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Showing 1 to 12 of 144 entries
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Rapid and sensitive profiling and quantification of the human cell line proteome by LC-MS/MS without prefractionation.

Proteomics

Yin X, Liu X, Zhang Y, Yan G, Wang F, Lu H, Shen H, Yang P.
PMID: 25044409
Proteomics. 2014 Sep;14(17):2008-16. doi: 10.1002/pmic.201300510. Epub 2014 Aug 13.

In this paper, we demonstrate a rapid and reproducible 1D LC-MS/MS workflow for fast quantitative proteomic research. We have optimized the LC-MS/MS conditions, including digestion and gradient conditions, sample loading amount, and MS parameter settings. As a result, we...

Curatr: a web application for creating, curating and sharing a mass spectral library.

Bioinformatics (Oxford, England)

Palmer A, Phapale P, Fay D, Alexandrov T.
PMID: 29253079
Bioinformatics. 2018 Apr 15;34(8):1436-1438. doi: 10.1093/bioinformatics/btx786.

SUMMARY: We have developed a web application curatr for the rapid generation of high quality mass spectral fragmentation libraries from liquid-chromatography mass spectrometry datasets. Curatr handles datasets from single or multiplexed standards and extracts chromatographic profiles and potential fragmentation...

pH-Gradient Liquid Chromatography: Fundamentals and Examples.

Journal of AOAC International

Kubik Ł, Wiczling P, Kaliszan R.
PMID: 28703096
J AOAC Int. 2017 Nov 01;100(6):1590-1598. doi: 10.5740/jaoacint.17-0205. Epub 2017 Jul 13.

In this paper, we acquaint the readers with the fundamentals of gradient separation, followed by the latest innovations in this field. We describe the principles of organic modifier- and pH-gradient elution emphasizing the differences and similarities with isocratic separation....

Post-acquisition data mining techniques for LC-MS/MS-acquired data in drug metabolite identification.

Bioanalysis

Dhurjad PS, Marothu VK, Rathod R.
PMID: 28816067
Bioanalysis. 2017 Aug;9(16):1265-1278. doi: 10.4155/bio-2017-0046. Epub 2017 Aug 17.

Metabolite identification is a crucial part of the drug discovery process. LC-MS/MS-based metabolite identification has gained widespread use, but the data acquired by the LC-MS/MS instrument is complex, and thus the interpretation of data becomes troublesome. Fortunately, advancements in...

Is SPE necessary for environmental analysis? A quantitative comparison of matrix effects from large-volume injection and solid-phase extraction based methods.

Environmental science & technology

Backe WJ, Field JA.
PMID: 22626028
Environ Sci Technol. 2012 Jun 19;46(12):6750-8. doi: 10.1021/es300235z. Epub 2012 Jun 06.

Environmental analysis by large-volume injection (LVI) was compared to solid-phase extraction (SPE) based methods using matrix effects as a quantitative indicator of analytical signal quality. LVI was performed by the direct injection of 900 μL of wastewater onto a...

Characterization of stationary phases by a linear solvation energy relationship utilizing supercritical fluid chromatography.

Journal of separation science

Mitchell CR, Benz NJ, Zhang S.
PMID: 20730839
J Sep Sci. 2010 Oct;33(19):3060-7. doi: 10.1002/jssc.201000371.

Supercritical fluid chromatography was utilized in combination with the Abraham model of linear solvation energy relationship to characterize 11 different HPLC stationary phases. System constants were determined at one supercritical fluid chromatography condition for each stationary phase. The results...

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification.

Journal of visualized experiments : JoVE

High AA, Tan H, Pagala VR, Niu M, Cho JH, Wang X, Bai B, Peng J.
PMID: 29286450
J Vis Exp. 2017 Nov 15;(129). doi: 10.3791/56474.

Many exceptional advances have been made in mass spectrometry (MS)-based proteomics, with particular technical progress in liquid chromatography (LC) coupled to tandem mass spectrometry (LC-MS/MS) and isobaric labeling multiplexing capacity. Here, we introduce a deep-proteomics profiling protocol that combines...

Machine Learning in Mass Spectrometric Analysis of DIA Data.

Proteomics

Xu LL, Young A, Zhou A, Röst HL.
PMID: 32061181
Proteomics. 2020 Nov;20(21):e1900352. doi: 10.1002/pmic.201900352. Epub 2020 Mar 04.

Liquid Chromatography coupled to Tandem Mass Spectrometry (LC-MS/MS) based methods are currently the top choice for high-throughput, quantitative measurements of the proteome. While traditional proteomics LC-MS/MS methods can suffer from issues such as low reproducibility and quantitative accuracy due...

Editorial.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Hage DS.
PMID: 31670110
J Chromatogr B Analyt Technol Biomed Life Sci. 2019 Nov 01;1130:121804. doi: 10.1016/j.jchromb.2019.121804. Epub 2019 Oct 04.

No abstract available.

Systematic evaluation of supported liquid extraction in reducing matrix effect and improving extraction efficiency in LC-MS/MS based bioanalysis for 10 model pharmaceutical compounds.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Jiang H, Cao H, Zhang Y, Fast DM.
PMID: 22410088
J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Apr 01;891:71-80. doi: 10.1016/j.jchromb.2012.02.031. Epub 2012 Feb 23.

In past a few years, there has been a large increase in the application of supported liquid extraction (SLE) for LC-MS/MS based bioanalysis due to its distinct practical advantage in reduced time cost, ease of operation and the feasibility...

Method selection for liquid chromatography.

Analytical methods : advancing methods and applications

Analytical Methods Committee Amctb No.
PMID: 34241604
Anal Methods. 2021 Jul 22;13(28):3205-3208. doi: 10.1039/d1ay90086b.

The accurate measurement of trace level substances in complex mixtures requires advanced instrumental techniques that generally use some form of separation prior to analysis, such as chromatography. There is an increasing trend for users that do not specialise in...

Ultrafast and Reproducible Proteomics from Small Amounts of Heart Tissue Enabled by Azo and timsTOF Pro.

Journal of proteome research

Aballo TJ, Roberts DS, Melby JA, Buck KM, Brown KA, Ge Y.
PMID: 34236868
J Proteome Res. 2021 Aug 06;20(8):4203-4211. doi: 10.1021/acs.jproteome.1c00446. Epub 2021 Jul 08.

Global bottom-up mass spectrometry (MS)-based proteomics is widely used for protein identification and quantification to achieve a comprehensive understanding of the composition, structure, and function of the proteome. However, traditional sample preparation methods are time-consuming, typically including overnight tryptic...

Showing 1 to 12 of 144 entries