene is a bioactive sesquiterpene compound that exhibits potent antitumor effect,and it has been approved as an anti-tumor drug by ***,little is known about its effect on male *** study was aimed to investigate the in vitro actions of β-elemene on human sperm functions and elucidate the underlying ***: The cytotoxicity of β-elemene on MCF-10 A,MDA-MD-231 and A549 cells were evaluated by using MTS and colony formation ***,human sperm were treated with different concentrations(0,10,20,40,80,160 and 320 μM) of β-elemene in *** fertilization-essential processes including vitality,motility,capacitation,acrosome reaction,the ability of response to progesterone and the intracellular concentration of calcium([Ca]) of human sperm were ***: The 40-320 μMβ-elemene dose-dependently reduced human sperm vitality and motility(total motility,progressive motility and curvilinear velocity) and the penetration ability,a comprehensive evaluation of sperm motility,especially hyperactivation but had no or low toxicity on MCF 10 A,MDA-MD-231 and A549 *** 10 and 20 μMβ-elemene did not affect sperm vitality and motility,they increased the spontaneous acrosome reaction and inhibited progesterone-induced sperm functions by affecting the sperm [Ca].Conclusion: These results indicated that β-elemene inhibits human sperm functions by affecting sperm vitality and [Ca],providing a caution that severe attention is required when utilizing β-elemene to the patients who still have birth demand.

关键词： β-elemene acrosome reaction [Ca2+]i progesterone sperm motility

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非对称两嵌段高分子在选择性壁面识别吸附的Monte Carlo模拟

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化工学报 2007年第6期58卷 1341-1347页

作者：陈厚样孙蕾叶贞成彭昌军刘洪来华东理工大学化学系化学工程联合国家重点实验室(华东理工大学)上海200237

采用自由空间的MonteCarlo(MC)方法研究了两嵌段非对称高分子在选择性壁面上的吸附与识别。研究表明,非对称嵌段高分子同对称嵌段高分子一样,在选择性壁面的吸附可分为吸附和识别两个过程。对高分子构型研究的结果发现,无论条纹宽度如... 详细信息

采用自由空间的MonteCarlo(MC)方法研究了两嵌段非对称高分子在选择性壁面上的吸附与识别。研究表明,非对称嵌段高分子同对称嵌段高分子一样,在选择性壁面的吸附可分为吸附和识别两个过程。对高分子构型研究的结果发现,无论条纹宽度如何变化,高分子在垂直于z方向的均方回转半径总是小于其垂直另两方向的值。在条纹宽度一定的情况下,尾式构型比率随链节B与白色条纹壁面作用能ΨB-white增加先增加然后趋于不变。在ΨB-white不变的情况下,尾式构型比率则随条纹数的增加而增加。环式构型比率在条纹较宽时会随ΨB-white有一小的下降趋势,而在条纹较窄时下降幅度较大。

关键词：非对称高分子识别选择性壁面 Monte Carlo模拟

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先天性双侧输精管缺如相关致病基因及临床诊疗进展

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中华生殖与避孕杂志 2024年第10期44卷 1069-1074页

作者：郭文强郭世峰杨康陈厚仰江西省妇幼保健院辅助生殖中心南昌330000

先天性双侧输精管缺如(congenital bilateral absence of vas deferens,CBAVD)可导致梗阻性无精子症,是男性不育的常见病因之一。CBAVD致病有关的基因种类繁多,其致病机制各有特点,但又有一定的联系;同时鉴于CBAVD在不育症的比例,合适... 详细信息

先天性双侧输精管缺如(congenital bilateral absence of vas deferens,CBAVD)可导致梗阻性无精子症,是男性不育的常见病因之一。CBAVD致病有关的基因种类繁多,其致病机制各有特点,但又有一定的联系;同时鉴于CBAVD在不育症的比例,合适的临床诊治和遗传咨询显得尤为重要。本文就CBAVD的致病机制和临床诊疗进行综述,以期待为中国CBAVD患者的诊治和遗传咨询提供参考。

