research Integrated flow injection-solid phase spectrophotometric determination of minoxidil
New method measures minoxidil concentration faster, more accurately, and automatically.
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630-660 / 1000+ results research LC-APCI+-MS/MS method for the analysis of ten hormones and two endocannabinoids in plasma and hair from the mice with different gut microbiota
The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.
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 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.
research A Sensitive Assay for the Enzyme Activity in Hair Follicles and Epidermis that Catalyses the Peptidyl-Arginine-Citrulline Post-translational Modification
A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
research Intérêt des cheveux dans le diagnostic, la prise en charge et le suivi des sujets dépendants
Hair analysis is crucial for diagnosing, managing, and monitoring addiction.
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 Testosterone and doping control
The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.
research LC-MS/MS improves screening towards 21-hydroxylase deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
research SUN-195 Falsely Elevated Testosterone Levels: Role of LC-MS/MS in Reducing Unnecessary Testing
Using LC-MS/MS for hormone measurement can prevent false high testosterone results and avoid unnecessary tests.
research PMON224 Newly Observed Interference of Oral Biotin with the Free Testosterone Assay? In a Woman with Postmenopausal Virilization.
Taking biotin can lead to incorrect low results in free testosterone tests.
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 New fluorogenic probes for neutral and alkaline ceramidases
New probes were created to effectively measure specific enzymes involved in fat metabolism, which could help develop new drugs.
research Hair analysis for monitoring drug use
Hair analysis can effectively monitor long-term drug use.
research Highly Sensitive Simultaneous Measurement of Steroid Hormone in Human Serum by Liquid Chromatography-electrospray Ionization Tandem Mass Spectrometry
A new method accurately measures nine steroid hormones in human serum with high sensitivity.
research Extraction and Analysis of Cortisol from Human and Monkey Hair
The method effectively measures long-term stress levels using hair samples.
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 Molecular docking simulation studies on potent butyrylcholinesterase inhibitors obtained from microbial transformation of dihydrotestosterone
Metabolite 7 is a strong inhibitor for Alzheimer's disease management.
research Screen steroid 5 alpha-reductase inhibitors in vitro by high performance liquid chromatography
The method is quick and effective for testing steroid 5 alpha-reductase inhibitors.
research Preparation of a highly specific single chain variable fragment antibody targeting miroestrol and its application in quality control of Pueraria candollei by enzyme‐linked immunosorbent assay
The new ELISA method is reliable and eco-friendly for checking the quality of Pueraria candollei.
research Steroidomics for highlighting novel serum biomarkers of testosterone doping
Monitoring steroid hormones in blood can better detect testosterone doping.
research Simultaneous determination of multi-class active pharmaceutical ingredients by UHPLC-HRMS
A new method was developed to accurately detect and measure 47 different drug ingredients in various products.
research Bioengineered Skin Intended as In Vitro Model for Pharmacosmetics, Skin Disease Study and Environmental Skin Impact Analysis
Bioengineered skin models help reduce animal testing and advance research in cosmetics and skin disease.
research The human gut chemical landscape predicts microbe-mediated biotransformation of foods and drugs
The study developed a tool to predict how gut microbes process foods and drugs, showing that similar compounds often share metabolic pathways and effects.
research Measurement of cortisol in human Hair as a biomarker of systemic exposure
Hair cortisol can be used to measure long-term stress exposure.
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 Development and validation of a new gas flame ionization detector method for the determination of finasteride in tablets
New method accurately measures finasteride in tablets.
research HPTLC assay of nicotine and cotinine in biological samples
A new method effectively measures nicotine and cotinine in blood and urine for forensic analysis.
research Direct quantitative digital autoradiography of testosterone metabolites in the pilosebaceous unit: an environmentally advantageous trace radioactive technology
The method accurately measures testosterone metabolites with high sensitivity and low environmental impact.
research Human Hair as a Testing Substrate in the Era of Precision Medicine: Potential Role of ‘Omics-Based Approaches
Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.