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210-240 / 1000+ resultsresearch Ethnic differences in hair
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 Hair Restoration Surgery
Hair restoration surgery has greatly improved since ancient times.
research Frequency of an electrophoretic variant of hair alpha keratin in human populations.
The hair keratin variant is mostly found in Caucasians.
research Human hair form. Morphology revealed by light and scanning electron microscopy and computer aided three-dimensional reconstruction.
Hair follicle shape determines hair type: curly, straight, or in-between.
research Sources of variation in hair cortisol in wild and captive non-human primates
Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
research A genome-wide association scan in admixed Latin Americans identifies loci influencing facial and scalp hair features
Genetic factors influence hair traits like shape, color, and greying in Latin Americans.
research Probing calcium and sulfur distribution and pattern in hairs using micro-proton induced X-ray emission （MPIXE）
Women's hair has more sulfur, and black hair has more calcium than white hair.
research Hair Testing in Forensic Toxicology: Recent Insights From Root to Tip
Hair testing is a useful method for detecting past substance use and recent advancements improve its accuracy and reliability.
research Review of Different DNA Extraction Methods in Hair Shafts
Effective DNA extraction from hair shafts is crucial for genetic studies.
research YOU ARE NOT WHAT YOU EAT DURING STRESS: AN ISOTOPIC EVALUATION OF HUMAN HAIR FROM BELLEVILLE, ONTARIO
Changes in δ¹⁵N values in hair can indicate stress or health issues.
research Hair structure anatomy and comparative anatomy1 1Dedicated to the memory of the late Dr. R. E. Rivett whose untimely death prevented his role in co-authorship.
Human hair is complex and grows in cycles starting from embryonic life.
research Evidence of increased DNA methylation of the androgen receptor gene in occipital hair follicles from men with androgenetic alopecia
Men with hair loss have more DNA changes in back-of-head hair follicles, possibly protecting them from thinning.
research Nanotribological characterization of human hair and skin using atomic force microscopy
The research improved understanding of hair and skin properties across different ethnicities and conditions.
research Evolution of long scalp hair in humans
Long scalp hair evolved for cooling and social signaling.
research Microscopic Study concerning Hair Form of One Family in the Mixed Blood between European and Ponapean
Hair form in mixed-blood families varies due to hereditary twist-knots and pigment formation.
research Human hair production by scalp samples grafted onto nude mice. Biochemical data on normal human hair and the genetic defect trichothiodystrophy
Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
research Frontal pseudoalopecia in history: Part 1—Fashionable forms
In the Middle Ages, European noblewomen intentionally removed forehead hair to be fashionable, showing how beauty standards can affect the perception of hair loss.
research Human scalp hair: geometry, biochemistry, growth parameters and mechanical characteristics
A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
research Perspectives and Challenges of Hair Analysis
Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
research Scanning electron microscopy and morphometric analysis of the hair in dromedaries with SEM-EDX in relation to age
Dromedary camel hair structure and mineral content change with age.
research Human scalp hair as a thermoregulatory adaptation
Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
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 Hair for brain trade-off, a metabolic bypass for encephalization
Human hair loss may have evolved to help increase brain size.
research Effects of Hair dyes on Sequence Analysis of Hair Mitochondrial DNA Hypervariable Region 1
Hair dyes affect DNA analysis results, with the prepFiler kit working best for hair with follicles.
research Electrophoretic variability in human head hair: Polyacrylamide gel electrophoresis of hair proteins in the presence of sodium dodecyl sulfate and urea
Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
research Prospective ultramorphological characterization of human hair by optical coherence tomography
OCT can identify hair structures, but chemical treatments can damage them.
research Potential use of human hair shaft keratin peptide signatures to distinguish gender and ethnicity
Keratin peptides in hair might help identify gender and ethnicity.
research The Ultrastructure of Tissue Attached to Telogen Hair Roots
Recognizing specific tissue types on telogen hair roots can improve DNA typing.