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.
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120-150 / 1000+ results research GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl–trimethylsilyl derivatisation
The method accurately measures certain steroids in human hair, showing different levels in males and females.
research Stable Isotopes And Multiple Tissue Analysis: Reconstructing Life Histories For Individuals From Dakhleh Oasis, Egypt
Analyzing isotopes from different tissues can effectively reveal detailed life histories of individuals.
research High-magnification universal serial bus dermoscopy: A convenient alternative to direct microscopic examination
USB videodermatoscopes are a practical and affordable alternative for diagnosing skin conditions.
research Gas chromatography/mass spectrometry based hair steroid profiling may reveal pathogenesis in hair follicles of the scalp
Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.
research Qualification of a new and precise automatic tool for the assessment of hair diameters in phototrichograms
The new automatic tool accurately measures hair thickness and is reliable.
research Rapid determination and quantification of hair-growth compounds in adulterated products by ultra HPLC coupled to quadrupole-orbitrap MS
About 21% of tested hair loss supplements contained illegal synthetic drugs.
research Preparation of3H-labelled testosterone metabolites
The conclusion is that tritium-labeled testosterone metabolites can be made and are better converted into dihydrotestosterone in skin cells than in prostate tissue.
research The Laxometer: increasing the safety of hair transplants that use a large number of grafts
The Laxometer helps make hair transplants with many grafts safer.
research Ultrahigh-Power Sonicator Lysis Enables Deep ProteomicProfiling of Hair Shafts for Fetal Growth Restriction Biomarker Discovery
A new method helps find proteins in hair to identify fetal growth issues.
research A liquid chromatography/tandem mass spectrometry method for determination of aristolochic acid‐I in rat plasma
A reliable method was developed to measure aristolochic acid-I in rat blood.
research Clinical and analytical evaluation of LC-MS methods for plasma renin activity and aldosterone
The study developed methods to measure biomarkers in mice and found differences in hormone levels linked to gut microbiota diversity and stress response.
research Validated RP-TLC Method with Densitometry for Assay of Finasteride in Simple Pharmaceutical Dosage Form
A new, simple, and accurate method was created to measure finasteride in tablets.
research Analysis of Biological Elements of Scalp Hairs With Sem-Edx and Tem and its Application to the Hair Comparison
SEM/EDX can analyze hair elements but struggles with trace elements, limiting its forensic use.
research Determination Method for Steroid 5α-Reductase Activity Using Liquid Chromatography/Atmospheric Pressure Chemical Ionization–Mass Spectrometry
A new method was developed to measure and assess the activity and inhibition of the enzyme steroid 5α-reductase.
research Determination of steroid hormones in human hair as a retrospective biomarker with HPLC-MS/MS
A new method accurately measures long-term hormone levels in hair.
research Laser Lax for Donor Closure
Laser Lax is a new tool that measures scalp looseness accurately and comfortably.
research How storage post sampling influences the stability of sebum when used for mass spectrometry metabolomics analysis?
Sebum samples remain stable under various storage conditions, making them suitable for remote and at-home testing.
research Development of a Liquid Chromatography/Mass Spectrometry-Based Inhibition Assay for the Screening of Steroid 5-α Reductase in Human and Fish Cell Lines
A new method was created to test the effectiveness of Dihydrotestosterone (DHT) inhibitors, like finasteride and dutasteride, in human and fish cells. The results showed fish cells are more sensitive to these treatments, and dutasteride works better than finasteride in all tested cells.
research Separation of finasteride and analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Gas Chromatography Tandem Mass Spectrometry for Biomarkers of Alcohol Abuse in Human Hair
A new method quickly detects alcohol use from hair in under an hour.
research Determination of finasteride in human plasma by liquid chromatography–electrospray ionization tandem mass spectrometry with flow rate gradient
Researchers developed a quick and sensitive way to measure finasteride in blood using a small sample size.
research Limits of Visual Detection for Finasteride Polymorphs in Prepared Binary Mixtures: Analysis by X‐ray Powder Diffraction
research Synchronous fluorescence as a green and selective method for the simultaneous determination of finasteride and tadalafil in dosage form and spiked human plasma
A new green method accurately measures finasteride and tadalafil in drugs and plasma.
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 L-Ornithine ketoacid-transaminase assay in hair roots of homozygotes and heterozygotes for gyrate atrophy
research Liquid Chromatography-Mass Spectrometry Applied to The Identification And Quantification Of Animal Hair Fibers In Textile Products
Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
research 601 A quantitative study of desquamation in the stratum corneum
New method measures skin cell turnover quickly and effectively, showing turnover slows with age and responds more to treatments in older skin.
research The Dermatology Life Quality Index (DLQI ) used as the benchmark in validation of 101 quality‐of‐life instruments: A systematic review
The DLQI is a key tool for measuring quality of life in dermatology.
research RP-HPLC Technique for Dustasteride Quantitative Estimation in Tablet Dosage Form: Formulation and Validation of Analytical Technique
A reliable method was developed to measure dutasteride in tablets accurately and consistently.