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This study characterized the crystal structures and supramolecular architectures of new salts made from 2,4-diaminopyrimidine and different dicarboxylic acids, revealing subtle differences in crystal packing and hydrogen-bonding patterns, particularly influenced by sulfur atom interactions, through Hirshfeld analysis and enrichment ratios.

This study reports the synthesis of a hectorite/phenanthroline nanomaterial which acts as a potential fluorescent sensor for detecting Zn ions in water, offering a solution to the low solubility issue of traditional metal ion-detecting molecules.

The patches could quickly deliver epilepsy treatment and reduce seizures.

This study develops FR-1, a topical small molecule, which reduces scarring and avoids skin atrophy in a murine wound model, showing potential for treating fibrosis without the side effects of current therapies.

In this study, researchers synthesized biomedical polyurethanes incorporating curcumin and varying PEG content to enhance water solubility and control curcumin release, finding that higher PEG content improved hydrophilicity, swelling, and degradation, while maintaining excellent antioxidant and antibacterial activities, suggesting promise for biomedical applications.

This study found that laccase-assisted grafting of poly(tyrosine) onto wool materials improved shrinkage resistance and mechanical properties while causing minor decreases in crystallinity and thermal resistance, suggesting a potential "green" approach to enhance wool durability.

Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.

The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.

This study suggests that melatonin may have a radioprotective role against X-ray-induced skin damage in rats, as evidenced by milder injury markers in pretreated animals.

This study identified two types of calcium in human scalp hair, with one type highly variable between individuals, potentially impacting the analysis of environmental and medical factors related to hair calcium.

This study found that the molecular structure of hair is more sensitive to synchrotron X-ray radiation than its supramolecular architecture, indicating potential concerns for biological analyses using such radiation.

This study discovered a new region in the hair cortex where intermediate filaments are both aligned with the hair's axis and orientationally ordered, influenced by the cuticle boundary.

This study reports that hair from women with breast cancer showed a unique X-ray diffraction feature, potentially offering a non-invasive method for detecting the disease.

This study found that a modest increase in dietary zinc over six months resulted in a detectable increase in sulfur and zinc counts in individual hairs, suggesting a non-invasive method to monitor zinc intake effects.

This study found that electron and proton microprobe analysis can reveal differences in element distribution within human hair and epidermis, although no significant water content differences were noted between atopic eczema and normal skin.

This study found that single-dose x-ray irradiation in rat calvaria skin led to morphological changes in collagen fibers, disorganization, and a temporary absence of sebaceous glands and hair follicles.

This study found that perming and bleaching hair result in different distributions of cysteic acid, suggesting distinct damage mechanisms between the two treatments.

This study found that hair analysis may be useful in early breast cancer detection by identifying distinct calcium and strontium concentration patterns before and during cancer development.

In this study, researchers found a correlation between x-ray patterns and the element composition of human hair, with certain metal roles in the hair matrix considered.

Women treated with X-ray for scalp fungus as children had a higher chance of hair loss, especially with higher radiation doses and severe fungus infections.

This study identified two types of calcium in human scalp hair shafts: easily removable calcium, likely as calcium soaps, and more stably bound calcium, possibly related to Ca-binding proteins.

In this in-vitro study, researchers found that shampoo-induced coacervates structurally resemble cationic polymers and contain anionic surfactants that may stimulate the scalp upon exposure to water.

This study suggests that hair analysis could serve as a diagnostic tool for detecting calcium channel activity, which influences hair calcium levels and may indicate calcium deficiency or related disease states.

The method effectively maps lead and zinc in hair, aiding understanding of heavy metal exposure risks.

This study reported that X-ray microscopy provides more intact images of hair's internal structure compared to transmission electron microscopy, particularly for observing fine details like cuticle coarsening and cortex cracks.

This study found that despite chemical differences, five different brands of reconstructive hair fibers all provided successful cosmetic results in disguising hair loss in patients.

This review examines the effects of various factors on the molecular and nanostructural ordering of human hair, highlighting its potential as a diagnostic material for environmental and public health monitoring, but reports no new experimental results.

Radiation-induced hair loss may be caused by hair growth stopping and inflammation in blood vessels.

Hyaluronic acid microneedles help deliver minoxidil derivatives effectively for hair regrowth.

In this study, repetitive subcutaneous administrations of a conditioned medium from stem cells significantly suppressed hair graying in mice exposed to X-ray irradiation, likely through antioxidative mechanisms involving HGF and potentially VEGF.