24 citations
,
August 2011 in “Experimental Dermatology” The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.
1 citations
,
May 2024 in “PLoS ONE” Horse hair follicles can be stored at cool or room temperature for a week without losing RNA quality.
7 citations
,
February 2018 in “International Journal of Pharmaceutics” Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.
March 2014 in “Journal of The American Academy of Dermatology” Reflectance confocal microscopy can noninvasively diagnose onychomatricoma by showing unique features different from healthy nails or nail fungus.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Old people's nails often have problems due to body changes, more diseases, and self-care difficulties, affecting their movement and hand use.
2 citations
,
February 2024 in “STAR Protocols” The document provides a method to prepare human scalp tissue for studying hair follicles at the single-cell level.
34 citations
,
January 2016 in “Analytical Chemistry” A new method can quickly and accurately detect drugs in hair.
1 citations
,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
April 2023 in “Cancer Research” Plucked hair can effectively monitor drug effects in cancer treatment.
8 citations
,
January 2013 in “The scientific world journal/TheScientificWorldjournal” Human hair follicles may provide a noninvasive way to diagnose diseases and have potential in regenerative medicine.
Patients with graft-versus-host disease often have nail changes related to the nail matrix, with severity not linked to skin condition.
April 1992 in “Pediatrics in Review” Quick, simple tests help diagnose children's skin fungal infections.
1 citations
,
January 2013 in “Springer eBooks” The document concludes that skin and nail changes can indicate various underlying health conditions.
19 citations
,
March 1975 in “British Journal of Dermatology” A new method accurately measures cyclic AMP levels in small skin and hair samples.
6 citations
,
May 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
January 2021 in “American Journal of Applied Sciences” Cut hair can help link suspects to crime scenes.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
1 citations
,
October 2019 in “International journal of contemporary pediatrics” A 12-year-old boy with twenty nail dystrophy, a condition affecting all nails, was treated conservatively due to its self-limiting nature and good prognosis.
January 2013 in “China Animal Husbandry & Veterinary Medicine” The best method to isolate and culture hair follicle stem cells in fine-wool sheep is a combination of two-step enzymatic digestion and mechanical separation.
Current microbial test methods for hair cosmetics need revision due to strong bacteriostasis.
78 citations
,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
December 1991 in “Employment relations today” Hair follicle testing is more reliable and effective for drug screening than urinalysis.
20 citations
,
February 1968 in “Journal of Histochemistry & Cytochemistry” A new test more accurately detects citrulline in hair follicles and pilomatrixomas.
36 citations
,
February 1998 in “Journal of Anatomy” Fibre optic confocal imaging can visualize skin layers, blood vessels, and nerves in live mice.
54 citations
,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
May 2023 in “Stem cell research & therapy” New method efficiently isolates hair growth cells from newborn mouse skin.
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.
1 citations
,
November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Male and female human hairs have different microscopic structures that can help in forensic analysis.
1 citations
,
July 2023 in “Forensic science international. Genetics” Hair protein analysis might help identify a person's ethnicity, sex, and age in forensics.
24 citations
,
December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.