research Simultaneous LC-MS/MS Quantification of Glucocorticoids, Melatonin, and Its Metabolites in Hair
The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.
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research Liquid Chromatography-Mass Spectrometry for Simultaneous Determination of Spironolactone and Canrenone in Plasma Samples
A method was found to accurately measure spironolactone and canrenone in blood samples using liquid chromatography-mass spectrometry.
research Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research Analysis of Hair Steroid Hormone Concentrations at Different Parts of the Head by Liquid Chromatography-Tandem Mass Spectrometry
Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
research Unveiling the Potential of Sansevieria Trifasciata Prain Fraction for the Treatment of Androgenetic Alopecia by Inhibiting Androgen Receptors Based on LC-MS/MS Analysis and In-Silico Studies
Sansevieria trifasciata Prain shows promise for treating hair loss by inhibiting androgen receptors.
research New Biomarkers to Evaluate Hyperandrogenemic Women and Hypogonadal Men
The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
research Rapid Determination of Finasteride in Human Plasma by UPLC-MS/MS and Its Application to Clinical Pharmacokinetic Study
New method measures finasteride in blood quickly and accurately.
research Close Correlation Between Hyperandrogenism and Insulin Resistance in Women With Polycystic Ovary Syndrome Based on Liquid Chromatography With Tandem Mass Spectrometry Measurements
Women with PCOS who have high male hormone levels often also have insulin resistance.
research Androgens in Women: Critical Evaluation of Methods for Their Determination in Diagnosing Endocrine Disorders
The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
research A Comprehensive Approach in Diagnosing Polycystic Ovary Syndrome
The document concludes that diagnosing PCOS requires a thorough approach, considering various symptoms and risks, and calls for improved methods to identify PCOS types and prevent diabetes.
research A New Label-Free Screen for Steroid 5α-Reductase Inhibitors Using LC-MS
Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
research Liquid Chromatography-Mass Spectrometry-Based In Vitro Metabolic Profiling Reveals Altered Enzyme Expressions in Eicosanoid Metabolism
The method reliably profiles eicosanoids and shows epitestosterone reduces their levels, similar to common anti-inflammatory drugs.
research Determination of Vitamin B3 Vitamer (Nicotinamide) and Vitamin B6 Vitamers in Human Hair Using LC-MS/MS
The method can measure vitamin B3 levels in human hair accurately.
research Androgen Profile Through Life in Women With Polycystic Ovary Syndrome: A Nordic Multicenter Collaboration Study
Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.
research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research Matrix Effect in Quantitative LC/MS/MS Analyses of Biological Fluids: A Method for Determination of Finasteride in Human Plasma at Picogram Per Milliliter Concentrations
Method detects finasteride in plasma at very low concentrations.
research Cheating on Forensic Hair Testing? Detection of Potential Biomarkers for Cosmetically Altered Hair Samples Using Untargeted Hair Metabolomics
Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
research Characterization of Cutaneous Hormone Production Through Analysis of Skin Secretions
Skin produces different hormones depending on body part and sex, and a new method can measure them.
research Management of Endocrine Disease: Hyperandrogenic States in Women - Pitfalls in Laboratory Diagnosis
Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
research Sphingolipid Metabolites Profiling in Hair Growth
DHCer levels in hair could be a biomarker for alopecia progression.
research Premature Adrenarche: Early Maturation of Adrenal Glands in Children
Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.
research LC-MS/MS Improves Screening Towards 21-Hydroxylase Deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
research Sex Hormones and Hair Loss in Men From the General Population of Northeastern Germany
Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
research The Polycystic Ovary Syndrome: A Position Statement from the European Society of Endocrinology
The European Society of Endocrinology advises individualized long-term management for PCOS, focusing on lifestyle changes, accurate diagnosis, and treatments for associated health risks and symptoms.
research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Picogram Determination of Finasteride in Human Plasma and Semen by High-Performance Liquid Chromatography with Atmospheric-Pressure Chemical-Ionization Tandem Mass Spectrometry
Method detects finasteride in plasma and semen with high sensitivity and accuracy.
research The Novel Excipient, Dodecyl-2-N, N-Dimethylaminopropionate Hydrochloride (DDAIP-HCl) Improves the Flux of Minoxidil in Human Skin
DDAIP-HCl significantly increases minoxidil absorption into the skin.
research Analysis of Hormone Antagonists in Clinical and Municipal Wastewater by Isotopic Dilution Liquid Chromatography Tandem Mass Spectrometry
Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.
research Bio-Analytical Method Development and Validation of Finasteride, Tadalafil, and Its Application to Pharmacokinetic Studies in Rat Plasma by Using LC-MS/MS
A reliable method was developed to measure Finasteride and Tadalafil in rat blood.
research UPLC-MS/MS Method for the Simultaneous Quantification of Caffeine and Illicit Psychoactive Drugs in Hair Using a Single-Step High-Speed Grinding Extraction – Insights into a Cut-Off Value for Caffeine Abuse
The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.