March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” In this study, researchers found that hair fibers exposed to bleaching and UV irradiation displayed significantly more damage, including increased adhesion and surface heterogeneity, compared to untreated hair, highlighting a synergistic degradation pathway affecting the hair cuticle's integrity.
February 2025 in “International Journal of Cosmetic Science” This study found that treating hair with ATS, formed from fumaric acid and cysteamine, effectively improved hair quality by increasing moisture content and altering the internal structure of strong curls.
April 2024 in “Authorea (Authorea)” This review summarizes techniques like Raman spectroscopy, nanoindentation, and small-angle X-ray scattering to explore the biophysical interactions in collagen fibers, aiming to enhance understanding of fibroblast behavior and mechanisms involved in organ fibrosis and healing processes.
March 2024 in “Middle East Fertility Society Journal/Middle East Fertility Society Journal ” In this study, the researchers used dual-energy X-ray absorptiometry and found that women with polycystic ovary syndrome exhibit a central fat distribution pattern despite not having increased overall fat compared to controls, suggesting this method's potential utility in diagnosing and monitoring PCOS.
January 2020 in “대한미용학회지” This study reported that both gray and black-brown hair had decreased sulfur content after dyeing with a permanent hair dye mixture consisting primarily of carbon, oxygen, nitrogen, and sulfur.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
13 citations
,
January 1963 in “Radiation Research” This study observed that in mice, small-scale x-ray irradiation resulted in uniquely rapid healing of hair follicles, differing from the hypertrophic and hyperplastic responses seen in larger irradiated areas.
January 2012 in “Hacettepe University Institutional Repository (hacettepe.edu.tr)” This study found that using a contrast agent in Microbeam Radiation Therapy simulations increased the target dose but concluded that using a linear accelerator as an X-ray source did not preserve MRT advantages.
January 2026 in “Journal of Radiation Research” This study found that using human hair follicle dermal papilla cells, 53BP1 focus counting can estimate radiation doses from 50 mGy after 5 hours, and focus size analysis refines dose estimation for doses ≥ 500 mGy up to 96 hours.
July 2025 in “Communications Biology” In this study, researchers used synchrotron X-ray imaging to examine rat vibrissa follicles, finding that despite variations in vibrissa length and follicle size, certain sensory structures remain consistent, suggesting specialized roles in sensory processing depending on the vibrissa type.
January 2025 in “Nature Communications” Using synchrotron X-ray imaging, this study mapped the complex innervation of male rat vibrissa follicles, revealing distinct types of myelinated afferent neurons and patterns of axonal organization that may inform sensory processing in the brainstem.
28 citations
,
June 2012 in “International Journal of Molecular Medicine” This study observed that while X-ray radiation did not alter major hair keratin composition in mice, it decreased hair follicle stem cell markers and increased Krt5, suggesting potential as a radiation biomarker.
January 2009 in “ScholarlyCommons (University of Pennsylvania)” This study provided the first X-ray crystal structure of the mammalian steroid hormone reductase AKR1D1 and identified a disease-related mutant, P133R, which may impact bile acid metabolism and cause clinical symptoms.
43 citations
,
September 2006 in “Annals of Plastic Surgery” This article presents a unique case of hair-thread tourniquet syndrome in a 3-month-old, with a hair causing bony erosion of the toe, and includes a literature review and meta-analysis.
This study found that a single 8Gy dose of superficial 50kV X-ray radiation minimizes keloid recurrence after excision, and identified genomic pathways and potential molecular targets for improved keloid therapy.
10 citations
,
March 2005 in “International Journal of Cosmetic Science” This study found that photochemical and cosmetic chemical oxidation of hair causes surface damage by delipidation and acid formation, which can be characterized and quantified using microfluorometry and X-ray photoelectron spectroscopy.
January 2021 in “arXiv (Cornell University)” This study found that self-supervised pretraining significantly improves accuracy in medical image classifiers for dermatology and chest X-ray tasks, outperforming supervised baselines and showing robustness to distribution shifts with limited labeled data.
February 2020 in “Oxford University Press eBooks” This review details the development of the alpha-helix model for protein structure proposed by Pauling and Corey and confirms its validity through X-ray studies of myoglobin and lysozyme.
53 citations
,
January 1993 in “Biochemical Pharmacology” This study reports a method for efficiently synthesizing chromeno-pyrimidine-N-oxides in good to excellent yields, confirmed by X-ray analysis, through a reaction between 4-chloro-3-formylcoumarin and aromatic carboximide oximes.
7 citations
,
March 2013 in “Tetrahedron Letters” This study reports a new one-pot method for synthesizing chromeno-pyrimidine-N-oxides with high yield from 4-chloro-3-formylcoumarin and aromatic carboximide oximes, confirmed by X-ray analysis.
4 citations
,
May 2017 in “Pediatric Dermatology” This case report details a 3-year-old girl with short anagen syndrome, characterized by short, sparse hair, where X-ray microanalysis showed her hair's main bioelements were normal.
July 2025 in “Clinical Case Reports” In this case report, a 17-year-old male with a specific TRPS1 gene mutation presented with sparse, soft hair, short thumbs and toes, misaligned teeth, and distinctive bone abnormalities in the fingers and toes as observed through X-ray analysis.
65 citations
,
May 2006 in “Journal of Structural Biology” This study concluded that the curliness of human hair, regardless of ethnicity, originates from the inhomogeneous internal nanostructure due to differences in the distribution of two types of cortices.
18 citations
,
February 2015 in “Acta Crystallographica Section D: Structural Biology” This study reports that Ca 2+ binding alters the dynamics and surface properties of PKD-like domains in Clostridium histolyticum collagenases, enhancing their stability and potentially aiding in collagen-targeting vehicle development.
17 citations
,
February 2022 in “Microscopy Research and Technique” This study reports that different animal species exhibit distinct hair scale patterns and elemental compositions, which can aid forensic investigations in identifying animal hair.
4 citations
,
July 2024 in “BMC Zoology” This study found that the structure and mineral content of dromedary camel hair, specifically the medulla patterns, medulla index, and elemental composition, change with age, revealing differences among camels aged 1 year, 3-5 years, and 8-10 years.
24 citations
,
July 2017 in “Structure” In this study, researchers found that ligand homodimerization controls the receptor binding specificity of the FGF9 subfamily, preventing off-target activation of FGFR "b" isoforms.
20 citations
,
March 2013 in “Journal of Lipid Research” This study examined the structural and biochemical mechanisms of human lipocalin prostaglandin D synthase, detailing substrate and product binding processes at the catalytic site and suggesting potential for drug delivery targeting hydrophobic molecules.
7 citations
,
December 1971 in “Calcified Tissue Research” Hair follicles in injured skin can quickly accumulate minerals, especially calcium and phosphorus.
5 citations
,
October 2020 in “Journal of radiation research” The researchers found that exosome-like vesicles from irradiated cheek skin in neonatal mice may offer protective effects against hair follicle loss after high-dose radiation exposure.