research Segmental Hair Analysis for 11-Nor- 9-Tetrahydrocannabinol-9-Carboxylic Acid and the Patterns of Cannabis Use
THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
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research Variation in human hair ultrastructure among three biogeographic populations
Different populations have distinct hair structures related to their ancestry.
research Isolated eyebrow and eyelash trichotillomania mimicking alopecia areata
Some children and young adults with eyebrow and eyelash hair loss actually have a hair-pulling disorder, often with related psychological issues.
research Steroidomics for highlighting novel serum biomarkers of testosterone doping
Monitoring steroid hormones in blood can better detect testosterone doping.
research Novel Mutations in X-Linked Dominant Chondrodysplasia Punctata (CDPX2)
New mutations in the EBP gene cause CDPX2, affecting bones, skin, eyes, and hair, with females generally less affected than males.
research Effect of liposomal fluidity on skin permeation of sodium fluorescein entrapped in liposomes
Increased liposome fluidity boosts skin penetration of sodium fluorescein.
research Different localizations of drugs simultaneously administered in a strand of hair by micro‐segmental analysis
Drugs localize differently in hair strands based on their properties.
research New ethanol and propylene glycol free gel formulations containing a minoxidil-methyl-β-cyclodextrin complex as promising tools for alopecia treatment
New gel formulas without ethanol and propylene glycol, containing a minoxidil-methyl-β-cyclodextrin complex, have been created for treating hair loss.
research Action of Thioglycolic Acid and L-Cysteine to Disulfide Cross-Links in Hair Fibers during Permanent Waving Treatment
Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
research MANAGEMENT OF ENDOCRINE DISEASE Hyperandrogenic states in women: pitfalls in laboratory diagnosis
Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
research Chemical modification of keratin fibers using 2‐iminothiorane hydrochloride
2-iminothiorane hydrochloride improves hair waving permanence without damage.
research Discrete Nanoscale Distribution of Hair Lipids Fails to Provide Humidity Resistance
Hair lipids do not protect against humidity.
research A new label-free screen for steroid 5α-reductase inhibitors using LC-MS
Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
research Long-term detection of methyltestosterone (ab-) use by a yeast transactivation system
A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
research Development of a new GC–MS/MS method for the determination of metformin in human hair
A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
research New Biomarkers to Evaluate Hyperandrogenemic Women and Hypogonadal Men
The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
research Copper and calcium uptake in colored hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
research Hair removal and bioavailability of chemicals: Effect of physicochemical properties of drugs and surfactants on skin permeation ex vivo
Hair removal methods damage the skin barrier and affect substance penetration.
research Androgens in Women – Critical Evaluation of the Methods for Their Determination in Diagnostics of Endocrine Disorders
The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
research Design and Validation of a Sensitive Multisteroid LC-MS/MS Assay for the Routine Clinical Use: One-Step Sample Preparation with Phospholipid Removal and Comparison to Immunoassays
The new LC-MS/MS method is more accurate and reliable than traditional immunoassays for measuring steroids in serum.
research Total testosterone to dihydrotestosterone ratio assessed by LC-MS/MS predicts a worse metabolic profile not only in PCOS patients
A higher testosterone to dihydrotestosterone ratio may indicate worse metabolic health in women.
research Secondary structure estimation and properties analysis of stretched Asian and Caucasian hair
Stretching damages Caucasian hair's structure more easily than Asian hair.
research In Vivo Evaluation ofEclipta albaExtract as Anticancer and Multidrug Resistance Reversal Agent
Eclipta alba extract may work as an anticancer agent and help reverse drug resistance.
research New insights into human hair: SAXS, SEM, TEM and EDX for Alopecia Areata investigations
Alopecia Areata causes significant structural and compositional changes in hair.
research Determination of Vitamin B3 Vitamer (Nicotinamide) and Vitamin B6 Vitamers in Human Hair Using LC-MS/MS
The method can measure vitamin B3 levels in human hair accurately.
research Omics for Precious Rare Biosamples: Characterization of Ancient Human Hair by a Proteomic Approach
The study developed a method to analyze ancient hair proteins using very small samples.
research LC-MS/MS improves screening towards 21-hydroxylase deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
research Forensic chemical study on human hair. IV. Identification of brand of hair sprays and hair growth promoters by components remaining on human hair, and example of forensic hair examination.
Chemical analysis of hair products on human hair can help identify specific brands and link suspects to victims.
research Fast and Noninvasive Hair Test for Preliminary Diagnosis of Mood Disorders
A hair test shows promise for early mood disorder diagnosis.
research Cardio-light: nitric oxide uncaged
Low-level laser therapy using near-infrared light may help heart conditions and promote healing by releasing nitric oxide.