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Defence Technology（防务技术） 2024年第1期31卷 288-294页

作者： er-hai An Xiao-xia Li Cun-juan Yu Ying-xin Tan Zi-jun Fan Qing-xia Li Peng Deng Xiong Cao School of Environment and Safety Engineering North University of ChinaTaiyuan030051PR China College of Safety and Emergency Management Engineering Taiyuan University of Science and TechnologyTaiyuan030024PR China

Fe/N-based biomass porous carbon composite(Fe/N-p Carbon) was prepared by a facile high-temperature carbonization method from biomass,and the effect of Fe/N-p Carbon on the thermal decomposition of energetic molecular perovskite-based material DAP-4 was *** porous carbonaceous materials was considered as the micro/nano support layers for in situ deposition of Fe/N ***/Np Carbon was prepared simply by the high-temperature carbonization *** was found that it showed the inherent catalysis properties for thermal decomposition of *** heat release of DAP-4/Fe/N-p Carbon by DSC curves tested had increased slightly,compared from DAP-4/Fe/N-p *** decomposition temperature peak of DAP-4 at the presence of Fe/N-p Carbon had reduced by 79°C from384.4°C(pure DAP-4) to 305.4°C(DAP-4/Fe/N-p Carbon-3).The apparent activation energy of DAP-4thermal decomposition also had decreased by 29.1 J/*** possible catalytic decomposition mechanism of DAP-4 with Fe/N-p Carbon was proposed.

关键词： Biomass materials Porous carbon DAP-4 Thermal decomposition Facile method

采用微波消解-ICP-AES法对不同产地果用银杏叶无机元素分析与评价

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光谱学与光谱分析 2013年第3期33卷 808-812页

作者：姚鑫周桂生唐于平尚尔鑫宿树兰钱大玮段金廒南京中医药大学江苏省方剂高技术研究重点实验室江苏南京210046

采用微波消解-ICP-AES法探索不同产地果用银杏采果后叶中无机元素含量,用主成分分析法对其所含元素进行分析和评价。结果表明,不同产地果用银杏叶含有22～26种无机元素,其中Fe,Zn,Cu,Mn,Cr,Co,Ni,Sr,B,Si和Ni等11种为人体必需微量元素,C... 详细信息

采用微波消解-ICP-AES法探索不同产地果用银杏采果后叶中无机元素含量,用主成分分析法对其所含元素进行分析和评价。结果表明,不同产地果用银杏叶含有22～26种无机元素,其中Fe,Zn,Cu,Mn,Cr,Co,Ni,Sr,B,Si和Ni等11种为人体必需微量元素,Ca,P,K,Na和Mg等五种为人体必需宏量元素;主成分分析选择了7个因子,并对果用银杏叶进行了综合评价,其综合评价函数为F=0.230 17F1+0.122 39F2+0.079 67F3+0.078 97F4+0.065 25F5+0.062 03F6+0.056 71F7,结果发现江苏泰兴、河北石家庄以及山东泰安样品综合排序分列1,2和3位,表明从无机元素考虑这三个产地果用银杏叶样品品质较好。本研究为我国银杏资源的综合利用与开发提供了参考。

关键词：果用银杏叶无机元素主成分分析产地

Observation of the failure mechanism in Ag_(10)Ge_(15)Te_(75)-based memristor induced by ion transport

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Nano Research 2024年第9期17卷 8431-8437页

作者： Yuwei Xiong Kuibo Yin Weiwei Sun Jingcang Li shangyang shang Lei xin Qiyun Wu Xiaoran Gong Yidong Xia Litao Sun SEU-FEI Nano-Pico Center Key Laboratory of MEMS of Ministry of EducationSoutheast UniversityNanjing 210096China College of Engineering and Applied Sciences Nanjing UniversityNanjing 210093China

The solid-electrolyte-based memristors have attracted tremendous attention for the next-generation nonvolatile memory for both logic and neuromorphic ***,they encounter variability performance challenges which originated from the random ionic transport and conductive filaments ***,the electrochemical metallized mechanism associated with ion transport has been ***,the failure mechanism caused by ion transport during cycles is rarely ***,the five stages of failure in the Ag/Ag_(10)Ge_(15)Te_(75)/W memristor are elucidated through ex-situ current-voltage measurements combined with in-situ transmission electron microscopy *** investigation reveals that the migration and enrichment of Ag ions result in the precipitation of Ag_(2)*** formation of Ag_(2)Te hinders the device's ability to maintain its bipolar characteristics and also decreases the resistance value of the high resistance state,thereby reducing the device's switching *** promising results provide important guidance for the future design of structures and the manipulation of ion transport for high-performance memristors.

