TOFMS相关论文
山茶属（Camellia）是山茶科（Theaceae）中种类较多、系统上较原始的一个属。该属植物全产于亚洲,而且我国是该属的分布中心,拥有80%以上......
CLONING, CHARACTERIZATION AND EXPRESSION ANALYSIS OF PROTEINS IN DIMOCARPUS LONGANA LOUR.SEEDUNGS UN
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The significant advantage of laser initiation is highly anti-electromagnetic interference capability,which meets the......
Ultra Performance Liquid Chromatography Ion Mobility Time-of-Flight Mass Spectrometry Characterizati
Ultra-performance liquid chromatography ion mobility time-of-flight mass spectrometry(UPLC-IM-TOFMS),integrating tra......
Consumption of asparagus is known to produce a characteristic odor in urine.It has been shown that the cause of the ......
将搅拌吸附萃取(SBSE)和全二维气相色谱/飞行时间质谱联用技术(GC×GC/TOFMS)联合应用,对中国传统名优白酒中的香味成分展开了全面......
目的:建立丹红注射液的UPLC指纹图谱,并对丹红注射液的指纹图谱共有峰进行鉴定。方法:采用UPLC法,ACQUITY UPLC~HSS T3色谱柱(2.......
制作了微型整体柱型的固定化酶反应器。在500μm内径毛细管内,以乙烯基三甲氧基硅烷处理形成端基烯键,采用原位合成法,以甲基丙烯......
Capillary electrophoresis coupled to mass spectrometry(CE–MS) was used for the analysis of naphthenic acid fraction com......
设计合成了一种meso-位咔唑基取代的二吡咯甲烷,并通过~1H NMR、~(13)C NMR和MALDI-TOFMS等手段对其进行了结构表征。对其合成方法......
运用飞行时间质谱研究了Ｂ／ＫＮＯ３点火药的激光点火过程，探讨了其反应机理．
The laser ignition process of B / KNO3 ignition powder was s......
目的探讨鸟结核分枝杆菌(M.avium)感染巨噬细胞后分泌的外泌体[(+)外泌体]刺激巨噬细胞后产生的分子免疫机制及其差异蛋白质成分研......
对质谱DNA序列测定的各种技术的原理、进展、面临的困难以及发展的前景作了评述。
The principles, progress, difficulties and ......
Determination of Trace Germanium in Marine Sediments by Hydride Generation-Atomic Fluorescence Spect
A method for the analysis of trace germanium in marine sediments by HG-AFS has been investigated. The experimental condi......
表面加强激光解析电离飞行时间质谱 (SELDI TOFMS)是一种新的蛋白质检测技术。与传统的蛋白质组学方法相比 ,该技术具有快速、灵敏......
清华大学激光单原子探测实验室用电热原子化激光共振电离─飞行时间质谱仪(ETARI-TOFMS)成功地将山东胶东地区的壤中气吸附体地质......
由于飞行时间质谱仪(TOFMS)的应用日益广泛,提高其质量分辨率已成为人们关注的一个目标。1955年Wiley和Mclaren提出二步加速场原......
介绍了合肥国家同步辐射实验室(NSRL)光化学实验站用于研究原子、分子结构及离子-分子反应的阈值光电子-光离子符合(TPEPICO)技术......
继去年8月25日,厦门质谱仪器仪表有限公司(简称厦门质谱公司)成功开发出我国首台具有完全自主产权的商品化小型台式气相色谱—飞行......
介绍一种新的利用飞行时间质谱仪 (TOFMS)对内燃机排气成分进行动态检测的方法。通过分析飞行时间质谱仪的原理 ,从理论上证明了这......
Comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry(GC×GC-TOFMS)was applied ......
我们用离子团束－飞行时间质谱（ＩＣＢ－ＴｏＦＭＳ）系统制备了金（Ａｕ）超微粒子－聚乙烯（ＰＥ）薄膜和Ｃ＿（６０）－聚乙烯薄膜。用透射电子显微镜（ＴＥＭ）分析了所制备的样品。它们的结构是Ａｕ超......
AIM To study the possibility of matrix-assistedlaser desorption/ionization time of flight massspectrometry (MALDI--TOF M......
[Objective] To study the methods for extracting volatile components from Schizonepeta tenuifolia Briq.[Method] The volat......