关键词：先天性双侧输精管缺如囊性纤维化跨膜转导调节因子粘连型G蛋白偶联受体G2 溶质载体家族9成员3 泛酸激酶2 上皮细胞钠离子通道β亚单位碳酸酐酶12

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人睾丸特异表达基因TDRG1单克隆抗体的制备及鉴定

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中南大学学报（医学版） 2010年第3期35卷 230-235页

作者：文甲明蒋先镇汤育新阳建福陈厚仰刘志中中南大学湘雅三医院男性病研究中心长沙410013

目的:构建原核质粒表达TDRG1重组蛋白,制备其单克隆抗体(mAb)并鉴定其生物学特性。方法:用逆转录聚合酶链反应法从成人睾丸组织中扩增TDRG1编码序列,将其克隆到pET21原核表达载体,在大肠杆菌BL21(DE3)内进行诱导表达TDRG1重组蛋白。以... 详细信息

目的:构建原核质粒表达TDRG1重组蛋白,制备其单克隆抗体(mAb)并鉴定其生物学特性。方法:用逆转录聚合酶链反应法从成人睾丸组织中扩增TDRG1编码序列,将其克隆到pET21原核表达载体,在大肠杆菌BL21(DE3)内进行诱导表达TDRG1重组蛋白。以纯化后的重组蛋白免疫BALB/C小鼠,利用杂交瘤细胞融合技术制备单克隆抗体(mAb)。ELISA法检测杂交瘤细胞分泌mAb的效价和类型,Western印迹和免疫组织化学染色鉴定mAb的特异性。结果:成功构建了pET21/TDRG1原核表达质粒并获得纯度较高的重组蛋白。筛选出2株能稳定分泌抗TDRG1的单克隆抗体杂交瘤细胞系,其效价比高达1∶1.6×106,免疫球蛋白类型均为IgG1类。Western印迹和免疫组织化学染色显示该mAb能特异结合成人睾丸组织中的TDRG1蛋白。结论:所获得的重组TDRG1蛋白纯度高,免疫抗原性强,并成功制备了抗TDRG1的单克隆抗体。

关键词：睾丸基因 TDRG1重组蛋白单克隆抗体

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应用实时硬度监测结合多普勒超声诊断勃起功能障碍

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中南大学学报（医学版） 2009年第1期34卷 81-84页

作者：汤育新刘志中蒋先镇文甲明陈厚仰何乐业中南大学湘雅三医院男性病研究中心长沙410013

目的:探讨前列腺素E1(PGE1)阴茎海绵体注射后实时阴茎硬度检查仪(Rigiscan)结合多普勒超声技术诊断勃起功能障碍(ED)的价值。方法:1998年1月至2007年12月间的1392例ED患者,使用PGE1阴茎海绵体注射,Rigiscan连续记录1h,观察阴茎勃起情况... 详细信息

目的:探讨前列腺素E1(PGE1)阴茎海绵体注射后实时阴茎硬度检查仪(Rigiscan)结合多普勒超声技术诊断勃起功能障碍(ED)的价值。方法:1998年1月至2007年12月间的1392例ED患者,使用PGE1阴茎海绵体注射,Rigiscan连续记录1h,观察阴茎勃起情况。使用阴茎彩色超声诊断仪检测阴茎海绵体阴茎深动脉,测量血流参数。结果:1392例患者中阳性反应者1039例,阴性反应者353例。阳性反应者中,PGE1注射剂量为10μg663例,20μg265例,30μg97例,60μg14例,分别检出血管功能障碍89(13.4%)、39(14.7%)、41(42.3%)及10(71.4%)例。Rigiscan检查阴性者血管性ED267例(75.6%)。不同剂量PGE1激发勃起与血管功能障碍比率比较有统计学意义(P<0.001)。结论:前列腺素E1诱导阴茎勃起安全有效。药物激发勃起时,所需药物剂量越大,血管功能障碍的检测率越高。实时硬度监测结合多普勒超声检查能提高血管性ED的诊断准确率。

关键词：勃起功能障碍前列腺素E1 注射 Rigiscan 多普勒超声

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