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Interface challenges and optimization strategies for aqueous zinc-ion batteries

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Journal of Energy Chemistry 2023年第2期77卷 642-659,I0016页

作者： Hanwen Liu Qianqin Zhou qingbing xia Yaojie Lei xiang Long Huang Mike Tebyetekerwa Xiu Song Zhao School of Chemical Engineering The University of QueenslandSt LuciaBrisbaneQLD 4072Australia Institute for Superconducting and Electronic Materials Australian Institute of Innovative MaterialsUniversity of WollongongInnovation CampusSquires WayNorth WollongongNew South Wales 2500Australia

Aqueous zinc-ion batteries have advantages over lithium-ion batteries,such as low cost,and good ***,their development is currently facing several *** of the main critical challenges is their poor electrode–electrolyte *** this requires understanding the physics and chemistry at the electrode–electrolyte interface,including the cathode-electrolyte interface and anodeelectrolyte *** review first identifies and analyses the interfacial challenges of aqueous zincion ***,it discusses the design strategies for addressing the defined interfacial issues from the perspectives of electrolyte optimization,electrode modification,and separator ***,it provides corrective recommendations and strategies for the rational design of electrode–electrolyte interface in aqueous zinc-ion batteries towards their high-performance and reliable energy storage.

关键词： Aqueous zinc-ion battery Interphase SEI Electrolyte Cathode Anode

Recent research progresses in ether-and ester-based electrolytes for sodium-ion batteries

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InfoMat 2019年第3期1卷 376-389页

作者： Zeheng Lin qingbing xia Wanlin Wang Weishan Li Shulei Chou Institute for Superconducting and Electronic Materials Australian Institute of Innovative MaterialsUniversity of WollongongNorth WollongongNew South WalesAustralia School of Chemistry and Environment South China Normal UniversityGuangzhouChina National and Local Joint Engineering Research Center of MPTES in High Energy and Safety LIBs Engineering Research Center of MTEES(Ministry of Education)Key Laboratory of ETESPG(GHEI)South China Normal UniversityGuangzhouChina

Owing to the natural abundance and low cost of sodium resources,sodium-ion batteries(SIBs)have drawn considerable attention for state-of-the-art power storage devices over the last few *** enable advanced SIBs with a brighter future,great effort has been made,not only through optimizing the electrode materials,but also with rationally designing various electrolyte *** the available electrolyte systems,organic electrolytes,especially those based on esters as well as ethers,are the most promising ones for practical application in the foreseeable future,due to their numerous inherent *** review is concerned with the recent research progresses on organic electrolytes for SIBs,focusing on etherbased and ester-based ones.

关键词： electrolyte additives organic electrolytes sodium salts sodium-ion batteries

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湖泊信息采集及评价方法探讨

水文 2011年第4期31卷 66-70页

作者：肖贵清夏清炳尚祖亮杨仁华湖北省水文水资源局湖北武汉430071

湖泊变化急剧,历史上缺乏准确完整的湖情资料。湖泊作为一种重要水体,越来越为人类社会所重视。湖泊的治理、开发利用与保护需要权威的湖泊基础信息作依据。结合湖北省的实际作了初步探索,提出了湖泊信息采集的6大体系20个类别100余项指... 详细信息

湖泊变化急剧,历史上缺乏准确完整的湖情资料。湖泊作为一种重要水体,越来越为人类社会所重视。湖泊的治理、开发利用与保护需要权威的湖泊基础信息作依据。结合湖北省的实际作了初步探索,提出了湖泊信息采集的6大体系20个类别100余项指标,介绍了湖泊信息采集及评价方法,较全面描述湖泊状况,具有较强的实用性。

关键词：湖泊信息采集评价方法

超高效液相色谱-四极杆/静电场轨道阱高分辨质谱法检测血液中的痕量溴敌隆

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刑事技术 2020年第3期45卷 266-269页

作者：蔺大伟郑佳佳李秀云邵凯夏庆兵孙红雷李文海泰安市公安局刑侦支队刑事科学技术研究所山东泰安271000

目的建立超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(UPLC-HRMS)快速检测血液中的痕量溴敌隆的分析方法。方法血液样品经1mL乙腈提取、沉淀蛋白,直接过膜净化进样。采用Waters ACQUITY UPLC HSS T3色谱柱(2.1mm×50mm×1.8μm),以... 详细信息

目的建立超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(UPLC-HRMS)快速检测血液中的痕量溴敌隆的分析方法。方法血液样品经1mL乙腈提取、沉淀蛋白,直接过膜净化进样。采用Waters ACQUITY UPLC HSS T3色谱柱(2.1mm×50mm×1.8μm),以甲醇和含0.1%(体积分数)甲酸的水为流动相进行梯度洗脱,利用数据依赖二级扫描溴敌隆特征离子的精确质量数、同位素匹配、二级碎片信息和保留时间进行定性,全扫描外标标准曲线法定量。结果溴敌隆在质量浓度范围内线性关系良好(相关系数R^2=0.997 4),方法检出限为500ng/L,样品加标回收率为73.6%~87.3%,相对标准偏差为2.17%~5.69%(n=6)。结论该方法简单快速、灵敏度高、结果准确、可靠,利用该方法可以对溴敌隆中毒案(事)件中血液里的痕量溴敌隆成分定性定量。

