research Determination of illegal adulteration of dietary supplements with synthetic hair-growth compounds by UPLC and LC-Q-TOF/MS
The new method accurately detects illegal hair-growth drugs in dietary supplements.
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450-480 / 1000+ results research Analytical method for the biomonitoring of bisphenols and parabens by liquid chromatography coupled to tandem mass spectrometry in human hair
A new method accurately detects bisphenols and parabens in human hair.
research Stability Indicating Method Development and Validation of Finasteride by High-Performance Thin-Layer Chromatography Studies
New method effectively analyzes finasteride and its stability.
research Insights From Liquid Chromatography-Mass Spectrometry-Measured Androgens in Indian Women With Polycystic Ovary Syndrome
Androstenedione is better than testosterone for diagnosing PCOS in Indian women.
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 Monitoring spatially resolved trace elements in polar bear hair using single spot laser ablation ICP-MS
Laser ablation ICP-MS is effective for tracking trace elements in polar bear hair over time.
research Testosterone-like immunoreactivity in hair measured in minute sample amounts - a competitive radioimmunoassay with an adequate limit of detection
The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
research Simultaneous Estimation of Minoxidil and Aminexil in Bulk and Pharmaceutical Formulations by Rp-Hplc Method
A new method accurately measures minoxidil and aminexil in drugs.
research Invalidation of a commercially available human 5α-dihydrotestosterone immunoassay
The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
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 Chromatographic Methods for the Determination of Aminexil, Pyridoxine, and Niacinamide in a Novel Cosmetic Hair Preparation
Two new methods accurately measure Aminexil, Pyridoxine, and Niacinamide in hair products.
research DIFFERENTIAL STRIPPING TECHNIQUE TO DETERMINE FINASTERIDE RETENTION IN HAIR FOLLICLES AFTER IN VITRO TOPICAL APPLICATION
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 A chemist's view of the analysis of human hair for trace elements
Analyzing trace elements in human hair is complex and needs a standardized method.
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 High-performance liquid chromatographic determination of finasteride in human plasma using direct injection with column switching
New method detects finasteride in plasma quickly and accurately without clean-up.
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 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 Use of rotary echoes in 2 H
A new method accurately measures molecular movement without complex modeling.
research Analysis of Methyltestosterone and Testosterone Propionate in Dried Blood Spots After Transdermal Application
The method effectively detects MeT and TP in dried blood spots after cream application.
research The Price Waterhouse Guide to Financial Management: Tools for Improving Performance
A new method can quickly detect alcohol abuse by analyzing hair in under an hour.
research Application of Different Analytical Techniques and Microbiological Assays for the Analysis of Macrolide Antibiotics from Pharmaceutical Dosage Forms and Biological Matrices
Future work on macrolide antibiotic analysis will aim to enhance selectivity, sensitivity, and efficiency using advanced chromatographic methods.
research Study on dissolution mechanism of cortisol and cortisone from hair matrix with liquid chromatography–tandem mass spectrometry
Cortisol and cortisone release from hair increases in steps over time during incubation.
research Determination of finasteride in human plasma by HPLC-MS
The method reliably measures finasteride in human 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 Analysis of hair steroid hormone concentrations at different parts of the head by liquid chromatography-tandem mass spectrometry
Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
research Nanoflow UHPLC-MS3 for sensitive detection of cortisol in a single-strand 1-cm human hair segment
research 5α‐reductase inhibitors: Evaluation of their potential confounding effect on GC‐C‐IRMS doping analysis
5α-reductase inhibitors can interfere with doping tests by masking banned substances.
research Determination of finasteride in the tablet form by liquid chromatography and its analytical method validation
Validated method reliably measures finasteride in tablets using liquid chromatography.
research Simultaneous Quantification of Dexpanthenol and Resorcinol from Hair Care Formulation Using Liquid Chromatography: Method Development and Validation
Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.