research An examination of a strand of 30,000 and 70,000 year old mammoth hair
Mammoth hair from different ages shows distinct surface textures and elemental compositions.
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research Detection of urine metabolites in polycystic ovary syndrome by UPLC triple-TOF-MS
Researchers found potential urine markers for polycystic ovary syndrome, including testosterone-glucuronide and 11α-hydroxyprogesterone, which may help diagnose the condition.
research Demonstrating the potential of untargeted hair proteomics for personalized biomarkers in stress-associated disorders
Hair proteomics could be a useful, non-invasive tool for identifying stress-related disorders.
research Improving human forensics through advances in genetics, genomics and molecular biology
DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.
research Hair Histology and Glycosaminoglycans Distribution Probed by Infrared Spectral Imaging: Focus on Heparan Sulfate Proteoglycan and Glypican-1 during Hair Growth Cycle
Infrared spectral imaging can map hair growth proteins and sugars without staining.
research THE APPLICATION OF PARTITION CHROMATOGRAPHY TO THE SEPARATION OF RARE EARTH ELEMENTS
PCOS causes hormonal imbalances and health issues like infertility and heart disease.
research Homeostasis and Cancer Symptom in Elemental Concentration Profiles of Hair Observed by Fluorescent X-ray Analysis with Synchrotron Radiation
Hair analysis can help screen for serious diseases like cancer and osteoporosis.
research Correlation between element concentrations and x‐ray diffraction patterns in hair
Elemental composition of hair affects its x-ray diffraction patterns.
research The proteomics of wool follicles
Proteomics helps understand protein changes in wool fiber development.
research 223 Canonical and Dominant Negative Peroxisome Proliferator-Activated Receptor γ Isoforms are Differentially Expressed in Human Skin and Skin Appendages
Different types of PPARγ are found in varying amounts in human skin and its parts, which could affect how skin treatments work.
research In search of decoding the syntax of the bioelements in human hair – A critical overview
Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
research Fourier Transform Infrared Attenuated Total Reflection Analysis of Human Hair: Comparison of Hair from Breast Cancer Patients with Hair from Healthy Subjects
Hair from breast cancer patients shows changes in structure and composition, and a test using these changes detected cancer but also falsely identified some healthy samples as cancerous.
research Uptake of sulfur-35 in human hair.
Sulfur-35 can be used to track hair growth and past exposure.
research Mapping penetration of cosmetic compounds into hair fibers using time‐of‐flight secondary ion mass spectrometry (TOF‐SIMS)
Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
research Multi-omics empowered deep phenotyping of ulcerative colitis
Ulcerative colitis involves immune activation, chronic inflammation, and metabolic issues, some of which persist even during remission.
research A Quantitative Measurement Method for Nuclear-Pleomorphism Scoring in Breast Cancer
A new method accurately measures cell changes in breast cancer.
research Determination of some sex hormones in health supplements by liquid chromatography with tandem mass spectrometry
The method detected sex hormones in some health supplements, with one containing banned testosterone.
research Structural analysis of the outermost hair surface using TOF-SIMS with gas cluster ion beam sputtering
The hair's outermost surface has multiple layers of lipids and proteins.
research Assessment of Circulating Sex Steroid Levels in Prepubertal and Pubertal Boys and Girls by a Novel Ultrasensitive Gas Chromatography-Tandem Mass Spectrometry Method
Prepubertal girls have higher sex steroid levels than boys, possibly leading to earlier puberty.
research FORENSIC DNA PHENOTYPING FOR CRIMINAL IDENTIFICATION
Forensic DNA phenotyping can now predict more physical traits and ancestry from DNA, but further improvements are needed.
research Distribution of bacterial community structures on human scalp hair shaft in relation to scalp sites
Bacterial communities on scalp hair are unique to each person but consistent across different scalp sites.
research Separation of finasteride and analogues
Finasteride and analogues separated using LC-MS-MS technique.
research A preliminary study of steroid reproductive hormones in human hair
Human hair can be used to measure reproductive hormones.
research 731 Generation of a laser capture microdissection and RNAseq-based human anagen hair follicle transcriptome atlas
Scientists created a detailed map of gene activity in different parts of human hair follicles.
research Forensic Analysis of Hair by Infrared Spectroscopy
Infrared spectroscopy can analyze hair for forensic and medical insights.
research Endogenous steroid hormones in hair: Investigations on different hair types, pigmentation effects and correlation to nails
Body hair isn't a good substitute for scalp hair in steroid analysis.
research HPTLC assay of nicotine and cotinine in biological samples
A new method effectively measures nicotine and cotinine in blood and urine for forensic analysis.
research Unique amino acid signatures that are evolutionarily conserved distinguish simple-type, epidermal and hair keratins
Different keratin types have unique amino acid patterns that are evolutionarily conserved.
research Archeological hair in paleobiological research
Ancient South American mummies' hair shows high sulfur, calcium, and potassium levels.
research Immunohistochemical analysis of estrogen and progesterone receptors in endometrium and peritoneal endometriosis: A new quantitative method
The new method showed that endometriotic tissue has lower estrogen receptor levels but similar progesterone levels compared to normal endometrium, with both following a similar cycle.