颗粒诱导解吸和大分子的分析

Catherine Fenselau, J. Yergey, D. Heller
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引用次数: 34

摘要

本次德州粒子诱导解吸研讨会的开幕演讲旨在反思目前的技术状况,并向参加研讨会三个分支的仪器学家、理论家和分析/生物有机化学家提出问题。本文讨论了我们实验室最近的研究,这些研究调查了从未知的中等质量或大分子的分子离子包膜中可以推断出的信息,评估了5000 amu以上单位分辨率的需求,并说明了粒子诱导解吸提供稳定同位素分析的能力,混合物中的绝对和相对定量,以及分子量和结构信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Particle induced desorption and the analysis of large molecules

This opening lecture in the Texas Symposium on Particle Induced Desorption is intended to reflect on the state of the art, and to pose questions to the instrumentalists, the theoreticians and the analytical/bioorganic chemists participating in the three respective subdivisions of the symposium. Recent studies from our laboratory are discussed which investigate the information which can be deduced from the molecular ion envelope of an unknown middle mass or large molecule, evaluate the need for unit resolution above 5000 amu, and illustrate the ability of particle induced desorption to provide stable isotope analyses, absolute and relative quantitation in mixtures, as well as molecular weights and structural information.

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