1) electrospray ion trap mass spectrometry
电喷雾离子阱质谱
1.
Methodology of electrospray ion trap mass spectrometry for analyzing the non-covalent binding of protein and low-molecular-weight ligand;
电喷雾离子阱质谱法研究蛋白与小分子配体间非共价结合的方法学探讨
2.
To investigate the characteristics of mass spectra of four sildenafil derivatives, their fragments were analyzed using electrospray ion trap mass spectrometry in a multi-stage MS full scan mode performed on a Finnigan LCQ instrument.
采用电喷雾离子阱质谱法对4种西地那非衍生物进行了质谱研究,获得了它们的结构碎片信息,通过比较它们的异同对其质谱裂解途径进行解析,发现它们的（+）ESI-MS2质谱生成磺酰基S-C键和S-N键断裂、亚甲氧基C-O键断裂以及磺酰基重排后C-S键断裂的碎片,基峰为亚甲氧基C-O键断裂产生,其（+）ESI-MS3质谱生成脱NH3、脱CO、脱NH=C=O以及异环开裂碎片,这些特征可用于阐明西地那非衍生物及其结构类似物的结构。
3.
To investigate the characteristics of mass spectra of four sildenafil piperidine derivatives, their fragments were analyzed by electrospray ion trap mass spectrometry in a multi-stage tandem MS full scan mode performed on a Finnigan LCQ instrument.
采用负离子检测方式对 4种西地那非哌啶衍生物进行了电喷雾离子阱质谱研究。
2) electrospray ion trap mass spectrometry(ESI-MS)
电喷雾离子阱质谱
1.
Methods The molecular weights of TE,human serum albumin(HSA),α1-acid glycoprotein(AAG) and the protein-drug complexes were measured by the electrospray ion trap mass spectrometry(ESI-MS).
方法采用电喷雾离子阱质谱分别测定射干苷、人血清白蛋白、α1-酸性糖蛋白及其所形成复合物的相对分子质量。
3) ESI-ITMS
电喷雾离子阱质谱
1.
The MS behaviors and dissociation laws of four alkaloids in Cinchona were studied by direct infusion into electrospray ion trap mass spectrometry (ESI-ITMS).
利用电喷雾离子阱质谱(ES-ITMS)技术进行了金鸡纳中4种喹啉类生物碱(奎宁、奎尼定、辛可宁和辛可尼定)的电喷雾质谱研究。
2.
A new mass spectrometric method for determining association constants and binding stoichiometry of protein-ligand interaction was presented in this paper based on electrospray ion trap mass spectrometry(ESI-ITMS) and titration method using the non-covalent binding between berberine and human serum albumin(HSA) as a study case.
以小檗碱与人血清白蛋白间的非共价结合作用为例,提出了一种应用电喷雾离子阱质谱(ESI-ITMS)研究蛋白-配体非共价结合稳定常数与结合计量比等特性的新方法。
4) electrospray ionization-ion trap mass spectrometry
电喷雾电离-离子阱质谱
5) Electrospray ion trap mass spectrometry
电喷雾离子阱质谱法
1.
Methods In positive mode, eight aminoglycoside antibiotics were elucidated by use of electrospray ion trap mass spectrometry in the multi-stage MS full scan mode.
方法 在正离子检测方式下,用电喷雾离子阱质谱法对庆大霉素、小诺霉素、西索霉素、依替米星、奈替米星、威替米星、卡那霉素A和妥布霉素进行多级质谱分析。
2.
Methods In positive mode,five 2-pyrrolidone derivatives were elucidated by use of electrospray ion trap mass spectrometry in the multi-stage MS full scan mode.
方法在正离子检测方式下,用电喷雾离子阱质谱法对吡拉西坦、奥拉西坦、茴拉西坦、奈非西坦和左乙拉西坦进行多级质谱分析。
6) electrospray-mass spectrometry
电喷雾-离子阱质谱
补充资料：离子阱质谱计
分子式：
CAS号：
性质：一种与毛细管气相色谱仪联用的小型台式质谱仪器，缩写为ITD。离子阱把离子源和质量分析器两项功能结合在一个三极片组件里来实现。加热灯丝发射的电子束由门电极脉冲地送入中心腔体，以普通的电子电离方式将试样分子电离，离子在腔中被加于中心的环电极上的电场收集。电场增强时，离子则按其质荷比m/z值从腔中发射出来，被电子倍增器检测。
CAS号：
性质：一种与毛细管气相色谱仪联用的小型台式质谱仪器，缩写为ITD。离子阱把离子源和质量分析器两项功能结合在一个三极片组件里来实现。加热灯丝发射的电子束由门电极脉冲地送入中心腔体，以普通的电子电离方式将试样分子电离，离子在腔中被加于中心的环电极上的电场收集。电场增强时，离子则按其质荷比m/z值从腔中发射出来，被电子倍增器检测。
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