1) Desorption electrospray ionization
电喷雾解吸电离质谱
1.
Desorption electrospray ionization mass spectrometry(DESI-MS)was employed for fast direct detection of 5 alkaloids such as evodiamide,evodiamine,hydroxyvodiamine,rutae carpine and goshuyuamide-Ⅰ presented in Fructus Evodiae herb plant.
本文利用电喷雾解吸电离质谱(DESI-MS)能够在不需要样品预处理的前提下进行复杂基体样品分析的特点,采用酸性甲醇-水混合溶液作为喷雾试剂,在优化了的实验条件下快速获得了吴茱萸的DESI-MS指纹谱图,然后利用串联质谱对其中有重要活性的5种生物碱进行了结构鉴定。
2) Desorption electrospray ionization mass spectrometry
电喷雾解析电离质谱
1.
Desorption electrospray ionization mass spectrometry(DESI-MS) was employed for fast direct(detection) of Sudan dyes such as Sudan Ⅰ,Sudan Ⅱ,Sudan Ⅲ and Sudan Ⅳ presented in various foods,(including) chili powder,tomato sauce,sausage and fried egg.
将电喷雾解析电离质谱法应用于偶氮类染料的表面解析电离质谱法研究,在优化实验条件后,应用甲醇-水-醋酸(49∶49∶2,V/V)混合溶液作为喷雾溶剂,在不需要样品预处理的情况下,成功地测定了辣椒面、番茄酱、火腿肠、鸡蛋饼中微量的苏丹红类染料,并且应用串联质谱法对测定结果进行了鉴定,排除了测定结果的假阳性。
3) desorption electrospray ionization(DESI)
解吸电喷雾电离
4) electrospray ionization mass spectrometry
电喷雾电离质谱
1.
Metallothionein isoforms and sub-isoforms were characterized with a hyphenated technique of reversed-phase liquid chromatography (RPLC) coupled with electrospray ionization mass spectrometry (ESI-MS).
通过反相液相色谱(RPLC)与电喷雾电离质谱(ESI MS)的联用技术,对镉诱导金属硫蛋白标准物质MT 1和MT 2的结构进行表征分析。
2.
The structures of xylobiose and xylotriose were determined by HPLC,electrospray ionization mass spectrometry(ESI-MS)and 13C NMR spectroscopy.
糖基组成分析结果表明该木二糖和木三糖组分均不含阿拉伯糖基,电喷雾电离质谱(ESI-MS)分析表明该木二糖和木三糖组分的相对分子质量(Mr)分别为282和414,不含乙酰基、阿拉伯糖基或4-O-甲基葡萄糖醛酸基。
5) ESI-MS
电喷雾电离质谱
1.
ESI-MS of Three Hindered Amine Free Radical Stabilizers;
三种受阻胺氮氧自由基光稳定剂的电喷雾电离质谱
2.
The mass spectrometric behavior of three depsidones isolated from Lichen was studied by elec-trospray tandem mass spectrometry,showing that these compounds in ESI-MSn could produce many daugh-ter ions.
采用电喷雾多级质谱方法,研究了三个从地衣中提取到的缩酚酸醚类化合物在电喷雾电离质谱中的裂解行为,结果表明它们在电喷雾多级质谱中能得到较多碎片离子,其裂解途径能体现它们的基本结构特征。
3.
Using ESI-MS to analyze them, the spectra was very clear and the molecular weight of those oligosaccharides could be accurately determined to be 324, 630, 936, 1 242, 1 548 and 1 854, respectively.
首次对 6种琼胶寡糖的分子量 ,采用电喷雾电离质谱 (ESI -MS)进行分析测定。
6) electron spray ionization mass spectrometry
电喷雾电离质谱
1.
Electron ionization mass spectrometry(EI-MS) and electron spray ionization mass spectrometry(ESI-MS) were used for the elucidations of the structure and fragmentation pathway of phencynonate(PC).
采用电子轰击质谱(EI-MS)、电喷雾电离质谱(ESI-MS)两种技术分别对苯环壬酯结构和裂解途径进行了研究。
2.
Electron spray ionization mass spectrometry(ESI-MS) and electron ionization mass spectrometry(EI-MS) were used to elucidate the structures and fragmentation pathway of tanshinone ⅡA and tanshinone Ⅰ,major fat-soluble components of traditional Chinese herbal medicine called "DanShen".
采用电喷雾电离质谱(ESI-MS)和电子轰击质谱(EI-MS)两种质谱技术分别对传统中药丹参的主要脂溶性活性成分丹参酮ⅡA和丹参酮Ⅰ的化学结构和裂解途径进行系统研究。
3.
Methods For further study on it, the mass spectrometry techniques of electron ionization mass spectrometry(EI-MS) and electron spray ionization mass spectrometry(ESI-MS) were used for t.
方法采用电子轰击质谱(EI-MS)、电喷雾电离质谱(ESI-MS)2种质谱技术分别对TC的结构和裂解途径进行实验。
补充资料：电喷雾
分子式：
CAS号：
性质：通常指液相色谱和质谱联用的接口装置。溶剂带着离子型或极性试样分子流过毛细管，在毛细管的出口处加一高压电场，在库仑力的作用下，试样分子在毛细管的出口处会发生喷雾，雾化成细小的带有电荷的雾滴，现在已成功地用于液相色谱质谱联用仪(LC/MS)以及毛细管电泳质谱联用仪(CE/MS)的接口和离子化装置。
CAS号：
性质：通常指液相色谱和质谱联用的接口装置。溶剂带着离子型或极性试样分子流过毛细管，在毛细管的出口处加一高压电场，在库仑力的作用下，试样分子在毛细管的出口处会发生喷雾，雾化成细小的带有电荷的雾滴，现在已成功地用于液相色谱质谱联用仪(LC/MS)以及毛细管电泳质谱联用仪(CE/MS)的接口和离子化装置。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条