research Development of a new gas chromatography–mass spectrometry (GC–MS) methodology for the evaluation of 5α-reductase activity
A new method was developed to accurately measure enzyme activity related to prostate health.
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330-360 / 1000+ resultsresearch A systematic method for the sensitive and specific determination of hair lipids in combination with chromatography
A new method accurately measures hair lipids, revealing individual differences.
research Separation of finasteride and analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Determination of Residual Organic Solvents in Finasteride Raw Materials by Headspace Capillary Gas Chromatography
The method effectively detects residual solvents in finasteride raw materials.
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 LC-MS/MS improves screening towards 21-hydroxylase deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
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.
research Determination of pyrrolizidine alkaloids in dietary sources using a spectrophotometric method
A new method effectively detects toxic pyrrolizidine alkaloids in honey and flour.
research Limits of Visual Detection for Finasteride Polymorphs in Prepared Binary Mixtures: Analysis by X‐ray Powder Diffraction
research An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 5-alpha-dihydrotestosterone in human serum and plasma
The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
research Solid-Phase Microextraction and Related Techniques in Bioanalysis
research GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl–trimethylsilyl derivatisation
The method accurately measures certain steroids in human hair, showing different levels in males and females.
research STUDY ON EXTRACTION OF L-CYSTINE BY ACID-HYDROLYSIS OF HAIRS
research Determination of finasteride in human serum by LC-MS/MS
A reliable method was developed to measure finasteride levels in human serum.
research Force-triggered density gradient sedimentation and cocktail enzyme digestion treatment for isolation of single dermal papilla cells from follicular unit extraction harvesting human hair follicles
New methods efficiently isolate dermal papilla cells from hair follicles, preserving their characteristics better than traditional methods.
research Dihydroartemisinin loaded nanostructured lipid carriers (DHA-NLC): evaluation of pharmacokinetics and tissue distribution after intravenous administration to rats.
DHA-NLC may improve drug delivery and reduce side effects for cancer treatment.
research Characterization of spironolactone and metabolites derivatized using Girard's reagent P using mass spectrometry and ion mobility spectrometry
Girard's reagent P improves detection of spironolactone and its metabolites.
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 Ultrahigh-Power Sonicator Lysis Enables Deep ProteomicProfiling of Hair Shafts for Fetal Growth Restriction Biomarker Discovery
A new method helps find proteins in hair to identify fetal growth issues.
research Design and Validation of a Sensitive Multisteroid LC-MS/MS Assay for the Routine Clinical Use: One-Step Sample Preparation with Phospholipid Removal and Comparison to Immunoassays
The new LC-MS/MS method is more accurate and reliable than traditional immunoassays for measuring steroids in serum.
research Determination of finasteride in healthy volunteers by optimized liquid chromatography-tandem spectrometry
The method accurately measures finasteride levels in the body.
research A rapid, simple, specific liquid chromatographic–electrospray mass spectrometry method for the determination of finasteride in human plasma and its application to pharmacokinetic study
Method measures finasteride in plasma, suitable for pharmacokinetic studies.
research Establishing and Verifying a Robust Liquid Chromatography-Tandem Mass Spectrometry Method to Simultaneously Measure Seven Androgens Present in Plasma Samples
The method accurately measures seven androgens in plasma and shows different hormone levels in females with acne and obesity.
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.
research Two-dimensional electrophoretic analysis of human hair keratins, especially hair matrix proteins
The method effectively analyzes human hair proteins, especially nonfilamentous ones.
research Beyond Spectral Similarity: How to Distinguish Polymorphs with Similar Solid‐State Circular Dichroism Anisotropy Spectra?
A new method using solid-state circular dichroism anisotropy can distinguish similar chiral compounds better than traditional techniques.
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 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 Fully automated chip-based nanoelectrospray ionization-mass spectrometry as an effective tool for rapid and high-throughput screening of 5α-reductase inhibitors
research A quantitative ultra-performance liquid chromatography high-resolution mass spectrometry analysis of steroids from human scalp hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.