نتایج جستجو برای: maldi mass spectrometry

تعداد نتایج: 488232  

Journal: :Genetics and molecular research : GMR 2014
C B Dallagassa L F Huergo M I Stets F O Pedrosa E M Souza L M Cruz F E A Assis S Wolf W Volanski G Picheth C P Pigatto-Denardi S M S S Farah C M T Fadel-Picheth

The mass profiles of cell-free extracts of 180 commensal and pathogenic strains of Escherichia coli were determined by MALDI-TOF mass spectrometry (MS). While some peaks were highly conserved in all E. coli, several peaks occurred only in some strains, showing heterogeneity among them. We did not detect strain-specific peaks for any of the E. coli categories tested. However, review of the fully...

Journal: :Journal of the American Society for Mass Spectrometry 2006
Xu Zhang Mark Scalf Travis W Berggren Michael S Westphall Lloyd M Smith

Direct mass spectrometric analysis of complex biological samples is becoming an increasingly useful technique in the field of proteomics. Matrix-assisted laser desorption/ionization mass spectroscopy (MALDI-MS) is a rapid and sensitive analytical tool well suited for obtaining molecular weights of peptides and proteins from complex samples. Here, a fast and simple approach to cellular protein p...

Journal: :Mass spectrometry reviews 2008
Barbara J Garrison Zbigniew Postawa

Surface based mass spectrometric approaches fill an important niche in the mass analysis portfolio of tools. The particular niche depends on both the underlying physics and chemistry of molecule ejection as well as experimental characteristics. In this article, we use molecular dynamics computer simulations to elucidate the fundamental processes giving rise to ejection of organic molecules in a...

1999
G. Reid Asbury Khalid Al-Saad William F. Siems Richard M. Hannan

Since the introduction of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry the majority of research has focused on developing analytical methods for the qualitative determination of water soluble biomolecules such as proteins, peptides, carbohydrates, and oligonucleotides. This paper, however, reports the use of MALDI for the analysis of triacylglycerols and develops a new ...

Journal: :Clinical chemistry 2006
Pamela Kepper Richard Reinhardt Andreas Dahl Hans Lehrach Sascha Sauer

BACKGROUND Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry is a powerful tool in biomolecule analysis with a wide range of application possibilities, including genotyping of single-base variations (also known as single-nucleotide polymorphisms, or SNPs) for candidate gene studies and diagnostic typing of DNA markers. We tested a method that does not require stringent purif...

Journal: :علوم گیاهان زراعی ایران 0
مهسا بام نشین پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمدرضا نقوی پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمد جعفر آقایی مؤسسه تحقیقات نهال و بذر، بخش ژنتیک علیرضا طالعی پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمد اسماعیل حسنی دانشکده کشاورزی، غذا و منابع طبیعی، پارک تکنولوژی استرالیا، دانشگاه سیدنی

in this study, 120 aegilops crassa (mmdd genome) accessions from iran were evaluated for high molecular weight proteins. based on sds-page analysis, 17 bands were selected and mass spectrometry was used for protein identification. among 17 bands selected for maldi-tof-tof-ms analyzing, only 4 bands were identified as high molecular weight glutenin subunit similar to aegilops ventricosa and trit...

2004
Anna Shevchenko

Evaluation of the efficiency of in-gel digestion of proteins by peptide isotopic labeling and MALDI mass spectrometry. (2001) Archived polyarylamide gels as a resource for proteome characterization by mass spectrometry. Nanoelectrospray tandem mass spectrometry and sequence similarity searching for identification of proteins from organisms with unknown genomes. Methods Mol Biol 211, 221-234. A ...

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