关键词：法医毒物分析超高效液相色谱-四极杆/静电场轨道阱高分辨质谱血液溴敌隆

超高效液相色谱-四极杆静电场轨道阱质谱法定性、定量分析爆炸残留物中6种有机炸药

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理化检验（化学分册） 2023年第2期59卷 160-165页

作者：蔺大伟夏庆兵邵凯张冠男郑佳佳李秀云李文海孙红雷泰安市公安局刑事科学技术研究所泰安271000 公安部物证鉴定中心北京100038

用50%(体积分数)丙酮溶液浸泡后的擦拭棉球擦取检材上的爆炸残留物,加入5 mL丙酮,超声1 min,离心5 min。上清液于常温挥发至0.2 mL以下,用甲醇稀释至1 mL,过0.22μm有机相滤膜。滤液进入超高效液相色谱-四极杆静电场轨道阱质谱仪,按照... 详细信息

用50%(体积分数)丙酮溶液浸泡后的擦拭棉球擦取检材上的爆炸残留物,加入5 mL丙酮,超声1 min,离心5 min。上清液于常温挥发至0.2 mL以下,用甲醇稀释至1 mL,过0.22μm有机相滤膜。滤液进入超高效液相色谱-四极杆静电场轨道阱质谱仪,按照优化的仪器工作条件定性、定量分析其中的6种有机炸药三硝基甲苯(TNT)、硝化甘油(NG)、太安(PETN)、奥克托金(HMX)、黑索金(RDX)和特屈儿(CE)。以ACQUITY UPLC HSS T3色谱柱为固定相,以不同体积比乙腈-甲醇混合溶液(体积比1∶1)和含0.5 mmol·L^(-1)氯化铵的5.0 mmol·L^(-1)甲酸铵溶液的混合液为流动相进行梯度洗脱。在用大气压化学电离(APCI)源电离后,利用全扫描/数据依赖二级扫描(Full MS/ddMS2)模式建立含有母离子精确质量数、二级碎片离子精确质量数和保留时间等信息的筛查列表,用于6种目标物的快速筛查和确证。以全扫描所得母离子作为定量离子,进行外标法定量。结果表明,6种有机炸药的质量浓度分别在10.0~1 000μg·L^(-1)(TNT、NG、HMX和RDX)和20.0~2 000μg·L^(-1)(NG和PETN)内与对应的峰面积呈线性关系,检出限分别为5.0μg·L^(-1)(TNT)、8.0μg·L^(-1)(CE、HMX和RDX)和15.0μg·L^(-1)(NG和PETN)。对空白棉球进行3个浓度水平的加标回收试验,回收率为56.6%~117%,测定值的相对标准偏差(n=6)为0.40%~6.9%。方法用于一起实际案例的分析,定性筛查出了TNT。

关键词：超高效液相色谱-四极杆静电场轨道阱质谱法有机炸药爆炸残留物

超高效液相色谱-四极杆/静电场轨道阱高分辨质谱法检测血斑中乙醇生物标志物

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刑事技术 2021年第6期46卷 594-599页

作者：蔺大伟张云峰郑佳佳李文海饶渝兰李秀云孙红雷邵凯夏庆兵泰安市公安局刑事科学技术研究所山东泰安271000 公安部物证鉴定中心北京100038 复旦大学基础医学院法医学系上海200032

目的建立了超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(UPLC-Q/Orbitrap HRMS)测定血液斑痕中两种乙醇生物标志物乙基葡萄糖醛酸苷(EtG)和硫酸乙酯(EtS)的检测方法。方法采用空白静脉血液加标后在载玻片上制备成血液斑痕,取样后用50... 详细信息

目的建立了超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(UPLC-Q/Orbitrap HRMS)测定血液斑痕中两种乙醇生物标志物乙基葡萄糖醛酸苷(EtG)和硫酸乙酯(EtS)的检测方法。方法采用空白静脉血液加标后在载玻片上制备成血液斑痕,取样后用50%甲醇提取,通过超高效液相色谱高分辨质谱进行检测;色谱柱Synicronis C18(150mm×2.1mm×5.0μm)分离,流动相A为0.1%的甲酸水,流动相B为含0.1%甲酸的甲醇-乙腈(1∶1),梯度洗脱,离子源为加热电喷雾离子化源(HESI),扫描方式全扫描模式,负离子模式检测。结果该方法在EtG、EtS浓度为0.2~100ng/patch范围内有良好线性关系(R^(2)=0.9991、0.9994),样品回收率良好,日内与日间精密度小于15%,基质效应在85%~120%之间。结论利用该方法可有效测定血液斑痕中的乙醇生物标志物。

