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research Rapid Determination of Finasteride in Human Plasma by UPLC-MS/MS and Its Application to Clinical Pharmacokinetic Study
New method measures finasteride in blood quickly and accurately.
research Androgen Profiling by Liquid Chromatography–Tandem Mass Spectrometry in Healthy Normal-Weight Ovulatory and Anovulatory Late Adolescent and Young Women
The research found that anovulatory young women have higher androgen and hormone levels than those who ovulate, suggesting immature hormonal regulation rather than a specific condition.
research Picogram Determination of Finasteride in Human Plasma and Semen by High-Performance Liquid Chromatography with Atmospheric-Pressure Chemical-Ionization Tandem Mass Spectrometry
Method detects finasteride in plasma and semen with high sensitivity and accuracy.
research Finasteride Quantification in Human Plasma by High-Performance Liquid Chromatography Coupled to Electrospray Ionization Tandem Mass Spectrometry: Application to a Comparative Pharmacokinetics Study
New method measures finasteride in plasma, finds two formulations bioequivalent.
research Development of a New GC-MS/MS Method for the Determination of Metformin in Human Hair
A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
research Simultaneous Determination of 30 Hormones Illegally Added to Anti-Aging Functional Foods Using UPLC-MS/MS Coupled with SPE Clean-Up
New method effectively detects illegal hormones in anti-aging foods.
research Long-Term Detection of Methyltestosterone Use by a Yeast Transactivation System
A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
research Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research UPLC-MS/MS Method for the Simultaneous Quantification of Caffeine and Illicit Psychoactive Drugs in Hair Using a Single-Step High-Speed Grinding Extraction – Insights into a Cut-Off Value for Caffeine Abuse
The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.
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 Simultaneous Determination of Androgens and Prostaglandins in Human Urine Using Ultra-High-Performance Liquid Chromatography–Tandem Mass Spectrometry
Researchers developed a reliable way to measure hormones in urine, showing that a baldness treatment doesn't change hormone levels.
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.
research Isotope Dilution-Based Targeted and Nontargeted Carbonyl Neurosteroid/Steroid Profiling
Researchers created a new method to measure brain steroids, finding higher levels of certain steroids and changes due to a drug.
research Phytochemical Profiling and Evaluation of the Anti-Aging and Anti-Inflammatory Potential of Cultivated Eclipta Alba (L.)
Eclipta alba has anti-aging and anti-inflammatory properties, making it a potential ingredient for cosmetics.
research GC-TOF/MS-Based Metabolomics for Comparison of Volar and Non-Volar Skin Types
Different types of skin on mice have unique chemical profiles related to how they grow and react to stress.
research Proteomic Tools for the Investigation of Human Hair Structural Proteins and Evidence of Weakness Sites on Hair Keratin Coil Segments
Hair proteins have weak spots in their α-helical segments.
research Identification of Finasteride Metabolites in Human Bile and Urine by High-Performance Liquid Chromatography/Tandem Mass Spectrometry
Finasteride breakdown products found in bile and urine, helps understand drug safety and effectiveness.
research Chemical Profiling and Quantitation of Bioactive Compounds in Platycladi Cacumen by UPLC-Q-TOF-MS/MS and UPLC-DAD
Researchers identified new compounds in Platycladi Cacumen and found variations in its flavonoid content, which could aid in its quality control.
research Differential Impact of Environmental Factors on Systemic and Localized Autoimmunity
Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.
research Simultaneous Quantitation of Nine Hydroxy-Androgens and Their Conjugates in Human Serum by Stable Isotope Dilution Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry
A new method accurately measures nine specific hormones in human blood.
research Detection of Urine Metabolites in Polycystic Ovary Syndrome by UPLC Triple-TOF-MS
Researchers found potential urine markers for polycystic ovary syndrome, including testosterone-glucuronide and 11α-hydroxyprogesterone, which may help diagnose the condition.
research Quantification of Biotin in Plasma Samples by Column Switching Liquid Chromatography – Tandem Mass Spectrometry
The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
research Antifungal Activity and Hair Growth Stimulation of Purple Sweet Potato Leaf Fraction (Ipomoea Batatas) and Its Molecular Mechanism Through Androgen Receptor Inhibition
Purple sweet potato leaf extracts can help treat hair loss and fungal infections.
research HPLC-ESI-MSn Characterization of Phenolic Compounds, Terpenoid Saponins, and Other Minor Compounds in Bituminaria Bituminosa
Researchers found over 40 compounds in Bituminaria bituminosa, including many flavonoids and some with potential for medical and hair care uses.
research High Resolution Full Scan Liquid Chromatography Mass Spectrometry Comprehensive Screening in Sports Antidoping Urine Analysis
The method effectively detects banned substances in urine for sports antidoping.
research The Secretory Clear Cell of the Eccrine Sweat Gland as the Probable Source of Excess Sweat Production in Hyperhidrosis
Eccrine sweat gland's clear cells likely cause excessive sweating in hyperhidrosis.
research Metabolic Study of Androsta-1,4,6-Triene-3,17-Dione in Horses Using Liquid Chromatography/High Resolution Mass Spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
research High-Throughput and Direct Measurement of Androgen Levels Using Turbulent Flow Chromatography Liquid Chromatography-Triple Quadrupole Mass Spectrometry 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 Simultaneous Quantitative Analysis of Tamsulosin and Finasteride in Pharmaceutical Dosage Form by U-HPLC Tandem Mass Spectrometry
Method measures tamsulosin and finasteride in medicine accurately.