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.
February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
4 citations
,
January 2006 in “International Journal of Cosmetic Science” The method shows how hair lipids form specific patterns and their roles in hair structure.
18 citations
,
April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.
3 citations
,
January 2011 The method measures finasteride accurately and cheaply using UV light.
2 citations
,
April 2007 in “Journal of Labelled Compounds and Radiopharmaceuticals” The conclusion is that tritium-labeled testosterone metabolites can be made and are better converted into dihydrotestosterone in skin cells than in prostate tissue.
1 citations
,
January 2013 in “African Journal of Pharmacy and Pharmacology” A new method makes extracting luteolin from Eclipta prostrata faster and easier.
January 2013 in “Zhongguo yaofang” The method effectively detects residual solvents in finasteride raw materials.
3 citations
,
July 2016 in “Tropical Journal of Pharmaceutical Research” Splitting non-scored tablets can lead to uneven drug distribution, posing risks.
1 citations
,
August 2010 in “Journal of dermatology” Photoepilation significantly reduces hair, and phototrichograms can objectively measure its effectiveness.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers made a detailed map of gene activity for different parts of human hair follicles to help create targeted hair disorder treatments.
7 citations
,
January 1990 in “Eisei kagaku” Chemical analysis of hair products on human hair can help identify specific brands and link suspects to victims.
February 1989 in “PubMed” A genetic hair protein variant is more common in Japanese people and is inherited.
March 2026 in “International Journal of Pharmaceutics and Drug Analysis” A reliable, cost-effective method was developed for accurately measuring finasteride in medicines.
2 citations
,
December 2024 in “Microscopy Research and Technique” A new laser-based microscope can clearly image biological structures without labels.
179 citations
,
May 1982 in “The Journal of clinical investigation/The journal of clinical investigation” High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
3 citations
,
September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
2 citations
,
January 2011 Researchers developed a quick and accurate method to measure finasteride and tamsulosin in tablets.
3 citations
,
October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
15 citations
,
January 2012 in “International journal of trichology” The HairCheck® device is effective for measuring hair loss and growth in people with alopecia.
29 citations
,
June 2017 in “Journal of Inherited Metabolic Disease” High-content screening is useful for finding new treatments for rare diseases and has led to FDA-approved drugs.
June 2015 in “The American journal of dermatopathology/American journal of dermatopathology” The study found that a one-step antibody method is better than the LSAB method for accurately studying hair follicle structures without false positives.
5 citations
,
January 2018 The conclusion is that a new test was created to find substances that affect specific ion channels, and it works well for drug discovery.
72 citations
,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
19 citations
,
July 1997 in “British Journal of Dermatology” LHTric-1 is a specific antibody useful for studying hair and nail formation.
1 citations
,
February 2025 in “International Journal For Multidisciplinary Research” A new accurate method was developed to measure Minoxidil and Aminexil in solutions.
September 2024 in “International Journal of Applied Pharmaceutics” A reliable method was developed to measure Finasteride and Tadalafil in rat blood.
February 2026 in “Molecules” A new method can quickly and accurately measure tobacco exposure and stress using a small hair sample.