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.
16 citations
,
August 2022 in “Drug Testing and Analysis” Transdermal exposure to certain steroids can be detected in urine for up to 14 days.
16 citations
,
March 2013 in “Clinica Chimica Acta” Cortisol and cortisone release from hair increases in steps over time during incubation.
14 citations
,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
13 citations
,
January 2020 in “Scientific Reports” The African spiny mouse heals skin without scarring due to different protein activity compared to the common house mouse, which heals with scarring.
13 citations
,
August 2018 in “Clinical Chemistry” Total testosterone levels can help diagnose androgen-producing tumors and hyperandrogenism in women.
13 citations
,
September 2013 in “Steroids” The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
12 citations
,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
11 citations
,
May 2024 in “Reproductive Biology and Endocrinology” Fetal ovaries produce different hormones than adult ovaries, and endocrine-disrupting chemicals may affect this process.
11 citations
,
September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
11 citations
,
November 2001 in “Journal of Chromatography B: Biomedical Sciences and Applications” Finasteride and analogues separated using LC-MS-MS technique.
10 citations
,
November 2018 in “Physiological Research” The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
7 citations
,
November 2022 in “Toxics” The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
7 citations
,
January 2019 in “Journal of Analytical Toxicology” Tramadol and THC-COOH can be detected in hair for several months after stopping use.
6 citations
,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
5 citations
,
March 2015 in “Women's Health” 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.
4 citations
,
August 2022 in “The Scientific World Journal” Merremia peltata leaf extract, particularly the bufotalinin compound, shows potential for treating hair loss.
3 citations
,
November 2022 in “Separations” The method accurately measures seven androgens in plasma and shows different hormone levels in females with acne and obesity.
3 citations
,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
3 citations
,
July 2019 in “Experimental Dermatology” Hair loss patients may have different polyamine levels in various scalp areas.
3 citations
,
July 2016 in “Tropical Journal of Pharmaceutical Research” Splitting non-scored tablets can lead to uneven drug distribution, posing risks.
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
,
January 2012 in “Hair therapy & transplantation” DDAIP-HCl significantly increases minoxidil absorption into the skin.
2 citations
,
October 2010 in “European Journal of Drug Metabolism and Pharmacokinetics” Researchers developed a quick and sensitive way to measure finasteride in blood using a small sample size.
1 citations
,
September 2025 in “Molecules” The conventional extraction method with 50% ethanol was the most effective for antioxidant activity.
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.
1 citations
,
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Body hair can be used to test for alcohol intake, especially in men.
1 citations
,
December 2011 in “Arzneimittelforschung” The method accurately measures cyproterone acetate in plasma, showing no significant difference between two formulations.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.