ArticleJournal of the American Society for Mass Spectrometry2009
MALDI-TOF-MS analysis of small molecules using modified mesoporous material SBA-15 as assisted matrix.
Article in Journal of the American Society for Mass Spectrometry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The trial behind it
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Who cites it
6 citing papers in PubMed.
- Matrix assisted laser desorption/ionization time-of-flight mass spectrometric determination of benzo[a]pyrene using a MIL-101(Fe) matrix.Mikrochimica acta · 2018Article
- Ammonium Ion Exchanged Zeolite for Laser Desorption/Ionization Mass Spectrometry of Phosphorylated Peptides.International journal of analytical chemistry · 2015Article
- Probing of metabolites in finely powdered plant material by direct laser desorption ionization mass spectrometry.Journal of the American Society for Mass Spectrometry · 2014Article
- Matrix-assisted laser desorption ionization-time of flight (maldi-tof) mass spectrometry for detection of antibiotic resistance mechanisms: from research to routine diagnosis.Clinical microbiology reviews · 2013Review
- Determination of Hexapeptide ALA-ASP-LEU-LYS-PRO-THR by MALDI MS.International journal of peptide research and therapeutics · 2013Article
- Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for 2009-2010.Mass spectrometry reviewsReview
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mesoporous silica, SBA-15 was successfully functionalized with quinoline moiety, and was applied as a matrix in the MALDI-TOF-MS analysis of small molecules. The modified SBA-15 material [SBA-15-8-(3-(triethoxysilyl)propoxy) quinoline, SBA-15-8QSi] was obtained by using calcined SBA-15 and 8-hydroxy quinoline. The structure of the functionalized mesoporous material was systemically characterized by TEM, the N(2) adsorption-desorption isotherm technique and FT-IR spectra. Compared with DHB and SBA-15, SBA-15-8QSi demonstrated several advantages in the analysis of small molecules with MALDI-TOF-MS, such as less background interference ions, high homogeneity, and better reproducibility. Based on these results, the various analytical parameters were optimized. The ideal operating conditions were (1) methanol used as the dissolving solvent; (2) sample first dropping method; (3) a ratio between the analyte and the matrix of 3.5:10. Under these optimization conditions, a low detection limit (8 pmol for L-Arginine-HCl) and high reproducibility (< or = 29%) were obtained. This technique was successfully applied to the analysis of various types of small molecules, such as saccharides, amino acids, metabolites, and natural honey.
Indexed as
Identifiers
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Registered trials
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