research Effect of scalp position on tensile properties of single hair fibers
Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
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research Age-associated thin hair displays molecular, structural and mechanical characteristic changes
Older thin hair is not just thinner but also has different shape, structure, and stiffness.
research Structural Transition of Trichocyte Keratin Intermediate Filaments During Development in the Hair Follicle
research Intermolecular disulfide cross-linked structural change induced by permanent wave treatment of human hair with thioglycolic acid.
Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
research In vivo formation steps of the hard α-keratin intermediate filament along a hair follicle: Evidence for structural polymorphism
Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
research A detailed mapping of the readily accessible disulphide bonds in the cortex of wool fibres
Researchers found that the most reachable bonds in wool fibers are near the ends of certain proteins, which help stabilize the fiber's structure.
research The in vitro Assembly of Hair Follicle Keratins: Comparison of Cortex and Companion Layer Keratins
Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
research Age, lifestyle and self‐perceptions of hair: Is there an association with hair diameter and tensile properties?
Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
research New aspects of the structure of human hair on the basis of optical microscopic observations of disassembled hair parts.
Human hair's strength comes from a honeycomb-like structure and macrofibrils.
research Isolation and characterization of genomic clones of human sequences presumably coding for hair cysteine-rich proteins
A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
research Effect of ethnicity and treatments on in situ tensile response and morphological changes of human hair characterized by atomic force microscopy
Different ethnicities and treatments affect human hair strength and structure.
research Locations of synthesis of hair structural proteins in human anagen follicles
Hair structural proteins are synthesized sequentially in specific cells, offering a new way to study hair proteins and defects.
research Cryo-Electron Microscopy of Trichocyte (Hard α-Keratin) Intermediate Filaments Reveals a Low-Density Core
Trichocyte filaments have a low-density core and may include proteins for hair structure.
research In Vitro Assembly and Structure of Trichocyte Keratin Intermediate Filaments
Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
research Mechanical anisotropy of hair affected by genetic diseases highlights structural information related to differential crosslinking in keratins
research The role of disulfide bond formation in the structural transition observed in the intermediate filaments of developing hair
Disulfide bonds are crucial for hair structure during keratinization.
research Monofilament threads in treatment of female hair loss
Monofilament Threads significantly improve hair growth in women with pattern hair loss and are safe.
research Unzipping the cuticle of the human hair shaft to obtain micron/nano keratin filaments
Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
research Three-dimensional modelling of interchain sequence similarities and differences in the coiled-coil segments of keratin intermediate filament heterodimers highlight features important in assembly
Keratin heterodimers are preferred for their specific and structural advantages.
research Validation and casework testing of the BioPlex-11 for STR typing of telogen hair roots
BioPlex-11 improves DNA profiling from telogen hair roots in forensic work.
research DSC-investigations of alpha-keratins and the specific effects of chemical treatments on human hair
Chemical treatments weaken hair's thermal stability and structure.
research A Unique Type I Keratin Intermediate Filament Gene Family is Abundantly Expressed in the Inner Root Sheaths of Sheep and Human Hair Follicles
research Pili annulati with fragility: Electron microscopic findings of a case
The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
research The Intermediate Filament Architecture as Determined by X-Ray Diffraction Modeling of Hard α-Keratin
Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
research <i>In vitro</i> Assembly Properties of Human Type I and II Hair Keratins
Different combinations of human hair keratins affect how hair fibers form.
research Protein chains in hair and epidermal keratin IF: Structural features and spatial arrangements
research Special Biochemical Features of the Hair Follicle
Hair follicles have unique proteins that vary by species and are influenced by nutrition.
research Chemical bonds and hair behaviour—A review
Disulfide bonds are crucial for hair's strength, especially when wet.
research Discussion: Themes in the Molecular Structure of Hair
Keratin proteins are crucial for hair structure and strength.
research Structural Stability of Wild Type and Mutated α-Keratin Fragments: Molecular Dynamics and Free Energy Calculations
The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.