research In vivo penetration of bare and lipid-coated silica nanoparticles across the human stratum corneum
Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
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research Analytical methods of dutasteride: An overview
Dutasteride is more effective than finasteride for hair loss treatment.
research Study on Changes of 19 Steroids in Plasma From 9 Diagnosed Patients With P450 Oxidoreductase Deficiency
Certain hormone levels can help diagnose P450 oxidoreductase deficiency.
research Multi-omics empowered deep phenotyping of ulcerative colitis
Ulcerative colitis involves immune activation, chronic inflammation, and metabolic issues, some of which persist even during remission.
research Analysis of Mercury in Sequential Micrometer Segments of Single Hair Strands of Fish-Eaters
LA-ICP-MS can effectively track mercury exposure over time in hair.
research Human exposure to heavy metals over the last 100 years
People today have lower levels of arsenic, lead, cadmium, and iron in their hair than people did 100 years ago.
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 Inhibition of 3‐methylcrotonyl‐CoA carboxylase explains the increased excretion of 3‐hydroxyisovaleric acid in valproate‐treated patients
Valproic acid treatment increases a specific acid in urine by blocking an enzyme, possibly causing skin rash and hair loss.
research Exploring the Impact of the Microbiome on Neuroactive Steroid Levels in Germ-Free Animals
Gut microbes significantly affect brain steroid levels.
research How storage post sampling influences the stability of sebum when used for mass spectrometry metabolomics analysis?
Sebum samples remain stable under various storage conditions, making them suitable for remote and at-home testing.
research Improved forensic hair evidence for drugs of abuse by mass spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
research Identification of Finasteride Metabolites in Human Bile and Urine by High-Performance Liquid Chromatography/Tandem Mass Spectrometry
Finasteride breakdown products found in bile and urine, helps understand drug safety and effectiveness.
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 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 High-performance liquid chromatography–diode array and electrospray-mass spectrometry analysis of non-allowed substances in cosmetic products for preventing hair loss and other hormone-dependent skin diseases
The method effectively identifies banned substances in hair loss and skin disease cosmetics.
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 Liquid Chromatography-Mass Spectrometry-Based In Vitro Metabolic Profiling Reveals Altered Enzyme Expressions in Eicosanoid Metabolism
The method reliably profiles eicosanoids and shows epitestosterone reduces their levels, similar to common anti-inflammatory drugs.
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 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 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 Development of a Liquid Chromatography/Mass Spectrometry-Based Inhibition Assay for the Screening of Steroid 5-α 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 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 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 710 Use of mass spectrometry imaging and a full thickness 3D skin equivalent for evaluation of percutaneous absorption
The document concludes that various topical treatments show promise for skin conditions like atopic dermatitis, psoriasis, and hair loss.
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 Selected Steroids with Neuroactive Effects in Human Serum by Ultrahigh-Performance Liquid Chromatography–Tandem Mass Spectrometry
A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
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 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.
research Measurement of tamsulosin in human serum by liquid chromatography–tandem mass spectrometry
A reliable method was created to measure tamsulosin in human blood.