飞行时间质谱

改进了飞行时间质谱仪中脉冲阀的进气方式，减少了死区，实现了质谱的快速采样。

Fast sampling was carried out by changing gas inlet of TOF MS to reduce the dead volume of pulse valve .

飞行时间质谱技术在肾脏缺血/再灌注（I/R）损伤研究中的应用

Application of MALDI-TOF MS in Renal Ischemia / Reperfusion ( I / R ) Injury Research

利用飞行时间质谱进行蛋白质和多肽C端序列测定

C-terminal Sequencing of Protein and Peptide by MALDI TOF Mass Spectrometry

电喷雾-离子阱-飞行时间质谱联用研究黄酮和异黄酮苷元C环上的裂解规律

Fragmentation Study of the C Ring in Flavone and Isoflavone Aglycones by Electrospray Ion Trap Time-of-Flight Mass Spectrometry

激光电离飞行时间质谱法研究Al原子与卤代甲烷气相化学反应

Laser Photoionization TOF-MS Studies on Chemical Reactions of Laser Ablated Al Atom with Halomethanes

基于LabView的共振增强双光子电离-飞行时间质谱数据采集系统

Data acquisition system for resonance-enhanced 2 - photon ionization time-of-flight mass spectrometry based on Lab VIEW

电喷雾飞行时间质谱法研究溶液pH值对醋氨己酸锌络合结构的影响

Effect of solution pH value on the chelation structure of zinc acexamate by electrospray ionization mass spectrometry

以2-氨基-5-硝基噻唑为基质辅助激光解吸/电离飞行时间质谱的有效基质分析DNA及蛋白质样品

Analysis of Oligonucleotide and Protein via Matrix-assisted Laser Desorption / Ionization Time-of-flight Mass Spectrometry Using 2-Amino-5-nitrothiazole as an Effective Matrix

采用碱性新基质2-氨基-5-硝基噻唑对DNA和蛋白质样品进行了基质辅助激光解吸/电离飞行时间质谱分析。

Using 2-amino-5-nitrothiazole as a matrix , the matrix-assisted laser desorption / ionization time-of-flight mass spectrometric study of oligonucleotide and protein was carried out .

B／KNO3点火药在激光作用下的飞行时间质谱研究

The TOFMS Study of Laser Excitation the Reaction of B / KNO_3

近年来开展的表面加强激光解吸电离-飞行时间质谱（Surfaceenhancedlaserdesorption/ionizationtime-of-flightMassSpectrometry，SELDI-TOF-MS）技术为这一探索提供了优良的技术平台。

A novel technology , surface enhanced laser desorption / ionization-time of flight-mass spectrometry ( SELDI-TOF-MS ) carved out such a new path to proteomics research on breast cancer .

红霉素类抗生素电喷雾/飞行时间质谱源内CID研究

The In-Source CID Study of Erythromycin Analogue Antibiotic in Electrospray Ionization / Time-of-flight Mass Spectrometry

建立了烟叶中挥发性、半挥发性碱性化合物组成研究的全二维气相色谱/飞行时间质谱（GC×GC/TOFMS）分析方法，并用所建立的方法对香料烟中碱性化合物进行了表征。

Comprehensive two-dimensional gas chromatography / time-of-flight mass spectrometry ( GC × GC-TOFMS ) has been applied for characterization of volatile and semi-volatile alkaline compounds in ori-ental tobacco leaf .

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。

Laser pluses exciting the chemical reaction process of B / KNO3 was studied by use of TOFMS and the mechanism of the reaction was discussed .

样品的制备与纯化是基体辅助激光解吸/电离飞行时间质谱（MALDITOFMS）能成功用于脱氧核糖核酸（DNA）分析的关键所在。

Sample preparation and purification are crucial in deoxyribonucleic acid ( DNA ) analysis by marix-assisted laser desorption / ionization-time of flight-mass spectrometry ( MALDI-TOF-MS ) .

本文报道了将紫外光电子能谱（UPS）和飞行时间质谱（TOFMS）相结合的技术。

The technique of coupling ultraviolet photoelectron spectroscopy ( UPS ) with time-of-flight mass spectrometry ( TOFMS ) is described .

用飞行时间质谱计研究水杨酸铅对HMX热分解的催化作用

Studies on the catalytic action of lead salicylate on the thermal decomposition of HMX using time-of-flight mass spectrometer

并且通过应用基质辅助激光解析电离飞行时间质谱（matrix-assistedlaserdesorptionionisationtime-of-flightMassSpectrometry，MALDI-TOF-MS），对单核细胞增生性李斯特氏菌的鉴定分型和溯源进行了系统的研究。

Meanwhile the research has studied the identifying , genotyping and tracing of Listeria using matrix-assisted laser desorption ionisation time-of-flight mass spectrometry ( MALDI-TOF-MS ) .

