research Investigation of human hair using ToF-SIMS: From structural analysis to the identification of cosmetic residues
The conclusion is that a new method can identify cosmetic residues on hair and match them to their products.
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research Liquid Chromatography-Mass Spectrometry-Based In Vitro Metabolic Profiling Reveals Altered Enzyme Expressions in Eicosanoid Metabolism
The method reliably profiles eicosanoids and shows epitestosterone reduces their levels, similar to common anti-inflammatory drugs.
research Simultaneous Quantification of Dutasteride and Silodosin Using a Stability-Indicating RP-HPLC Approach
The method accurately and quickly measures silodosin and dutasteride in mixtures.
research [Determination of finasteride in human plasma by HPLC-MS].
The two finasteride formulations are bioequivalent.
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 Ultrahigh-Power Sonicator Lysis Enables Deep Proteomic Profiling of Hair Shafts for Fetal Growth Restriction Biomarker Discovery
A new method improves protein extraction from hair, helping identify potential biomarkers for fetal growth issues.
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 In-Depth Exploration of Chemical Constituents from Justicia procumbens L. Through UHPLC-Q-Exactive Orbitrap Mass Spectrometry
132 compounds were found in Justicia procumbens L., including 77 new ones.
research Determination of finasteride in human serum by LC-MS/MS
A reliable method was developed to measure finasteride levels in human serum.
research Chromatographic method for clobetasol propionate determination in hair follicles and in different skin layers
A new method accurately measures clobetasol propionate in hair and skin.
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 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 Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS
Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
research Development, validation, and application of an RP-HPLC method for concurrent quantification of Minoxidil and Finasteride in a topical solution for hair regrowth
The document concludes that a new method for measuring Minoxidil and Finasteride in hair regrowth solution is better because it considers separation theory and the properties of the ingredients. The mix of Methanol and water and the pH level greatly impact the measurement time and clarity.
research DEVELOPING AND VALIDATING AN HPLC METHOD TO QUANTIFY SIMULTANEOUSLY DUTASTERIDE AND THEIR RELATED MOLECULES (DUTASTERIDE ACID, 2,5 BIS- (TRI FLUORO METHYL)-ANILINE AND DUTASTERIDE 17 α-EPIMER) IN CAPSULES
A reliable method was created to measure dutasteride and related molecules in capsules.
research Simultaneous Estimation of Minoxidil and Tofacitinib Citrate in Bulk and Topical Gel - A Validated UV-spectrophotometric Technique
A reliable method was developed to measure Minoxidil and Tofacitinib in gel for hair loss treatment.
research Line‐field confocal optical coherence tomography: A new diagnostic method of lichen planopilaris
LC-OCT is an effective new method for diagnosing classic lichen planopilaris.
research SIMULTANEOUS QUANTIFICATION OF MINOXIDIL AND FINASTERIDE IN BULK AND PHARMACEUTICAL DOSAGE FORM BY RP-HPLC METHOD
A reliable method was developed to measure Minoxidil and Finasteride accurately in medicines.
research Cyproterone Acetate Quantification in Human Plasma by High-performance Liquid Chromatography Coupled to Atmospheric Pressure Photoionization Tandem Mass Spectrometry
The method accurately measures cyproterone acetate in plasma, showing no significant difference between two formulations.
research SIMULTANEOUS DETERMINATION OF FINASTERIDE AND TAMSULOSIN IN COMBINED DOSAGE FORM BY USING RP-HPLC METHOD
Method accurately measures finasteride and tamsulosin in combined drug form.
research Screening and confirmation methods of the major urinary metabolite of finasteride–carboxy-finasteride by liquid chromatography–mass spectrometry and liquid chromatography–tandem mass spectrometry
New methods can detect finasteride's major urinary metabolite in urine for up to 49 hours.
research A rapid, simple, liquid chromatographic-electrospray ionization, ion trap mass spectrometry method for the determination of finasteride in human plasma and its application to pharmacokinetic study.
A new method accurately measures finasteride levels in human plasma.
research Determination of 19 Steroid Hormones in Human Serum and Urine Using Liquid Chromatography-Tandem Mass Spectrometry
The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
research Simultaneous spectrophotometric determination of minoxidil and tretinoin by the H-point standard addition method and partial least squares
Both HPSAM and PLS methods accurately measure minoxidil and tretinoin concentrations.
research Development of a new gas chromatography–mass spectrometry (GC–MS) methodology for the evaluation of 5α-reductase activity
A new method was developed to accurately measure enzyme activity related to prostate health.
research Untargeted hair lipidomics: comprehensive evaluation of the hair-specific lipid signature and considerations for retrospective analysis
research Ultrasound and microwave assisted extraction of luteolin from Eclipta prostrata
A new method makes extracting luteolin from Eclipta prostrata faster and easier.
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 Quantitative Determination of α-Tocopherol and α-Tocopheryl Acetate in Pharmaceutical and Supplementary Soft Capsules by High Performance Liquid Chromatography
The method accurately measures vitamin E compounds in capsules.
research Development and validation of rapid and simultaneous method for determination of 12 hair-growth compounds in adulterated products by UHPLC–MS/MS
Researchers created a reliable method to detect hair-growth substances in products.