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Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.

This study found that while hair washed with hard water had higher magnesium deposits, it did not show significant structural surface changes compared to hair washed with soft water.

Isolated patchy heterochromia with pili annulati can occur without other health issues.

This study reported that a new coating made with delaminated Ti₃C₂ MXene nano-sheets and a tea-derived compound effectively protects hair keratin from damage by providing UV screening, thermal dissipation, and antioxidation, while also enhancing mechanical strength and restoring wettability.

In this study, iron deficiency anemia was prevalent among female patients, primarily due to heavy menstrual bleeding linked to uterine fibroids, and was often treated successfully with intravenous iron.

This study observed that cattle grazing all-grass or grass-legume pastures showed varying mineral concentrations in hair, blood, urine, and liver, with significant correlations between hair and serum magnesium and copper levels.

This study found that copper levels varied significantly by gender, while young infants had higher levels of copper, zinc, calcium, magnesium, and iron compared to older age groups.

This study found that individuals who perceive their hair health as poor tend to have higher levels of metals on their hair, emphasizing the impact of environmental metal exposure.

This study determined that previous reports mistakenly identified different polymorphs of furosemide and finasteride, which are actually identical, due to incomplete data collection in single-crystal X-ray diffraction analysis.

This protocol paper details methods for live imaging and analysis of dividing germline stem cells in C. elegans and reports no new research findings.

This study found that treating yak hair fibers with low-temperature plasma and microwaves weakened the scale structure and significantly improved dyeability.

Method measures minoxidil in tablets accurately and easily.

In this study, a novel electrochemical sensor using a molecularly imprinted polymer was developed for the sensitive detection of minoxidil, successfully measuring its concentration in real samples.

This study found that finasteride was nongenotoxic in Drosophila, while doxazosin mesylate and saw palmetto induced homologous recombination, indicating potential genotoxic actions under the test conditions.

This study found that calcium, magnesium, and vitamin D supplementation altered hair calcium and magnesium content in perimenopausal women, suggesting an early indicator of metabolic changes linked to skeletal mineralization.

In this pilot study, no significant differences were observed between memantine and placebo groups in young adults with Down syndrome on the primary memory outcomes, but some improvement was noted in a secondary measure.

In this study on Danio rerio, researchers found that exposure to titanium dioxide nanoparticles did not affect embryonic development but altered the structure of male gonads, acting as potential endocrine disruptors with androgenic activity.

This study found that defective cross-linking in hair cuticles is observable in a minority of mouse hair mutants, suggesting different proteins are involved in cross-linking across cell types.

This study found that biologic rhythms in mammoth hairs differed from those in modern human hair, with variations in growth rates and mineral content providing insights into the lifestyle and behavior of extinct species.

This study found that the combination of MT-DADMe-ImmA and MTA selectively induced apoptosis in head and neck squamous cell carcinoma cell lines FaDu and Cal27, but not in normal fibroblasts or MTAP-deficient breast cancer cells.

This review discusses recent progress in PENG-based sensors for non-invasive medical diagnosis and treatment but reports no new experimental results.

In this study, the novel thiol-Michael click perming molecule, MA2-CySS, achieved repeatable perming with reduced oxidative damage, preserving hair keratin's structure while maintaining efficiency comparable to traditional oxidative methods.

In this study, researchers found that papain-treated or mechanically altered Asian scalp hair fibers allowed for spontaneous ion movement and anthocyanin dye flow through the medulla tube, with dye flow enhanced by applied DC voltage.

This article suggests that testosterone therapy might be considered if other treatments fail, but emphasizes discussing potential risks and benefits with patients before prescribing.

This study found that rebonding hair straightening treatments visibly damage the hair cuticle, causing surface erosion and cracks, as shown through Scanning Electron Microscopy analysis.