Study on the Effect of the Concentration of Na+ and Li+ on Mass Spectral Fragmentation of An Acetylated Melezitose with Fast Atom Bombardment

Acta Scientiarum Naturalium Universitatis Pekinensis

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Study on the Effect of the Concentration of Na⁺ and Li⁺ on Mass Spectral Fragmentation of An Acetylated Melezitose with Fast Atom Bombardment

HE Xiaoran, LIN Xiaoyuan, YU Zhenpei, HE Meiyu

College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871

Received:1997-03-18 Online:1997-11-20 Published:1997-11-20

快原子轰击下NaCl, LiCl水溶液浓度对乙酰化松三糖质谱碎裂影响的研究

贺晓然,林孝元,俞振培,何美玉

北京大学化学与分子工程学院，北京，100871

Abstract

Abstract: The dependence of the relative intensity of cationic molecule and fragmentation ion of an acetylated melezitose on the concentration of Na⁺ or Li⁺ in the matrix was studied by using fast atom bombardment source. It implies that the mass spectrum with complete structural information can be observed in a proper range of the concentration of Na⁺ or Li⁺.

Key words: fast atom bombardment source, acetylated melezitose, mass spectral fragmentation

摘要： 利用快原子轰击源研究了乙酰化松三糖的阳离子化分子和碎片离子的相对强度随底物中Na⁺或Li⁺浓度变化的趋势。表明在适当的Na⁺或Li⁺浓度下，可得到结构信息较全面的质谱图。

关键词: 快原子轰击源, 乙酰化松三糖, 质谱碎裂

CLC Number:

O621

HE Xiaoran,LIN Xiaoyuan,YU Zhenpei,HE Meiyu. Study on the Effect of the Concentration of Na⁺ and Li⁺ on Mass Spectral Fragmentation of An Acetylated Melezitose with Fast Atom Bombardment[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

贺晓然,林孝元,俞振培,何美玉. 快原子轰击下NaCl, LiCl水溶液浓度对乙酰化松三糖质谱碎裂影响的研究[J]. 北京大学学报（自然科学版）.

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https://xbna.pku.edu.cn/EN/Y1997/V33/I6/725

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Study on the Effect of the Concentration of Na⁺ and Li⁺ on Mass Spectral Fragmentation of An Acetylated Melezitose with Fast Atom Bombardment

快原子轰击下NaCl, LiCl水溶液浓度对乙酰化松三糖质谱碎裂影响的研究

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