关键词： Ag10Ge15Te75 in-situ transmission electron microscopy(TEM) failure mechanism

当归不同部位入药功效取向差异的化学物质基础与药性关联性研究

维普期刊数据库评论

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中草药 2014年第21期45卷 3208-3212页

作者：严辉段金廒尚尔鑫华永庆钱大玮南京中医药大学江苏省中药资源产业化过程协同创新中心江苏南京210023

以中药方剂数据库为基础,检索其中包含当归不同部位入药的方剂。应用适宜的数据挖掘技术,统计分析当归不同入药部位的药性特点及其适应病证的变化规律。结合当归组织结构、当归不同部位化学成分分布特点,以及药效学报道,探讨当归不同入... 详细信息

以中药方剂数据库为基础,检索其中包含当归不同部位入药的方剂。应用适宜的数据挖掘技术,统计分析当归不同入药部位的药性特点及其适应病证的变化规律。结合当归组织结构、当归不同部位化学成分分布特点,以及药效学报道,探讨当归不同入药部位功效取向差异机制及其应用病证的变化规律。结果显示,当归不同部位入药功效取向差异的化学物质基础与药性具有较高的关联性。当归不同部位临床用药的趋向性与古人所述"归头止血、归身补血、归尾活血、全当归活血补血"之结论基本一致。为当归不同入药部位的临床科学合理用药提供一定的研究基础和参考。

关键词：当归不同部位化学物质组成药性功效取向

Recent development of three-dimension printed graphene oxide and MXene-based energy storage devices

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Tungsten 2024年第1期6卷 196-211页

作者： Liang-Hao Yu xin Tao shang-Ru Feng Jin-Tao Liu Lin-Lin Zhang Guang-Zhen Zhao Guang Zhu Key Laboratory of Spin Electron and Nanomaterials of Anhui Higher Education Institutes Suzhou UniversitySuzhou 234000China Key Laboratory of Leather of Zhejiang Province College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325035China

The research for three-dimension(3D)printing carbon and carbide energy storage devices has attracted widespread exploration *** designable in structure and materials,graphene oxide(GO)and MXene accompanied with a direct ink writing exhibit a promising prospect for constructing high areal and volume energy density *** review not only summarizes the recent advances in 3D printing energy storage devices including printing methods,ink rheological properties,and different energy storage systems,but also discusses the printing methods related to energy *** addition,the binder or additive free of two-dimensional carbide materials is quite important for the present electrochemical energy storage devices,which also are presented.

关键词： 3D printing Two-dimensional materials Energy storage device Ink theological MXene

High-precision X-ray polarimeter based on channel-cut crystals

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Nuclear Science and Techniques 2024年第3期35卷 30-39页

作者： shang-Yu Si Zhong-Liang Li Wen-Hong Jia Lian Xue Hong-xin Luo Jian-Cai Xu Bai-Fei Shen Lin-Gang Zhang Liang-Liang Ji Yu-xin Leng Ren-Zhong Tai shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China University of Chinese Academy of Sciences Beijing 100049China shanghai Synchrotron Radiation Facility Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201204China shanghai Institute of Optics and Fine Mechanics Chinese Academy of SciencesShanghai 201800China

We report on using synthetic silicon for a high-precision X-ray polarimeter comprising a polarizer and an analyzer,each based on a monolithic channel-cut crystal used at multiple Brewster reflections with a Bragg angle very close to 45°.Experiments were performed at the BL09B bending magnet beamline of the shanghai Synchrotron Radiation Facility using a Si(800)crystal at an X-ray energy of 12.914 keV.A polarization purity of 8.4×10^(-9)was *** result is encouraging,as the measured polarization purity is the best-reported value for the bending magnet ***,this is the firstly systematic study on the hard X-ray polarimeter in China,which is crucial for exploring new physics,such as verifying vacuum birefringence.

