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Glossary Bulk Modulus

measure of a material's resistance to uniform compression

The Bulk Modulus, also known as the Modulus of Bulk Elasticity, is a measure of a material's resistance to uniform compression. It quantifies how much a material will compress under a given amount of pressure. For example, a high Bulk Modulus indicates that the material is incompressible and very stiff, like steel, whereas a low Bulk Modulus means the material is more compressible, like rubber.

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research Insights on the mechanical behavior of keratin fibrils

13 citations , May 2016 in “International journal of biological macromolecules”

This study demonstrated that molecular dynamics simulations of keratin could effectively model the mechanical properties of hair, aligning well with experimental data, especially when conducted in vacuum conditions.

research Nanomechanical characterization of human hair using nanoindentation and SEM

117 citations , August 2005 in “Ultramicroscopy”

This study systematically characterized the nanomechanical properties of human hair, such as hardness and elastic modulus, across different ethnicities and treatment conditions using nanoindentation and scanning electron microscopy.

research JAK-centric explainable few-shot gene-expression diagnosis framework for alopecia via MultiPLIER priors and relation-style set-to-set comparison

January 2026 in “Frontiers in Molecular Biosciences”

This study identified a four-gene loop as a non-invasive biomarker that selectively activates in alopecia areata, providing a precise target for JAK inhibitor treatments.

research Single-Cell Transcriptomics to Map Cellular Heterogeneity in Tissue Regeneration Models

December 2025 in “Drug Discovery and Molecular Docking (DDMD)”

This review highlights how single-cell transcriptomics has advanced understanding of tissue regeneration by revealing cellular diversity and key molecular interactions in animal models, despite methodological challenges, suggesting future applications in developing targeted regenerative therapies.

research Grey hair: clinical investigation into changes in hair fibres with loss of pigmentation in a photoprotected population

17 citations , February 2011 in “International Journal of Cosmetic Science”

This study found that individual differences between pigmented and unpigmented hair fibers in Old Order Mennonites suggest grey hair may be perceived as drier and less manageable due to small mechanical and moisture changes.

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