99 citations,
July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
22 citations,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
5 citations,
September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
19 citations,
September 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
Treating hair with 1M sodium hydroxide increases its friction, making it better for small medical knots.