Antioxidant Peptides Change Chemically While Fighting Oxidation, Review Finds
A new review finds that food-derived antioxidant peptides are chemically transformed by the oxidizing environments they counter, forming products whose ...
Tag: mass spectrometry
Calprotectin emerges as top plasma biomarker separating acute joint implant infection from aseptic failure
A Danish proteomics study found the calprotectin subunits S100A8 and S100A9 to be the most significantly elevated plasma proteins in ...
Aging Fiber Control System of HVE-400 Ion Implanter Gets Digital Upgrade
Researchers replaced the aging fiber-optic control and monitoring system of an HVE-400 ion implanter with a centralized, computer-based digital design ...
Differential phosphorylation of PHIP phosphopeptides with implications in insulin signaling
A large-scale integration of human phosphoproteomics datasets identifies seven predominant phosphorylation sites on PHIP and links their co-regulation to insulin ...
MOF and COF Materials Show Promise for Detecting Bisphenols in Food
A new review summarizes how metal–organic frameworks and covalent organic frameworks are used to extract and detect bisphenols in food ...
Blood vesicle proteins flag advanced scarring in fatty liver disease
An 11-protein signature from circulating extracellular vesicles, validated in an independent cohort, was associated with advanced fibrosis in MASH and ...
Vitamin D Binding Protein Variants Don’t Change Supplement Response in Older Adults
A randomized trial in older adults found that vitamin D binding protein GC2 carriers had lower baseline total 25-hydroxyvitamin D3 ...
Soybeans Are Rich in B Vitamins, but Processing Strips Most of Them Away
A new mass spectrometry study finds that soybeans and fresh soymilk are rich in vitamins B1 and B6, but soy ...
Chromatography Method Detects Ten Pesticide Residues in Capsicum Samples
A QuEChERS and GC-MS/MS method detected ten organophosphate pesticides in 216 capsicum samples from Haidong City, China, with only methidathion ...
Microdroplets make hydrogen peroxide, but where it forms is still unresolved
A new Analysis argues that spontaneous hydrogen peroxide formation in aqueous microdroplets is real, but no study has yet definitively ...
Nanoscale map charts the spatial organization of the human cell surface
Proximity labeling of 85 antigens on human immune cells has produced a nanoscale map of the surface proteome, revealing functional ...
Tiny Peptide Model Shows How Cobalt and Cysteine Oxidize Together in Nitrile Hydratase Maturation
A synthetic eight-residue peptide modeled on the cobalt nitrile hydratase metal-binding motif binds Co(II) in two distinct coordination states and ...
Scientists Map the Analytical Toolbox for Quality-Checking mRNA Drugs
A new review surveys the analytical techniques used to characterize mRNA drug substance quality attributes and assesses which could be ...
Used drug-checking test strips yield residual drug data via LC-MS/MS
A new study shows that drug residues on used drug-checking test strips and syringe plungers can be extracted and quantified ...
Biosimilar SB16 Matches Denosumab in Exhaustive Analytical Comparison
A comprehensive analytical characterization shows the newly approved denosumab biosimilar SB16 is highly similar to Prolia and Xgeva across structure, ...
Mass spectrometry assay tracks myeloma M-protein in blood without sequencing
A new mass spectrometry assay identifies patient-specific M-protein peptides in plasma without sequencing, showing generally concordant longitudinal trends with conventional ...
Portable mass spectrometry spots drug traces on pub surfaces in under two minutes
A portable mass spectrometry technique developed at the University of Surrey identified cocaine and ketamine on pub surfaces in under ...
Two-Dimensional Gas Chromatography Reveals Hidden Chemistry in Mondia whitei Root Essential Oil
Comprehensive two-dimensional gas chromatography-mass spectrometry tentatively identified fifty-one compounds in Mondia whitei root essential oil, far more than conventional one-dimensional ...
Protein Maps Chart Antibodies Across Mouse Brain Tissue
A mouse-brain study generated maps of monoclonal antibodies and more than 6,000 proteins across tissue sections, demonstrating a preclinical method ...
New Ang II reference benchmark supports comparable laboratory testing
Researchers characterized a candidate angiotensin II reference material with a purity value of 0.8734 g/g and 1.8% relative expanded uncertainty, ...
