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GlossaryHigh-Resolution Mass Spectrometry (HRMS)

advanced technique for precise molecular mass measurement

High-Resolution Mass Spectrometry (HRMS) is an advanced analytical technique used to precisely measure the mass of molecules. It provides highly accurate mass measurements, allowing scientists to identify and characterize complex chemical compounds, including those in biological samples like hair, with great specificity.

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research Simultaneous Determination of Multi-Class Active Pharmaceutical Ingredients by UHPLC-HRMS

2 citations , May 2021 in “Journal of pharmaceutical and biomedical analysis”

A new method was developed to accurately detect and measure 47 different drug ingredients in various products.

research Isolation and Structural Characterization of Degradation Products of Finasteride by Preparative HPLC, HRMS, and 2D NMR

May 2019 in “Asian Journal of Chemistry”

Finasteride forms three new products under acidic stress.

research Determination of Adulteration in Hair Serums by LC-HRMS

June 2023 in “Journal of chemical metrology”

A new method found unlisted drugs in two popular hair serums, posing a health risk.

research Untargeted Scanning of Hair for Drugs of Abuse by Direct Analysis in Real Time–High-Resolution Mass Spectrometry

34 citations , January 2016 in “Analytical Chemistry”

A new method can quickly and accurately detect drugs in hair.

research Metabolic Study of Androsta-1,4,6-Triene-3,17-Dione in Horses Using Liquid Chromatography/High Resolution Mass Spectrometry

17 citations , August 2015 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology”

The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.

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