research Matrix Effect in Quantitative LC/MS/MS Analyses of Biological Fluids: A Method for Determination of Finasteride in Human Plasma at Picogram Per Milliliter Concentrations
Method detects finasteride in plasma at very low concentrations.
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research Determination of Vitamin B3 Vitamer (Nicotinamide) and Vitamin B6 Vitamers in Human Hair Using LC-MS/MS
The method can measure vitamin B3 levels in human hair accurately.
research LC-MS/MS Improves Screening Towards 21-Hydroxylase Deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
research Simultaneous LC-MS/MS Quantification of Glucocorticoids, Melatonin, and Its Metabolites in Hair
The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.
research Matrix Matching in Quantitative Bioanalysis by LC-MS/MS: A Dream or a Reality?
Accurate quantitative bioanalysis using LC-MS/MS is challenging due to matrix effects, but using internal standards and new methods like in-sample calibration could improve results.
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 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 Unveiling the Potential of Sansevieria Trifasciata Prain Fraction for the Treatment of Androgenetic Alopecia by Inhibiting Androgen Receptors Based on LC-MS/MS Analysis and In-Silico Studies
Sansevieria trifasciata Prain shows promise for treating hair loss by inhibiting androgen receptors.
research LC/MS Analysis of Stratum Corneum Lipids: Ceramide Profiling and Discovery
A new, quick method was developed to analyze skin lipids, discovering a new ceramide subclass.
research LC-APCI+-MS/MS Method for the Analysis of Ten Hormones and Two Endocannabinoids in Plasma and Hair from 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 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 LC-MS Bioanalytical Method for Simultaneous Determination of Latanoprost and Minoxidil in the Skin
Method measures latanoprost and minoxidil in skin accurately and precisely.
research Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS
Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
research Stability Study of Finasteride: Stability-Indicating LC Method, In Silico and LC-ESI-MS Analysis of Major Degradation Product, and an In Vitro Biological Safety Study
Finasteride's stability and safety confirmed through precise analytical methods.
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.
research Determination of Finasteride in Human Serum by LC-MS/MS
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 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 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 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 Separation of Finasteride and Analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Matrix Effects And Application Of Matrix Effect Factor
Matrix effects in LC-MS can be managed but not completely avoided.
research The Polycystic Ovary Syndrome: A Position Statement from the European Society of Endocrinology
The European Society of Endocrinology advises individualized long-term management for PCOS, focusing on lifestyle changes, accurate diagnosis, and treatments for associated health risks and symptoms.
research Congenital Adrenal Hyperplasia: Current Insights in Pathophysiology, Diagnostics, and Management
Early diagnosis and individualized treatment improve outcomes for Congenital Adrenal Hyperplasia.
research Androgen Profile Through Life in Women With Polycystic Ovary Syndrome: A Nordic Multicenter Collaboration Study
Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.
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
Detecting steroid esters in cattle hair is inconsistent and influenced by sampling factors.
research Management of Endocrine Disease: Hyperandrogenic States in Women - Pitfalls in Laboratory Diagnosis
Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
research New Biomarkers to Evaluate Hyperandrogenemic Women and Hypogonadal Men
The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
research Comparative Proteomic Analysis in Scar-Free Skin Regeneration in Acomys Cahirinus and Scarring Mus Musculus
The African spiny mouse heals skin without scarring due to different protein activity compared to the common house mouse, which heals with scarring.
research Measurement of Steroid Hormones by Liquid Chromatography-Tandem Mass Spectrometry with Small Amounts of Hair
A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.