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.
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120-150 / 1000+ resultsresearch Evaluation of glucuronide metabolite stability in dried blood spots
Dried blood spots can be as stable as frozen liquid samples for storing certain metabolites.
research 812 Multi-view light sheet florescence microscopy (LSFM) for imaging cellular self-assembly in spheroids of human hair follicle dermal papilla cells and keratinocytes
The technique effectively shows how human skin and hair cells form into ball-like structures.
research An Analytical Framework for the Selective Extraction and Determination of Nine Multiclass Endocrine-Disrupting Chemicals from Haircare Products
Haircare products may expose users to harmful chemicals despite regulations.
research Characterization of spironolactone and metabolites derivatized using Girard's reagent P using mass spectrometry and ion mobility spectrometry
Girard's reagent P improves detection of spironolactone and its metabolites.
research Examining the Utility of LA-ICP-MS for Detection of Time-resolved Zinc Exposures and Determination of Hair Growth Rate
LA-ICP-MS effectively measures zinc, lead, and mercury in hair.
research Determination of adulteration in hair serums by LC-HRMS §
A new method found unlisted drugs in two popular hair serums, posing a health risk.
research Establishing and Verifying a Robust Liquid Chromatography-Tandem Mass Spectrometry Method to Simultaneously Measure Seven Androgens Present in Plasma Samples
The method accurately measures seven androgens in plasma and shows different hormone levels in females with acne and obesity.
research Diaminodiphenyl Sulfone-Induced Hemolytic Anemia and Alopecia in a Case of Linear IgA Bullous Dermatosis
DDS treatment for LABD can cause severe side effects like anemia and hair loss, requiring careful monitoring.
research Selective and rapid determination of tadalafil and finasteride using solid phase extraction by high performance liquid chromatography and tandem mass spectrometry
Quick, selective detection of tadalafil and finasteride in human plasma developed.
research Determination of finasteride in anti-calvous hair cosmetics by high performance liquid chromatography
A reliable method was developed to measure finasteride in hair products.
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 Steroidomics for highlighting novel serum biomarkers of testosterone doping
Monitoring steroid hormones in blood can better detect testosterone doping.
research High-throughput and direct measurement of androgen levels using turbulent flow chromatography liquid chromatography-triple quadrupole mass spectrometry (TFC-LC-TQMS) to discover chemicals that modulate dihydrotestosterone production in human prostate cancer cells
Researchers found four natural compounds that can change DHT levels in prostate cancer cells.
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 Simultaneous Determination of Selected Steroids with Neuroactive Effects in Human Serum by Ultrahigh-Performance Liquid Chromatography–Tandem Mass Spectrometry
A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
research An Innovative Reverse-Phase High-Performance Liquid Chromatography Technique For Measuring Finasteride And Tadalafil In Raw Materials And Pharmaceutical Products With Stability Indication
research Laboratory and Experimental Trichology
The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.
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 Revisiting hyper- and hypo-androgenism by tandem mass spectrometry
The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
research In Vitro Methodologies to Evaluate the Effects of Hair Care Products on Hair Fiber
Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
research New Insight Into the Immunostaining Method Suitable for the Pilosebaceous Complex Unit
The study found that a one-step antibody method is better than the LSAB method for accurately studying hair follicle structures without false positives.
research Liquid chromatography-mass spectrometry for simultaneous determination of spironolactone and canrenone in plasma samples
A method was found to accurately measure spironolactone and canrenone in blood samples using liquid chromatography-mass spectrometry.
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 Determination of traces of silver in human scalp hair slurries by electrothermal atomic absorption spectrometry
research New hair care ingredients
Several companies launched new hair care ingredients in 2011 to improve conditioning, color retention, combability, and heat protection.
research Cuticular damage to African–American hair during relaxer treatments – A microfluorometric and SEM Study
Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.
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 Workplace Drug Testing Using Hair Samples
Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.