92 citations
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April 2021 in “Pharmaceutics” Characterizing lipid nanoparticles is challenging due to issues with sensitivity, reproducibility, and reliability.
31 citations
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July 2023 in “Nutrients” Vitamin D may help reduce thyroid antibodies and improve thyroid function in Hashimoto's Thyroiditis.
12 citations
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September 2022 in “Foods” Some nutraceuticals may help in COVID-19 prevention and treatment, but more research is needed.
January 2023 in “Theranostics” A patch with curcumin-zinc can improve hair growth and health by delivering beneficial particles to the skin, increasing hair follicles, and reversing effects of a hair loss hormone.
40 citations
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September 2004 in “Biomacromolecules” The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.
December 2025 in “International Journal of Molecular Sciences” Bacopa procumbens extract may help protect the brain in Parkinson's disease.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
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.
16 citations
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January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
4 citations
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January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
1 citations
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January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
6 citations
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February 2021 in “Proteins” Researchers found that the most reachable bonds in wool fibers are near the ends of certain proteins, which help stabilize the fiber's structure.
1 citations
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January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
70 citations
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
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.
38 citations
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January 2014 in “Journal of Dermatological Science” Krtap11-1 is important for hair strength and structure.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
13 citations
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September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
11 citations
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April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
8 citations
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May 2017 in “IUBMB life” Astrotactin proteins are important for brain and skin development and are linked to several neurodevelopmental disorders.
6 citations
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April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
3 citations
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January 2019 in “International Journal of Trichology” The balance of thiol-disulfide in women with hair loss is affected but not damaged.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
52 citations
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May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
51 citations
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September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
1 citations
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March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
3 citations
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January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
30 citations
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September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
42 citations
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January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.