31 citations
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December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” This study identified two types of calcium in human scalp hair, with one type highly variable between individuals, potentially impacting the analysis of environmental and medical factors related to hair calcium.
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.
6 citations
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September 2018 in “ACS applied bio materials” This study provides conclusive evidence of exogenous calcium fatty acid deposits forming between the cuticle layers in hair, affecting its optical and mechanical properties.
24 citations
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November 2015 in “Scientific reports” This study discovered a new region in the hair cortex where intermediate filaments are both aligned with the hair's axis and orientationally ordered, influenced by the cuticle boundary.
6 citations
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May 2020 in “Molecules/Molecules online/Molecules annual” This study found that while yak belly hair is chemically similar to human hair, its higher porosity and lower mechanical strength limit its usefulness as a substitute in hair dye development.