research Matrix Effect in Quantitative LC/MS/MS Analyses of Biological Fluids: A Method for Determination of Finasteride in Human Plasma at Picogram Per Milliliter Concentrations
Method detects finasteride in plasma at very low concentrations.
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research Influence of Saw palmetto and Pygeum africana extracts on the urinary concentrations of endogenous anabolic steroids: Relevance to doping analysis
Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
research Testosterone and doping control
The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.
research Variation in Muskox (Ovibos moschatus) Guard Hair Growth Rates: Implications for Measuring Chronological Biomarkers
Muskox hair growth rates vary widely, so a single growth rate can't be used for all populations.
research Improved forensic hair evidence for drugs of abuse by mass spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research The reduction of selenium(IV) by boreal Pseudomonas sp. strain T5-6-I – Effects on selenium(IV) uptake in Brassica oleracea
Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
research Urinary Androgens Provide Additional Evidence Related to Metabolism and Are Correlated With Serum Androgens in Girls
The research found that measuring androgens in urine can give extra information about body metabolism and is linked to androgen levels in the blood, especially in young girls.
research Segmental analysis of human hair reveals intra-annual variation in 25(OH)D3 concentrations in modern and archaeological individuals
Hair analysis can show changes in vitamin D levels over time.
research Simultaneous Analysis of Biomarkers in Human Hair for Evaluating Chronic Tobacco Smoke Exposure and Stress/Relaxation Using Online In-Tube Solid-Phase Microextraction Coupled with Liquid Chromatography–Tandem Mass Spectrometry
A new method can quickly and accurately measure tobacco exposure and stress using a small hair sample.
research Single hair analysis by X-ray fluorescence spectrometry detects small changes in dietary zinc intake: A nested randomized controlled trial
Hair analysis can detect small changes in dietary zinc intake.
research Quantitative analysis of 34 sex (pro)hormones, conjugates and bioactive oxidation products thereof in human plasma by GC- and LC-MS/MS and systematic investigation of overestimations of analyte concentrations not accounted for by method validation
The method accurately measures sex hormones in human plasma but can have small errors.
research Phenotypic Analysis of T-Cells in Extensive Alopecia Areata Scalp Suggests Partial Tolerance
T-cells in alopecia areata scalp show abnormal regulation, leading to less inflammation.
research Liquid Chromatography-Mass Spectrometry Based Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated L-Cysteine
Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
research Simultaneous pharmacokinetic and pharmacodynamic analysis of 5α-reductase inhibitors and androgens by liquid chromatography tandem mass spectrometry
The method effectively measures drug impact on DHT levels in prostate treatments.
research Case Series: Gene Expression Analysis in Canine Vogt-Koyanagi-Harada/Uveodermatologic Syndrome and Vitiligo Reveals Conserved Immunopathogenesis Pathways Between Dog and Human Autoimmune Pigmentary Disorders
The immune processes causing VKH and vitiligo are similar in dogs and humans.
research The tail-tale of stress: an exploratory analysis of cortisol levels in the tail-hair of captive Asian elephants
Elephant tail-hair can show past stress levels, matching times when stressful events happened.
research Targeted Determination of Residual Sex Hormones in Cosmetics Using Magnetic Solid-Phase Extraction with Isotope-Labeled Internal Standards by UHPLC-MS/MS
A new method effectively detects trace sex hormones in cosmetics, ensuring safety.
research Towards Best Practice in Hair Metabolomic Studies: Systematic Investigation on the Impact of Hair Length and Color
Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.
research Advances and Challenges in Plant Sterol Research: Fundamentals, Analysis, Applications and Production
Plant sterols have health benefits like lowering cholesterol, but more research is needed to understand their effects and improve their extraction and sustainability.
research Towards the validation of endogenous steroid testing in wildlife hair
Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
research Follicular Fluid: A Powerful Tool for the Understanding and Diagnosis of Polycystic Ovary Syndrome
Analyzing follicular fluid can help predict and improve outcomes for women with PCOS undergoing fertility treatments.
research Sustained Exosome‐Guided Macrophage Polarization Using Hydrolytically Degradable PEG Hydrogels for Cutaneous Wound Healing: Identification of Key Proteins and MiRNAs, and Sustained Release Formulation
Hydrogel with M2-derived exosomes improves wound healing by slowly releasing exosomes that help reduce inflammation and promote tissue repair.
research Co-administration of 5α-reductase Inhibitors Worsens the Adverse Metabolic Effects of Prescribed Glucocorticoids
Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
research Measurement of hair growth
Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
research Colored Polymeric Nanofiber Loaded with Minoxidil Sulphate as Beauty Coverage and Restoring Hair Loss
Scientists created a colored thread-like material containing a common hair loss treatment, which slowly releases the treatment over time, potentially offering an effective, neat, and visually appealing solution for hair loss.
research Separation of finasteride and analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Biologic Rhythms Derived from Siberian Mammoths' Hairs
Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.
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 Preparation and characterization of dutasteride-loaded nanostructured lipid carriers coated with stearic acid-chitosan oligomer for topical delivery
The new dutasteride formula can be applied to the skin, may promote hair growth, and has fewer side effects.
research Multi-potentiality of a new immortalized epithelial stem cell line derived from human hair follicles
Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.