research LC-MS/MS improves screening towards 21-hydroxylase deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
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research Determination of finasteride in human plasma by liquid chromatography–electrospray ionization tandem mass spectrometry with flow rate gradient
Researchers developed a quick and sensitive way to measure finasteride in blood using a small sample size.
research Quantification of biotin in plasma samples by column switching liquid chromatography – tandem mass spectrometry
The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
research Untargeted hair lipidomics: comprehensive evaluation of the hair-specific lipid signature and considerations for retrospective analysis
research Determination of some sex hormones in health supplements by liquid chromatography with tandem mass spectrometry
The method detected sex hormones in some health supplements, with one containing banned testosterone.
research Nanoflow UHPLC-MS3 for sensitive detection of cortisol in a single-strand 1-cm human hair segment
research Direct quantitative digital autoradiography of testosterone metabolites in the pilosebaceous unit: an environmentally advantageous trace radioactive technology
The method accurately measures testosterone metabolites with high sensitivity and low environmental impact.
research GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl–trimethylsilyl derivatisation
The method accurately measures certain steroids in human hair, showing different levels in males and females.
research Quantitative Determination of α-Tocopherol and α-Tocopheryl Acetate in Pharmaceutical and Supplementary Soft Capsules by High Performance Liquid Chromatography
The method accurately measures vitamin E compounds in capsules.
research Simultaneous determination of seven prohibited substances in cosmetic products by liquid chromatography–tandem mass spectrometry
The method effectively identifies and measures seven banned substances in cosmetics.
research Determination of 19 Steroid Hormones in Human Serum and Urine Using Liquid Chromatography-Tandem Mass Spectrometry
The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
research A quantitative ultra-performance liquid chromatography high-resolution mass spectrometry analysis of steroids from human scalp hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
research Metal doped keratin film standard for LA-ICP-MS determination of lead in hair samples
A new method accurately measures lead levels in hair to assess exposure.
research IONIC HAIR PROFILES OF STUDENTS FROM THE MIDDLE EAST AND MOSCOW REGION
Students from the Middle East and Moscow have different hair element levels due to their environments.
research Quantitative Analysis of Cashmere and Other Animal Hair Fibers in Textiles Using MALDI-TOF Mass Spectrometry
The new method reliably identifies and measures different animal hair fibers in textiles.
research Improved two‐dimensional electrophoretic mapping of Japanese human hair proteins; application to curved and straight Japanese human hairs; and protein identification by MALDI MS and MS/MS quadrupole time‐of‐flight mass spectrometry
The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
research In-Situ Imaging Mass Spectrometry Analysis of Melanin Granules in the Human Hair Shaft
research Structural characterization of cyclosporin A, C and microbial bio-transformed cyclosporin A analog AM6 using HPLC–ESI–ion trap-mass spectrometry
Researchers developed a method to identify and analyze cyclosporin compounds and their structures effectively.
research Hair Tissue Mineral Analysis and Metabolic Syndrome
research The art of process chemistry
research Biology and Detection of Pregnanes During Late Gestation in the Mare
LC-MS/MS is essential for accurately detecting pregnanes in pregnant mares.
research Proteomic tools for the investigation of human hair structural proteins and evidence of weakness sites on hair keratin coil segments
Hair proteins have weak spots in their α-helical segments.
research Clinical and analytical evaluation of LC-MS methods for plasma renin activity and aldosterone
The study developed methods to measure biomarkers in mice and found differences in hormone levels linked to gut microbiota diversity and stress response.
research The Price Waterhouse Guide to Financial Management: Tools for Improving Performance
A new method can quickly detect alcohol abuse by analyzing hair in under an hour.
research LC‐MS/MS‐based method for long‐term steroid profiling in human scalp hair
A new method accurately measures long-term steroid levels in human hair.
research DEVELOPING AND VALIDATING AN HPLC METHOD TO QUANTIFY SIMULTANEOUSLY DUTASTERIDE AND THEIR RELATED MOLECULES (DUTASTERIDE ACID, 2,5 BIS- (TRI FLUORO METHYL)-ANILINE AND DUTASTERIDE 17 α-EPIMER) IN CAPSULES
A reliable method was created to measure dutasteride and related molecules in capsules.
research Determination of 17 Characteristic Ingredients of Plant Extracts in Hair Growth Cosmetics by Ultra High Performance Liquid Chromatography
A new method accurately measures plant ingredients in hair growth products.
research Rapid and Sensitive LC–MS–MS Method for the Simultaneous Estimation of Alfuzosin and Dutasteride in Human Plasma
A fast and accurate method was developed to measure alfuzosin and dutasteride in human plasma.
research Fast and Noninvasive Hair Test for Preliminary Diagnosis of Mood Disorders
A hair test shows promise for early mood disorder diagnosis.
research Use of rotary echoes in 2 H
A new method accurately measures molecular movement without complex modeling.