317 citations
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August 1997 in “The Plant Journal” This study observed that while calcium influx does not initiate root hairs in Arabidopsis thaliana, it may be crucial for sustaining their elongation through elevated calcium levels at the root hair tip.
1 citations
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January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
June 2010 in “Journal of Veterinary Clinics” This study established an experimental model to visualize calcium ion distribution after skin barrier damage in canine epidermis, observing that calcium gradients changed differently depending on the type of damage and time elapsed.
7 citations
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March 2003 in “Journal de Physique IV (Proceedings)” This study identified two types of calcium in human scalp hair shafts: easily removable calcium, likely as calcium soaps, and more stably bound calcium, possibly related to Ca-binding proteins.
25 citations
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May 2006 in “Annals of Botany” This study suggests that a tip-focused gradient of intracellular G-actin concentration at the apex is crucial for root hair growth, and maintaining this gradient requires high calcium levels at the root hair tips.