血清气相色谱-飞行时间质谱（GC/TOF-MS）检测数据的多元统计分析结果显示，患者体内的苯丙氨酸含量显著升高（P0.01），且与肝病发展进程呈正相关。

GC / TOF-MS and multivariate statistical analysis showed that the serum concentration of phenylalanine in patients increased significantly ( P0.01 ) and was positively related to disease process .

应用基质辅助激光解吸电离飞行时间质谱技术研究了激光强度对酸性多肽（acidicpeptide，AP）解吸电离和稳定性的影响。

Effects of laser intensity on the desorption ionization and stability of acidic peptide ( AP ) were studied with matrix assisted laser desorption / ionization time of flight mass spectrometry .

用表面加强激光解析电离飞行时间质谱（SELDI-TOF-MS）和蛋白质芯片检测子宫内膜异位症（endometriosis，EM）患者血清蛋白质指纹图谱，探讨诊断模型在EM诊断中的临床应用价值。

To detect the serum proteomic patterns in endometriosis patients by using SELDI-TOF-MS protein chip array , build diagnostic models and evaluate its clinical significance .

飞行时间质谱仪（time-of-flightmassspectrometer，TOF-MS）在分子团簇的激光电离/解离动力学研究中广泛使用。

Time-of-flight ( TOF ) mass spectrometer is widely used in many research areas including the study of dynamics of laser ionization / dissociation molecular clusters .

本文应用基质辅助激光解吸附电离飞行时间质谱（MALDI-TOF-MS）测定了糖蛋白核糖核酸酶B的平均分子量及其糖基化程度。

The molecular weight , the rate of glycosylation and the glycosylation site of Ribonuclease B were determined by MALDI TOF MS combined with protease and endo glycosidase digestions .

此外，用基质辅助激光解析串联飞行时间质谱（MALDI-TOF-MS）和紫外-可见分光光度法（UV-Vis）对所制备的亲和吸附材料对人血清中的蛋白质的吸附性能进行研究。

In addition , MALDI-TOF-MS and UV-vis were used to analyze the adsorption property of these affinity adsorption materials in this study .

选用基质辅助激光解吸离子化飞行时间质谱技术研究不同激光强度对猪血管紧张肽（AngiotensinⅠ，AnⅠ）解吸离子化的百分率和一级结构的稳定性。

The percentage of desorption ionization and the stability of primary structure of angiotensin ⅰ( An ⅰ) were studied using different laser intensities with matrix-assisted laser desorption / ionization time-of-flight mass spectrometry .

采外周血提DNA后使用基质辅助激光解吸附电离飞行时间质谱检测技术（MALDI-TOF）对SNPs位点进行基因分型。

After DNA was isolated from peripheral blood , the matrix-assisted laser desorption / ionization time-of-flight mass spectrometry ( MALDI-TOF ) was used to determine the genotype of every SNPs .

该聚集体在37℃中性条件下能够重新溶解。我们使用内源荧光光谱、ANS结合、远紫外圆二色光谱以及飞行时间质谱对其进行了分析。

These aggregates are dissolved under physiological conditions at 37 ℃ and further characterized by fluorescence spectroscopy , circular dichroism and time-of-flight mass spectrometry .

目的运用双向电泳和基质辅助的激光解吸电离飞行时间质谱（matrix-assistedLaserDesorption/ionizationtime-of-flightMassSpectrometry，MALDI-TOF-MS）的方法，鉴定年龄相关性白内障和正常晶状体之间差异表达的蛋白质。

Objective To identify the different expressed proteins between the normal lens and age-related cataract by two-dimensional gel electrophoresis ( 2-DGE ) and matrix-assisted laser desorption / ionization time-of-flight mass spectrometry ( MALDI-TOF-MS ) .

方法采用基因组PCR、RT-PCR、直接测序以及基质辅助激光吸收电离子化-飞行时间质谱技术（Mass-ARRAY）等方法，在273例AML患者中检测PDGFRβ以及SHIP等基因突变和SNP。

Methods Screening of the mutation and SNP of PDGFR β and SHIP by genomic PCR , RT-PCR , directly sequencing and Mass-ARRAY system was carried out in 273 AML patients .

近年来表面增强激光解吸/离子化飞行时间质谱（SELDI-TOF-MS）技术已在许多肿瘤标志物研究中应用并取得成功。

Promising diagnostic patterns have recently been reported using surface enhanced laser desorption / ionization-time of flight-mass spectrometry technology ( SELDI-TOF-MS ) .