research Development of MALDI-TOF-MS and MALDI-MSI methods for hair analysis and evaluation of cosmetic treatments
Argan, avocado, and coconut oils are absorbed into hair, improving hydration and protection.
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research Rapid determination and quantification of hair-growth compounds in adulterated products by ultra HPLC coupled to quadrupole-orbitrap MS
About 21% of tested hair loss supplements contained illegal synthetic drugs.
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 Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated Flutamide using LC-MS and GC-MS Spectrometry
Energy healing treatment improved flutamide's solubility and stability, potentially enhancing its effectiveness for prostate cancer.
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 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 Analysis of metabolic characteristics of epristeride in zebrafish based on LC-Q-TOF MS and its potential applications in doping control
Epristeride's metabolism in zebrafish helps improve doping detection methods.
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 Proteomic analysis of balding and non-balding mesenchyme-derived dermal papilla cells from androgenetic alopecia patients using on-line 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 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 Quantitative analysis of 34 sex (pro)hormones, conjugates and bioactive oxidation products thereof in human plasma by GC- and LC-MS/MS and systematic investigation of overestimations of analyte concentrations not accounted for by method validation
The method accurately measures sex hormones in human plasma but can have small errors.
research Determination of cortisone and cortisol in human scalp hair using an improved LC-MS/MS-based method
Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
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 Unrevealing 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 the 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 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.
research Rapid Analysis of the Chemical Composition of Xiaoban Kangfu Capsules Based on UHPLC-Q-Exactive Orbitrap MS/MS Combined with Molecular Networks
Xiaoban Kangfu capsules contain compounds that may help with antioxidants, reducing inflammation, and promoting hair growth.
research Comparative Analysis of Differential Metabolites in Panax quinquefolius From China and the United States Using UPLC‐Orbitrap‐MS and LC‐MS/MS
American and Chinese ginseng have distinct metabolic profiles that help identify their origin.
research Targeted Determination of Residual Sex Hormones in Cosmetics Using Magnetic Solid-Phase Extraction with Isotope-Labeled Internal Standards by UHPLC-MS/MS
A new method effectively detects trace sex hormones in cosmetics, ensuring safety.
research Analysis of hormone antagonists in clinical and municipal wastewater by isotopic dilution liquid chromatography tandem mass spectrometry
Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.
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 Omics for Precious Rare Biosamples: Characterization of Ancient Human Hair by a Proteomic Approach
The study developed a method to analyze ancient hair proteins using very small samples.
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 UHPLC/Q-TOFMS-based plasma metabolomics of polycystic ovary syndrome patients with and without insulin resistance
The research found different metabolism changes in PCOS patients and suggested new potential markers for diagnosing PCOS with or without insulin resistance.
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 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 Close correlation between hyperandrogenism and insulin resistance in women with polycystic ovary syndrome—Based on liquid chromatography with tandem mass spectrometry measurements
Women with PCOS who have high male hormone levels often also have insulin resistance.
research Measurement of Steroid Hormones in Hair: an Analysis of Hormone Dynamics in Hair Follicles
The method accurately measures steroid hormones in hair to study hormone dynamics related to hair loss.