Quality control in GC–MS analysis of amino acids in human urine and plasma: Possible implications for targeted and untargeted metabolomics
This study assesses a QC-based GC–MS method for amino acid analysis in urine and shows that targeted metabolomics with isotope-labeled standards is essential for reliable quantification.
News from LabRulezICPMS Library - Week 25, 2025
This week we bring you application notes by Agilent Technologies, Metrohm, Shimadzu and Thermo Fisher Scientific and brochure by Anton Paar!
News from LabRulezLCMS Library - Week 25, 2025
This week we bring you brochure by Agilent Technologies and application notes by Shimadzu, Thermo Fisher Scientific and Waters Corporation!
News from LabRulezGCMS Library - Week 25, 2025
This week we bring you application notes by Shimadzu and Thermo Fisher Scientific, poster by Agilent Technologies and presentation by University of Alberta / MDCW!
Webinars LabRulezICPMS Week 25/2025
4 webinars: Batteries & Handheld XRF & Micro-XRF & SEM-EDS, Food & FDA Method & ICP-OES, Process NIR, Pharmaceutical analysis with NIR spectroscopy.
Webinars LabRulezGCMS Week 25/2025
7 webinars: Agilent 8850, Chromeleon & GCMS, Metabolomics & LECO Pegasus BTX, Process NIR, Pharma & NIR, PFAS Identification, Empower SW.
Webinars LabRulezLCMS Week 25/2025
9 webinars: Troubleshooting MS, Nitrosamines, SLE, Veterinary Drug Residues, LNP & MALS, IC & Detectors, PFAS, Empower SW, Mixed-Mode HPLC.
Vibrational spectroscopy as a tool for the investigation of polymer bases in motion picture films: A comparison between mid-infrared, near-infrared and Raman techniques
This study assesses vibrational spectroscopy methods (FTIR, Raman, NIR) for identifying polymer bases in motion picture films and estimating cellulose acetate substitution linked to age and degradation.
Folin-Ciocâlteu, RP-HPLC (reverse phase-high performance liquid chromatography), and LC-MS (liquid chromatography-mass spectrometry) provide complementary information for describing cider (Malus spp.) apple juice
The study analyzes polyphenol profiles in 14 apple genotypes using Folin, RP-HPLC, and LC-MS to identify apples with potential for cider production, breeding, and health-related applications.
Quality analysis of walnut oil extracted by cold press and solvent methods for in vitro phytochemicals, antioxidant activity and GCMS analysis
The study compares cold press and solvent extraction methods for walnut oil, focusing on yield, viscosity, bioactive compounds, and potential applications in food, cosmetics, and healthcare.
