Results 21 to 30 of about 576,501 (302)

Organelle Proteomics [PDF]

open access: yesCurrent Protocols in Protein Science, 2006
AbstractThis unit describes strategies for studying the proteomes of organelles, which is one example of targeted proteomics. It relies heavily on previously published units dealing with organelle preparation, protein solubilization, and proteomics techniques. A specific commentary for organelle proteomics is provided.
Lescuyer, Pierre   +3 more
openaire   +5 more sources

An integrated native mass spectrometry and top-down proteomics method that connects sequence to structure and function of macromolecular complexes. [PDF]

open access: yes, 2018
Mass spectrometry (MS) has become a crucial technique for the analysis of protein complexes. Native MS has traditionally examined protein subunit arrangements, while proteomics MS has focused on sequence identification.
Campuzano, Iain DG   +4 more
core   +1 more source

Membrane proteins and proteomics: Love is possible, but so difficult [PDF]

open access: yes, 2009
Despite decades of extensive research, the large-scale analysis of membrane proteins remains a difficult task. This is due to the fact that membrane proteins require a carefully balanced hydrophilic and lipophilic environment, which optimum varies with ...
Adessi   +103 more
core   +5 more sources

Sparse Proteomics Analysis - A compressed sensing-based approach for feature selection and classification of high-dimensional proteomics mass spectrometry data [PDF]

open access: yes, 2016
Background: High-throughput proteomics techniques, such as mass spectrometry (MS)-based approaches, produce very high-dimensional data-sets. In a clinical setting one is often interested in how mass spectra differ between patients of different classes ...
Conrad, Tim   +7 more
core   +5 more sources

Quantitative proteomics in resected renal cancer tissue for biomarker discovery and profiling [PDF]

open access: yes, 2014
<b>Background:</b>  Proteomics-based approaches for biomarker discovery are promising strategies used in cancer research. We present state-of-art label-free quantitative proteomics method to assess proteome of renal cell carcinoma (RCC ...
Atrih, A.   +8 more
core   +4 more sources

The Endogenous Metabolite Glycerophosphocholine Promotes Longevity and Fitness in Caenorhabditis elegans

open access: yesMetabolites, 2022
Metabolism and aging are closely connected. The choline derivative glycerophosphocholine (GPC), an important precursor of the neurotransmitter acetylcholine, plays important roles in brain and nervous system function.
Jia-Yu Liu   +11 more
doaj   +1 more source

Highly sensitive CE-ESI-MS analysis of N-glycans from complex biological samples

open access: yesNature Communications, 2019
In-depth characterization of complex glycomes is complicated by the immense structural diversity of glycans. Here, the authors present a mass spectrometry-based strategy for untargeted, sensitive glycan profiling and identify 167 N-glycan compositions in
Guinevere S. M. Lageveen-Kammeijer   +7 more
doaj   +1 more source

Definition of valid proteomic biomarkers: a bayesian solution [PDF]

open access: yes, 2009
Clinical proteomics is suffering from high hopes generated by reports on apparent biomarkers, most of which could not be later substantiated via validation.
C.C. Holmes   +10 more
core   +1 more source

Protein processing characterized by a gel-free proteomics approach [PDF]

open access: yes, 2008
We describe a method for the specific isolation of representative N-terminal peptides of proteins and their proteolytic fragments. Their isolation is based on a gel-free, peptidecentric proteomics approach using the principle of diagonal chromatography ...
A. Staes   +17 more
core   +1 more source

Stable isotopic labeling in proteomics [PDF]

open access: yes, 2008
Labeling of proteins and peptides with stable heavy isotopes (deuterium, carbon-13, nitrogen-15, and oxygen-18) is widely used in quantitative proteomics.
Beynon   +69 more
core   +2 more sources

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