关键词：超高效液相色谱四极杆/静电场轨道阱高分辨质谱血液斑痕乙醇生物标志物

Truncated glycoprotein E of varicella-zoster virus is an ideal immunogen for Escherichia coli-based vaccine design

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Science China(Life Sciences) 2023年第4期66卷 743-753页

作者： Tingting Chen Jie Sun Sibo Zhang Tingting Li Liqin Liu Wenhui Xue Lizhi Zhou Siting Liang Zhili Yu qingbing Zheng Hai Yu Tong Cheng Jun Zhang Ying Gu Shaowei Li Ningshao xia State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics National Institute of Diagnostics and Vaccine Development in Infectious DiseasesSchool of Life Sciences&School of Public HealthXiamen UniversityXiamen 361102China xiang An Biomedicine Laboratory Xiamen 361102China Research Unit of Frontier Technology of Structural Vaccinology Chinese Academy of Medical SciencesXiamen 361102China

Varicella-zoster virus(VZV)is a highly infectious agent responsible for both varicella and herpes zoster *** high efficacy,there remain safety and accessibility concerns with the licensed ***,we sought to produce a VZV g E immunogen using an *** expression *** found that the soluble expression and yield of g E protein could be enhanced via C-terminal truncations to the protein,thereby facilitating a robust and scalable purification process for the purpose of vaccine *** lead truncated g E(aa 31–358),hereafter referred to as tg E,was a homogenous monomer in solution and showed excellent ***,we assessed and compared the immunogenicity of tg E with commercial v Oka LAV and Shingrix *** found that aluminum-adjuvanted tg E was immunogenic as compared with v Oka *** adjuvanted with AS01B,a two-dose immunization of tg E showed comparable or better potency in antibody responses and cell-mediated immunity with those of the Shingrix vaccine at the same dosage,especially in terms of the proportion of IFN-γ-expressing CD4^(+)T *** conclusion,this method of ***-mediate tg E expression offers a cost-effective and scalable strategy to generate an ideal VZV g E immunogen for the development of both varicella and zoster vaccines.

关键词： varicella-zoster virus glycoprotein E Escherichia coli vaccine

Two antibodies show broad,synergistic neutralization against SARS-CoV-2 variants by inducing conformational change within the RBD

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Protein & Cell 2024年第2期15卷 121-134页

作者： Hui Sun Tingting Deng Yali Zhang Yanling Lin Yanan Jiang Yichao Jiang Yang Huang Shuo Song Lingyan Cui Tingting Li Hualong Xiong Miaolin Lan Liqin Liu Yu Li Qianjiao Fang Kunyu Yu Wenling Jiang Lizhi Zhou Yuqiong Que Tianying Zhang Quan Yuan Tong Cheng Zheng Zhang Hai Yu Jun Zhang Wenxin Luo Shaowei Li qingbing Zheng Ying Gu Ningshao xia State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics School of Public HealthSchool of Life SciencesXiamen UniversityXiamen 361102China National Institute of Diagnostics and Vaccine Development in Infectious Diseases School of Public HealthSchool of Life SciencesXiamen UniversityXiamen 361102China State Key Laboratory of Vaccines for Infectious Diseases School of Public HealthSchool of Life SciencesXiamen UniversityXiamen 361102China xiang An Biomedicine Laboratory Xiamen 361102China Institute for Hepatology National Clinical Research Center for Infectious DiseaseShenzhen Third People's HospitalSchool of MedicineSouthem University of Science and TechnologyShenzhen 518112China The Second Affliated Hospital School of MedicineSouthern University of Science and TechnologyShenzhen 518112China Research Unit of Frontier Technology of Structural Vaccinology Chinese Academy of Medical SciencesXiamen 361102China

Continual evolution of the severe acute respiratory syndrome coronavirus(SARS-CoV-2)virus has allowed for its gradual evasion of neutralizing antibodies(nAbs)produced in response to natural infection or *** rapid nature of these changes has incited a need for the development of superior broad nAbs(bnAbs)and/or the rational design of an antibody cocktail that can protect against the mutated virus ***,we report two angiotensin-converting enzyme 2 competing nAbs—8H12 and 3E2—with synergistic neutralization but evaded by some Omicron ***-electron microscopy reveals the two nAbs synergistic neutralizing virus through a rigorous pairing permitted by rearrangement of the 472-489 loop in the receptor-binding domain to avoid steric *** antibodies based on these two nAbs tremendously extend the neutralizing breadth and restore neutralization against recent variants including currently dominant ***,these findings expand our understanding of the potential strategies for the neutralization of SARS-CoV-2 variants toward the design of broad-acting antibody therapeutics and vaccines.

关键词： SARS-CoV-2 broad neutralizing antibody rearrangement synergistic neutralization

Cryo-EM Structures Reveal the Molecular Basis of Receptor-Initiated Coxsackievirus Uncoating

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Cryo-EM Structures Reveal the Molecular Basis of Receptor-In...