关键词： X-ray polarimeter Vacuum birefringence Synchrotron radiation Channel-cut crystal

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基于关联规则的中药配伍禁忌配伍特点的分析

南京中医药大学学报 2010年第6期26卷 421-424页

作者：尚尔鑫范欣生段金廒叶亮南京中医药大学江苏省方剂研究重点实验室江苏南京210046

目的以数据挖掘的方法分析中药配伍禁忌的组成特点和配伍方式,寻找配伍禁忌特定的属性组和,揭示配伍禁忌部分标志性属性。方法基于关联规则挖掘的方法 ,从药物的性味归经属性上挖掘药典中的中药配伍禁忌组合与常用药对之间的属性组合差... 详细信息

目的以数据挖掘的方法分析中药配伍禁忌的组成特点和配伍方式,寻找配伍禁忌特定的属性组和,揭示配伍禁忌部分标志性属性。方法基于关联规则挖掘的方法 ,从药物的性味归经属性上挖掘药典中的中药配伍禁忌组合与常用药对之间的属性组合差异。结果部分属性组合如热-肺、热-寒、热-苦、热-甘、胃-热等在配伍禁忌中出现频率很高,而在药对中的出现频率则很低。其他属性组合如肾-肺、心-肺、脾-肺等在配伍禁忌和药对中都出现较多,特异性较差。结论通过挖掘研究,证明在配伍禁忌组合中存在着特定的性味归经属性组合,与药对存在明显的差异。若用于判别其他可能的配伍禁忌组合还需要进一步研究。

关键词：中药配伍禁忌药对性味归经关联规则数据挖掘

麻杏石甘汤及拆方对RSV加重型哮喘气道炎症的保护作用及调控TRPV1的机制研究

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中国中药杂志 2022年第21期47卷 5872-5881页

作者：李梦雯范欣生周丽萍刘默尚尔鑫南京中医药大学中医学院·中西医结合学院江苏南京210023 南京中医药大学中药资源产业化过程协同创新中心江苏南京210023

探讨麻杏石甘汤及拆方干预呼吸道合胞病毒(respiratory syncytial virus, RSV)加重型哮喘气道炎症的效应及对瞬时受体电位香草酸亚型1(transient receptor potential vanilloid-1, TRPV1)的调控作用。采用卵清蛋白复合RSV复制加重型哮... 详细信息

探讨麻杏石甘汤及拆方干预呼吸道合胞病毒(respiratory syncytial virus, RSV)加重型哮喘气道炎症的效应及对瞬时受体电位香草酸亚型1(transient receptor potential vanilloid-1, TRPV1)的调控作用。采用卵清蛋白复合RSV复制加重型哮喘小鼠模型(雌性C57BL/6小鼠),麻杏石甘汤及拆方进行干预。观察各组外周血嗜酸性粒细胞(eosinophil, EOS)和支气管肺泡灌洗液(bronchoalveolar lavage fluid, BALF)中炎细胞水平、呼吸间歇(Penh)值变化、肺病理损伤,酶联免疫吸附测定(enzyme linked immunosorbent assay, ELISA)法测定BALF中白细胞介素(interleukin, IL)-4、IL-13、P物质(substance P,SP)、前列腺素E2(prostaglandin E2, PGE2)等水平变化,定量实时聚合酶连锁反应(quantitative real time polymerase chain reaction, qPCR)、蛋白免疫印迹法(Western blot)检测小鼠肺组织中TRPV1 mRNA和蛋白表达。体外以IL-4联合RSV刺激16HBE细胞,观察麻杏石甘汤及拆方含药血清干预后TRPV1表达及经TRPV1激动剂刺激后的胞内Ca2+水平变化。结果显示,与空白组相比,模型组小鼠出现明显的哮喘表型,外周血和BALF中各类炎细胞水平、Penh值显著升高(P<0.05,P<0.01),肺组织损伤严重。与模型组相比,全方组、石膏组及麻杏草组外周血和BALF中EOS水平显著下降(P<0.01,P<0.05);全方组和石膏组可显著降低BALF中白细胞、中性粒细胞水平(P<0.01),麻杏草组可下降中性粒细胞水平(P<0.05);全方对外周血和BALF中炎细胞水平的改善作用优于拆方组(P<0.05,P<0.01);50 mg·mL-1氯化乙酰胆碱激发后,全方组和麻杏草组Penh值显著降低(P<0.01),石膏组Penh值下降(P<0.05);麻杏石甘汤及拆方可不同程度减轻肺组织病理损伤;全方组可显著降低BLAF中IL-4、IL-13、PGE2、SP水平(P<0.05,P<0.01),石膏组可下降BLAF中IL-13、PGE2、SP水平(P<0.05,P<0.01),麻杏草组可下降BALF中IL-13、PGE2水平(P<0.05,P<0.01);全方可下调肺组织中TRPV1的蛋白和mRNA表达(P<0.05,P<0.01)。麻杏石甘汤及拆方含药血清干预可下调经IL-4联合RSV刺激的16HBE细胞中TRPV1表达,抑制TRPV1激动剂引起的Ca2+内流,全方组显著优于拆方组(P<0.05)。体内、外实验结果表明,麻杏石甘汤及拆方对RSV加重型哮喘气道炎症具有保护作用,全方药物协同增效,干预作用优于拆方部分,不同组方部分在改善气道高反应性、抗过敏、抗炎方面各有贡献,其机制与调控TRPV1通道和相关炎症介质水平有关。

