January 1980 in “中国科学A辑(英文版)” The protein structures in the hair and tendon were preserved, but their molecular arrangements changed.
23 citations
,
October 2007 in “International journal of cancer” X-ray diffraction of hair might help detect breast cancer non-invasively.
66 citations
,
June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
12 citations
,
January 2009 in “Breast Cancer Basic and Clinical Research” Combining hair x-ray diffraction with mammography improves breast cancer detection.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
21 citations
,
July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
42 citations
,
January 2005 in “Applied spectroscopy” Hair from breast cancer patients shows changes in structure and composition, and a test using these changes detected cancer but also falsely identified some healthy samples as cancerous.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
6 citations
,
January 2012 in “Breast cancer” Breast cancer may be detectable through changes in scalp hair lipids.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
2 citations
,
January 2006 in “Durham e-Theses (Durham University)” Androsterone and finasteride have different solid forms, with new findings correcting previous errors and identifying a new form.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
24 citations
,
June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
8 citations
,
April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
31 citations
,
February 2007 in “Journal of Structural Biology” Oxidation changes the structure of hair protein filaments, causing them to compact and rearrange.
15 citations
,
January 2018 in “Advances in experimental medicine and biology” Keratin proteins are crucial for hair growth and structure.
28 citations
,
July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
6 citations
,
March 2016 in “PLoS ONE” The patient's hair was thinner and had fewer lipids due to a genetic mutation.
10 citations
,
January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
31 citations
,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
107 citations
,
October 2014 in “PeerJ” Hair's molecular structure is mostly consistent, but genetic differences affect lipid types, which could help diagnose diseases.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
28 citations
,
January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
7 citations
,
January 2011 in “Biochemistry Research International” Hard α-keratin has a universal molecular structure with a specific superlattice arrangement.
L-PGDS has specific binding sites for its functions and could help in drug delivery system design.
8 citations
,
January 2011 in “Organic and Biomolecular Chemistry” Minoxidil reacts to nitrosation 7 times more than phenol, mainly due to its -NH₂ groups, leading to the creation of N-nitrosominoxidil.