3 citations
,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
157 citations
,
June 2015 in “Psychoneuroendocrinology” Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
31 citations
,
January 2018 in “Pediatric annals” Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.
30 citations
,
March 2012 in “Journal of Analytical Toxicology” THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
20 citations
,
August 2017 in “Drug testing and analysis” Drugs localize differently in hair strands based on their properties.
15 citations
,
October 2010 in “Archives of Toxicology” A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
9 citations
,
January 2017 in “Ginekologia Polska” A higher testosterone to dihydrotestosterone ratio may indicate worse metabolic health in women.
7 citations
,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
7 citations
,
January 2019 in “Journal of Analytical Toxicology” Tramadol and THC-COOH can be detected in hair for several months after stopping use.
7 citations
,
December 2014 in “Gynecological Endocrinology” LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
6 citations
,
February 2022 in “European journal of endocrinology” The method can measure multiple hormones in women's hair and may help identify hormone-related health issues.
5 citations
,
April 2022 in “Journal of Chromatography B” The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.
2 citations
,
June 2025 in “Drug Testing and Analysis” The method effectively detects MeT and TP in dried blood spots after cream application.
2 citations
,
October 2011 in “분석과학” A reliable method was developed to measure finasteride levels in human serum.
1 citations
,
November 2023 in “Endocrine Connections” DHEA is the main sex steroid in cerebrospinal fluid, and testosterone in the fluid comes from the blood.
1 citations
,
October 2022 in “PubMed” Gender affects wool traits in sheep, with males and females showing differences in skin proteins related to wool growth.
1 citations
,
January 2017 in “UKnowledge (University of Kentucky)” LC-MS/MS is essential for accurately detecting pregnanes in pregnant mares.
June 2023 in “Clinica Chimica Acta” Finasteride and dutasteride effectively reduce DHT in hair, which may help evaluate their treatment success for hair loss.
July 2022 in “Journal of Investigative Dermatology” Skin produces different hormones depending on body part and sex, and a new method can measure them.
February 2020 in “VSNU Open Access deal” Hair cortisol levels change with age, starting high at birth, decreasing until age 6, then rising to adult levels by age 18.
April 2018 in “Journal of Investigative Dermatology” Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.
January 2018 in “한국피부장벽학회지” DHCer levels in hair could be a biomarker for alopecia progression.
May 2017 in “Endocrine Abstracts” Testosterone levels are not linked to erectile dysfunction in young and middle-aged men with HIV.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” QMSI is a valuable method for studying drug penetration in skin tissues.
January 2020 in “International Journal of Applied Biology and P” Finasteride treatment for three years changes certain polyamine levels in the blood but not in urine.
12 citations
,
May 2017 in “Journal of pharmaceutical and biomedical analysis” The method shows that zinc pyrithione and climbazole from anti-dandruff shampoo effectively reach the scalp.
6 citations
,
September 2014 in “Food Additives & Contaminants: Part A” New method effectively detects illegal hormones in anti-aging foods.
25 citations
,
October 2008 in “Chromatographia” A fast and accurate method was developed to measure alfuzosin and dutasteride in human plasma.
80 citations
,
January 2011 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Hair cortisol levels can reflect salivary cortisol levels in humans.
33 citations
,
October 2005 in “Journal of Investigative Dermatology” A specific gene mutation causes sparse, brittle hair in a family.