Yak hair stretches mainly due to macromolecules slipping past each other.
January 2014 in “Sen'i Gakkaishi” Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.
January 2026 in “Frontiers in Animal Science” Gentile di Puglia sheep have finer wool and more lanolin than Sarda sheep.
October 2025 in “Frontiers in Veterinary Science” Key proteins affecting cashmere fiber quality were identified for better breeding.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
Genes and metabolites affect cashmere fiber thickness, which can improve cashmere quality.
January 2019 in “Journal of the American Leather Chemists Association” Improved mink skin processing can weaken hair attachment.
January 2026 in “Eng—Advances in Engineering” Berry extracts improve fabric strength and flexibility, making it suitable for medical and cosmetic uses.
September 2023 in “Animals” Genes linked to wool fineness in sheep have been identified.
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.
May 2023 in “Journal of Scientific Research” January 2011 in “Leather Science and Engineering” Processing changes Sichuan rabbit skin structure by altering collagen fiber arrangement and porosity.
2 citations
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March 2023 in “European Polymer Journal” The new nanofiber improves wound healing by releasing growth factors, reducing inflammation, and helping skin regeneration.
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.
7 citations
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May 2022 in “PLOS ONE” Certain genes and pathways are linked to the production of finer and denser wool in Hetian sheep.
1 citations
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December 2022 in “Applied Sciences” 26 citations
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June 2010 in “Electrophoresis” New techniques helped identify rare wool proteins by reducing dominant ones.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
17 citations
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October 1997 in “Australian Journal of Agricultural Research” Stocking rate affects wool follicle inactivity, not Merino strain.
23 citations
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May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
17 citations
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July 2022 in “BMC Genomics” The FA2H gene improves cashmere fineness by enhancing hair growth in goats.
1 citations
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June 2025 in “Frontiers in Genetics” Key genes IRF2BP2 and EGFR are linked to Hetian sheep's double-coat fleece.
8 citations
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December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
Editing the FGF5 gene in sheep increases fine wool growth.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
November 2025 in “Agriculture” Machine learning can effectively identify genes to improve wool quality in sheep.
December 2021 in “Cosmetics” 49 citations
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June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
3 citations
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July 2019 in “Fibers And Polymers/Fibers and polymers”