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β-Carboline Alkaloids as Matrices for Matrix-assisted Ultraviolet Laser Desorption Time-of-flight Mass Spectrometry of Proteins and Sulfated Oligosaccharides: a Comparative Study Using Phenylcarbonyl Compounds, Carbazoles and Classical Matrices

✍ Scribed by Nonami, Hiroshi; Fukui, Shinsaku; Erra-Balsells, Rosa

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
353 KB
Volume
32
Category
Article
ISSN
1076-5174

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✦ Synopsis

Useful matrix Useful matrix for sulfated Matrix for proteins oligosaccharides Compound structures Phenylcarbonyl compounds : Benzoic acids (R ¼ OH) : 2-Hydroxybenzoic acid (salicylic acid) Yes No 2,6-Dihydroxybenzoic acid (2,6-DHOBA) Yes No 2-Aminobenzoic acid (anthranilic acid) Yes No Acetophenones (R ¼ CH 3 ): 2,4-Dihydroxyacetophenone (2,4-DHOA) Yes No 2,5-Dihydroxyacetophenone (2,5-DHOA) Yes No 2,6-Dihydroxyacetophenone (2,6-DHOA) Yes No 3,5-Dihydroxyacetophenone (3,5-DHOA) Yes No 2,4,6-Trihydroxyacetophenone (2,4,6-THOA) Yes No Benzophenones (R ¼ phenol residue) : 2-Hydroxybenzophenone No No 2,4-Dihydroxybenzophenone No No Pyridoindoles : b-Carbolines : 9H -PyridoÍ3,4-b Ëindole (nor -harmane) Yes Yes 1-Methyl-9H

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β-Carboline alkaloids as matrices for UV
β-Carboline alkaloids as matrices for UV-matrix-assisted laser desorption/ionization time-of-flight mass spectrometry in positive and negative ion modes. Analysis of proteins of high molecular mass, and of cyclic and acyclic oligosaccharides
✍ Hiroshi Nonami; Koichi Tanaka; Yuko Fukuyama; Rosa Erra-Balsells 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 462 KB 👁 1 views

We report that commercially available b-carbolines (nor-harmane (9H-pyrido[3,4-b]indole), harmane (1methyl-9H-pyrido[3,4-b]indole), harmine (7-methoxy-1-methyl-9H-pyrido[3,4-b]indole), harmol (1-methyl-9H-pyrido[3,4-b]indol-7-ol), harmaline (3,4-dihydro-7-methoxy-1-methyl-9H-pyrido[3,4-b]indole) and