Quantification of Endogenous Steroids and Hormonal Contraceptives in Human Plasma via Surrogate Calibration and UHPLC-MS/MS
A UHPLC-MS/MS assay using surrogate calibration and DMIS derivatization quantifies endogenous steroids and contraceptives in plasma with pg/mL sensitivity and regulatory-aligned validation.
Mo, 11.8.2025
LabRulez
Article | Career
Global Careers in LC-MS: Explore Analytical Chemistry Jobs Around the World
Discover 39+ global job opportunities in LC-MS. Roles span R&D, applications, sales, and service across Europe, North America, Asia, and Australia.
Th, 7.8.2025
LabRulez
Article | Poster
News from LabRulezLCMS Library - Week 32, 2025
This week we bring you posters by Agilent Technologies / ASMS, Shimadzu / ASMS and Thermo Fisher Scientific / ASMS and application notes by Metrohm and Waters Corporation!
We, 6.8.2025
LabRulez
Article | Product
Essential LC/MS Spare Parts – Ion Sources, Vacuum Pumps & Electronics
Shop top spare parts for LC/MS: ESI and Jet Stream ion sources, quad drivers, SmartCard trays, and high-performance vacuum pumps from Agilent, Pfeiffer, and Edwards.
Controllable Ion-Repulsion Enables Rapid and Trace-Level Detection of Hydrophobic Sulfonylurea Herbicides with ICPMS/MS without the Organic Mode
A novel ion-repulsion strategy allows rapid ICPMS/MS detection of hydrophobic sulfonylureas with minimal organic solvent, achieving high sensitivity and bypassing the need for organic ICPMS mode.
Mo, 4.8.2025
LabRulez
Scientific article | Science and research
Quantitative Assessment of a Novel Device Designed for Patient-centric Sampling of Dried Plasma Using Targeted Proteomics
A new dried plasma microsampling device enables home sampling with high precision and stability, correlating strongly (R > 0.99) with conventional plasma in targeted proteomic analysis.
Mo, 4.8.2025
LabRulez
Article | Poster
News from LabRulezLCMS Library - Week 31, 2025
This week we bring you application notes by Agilent Technologies, Metrohm and Shimadzu and posters by Thermo Fisher Scientific / ASMS and Waters Corporation / ASMS!