质谱 (massspectrometer,MS)分析是分析化学中进行物质成分和结构分析的主要技术之一 ,其基本原理是将分析样品在特定的条件下转变......
目的:研究一株拟盘多毛孢菌(Pestalotiopsis sp.)的化学成分。方法:采用硅胶(silica gel,Rp-18 silica gel)和凝胶(Sephadex LH-20......
Identification of proteins of human colorectal carcinoma cell line SW480 by two-dimensional electrop
AIM: To conduct the proteomic analysis of human colorectal carcinoma cell line, SW480 by using two-dimensional electroph......
应用全二维气相色谱飞行时间质谱分析了艾叶浸膏的挥发性成分,共检测到210种物质,鉴定出65种匹配度较高的物质,主要为萜烯类物质及......
自1990年Kr(?)tschmer等报道常规量C_(60)的制备方法以来,富勒烯(球烯)的研究进展令世人瞩目.目前球烯的制备主要利用石墨经电弧蒸......
Copper oxide cluster ions CunOm n=1-22, m=1-12 are generated by 523 nm laser ablation of CuCO3 solid sample with Time of......
目的分离纯化血红素肽-铁,并分析其清除自由基的能力。方法以聚丙烯酰胺为载体,对利用真空及低压高频脉冲胰蛋白酶降解猪血红蛋白......
25.27-bis-(2-aminoethoxy)-p-tert was linked to double calix[4]arene derivatives by the Schiff-base moiety in its lower r......
STUDY ON THE MATRIX ASSISTED LASER DESORPTION IONIZATION TIME OF FLIGHT MASS SPECTROMETRY OF PHTHALO
PhthalocyaninesareapromisingclassofmaterialsforelectronicandphotonicdevicesduetoTheirsuperiorchemicalandphysicalstabilit......
Intensity Exaggeration of Endohedral Metallofullerenes in Laser Desorption-Ionization Time-of-Flight
The laser-desorption-ionization time-of-flight mass spectro metry and desorptionelectron-ionization mass spectrometry we......
Two kinds of macrocyc1ic oligomers containing aromatic sulfide linkages have been synthesized by the solution polyconden......
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Resonance-Enhanced Multiphoton Ionization Combined with Time-of-Flight MS for Study on Dehydro-aroma
Time resolveddetection ,whichisnotpossiblewithconventionalGC ,MS ,orGC MS ,isofpar ticularimportanceinmonitoringthe prod......
Highly Selective Molecular Recognition of Biologically Active Substances Using Liquid Phase Separati
The development of new chiral stationary phases has been very important in the a ccurate analysis of drug enantiomers an......
Identification of petroleum aromatic fraction by comprehensive two-dimensional gas chromatography wi
Comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry(GC×GC-TOFMS) is commerci......
目的:比较Wang树脂和二氯三苯甲基树脂(以下简称二氯树脂)在固相合成机体保护肽中的表现,为工业化生产提供理论依据。方法:通用的F......
The electron impact time-of-flight(TOF) mass spectra of the title compounds were studied to establish their fragmentatio......
Adenosineanditscorrespondingnucleotidesadenosine 5′monophosphate (AMP) ,adenosine 5′diphosphate (ADP)andadenosine 5′t......
第 2 5卷 第 1期镶嵌式小型十六极阵列质谱计分析器的研制丁军平 ,刘学博 ,袁修干 ,等 ( 1 )……………………………………………......
Comparison of geochemical parameters derived from comprehensive two-dimensional gas chromatography w
The saturated and aromatic hydrocarbon fractions of crude oil samples have been analyzed by using comprehensive two-dime......
用超高效液相色谱和高分辨飞行时间质谱(UPLC/Q-TOFMS)联用技术,跟踪小鼠给予药物辛伐他汀前后血清中的内源性代谢物的变化,开展基......
采用凝胶色谱、高效液相色谱等方法从栖息于我国南海的桶形芋螺的毒液中纯化出一个新的芋螺毒素BtIIIB.采用氨基酸组成分析、质谱......
Characterization of 4-Aryl-5-ethoxycarbonyl-6-methyl-3,4-dihydro-pyrimidin-2(1H)-thiones by EI-TOF M
The electron impact(EI) time-of-flight mass spectra(TOFMS) of the title compounds(thioxo-Biginelli compounds) were studi......
