4 citations
,
December 2021 in “Clinical and Experimental Reproductive Medicine” Higher estrone-to-estradiol ratios are linked to worse glucose metabolism and insulin resistance in women with PCOS.
323 citations
,
November 2017 in “Bioanalysis” Matrix effects in LC-MS can be managed but not completely avoided.
6 citations
,
April 1989 in “Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms” Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.
3 citations
,
October 2015 in “International Journal of Dermatology” Normal hair density and diameter ratios were established to help diagnose adult hair loss.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” The MPV/PC ratio can help assess disease activity in alopecia areata.
Digit ratio likely doesn't predict male hair loss.
Exercising women with irregular periods have lower thyroid hormone levels and less body fat.
January 2019 in “Florida International University Digital Commons (Florida International University)” TOF-SIMS improved chemical mapping in cells, confirming gunshot residue, tracking anti-tumor drugs, and identifying molecules in mosquitoes and wounds.
1 citations
,
January 2015 in “Trace Elements in Medicine (Moscow)” A 3.75-year-old girl showed that different body organs can grow at different rates.
3 citations
,
June 2016 in “Dermatology Reports” Finger length ratios don't predict baldness in men.
8 citations
,
July 1997 in “Archives of Gerontology and Geriatrics” 8 citations
,
September 1975 in “Journal of Animal Science” Moose hair can track past mineral levels, except zinc.
54 citations
,
July 1967 in “Science” Decomposed tritiated thymidine is less accurate for DNA tracing, and hair changes can indicate malnutrition.
7 citations
,
April 2022 in “Journal of pharmaceutical and biomedical analysis” The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
2 citations
,
October 2023 in “Philosophical Transactions of the Royal Society B Biological Sciences” Different PADI isoforms help cells develop diverse functions.
15 citations
,
July 2009 in “Biomedical Chromatography” A reliable method was developed to measure aristolochic acid-I in rat blood.
November 2025 in “BMC Endocrine Disorders” The TT/DHT ratio may help identify PCOS patients with severe metabolic issues.
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.
26 citations
,
April 1975 in “Journal of Wildlife Management” Moose hair mineral levels vary by season and location, indicating environmental impacts.
January 2007 in “Zhōnghuá yàoxué zázhì” The method effectively showed that the two exemestane preparations are bioequivalent.
March 2023 in “Human Pathology” Hair follicle counts and ratios are helpful in diagnosing hair loss types, but should be used with other specific features for accurate diagnosis.
1 citations
,
November 2024 in “World Journal of Biology Pharmacy and Health Sciences” Women with PCOS have different hormone levels compared to those without PCOS.
11 citations
,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
4 citations
,
May 2024 in “Steroids” The method accurately measures sex hormones in human plasma but can have small errors.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.
19 citations
,
February 2013 in “The American Journal of Dermatopathology” Nonscarring alopecia has higher hair density than scarring alopecia, and hair density can help diagnose the type of alopecia.
January 1997 in “Purdue e-Pubs (Purdue University)” Whole hair strands can reliably measure gamma ray exposure using ESR techniques, but samples should be analyzed quickly or stored in liquid nitrogen.
October 2025 in “Frontiers in Toxicology” A new method effectively predicts estrogen-related health effects for early screening.
30 citations
,
January 2019 in “Clinical Endocrinology” The study concluded that both anti-Mullerian hormone and LH/FSH ratio are higher in women with PCOS and combining these markers with BMI could improve diagnosis accuracy.