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.
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research LC-MS/MS improves screening towards 21-hydroxylase deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
research Profiling steroid and thyroid hormones with hair analysis in a cohort of women aged 25 to 45 years old
The method can measure multiple hormones in women's hair and may help identify hormone-related health issues.
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.
research Analysis of Methyltestosterone and Testosterone Propionate in Dried Blood Spots After Transdermal Application
The method effectively detects MeT and TP in dried blood spots after cream application.
research Unusual Presentation of Denys-Drash Syndrome in a Girl with Undisclosed Consumption of Biotin
A girl with Denys-Drash syndrome was misdiagnosed due to biotin affecting her hormone test results.
research [Proteomics-based screening of differentially expressed proteins in skin of Chinese merino fine sheep (JunKen type) of different gender].
Gender affects wool traits in sheep, with males and females showing differences in skin proteins related to wool growth.
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 Evaluation of the therapeutic effects of AGA drugs by measuring finasteride, dutasteride, and dihydrotestosterone in hair
Finasteride and dutasteride effectively reduce DHT in hair, which may help evaluate their treatment success for hair loss.
research 837 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 LC-MS/MS-based reference intervals for hair cortisol in healthy children
Hair cortisol levels change with age, starting high at birth, decreasing until age 6, then rising to adult levels by age 18.
research SUN-195 Falsely Elevated Testosterone Levels: Role of LC-MS/MS in Reducing Unnecessary Testing
Using LC-MS/MS for hormone measurement can prevent false high testosterone results and avoid unnecessary tests.
research Testosterone is poorly related to erectile dysfunction in young/middle aged human immunodeficiency virus-infected men
Testosterone levels are not linked to erectile dysfunction in young and middle-aged men with HIV.
research Comparative Studies on Polyamine Levels in Plasma and Urine of Androgenic Alopecia Patients Treated with Finasteride for a Period of Three Years
Finasteride treatment for three years changes certain polyamine levels in the blood but not in urine.
research Ex-vivo measurement of scalp follicular infundibulum delivery of zinc pyrithione and climbazole from an anti-dandruff shampoo
The method shows that zinc pyrithione and climbazole from anti-dandruff shampoo effectively reach the scalp.
research Simultaneous determination of 30 hormones illegally added to anti-ageing functional foods using UPLC-MS/MS coupled with SPE clean-up
New method effectively detects illegal hormones in anti-aging foods.
research Development and validation of rapid and simultaneous method for determination of 12 hair-growth compounds in adulterated products by UHPLC–MS/MS
Researchers created a reliable method to detect hair-growth substances in 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 Determination of Exemestane in Human Plasma by LC-MS-MS
The method effectively showed that the two exemestane preparations are bioequivalent.
research Correlation of cortisol in 1-cm hair segment with salivary cortisol in human: hair cortisol as an endogenous biomarker
Hair cortisol levels can reflect salivary cortisol levels in humans.
research Exploring the Impact of the Microbiome on Neuroactive Steroid Levels in Germ-Free Animals
Gut microbes significantly affect brain steroid levels.
research Study on Changes of 19 Steroids in Plasma From 9 Diagnosed Patients With P450 Oxidoreductase Deficiency
Certain hormone levels can help diagnose P450 oxidoreductase deficiency.
research A concise review- Development of an analytical method and validation of dutasteride
New methods for measuring dutasteride are effective and reliable.
research Evaluating the diagnostic accuracy of androgen measurement in polycystic ovary syndrome: a systematic review and diagnostic meta-analysis to inform evidence-based guidelines
Androgen measurement helps diagnose PCOS, but accuracy varies, needing standard methods.
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 Improved forensic hair evidence for drugs of abuse by mass spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
![Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method](/images/research/0026b639-99a8-455a-a986-c39aa65abfa9/small/2087.jpg)
research Synthesis of 5,6,6-[2H3]finasteride and quantitative determination of finasteride in human plasma at picogram level by an isotope-dilution mass spectrometric method
Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
research Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry
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.
research High-resolution mass spectrometric investigation of the phase I and II metabolites of finasteride in pig plasma, urine and bile
Finasteride metabolites found in pigs match human studies, making pigs a valid model for human drug research.