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Abstract:

Several commercial sulfated neocarrabiose oligosaccharides were analyzed by matrix-assisted ultraviolet laser-desorption ionization time-of-flight mass spectrometry (UV-MALDI-TOF-MS). UV-MALDI-TOF-MS was carried out in the linear and reflectron modes and, as routine, in both the positive- and negative-ion modes. 2,5-Dihydroxybenzoic acid and nor-harmane were used as matrices. In the positive- and negative-ion modes, with both matrices, peaks corresponding to (M+Na)+ and (M-Na)- ions, respectively, were obtained, with only some signals due to glycosidic linkage cleavages (prompt fragmentation). With 2,5-dihydroxybenzoic acid abundant matrix signals were observed; nor-harmane afforded very few matrix signals in both ion modes, but more desulfation (prompt fragmentation) of the compounds occurred. When the desorption/ionization process was highly efficient, the post-source decay (PSD) fragmentation patterns were also investigated; most of the fragments detected derived from glycosidic linkage cleavages. Electrospray-ionization time-of-flight mass spectrometry (ESI-TOF-MS) in the negative-ion mode confirmed, with the observation of the (M-Na)- and the multiply charged anions, the identity and the purity of the samples. © 2002 Elsevier Science Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Matrix-assisted ultraviolet laser-desorption ionization and electrospray-ionization time-of-flight mass spectrometry of sulfated neocarrabiose oligosaccharides
Autor:Fukuyama, Y.; Ciancia, M.; Nonami, H.; Cerezo, A.S.; Erra-Balsells, R.; Matulewicz, M.C.
Filiación:Plant Biophysics/Biochemistry Research Laboratory, College of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama 790-8566, Japan
Departamento De Química Orgánica, CIHIDECAR-CONICET, Pabellón 2-Ciudad Universitaria, 1428 Buenos Aires, Argentina
Departamento De Química Orgánica, Facultad De Ciencias Exactas Y Naturales, Pabellón 2-Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:ESI-TOF-MS; kappa-Carrageenan oligosaccharides; PSD UV-MALDI-TOF-MS; Sulfated neocarrabiose oligosaccharides; Sulfated oligosaccharides; UV-MALDI-TOF-MS; Carboxylic acids; Ionization; Mass spectrometry; Ultraviolet radiation; Fragmentation; Oligomers; gentisic acid; harman; neocarrabiose 4 sulfate; neocarradodecaose 4,4,4,4,4,4 hexasulfate; neocarrahexaose 2,4,4,4 tetrasulfate; neocarrahexaose 4,4,4 trisulfate; neocarraoctaose 4,4,4,4 tetrasulfate; neocarratetraose 4 sulfate; neocarratetraose 4,4 disulfate; oligosaccharide; unclassified drug; analytic method; article; carbohydrate analysis; chemical bond; desorption; ionization; matrix assisted laser desorption ionization time of flight mass spectrometry; priority journal; sulfation; Carbohydrate Sequence; Carrageenan; Molecular Sequence Data; Oligosaccharides; Spectrometry, Mass, Electrospray Ionization; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Sulfates; Ultraviolet Rays
Año:2002
Volumen:337
Número:17
Página de inicio:1553
Página de fin:1562
DOI: http://dx.doi.org/10.1016/S0008-6215(02)00230-6
Título revista:Carbohydrate Research
Título revista abreviado:Carbohydr. Res.
ISSN:00086215
CODEN:CRBRA
CAS:Carrageenan, 9000-07-1; neocarrabiose, 6215-96-9; Oligosaccharides; Sulfates
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00086215_v337_n17_p1553_Fukuyama

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Citas:

---------- APA ----------
Fukuyama, Y., Ciancia, M., Nonami, H., Cerezo, A.S., Erra-Balsells, R. & Matulewicz, M.C. (2002) . Matrix-assisted ultraviolet laser-desorption ionization and electrospray-ionization time-of-flight mass spectrometry of sulfated neocarrabiose oligosaccharides. Carbohydrate Research, 337(17), 1553-1562.
http://dx.doi.org/10.1016/S0008-6215(02)00230-6
---------- CHICAGO ----------
Fukuyama, Y., Ciancia, M., Nonami, H., Cerezo, A.S., Erra-Balsells, R., Matulewicz, M.C. "Matrix-assisted ultraviolet laser-desorption ionization and electrospray-ionization time-of-flight mass spectrometry of sulfated neocarrabiose oligosaccharides" . Carbohydrate Research 337, no. 17 (2002) : 1553-1562.
http://dx.doi.org/10.1016/S0008-6215(02)00230-6
---------- MLA ----------
Fukuyama, Y., Ciancia, M., Nonami, H., Cerezo, A.S., Erra-Balsells, R., Matulewicz, M.C. "Matrix-assisted ultraviolet laser-desorption ionization and electrospray-ionization time-of-flight mass spectrometry of sulfated neocarrabiose oligosaccharides" . Carbohydrate Research, vol. 337, no. 17, 2002, pp. 1553-1562.
http://dx.doi.org/10.1016/S0008-6215(02)00230-6
---------- VANCOUVER ----------
Fukuyama, Y., Ciancia, M., Nonami, H., Cerezo, A.S., Erra-Balsells, R., Matulewicz, M.C. Matrix-assisted ultraviolet laser-desorption ionization and electrospray-ionization time-of-flight mass spectrometry of sulfated neocarrabiose oligosaccharides. Carbohydr. Res. 2002;337(17):1553-1562.
http://dx.doi.org/10.1016/S0008-6215(02)00230-6