Peculiarities of human hair structural dynamics

The X-ray diffraction method with synchrotron radiation was used to study human hair in longitudinal and transverse orientation relative to the X-ray beam. We believe that the ring reflection at a spacing of 4.5 nm arises due to proteoglycanes of the extracellular matrix and reflecting the periodici...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2005-05, Vol.543 (1), p.153-157
Main Authors: Vazina, A.A., Bras, W., Dolbnya, I.P., Korneev, V.N., Lanina, N.F., Matyushin, A.M., Sergienko, P.M., Zabelin, A.V.
Format: Article
Language:English
Subjects:
Hair tissue
Keratin cytoskeleton
Proteoglycane extracellular matrix
X-ray diffraction
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Summary:The X-ray diffraction method with synchrotron radiation was used to study human hair in longitudinal and transverse orientation relative to the X-ray beam. We believe that the ring reflection at a spacing of 4.5 nm arises due to proteoglycanes of the extracellular matrix and reflecting the periodicity of the polysaccharide chain attached to the protein core. The structural dynamics of intermediate filaments and units of the extracellular matrix of hair tissues was studied under hair stretch. The 4.5 nm reflection was considered as a marker of the structural transformation of the extracellular matrix under exogenous influence.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2005.01.138