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ProteomicsUltraviolet Photodissociation of ESI and MALDI generated protein ions on a Q-Exactive mass spectrometer
UVPD was implemented on an Orbitrap Q-Exactive plus equipped with a ESI/EP-MALDI. UVPD of MALDI generated ions was benchmarked against MALDI-ISD, MALDI-HCD and ESI-UVPD. MALDI UVPD outperformed MALDI HCD and ISD efficiently sequencing small proteins ions.
ORGANISM(S): Homo sapiens (Human) Equus caballus (Horse) 
2019-01-24 | PXD011526 | Pride
Ms/ms Uvpd Q-exactive Maldi 
ProteomicsThe Q Exactive HF, a Benchtop Mass Spectrometer with a Pre-filter, High Performance Quadrupole and an Ultra-High Field Orbitrap Analyzer
The quadrupole Orbitrap mass spectrometer (Q Exactive) has made a powerful proteomics instrument available in a benchtop format. It significantly boosted analyzable proteins per hour and has now evolved into a proteomics analysis workhorse for many laboratories. Here we describe the Q Exactive Plus ...
ORGANISM(S): Homo sapiens (Human) 
2014-11-10 | PXD001203 | Pride
Segmented quadrupole Q exactive hf Orbitrap ultra-high field Q exactive plus Quadrupole pre-filter Shotgun proteomics 
UnknownThe Q Exactive HF, a Benchtop mass spectrometer with a pre-filter, high-performance quadrupole and an ultra-high-field Orbitrap analyzer.
Not available
S-EPMC4256516 | biostudies-literature
MetabolomicsMulti-Omics Unveils Strain-Specific Neuroactive Metabolite Production Linked to Inflammation Modulation by Bacteroides and Their Vesicles

18 Bacteroidetes isoaltes were analyzed for their neuroactive potentail using un-targeted and targeted metabolomics. The bacteria were grown to stationary phase, the supernatant was separated and purified using 0.22 um filter. The metabolome from the supernatant was extracted using standard Metha...

2025-08-12 | MTBLS10526 | MetaboLights
MetabolomicsQijiao Shengbai capsule ameliorates ulcerative colitis in mice by modulating gut microbiota and protecting the intestinal barrier, associated with suppression of the TLR4/MyD88/NF-κB Pathway

Background: Qijiao Shengbai capsule (QJSB) is a classic traditional Chinese compound formulation composed of seven herbal ingredients, primarily used clinically to treat leukopenia. Individual herbs and their active components within QJSB demonstrate favorable efficacy against ulcerative colitis ...

2026-09-08 | MTBLS14943 | MetaboLights
ProteomicsAn increase in oxidative stress downstream of mTORC1 but not AKT causes a proliferative defect in cancer cells with acquired resistance to PI3K/mTOR inhibitors
Proteomics and phosphoproteomics analysis of MCF7 cells sensitive and resistant to the PI3K inhibitor GDC-0941. The analysis was done for parental and 3 resistant cell lines maintained in the presence or the absence of the drug. One of the resistant cell lines (G2) was also treated with vehicle or t...
ORGANISM(S): Homo sapiens (Human) 
2018-04-09 | PXD003594 | Pride
Human Phosphoproteomics Metabolism Ltq-orbitrap Tio2 Pi3k resistance Q-exactive plus 
MetabolomicsQijiao Shengbai capsule ameliorates ulcerative colitis in mice by modulating gut microbiota and protecting the intestinal barrier, associated with suppression of the TLR4/MyD88/NF-κB Pathway

Background: Qijiao Shengbai capsule (QJSB) is a classic traditional Chinese compound formulation composed of seven herbal ingredients, primarily used clinically to treat leukopenia. Individual herbs and their active components within QJSB demonstrate favorable efficacy against ulcerative colitis ...

2026-09-08 | MTBLS14941 | MetaboLights
ProteomicsIdentifying protein acetylation
Five proteins, YdeH, Era, YegE, YeaJ and YihK were mixed and performed the Q Exactive MS analysis to identify the protien acetylation sites.
ORGANISM(S): Escherichia coli 
2019-06-17 | PXD007651 | Pride
Acetylation Q exactive 
MetabolomicsIdentifying glycolysis in mitochondria as a new perspective on the pathogenesis of retinitis pigmentosa
Identifying glycolysis in mitochondria as a new perspective on the pathogenesis of retinitis pigmentosa.
2026-03-29 | MTBLS14179 | MetaboLights
ProteomicsPhotosystem II assembly No-reaction center (NRC) complex
LC-MS/MS identification of small subunit peptides of Photosystem II assembly intermediate (NRC) with/without trypsin digestion. Peptide sequence identification with HCD fragmentation using Q-Exactive plus mass spectrometer (Thermo-Fisher)
ORGANISM(S): Synechocystis sp. PCC 6803 
2019-10-14 | PXD013406 | Pride
Membrane protein complex Photosystem ii Assembly 
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