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Showing 1 to 11 of 11 entries
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Capillary zone electrophoresis-tandem mass spectrometry using ultraviolet photodissociation (213 nm) for large-scale top-down proteomics.

Analytical methods : advancing methods and applications

McCool EN, Chen D, Li W, Liu Y, Sun L.
PMID: 31608127
Anal Methods. 2019 Jun 14;11(22):2855-2861. doi: 10.1039/C9AY00585D. Epub 2019 May 07.

Capillary zone electrophoresis-tandem mass spectrometry (CZE-MS/MS) has attracted attention recently for large-scale top-down proteomics that aims to characterize proteoforms in cells at a global scale and with high throughput. In this work, CZE-MS/MS with ultraviolet photodissociation (UVPD) was evaluated...

Recent advances (2019-2021) of capillary electrophoresis-mass spectrometry for multilevel proteomics.

Mass spectrometry reviews

Chen D, McCool EN, Yang Z, Shen X, Lubeckyj RA, Xu T, Wang Q, Sun L.
PMID: 34128246
Mass Spectrom Rev. 2021 Jun 15; doi: 10.1002/mas.21714. Epub 2021 Jun 15.

Multilevel proteomics aims to delineate proteins at the peptide (bottom-up proteomics), proteoform (top-down proteomics), and protein complex (native proteomics) levels. Capillary electrophoresis-mass spectrometry (CE-MS) can achieve highly efficient separation and highly sensitive detection of complex mixtures of peptides, proteoforms,...

Capillary zone electrophoresis-tandem mass spectrometry for top-down proteomics using attapulgite nanoparticles functionalized separation capillaries.

Talanta

Wang T, Chen D, Lubeckyj RA, Shen X, Yang Z, McCool EN, Qiao X, Sun L.
PMID: 31171165
Talanta. 2019 Sep 01;202:165-170. doi: 10.1016/j.talanta.2019.04.040. Epub 2019 Apr 21.

Attapulgite nanoparticles have good chemical properties and can be modified easily for broad applications. In this work, for the first time, attapulgite nanoparticles were employed to modify the inner wall of separation capillaries for capillary zone electrophoresis-tandem mass spectrometry...

Capillary zone electrophoresis-mass spectrometry for top-down proteomics.

Trends in analytical chemistry : TRAC

Shen X, Yang Z, McCool EN, Lubeckyj RA, Chen D, Sun L.
PMID: 31537953
Trends Analyt Chem. 2019 Nov;120. doi: 10.1016/j.trac.2019.115644. Epub 2019 Aug 28.

Mass spectrometry (MS)-based top-down proteomics characterizes complex proteomes at the intact proteoform level and provides an accurate picture of protein isoforms and protein post-translational modifications in the cell. The progress of top-down proteomics requires novel analytical tools with high...

Capillary Zone Electrophoresis-Electron-Capture Collision-Induced Dissociation on a Quadrupole Time-of-Flight Mass Spectrometer for Top-Down Characterization of Intact Proteins.

Journal of the American Society for Mass Spectrometry

Shen X, Xu T, Hakkila B, Hare M, Wang Q, Wang Q, Beckman JS, Sun L.
PMID: 33749270
J Am Soc Mass Spectrom. 2021 Jun 02;32(6):1361-1369. doi: 10.1021/jasms.0c00484. Epub 2021 Mar 22.

Mass spectrometry (MS)-based denaturing top-down proteomics (dTDP) requires high-capacity separation and extensive gas-phase fragmentation of proteoforms. Herein, we coupled capillary zone electrophoresis (CZE) to electron-capture collision-induced dissociation (ECciD) on an Agilent 6545 XT quadrupole time-of-flight (Q-TOF) mass spectrometer for...

Investigating native capillary zone electrophoresis-mass spectrometry on a high-end quadrupole-time-of-flight mass spectrometer for the characterization of monoclonal antibodies.

International journal of mass spectrometry

Shen X, Liang Z, Xu T, Yang Z, Wang Q, Chen D, Pham L, Du W, Sun L.
PMID: 33642939
Int J Mass Spectrom. 2021 Apr;462. doi: 10.1016/j.ijms.2021.116541. Epub 2021 Jan 30.

Native capillary zone electrophoresis-mass spectrometry (CZE-MS) has attracted attentions for the characterization of monoclonal antibodies (mAbs) due to the potential of CZE for highly efficient separations of mAbs under native conditions as well as its compatibility with native electrospray...

A Mini Review on Capillary Isoelectric Focusing-Mass Spectrometry for Top-Down Proteomics.

Frontiers in chemistry

Xu T, Sun L.
PMID: 33898392
Front Chem. 2021 Apr 09;9:651757. doi: 10.3389/fchem.2021.651757. eCollection 2021.

Mass spectrometry (MS)-based top-down proteomics (TDP) requires high-resolution separation of proteoforms before electrospray ionization (ESI)-MS and tandem mass spectrometry (MS/MS). Capillary isoelectric focusing (cIEF)-ESI-MS and MS/MS could be an ideal method for TDP because cIEF can enable separation of...

Proteoform Identification by Combining RNA-Seq and Top-Down Mass Spectrometry.

Journal of proteome research

Chen W, Liu X.
PMID: 33183009
J Proteome Res. 2021 Jan 01;20(1):261-269. doi: 10.1021/acs.jproteome.0c00369. Epub 2020 Nov 12.

In proteogenomic studies, genomic and transcriptomic variants are incorporated into customized protein databases for the identification of proteoforms, especially proteoforms with sample-specific variants. Most proteogenomic research has been focused on combining genomic or transcriptomic data with bottom-up mass spectrometry...

Proteoform Identification by Combining RNA-Seq and Top-Down Mass Spectrometry.

Journal of proteome research

Chen W, Liu X.
PMID: 33183009
J Proteome Res. 2021 Jan 01;20(1):261-269. doi: 10.1021/acs.jproteome.0c00369. Epub 2020 Nov 12.

In proteogenomic studies, genomic and transcriptomic variants are incorporated into customized protein databases for the identification of proteoforms, especially proteoforms with sample-specific variants. Most proteogenomic research has been focused on combining genomic or transcriptomic data with bottom-up mass spectrometry...

TopMSV: A Web-Based Tool for Top-Down Mass Spectrometry Data Visualization.

Journal of the American Society for Mass Spectrometry

Choi IK, Jiang T, Kankara SR, Wu S, Liu X.
PMID: 33780241
J Am Soc Mass Spectrom. 2021 Jun 02;32(6):1312-1318. doi: 10.1021/jasms.0c00460. Epub 2021 Mar 29.

Top-down mass spectrometry (MS) investigates intact proteoforms for proteoform identification, characterization, and quantification. Data visualization plays an essential role in top-down MS data analysis because proteoform identification and characterization often involve manual data inspection to determine the molecular masses...

Recent advances (2019-2021) of capillary electrophoresis-mass spectrometry for multilevel proteomics.

Mass spectrometry reviews

Chen D, McCool EN, Yang Z, Shen X, Lubeckyj RA, Xu T, Wang Q, Sun L.
PMID: 34128246
Mass Spectrom Rev. 2021 Jun 15; doi: 10.1002/mas.21714. Epub 2021 Jun 15.

Multilevel proteomics aims to delineate proteins at the peptide (bottom-up proteomics), proteoform (top-down proteomics), and protein complex (native proteomics) levels. Capillary electrophoresis-mass spectrometry (CE-MS) can achieve highly efficient separation and highly sensitive detection of complex mixtures of peptides, proteoforms,...

Showing 1 to 11 of 11 entries