Letter: Radical ion and protonated molecule formation with retinal in electrospray and nanospray

Guaratini T; Gates PJ; Cardozo KHM; Campos PMBGM; Colepicolo P; Lopes NP

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Letter: Radical ion and protonated molecule formation with retinal in electrospray and nanospray

机译：信：电喷雾和纳米喷雾中与视网膜形成自由基离子和质子化分子

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This paper reports a preliminary study of the nanospray ionisation mass spectrometry analyses of retinoic acid and retinal. The results are compared and contrasted to the results normally observed with electrospray ionisation. A significant difference in behaviour was observed for the balance between radical ion formation and protonated molecule formation for retinal. The results suggest that the influence of the very different ionisation conditions present in nanospray is very important in determining how ionisation is achieved and has potentially wide ranging applications in the fields of mass spectral analysis of biological and medical extracts.

机译：本文报道了对维甲酸和视网膜的纳米喷雾电离质谱分析的初步研究。将结果与电喷雾电离正常观察到的结果进行比较和对比。对于视网膜的自由基离子形成和质子化分子形成之间的平衡，观察到了行为上的显着差异。结果表明，纳米喷雾中存在的非常不同的电离条件的影响对于确定如何实现电离非常重要，并且在生物和医学提取物的质谱分析领域具有广泛的应用前景。

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《European journal of mass spectrometry》 |2006年第1期|共4页
作者
Guaratini T; Gates PJ; Cardozo KHM; Campos PMBGM; Colepicolo P; Lopes NP;
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正文语种 eng
中图分类分析化学;
关键词
retinoids; retinal; retinoic acid; nanospray ionisation; electrospray ionisation; molecular ion; MASS-SPECTROMETRY; VITAMIN-A; RETINOIDS;

机译：维甲酸;视网膜;视黄酸;纳米喷雾电离;电喷雾电离;分子离子;质谱法;维生素A;类维生素A;

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1. Letter: Radical ion and protonated molecule formation with retinal in electrospray and nanospray [J] . Guaratini T, Gates PJ, Cardozo KHM, European journal of mass spectrometry . 2006,第1期

机译：信：电喷雾和纳米喷雾中与视网膜形成自由基离子和质子化分子
2. Re-investigation of the fragmentation of protonated carotenoids by electrospray ionization and nanospray tandem mass spectrometry [J] . Carnevale Neto Fausto, Guaratini Thais, Costa-Lotufo Leticia, Rapid Communications in Mass Spectrometry: RCM . 2016,第13期

机译：通过电喷雾电离和纳米喷雾串联质谱对质子化类胡萝卜素的碎片进行重新研究
3. Unexpected formation of complexes between a protonated organic ligand and a neutral salt molecule studied by electrospray ionization mass spectrometry [J] . Gierczyk B., Schroeder G., Frański R. European journal of mass spectrometry . 2010,第5期

机译：通过电喷雾电离质谱研究了质子化有机配体与中性盐分子之间复合物的意外形成
4. Mass Spectrometric and Theoretical Studies on the Fragmentation Mechanism of Protonated Molecules and Molecular Radical Cations in the Gas Phase.I.Hexamethyldigermane and Hexamethyldisilane [C] . Takae Takeuchi, Yuko Shirai Symposium on Organometallic Chemistry . 2004

机译：质谱与气相质子化分子碎裂机理的质谱与理论研究。氟甲基二甲烷和六甲基二硅烷的质子化分子和分子自由基阳离子
5. The Formation and Stability of Radical-Molecule and Radical-Radical Complexes and Their Importance in Atmospheric Processes [D] . Clark, Jared Matthew 2011

机译：自由基和自由基基团的形成，稳定性及其在大气过程中的重要性
6. Retinal Conformation Governs pKa of Protonated Schiff Base in Rhodopsin Activation [O] . Shengshuang Zhu, Michael F. Brown, Scott E. Feller -1

机译：视紫红质激活时视网膜构象控制质子化席夫碱的pKa
7. Ion-Ion and Ion-Molecule Reactions at the Surface of Proteins Produced by Nanospray. Information on the Number of Acidic Residues and Control of the Number of Ionized Acidic and Basic Residues [O] . Verkerk Udo H., Kebarle Paul 2005

机译：纳米喷雾产生的蛋白质表面的离子和离子分子反应。有关酸性残基数量的信息以及对电离酸性和碱性残基数量的控制
8. Very Low Pressure Reactor. A New Technique for Measuring Rates and Equilibria of Radical-Molecule Reactions at Low Temperature. Heat of Formation of the Methyl Radical. [R] . Baghal-Vayjooee, M. H., Colussi, A. J., Benson, S. W. 1978

机译：极低压反应堆。一种测定低温自由基分子反应速率和平衡的新方法。甲基自由基的生成热。

Letter: Radical ion and protonated molecule formation with retinal in electrospray and nanospray

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