关键词：麻杏石甘汤支气管哮喘呼吸道合胞病毒平喘作用 TRPV1

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水牛角中水溶性物质化学组成分析与鉴定

药学学报 2015年第5期50卷 594-598页

作者：刘睿段金廒吴皓刘培尚尔鑫钱大玮南京中医药大学江苏省中药资源产业化过程协同创新中心江苏南京210023 f南京中医药大学江苏省海洋药用生物资源研究与开发重点实验室江苏南京210023 南京中医药大学江苏省方剂高技术研究重点实验室江苏南京210023

系统研究水牛角中水溶性物质的化学组成,建立水牛角中水溶性物质分析与鉴定的方法。采用shotgun蛋白质鉴定技术研究水牛角中蛋白质类物质组成,主要为角蛋白、胶原蛋白、桥粒蛋白等结构蛋白;以超滤系统与LC-MS/MS结合鉴定了水牛角中肽类... 详细信息

系统研究水牛角中水溶性物质的化学组成,建立水牛角中水溶性物质分析与鉴定的方法。采用shotgun蛋白质鉴定技术研究水牛角中蛋白质类物质组成,主要为角蛋白、胶原蛋白、桥粒蛋白等结构蛋白;以超滤系统与LC-MS/MS结合鉴定了水牛角中肽类物质组成,主要为源于角蛋白与胶原蛋白等蛋白质的C末端肽段与非C末端肽段;通过与对照品比对,确定了水牛角中次黄嘌呤、尿苷、鸟苷及腺苷4种核苷类物质。本文研究思路可用于角类动物药中水溶性物质组成与分析,为揭示角类动物药功效物质基础提供依据。

关键词：水牛角蛋白质肽类

Polysaccharides of Aspergillus cristatus attenuate obesity by regulating gut microbiota and gut microbiota-related metabolites

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Food Science and Human Wellness 2024年第3期13卷 1513-1530页

作者： Mingzhi Zhu Bohao shang Fang Zhou Yong Yuan Feiyan Yin Jin Cao Jianan Huang Kunbo Wang xin Zeng Maiquan Li Zhonghua Liu College of Horticulture Hunan Agricultural UniversityChangsha 410128China College of Life Sciences Huaibei Normal UniversityHuaibei 235000China Hunan Tea Group Co. Ltd.Changsha 410128China School of Food Science and Technology Hunan Agricultural UniversityChangsha 410128China

Golden-flower fungus,the only dominant microorganism determining the Fu-brick tea quality through fermentation and the important microbe in Liupao tea,is considered a potential probiotic fungus based on its anti-obesity ***,the classification of golden-flower fungi is still controversial;the anti-obesity effect of golden-flower fungus polysaccharides remains *** this study,we identify a golden-flower strain as Aspergillus cristatus based on morphological characteristics and multigene phylogeny analysis,which resolves the controversy of ***,we find *** polysaccharides(ACPS)attenuate obesity in *** modulate gut bacterial *** which Akkermansia,Akkermansia muciniphila,Bacteroides,Romboutsia,Blautia,and Desulfovibrio are considered the core microbes regulated by *** increase fecal total short-chain fatty acid content and serum,hepatic,and fecal total bile acid ***,ACPS-induced gut microbiota alteration plays a causal role in the protection from obesity,according to a fecal transplantation ***,ACPS ameliorate obesity by regulating gut microbiota and gut microbiota-related metabolites.

关键词： Golden-flower fungus Aspergillus cristatus Polysaccharides Obesity Gut microbiota