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.
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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 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.
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 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 Phytochemical Analyses of Ziziphus Jujuba Mill. Var. Spinosa Seed by Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectrometry and Gas Chromatography-Mass Spectrometry
The study found that Ziziphus jujuba seeds contain beneficial compounds for treating insomnia and anxiety and that the methods used are effective for assessing their quality.
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 Profiling Steroid and Thyroid Hormones with Hair Analysis in a Cohort of Women Aged 25 to 45 Years Old
The method can measure multiple hormones in women's hair and may help identify hormone-related health issues.
research Disturbed Sebum and Microbiome Composition in Sensitive Scalp
Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.
research Simultaneous Determination of Quercitrin, Afzelin, Amentoflavone, Hinokiflavone in Rat Plasma by UFLC-MS-MS and Its Application to the Pharmacokinetics of Platycladus Orientalis Leaves Extract
Researchers developed a method to measure plant compounds in rat blood and found they are quickly absorbed and eliminated within 36 hours.
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 Proteomic Analysis of Balding and Non-Balding Mesenchyme-Derived Dermal Papilla Cells from Androgenetic Alopecia Patients Using Online Two-Dimensional Reversed Phase-Reversed Phase LC-MS/MS
Found different proteins in balding and non-balding cells, giving insight into hair loss causes.
research Revisiting Hyper- and Hypo-Androgenism by Tandem Mass Spectrometry
The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
research Quantitative Analysis of Finasteride Tablets Dissolution Content with Non-Isotopically Labeled Internal Standard by Paper Spray Ionization Mass Spectrometry
PSI-MS quickly and accurately measures finasteride in tablets, helping with quality control.
research Bio-Analytical Method Development and Validation of Finasteride, Tadalafil, and Its Application to Pharmacokinetic Studies in Rat Plasma by Using LC-MS/MS
A reliable method was developed to measure Finasteride and Tadalafil in rat blood.
research A Stability Indicating UPLC Method for Finasteride and Its Related Impurities
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 Isolation and Structural Identification of a Novel Minoxidil Analogue in an Illegal Dietary Supplement: Triaminodil
A new minoxidil-like substance, triaminodil, was found in an illegal hair growth supplement.
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 Enzyme-Linked Immunosorbent Assays for Doping Control of 5α-Reductase Inhibitors Finasteride and Dutasteride
New tests detect finasteride and dutasteride in urine quickly and easily.
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 Untargeted Metabolomics and Steroid Signatures in Urine of Male Pattern Baldness Patients After Finasteride Treatment for a Year
Finasteride treatment changes urine metabolomics and steroid signatures, potentially monitoring effectiveness but may cause sexual side effects.
research A Review on Forensic Toxicological Analysis of Drugs in Hair Using Various Instrumental Techniques
Hair analysis is better than urine and blood for detecting past drug use.
research The Rotterdam Study: 2018 Update on Objectives, Design, and Main Results
The Rotterdam Study updated findings on elderly health, focusing on heart disease, genetics, lifestyle effects, and disease understanding.
research Characteristics of Men Who Report Persistent Sexual Symptoms After Finasteride Use for Hair Loss
Finasteride for hair loss may cause persistent sexual symptoms, depression, anxiety, and lower quality of life.
research A Novel Finasteride 0.25% Topical Solution for Androgenetic Alopecia: Pharmacokinetics and Effects on Plasma Androgen Levels in Healthy Male Volunteers
New finasteride solution effectively reduces baldness-causing hormone, potentially with fewer side effects.
research Analysis of Protein Interactions by Surface Plasmon Resonance
Surface Plasmon Resonance is a useful tool for studying protein interactions and has potential for future technological advancements.
research Morroniside Regulates Hair Growth and Cycle Transition via Activation of the Wnt/β-Catenin Signaling Pathway
Morroniside may help hair grow and stay in its growth phase by affecting certain cell signals.
research A Monoallelic Two-Hit Mechanism in PLCD1 Explains the Genetic Pathogenesis of Hereditary Trichilemmal Cyst Formation
A specific gene change plus an additional mutation in the same gene cause hereditary trichilemmal cysts.
research Determination of Finasteride and Its Metabolite in Urine by Dispersive Liquid-Liquid Microextraction Combined with Field-Enhanced Sample Stacking and Sweeping
New method accurately measures finasteride and M3 in urine, helping evaluate pharmacokinetics.