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The quantification of proteoforms, i.e., all molecular forms in which proteins can be present, by top-down proteomics provides essential insights into biological processes at the molecular level. Isobaric labeling-based quantification strategies are suitable for multi-dimensional separation strategi...
ORGANISM(S): Escherichia coli Saccharomyces cerevisiae (Baker's yeast) 
2025-05-07 | PXD055510 | Pride
Mass spectrometry (MS)-based proteomics has great potential for overcoming the limitations of antibody-based immunoassays for antibody-independent, comprehensive, and quantitative proteomic analysis of single cells. Indeed, recent advances in nanoscale sample preparation have enabled effective proce...
ORGANISM(S): Homo Sapiens (human) 
Mass spectrometry (MS)-based proteomics has great potential for overcoming the limitations of antibody-based immunoassays for antibody-independent, comprehensive, and quantitative proteomic analysis of single cells. Indeed, recent advances in nanoscale sample preparation have enabled effective proce...
ORGANISM(S): Homo Sapiens (human) 
We established a workflow for highly sensitive multiplexed quantitative phosphoproteomics using a nano-scale solid-phase tandem mass tag (TMT) labeling reactor. Phosphopeptides were firstly enriched by titanium oxide chromatography and then labeled with isobaric TMT reagents in a StageTip packed wit...
ORGANISM(S): Homo Sapiens (human) 
Despite recent advances in MS-based proteomics, comprehensive phosphoproteomics analysis of small populations of cells remains a daunting task, due primarily to the general lack of sufficient MS signals from such limited amounts of samples. In light of the unique multiplexing feature of isobaric lab...
ORGANISM(S): Homo Sapiens (human) 
Quantitative metaproteomics is a relatively new research field by applying proteomics technique to study microbial proteins of microbiome, and holds the great potential to truly quantify the functional proteins actually expressed by microbes in the biological environment such as gastrointestinal tra...
ORGANISM(S): Mus musculus (Mouse) 
2018-12-17 | PXD011735 | Pride
Isobaric labeling is a powerful strategy for quantitative mass spectrometry-based proteomic investigations. A complication of such analyses has been the co-isolation of multiple analytes of similar mass-to-charge resulting in the distortion of relative protein abundance measurements across samples. ...
ORGANISM(S): Saccharomyces Cerevisiae (ncbitaxon:4932) 
2019-08-23 | MSV000084230 | MassIVE
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