January 1980 in “AFA Watchbird” Spectral-analysis can help diagnose mineral imbalances in birds.
12 citations
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October 1996 in “Dermatologic clinics” Advances in genetics may lead to targeted treatments for hair disorders.
10 citations
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December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
10 citations
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June 1956 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Air pollution has caused over $3 million in crop damage annually in Los Angeles since 1953.
4 citations
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December 2020 in “Tissue Barriers” Loricrin affects skin immune function and homeostasis.
1 citations
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March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
1 citations
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August 1992 in “Proceedings annual meeting Electron Microscopy Society of America” Mammoth hair from different ages shows distinct surface textures and elemental compositions.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
1 citations
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January 1996 Cysteine and arginine are essential for hair growth and thickness.
6 citations
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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.
75 citations
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August 2018 in “Plant physiology” Hydrogen sulfide disrupts protein function and root hair growth in plants by modifying proteins.
62 citations
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December 2007 in “Journal of biological chemistry/The Journal of biological chemistry” A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
1 citations
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January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
The transporter protein SH1446 in Staphylococcus hominis is key to underarm odor production.
The study identified a key protein involved in producing underarm odor and found ways to inhibit it.
75 citations
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March 2007 in “Journal of Biological Chemistry” QSOX enzymes help form protein bonds in cells, especially in tissues with high secretory activity.
15 citations
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October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
January 1995 in “Seoul National University Open Repository (Seoul National University)” SSO helps in skin protection and keratinization.
10 citations
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May 1974 in “American journal of diseases of children” The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.
32 citations
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December 1965 in “The Lancet” Argininosuccinic aciduria can cause hair loss.
45 citations
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January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
January 2016 in “Zurich Open Repository and Archive (University of Zurich)” Dietary L-serine supplementation can reduce symptoms of HSAN1 by lowering harmful 1-deoxySL levels.
15 citations
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August 1991 in “American Journal of Medical Genetics” A special diet can fix hair problems in argininosuccinase deficiency.
4 citations
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January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
22 citations
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November 2014 in “Proteins Structure Function and Bioinformatics” Cysteines in wool fibers are accessible and form important disulfide bonds.
40 citations
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April 1999 in “Journal of Histochemistry & Cytochemistry” S100A3 protein is mainly found in specific parts of human hair cells.
125 citations
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February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.