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.
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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 Development of a Liquid Chromatography/Mass Spectrometry-Based Inhibition Assay for Screening Steroid 5-Alpha Reductase in Human and Fish Cell Lines
A new method was created to test the effectiveness of Dihydrotestosterone (DHT) inhibitors, like finasteride and dutasteride, in human and fish cells. The results showed fish cells are more sensitive to these treatments, and dutasteride works better than finasteride in all tested cells.
research Mapping Penetration of Cosmetic Compounds into Hair Fibers Using Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS)
Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
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 Serum Metabolomics Study of Polycystic Ovary Syndrome Based on Liquid Chromatography–Mass Spectrometry
Women with PCOS have different levels of certain fats and proteins in their blood, which could help diagnose the condition.
research Simultaneous Determination of Seven Prohibited Substances in Cosmetic Products by Liquid Chromatography–Tandem Mass Spectrometry
The method effectively identifies and measures seven banned substances in cosmetics.
research Quantitative Analysis of Cashmere and Other Animal Hair Fibers in Textiles Using MALDI-TOF Mass Spectrometry
The new method reliably identifies and measures different animal hair fibers in textiles.
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 Glycerophospholipid Analysis of Eastern Red Bat (Lasiurus Borealis) Hair by Electrospray Ionization Tandem Mass Spectrometry
Eastern Red Bat hair contains various glycerophospholipids, mainly phosphatidylcholine.
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 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.
research Determination of Cantharidin, Nitrogen Mustard, and Minoxidil in Nurturing Hair Products by Liquid Chromatography-Tandem Mass Spectrometry
research Studies on the Persistence of Estradiol Benzoate and Nortestosterone Decanoate in Hair of Cattle Following Treatment with Growth Promoters, Determined by Ultra-High-Performance Liquid Chromatography–Tandem Mass Spectrometry
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
research Efficacy and Mechanism of Topical Shen Bai Hair Growing Decoction Against Androgenetic Alopecia
The Shen Bai Hair Growing Decoction may help treat hair loss by promoting hair growth and reducing inflammation.
![Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method](/images/research/0026b639-99a8-455a-a986-c39aa65abfa9/small/2087.jpg)
research Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method
Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
research High-Resolution Mass Spectrometric Investigation of the Phase I and II Metabolites of Finasteride in Pig Plasma, Urine, and Bile
Finasteride metabolites found in pigs match human studies, making pigs a valid model for human drug research.
research Diagnosis of Hyperandrogenism: Biochemical Criteria
The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.
research Role of S-Palmitoylation by ZDHHC13 in Mitochondrial Function and Metabolism in Liver
ZDHHC13 is important for normal liver function and metabolism, affecting mitochondrial activity.
research Procyanidin B-3, Isolated from Barley and Identified as a Hair-Growth Stimulant, Has the Potential to Counteract Inhibitory Regulation by TGF-β1
Barley extract, specifically procyanidin B-3, can promote hair growth and counteract growth inhibition.
research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Production Rates of Testosterone and Dihydrotestosterone in Female Pattern Hair Loss
Women with female-pattern baldness produce more testosterone, but 5a-reductase inhibition treatment won't help.
research Stereocontrolled Synthesis of All Eight Stereoisomers of the Putative Anti-Androgen Cyoctol
Scientists made all eight versions of a compound called cyoctol, but found it's not an anti-androgen and it fully breaks down in the skin.
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 Separation of Finasteride and Analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Proteomic Analysis Identifies Differentially Expressed Proteins Participating in Forming Type III Brush Hair in Yangtze River Delta White Goat
Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.
research Love Is in the Hair: Arginine Methylation of Human Hair Proteins as Novel Cardiovascular Biomarkers
Human hair protein modifications could potentially indicate heart disease risk.
research A Fast and Efficient UPLC-ESI-MS/MS Method for Detection, Identification, and Quantitative Analysis of Bioactive Substances in Medicinal Herbal Extracts for Preventing Hair Loss
Researchers developed a quick and sensitive method to identify and measure hair growth-promoting substances in a herbal mix.