research Silver Oxide Based Nanoparticle Assisted Laser Desorption/Ionization Mass Spectrometry for the Detection of Low Molecular Weight Compounds
Silver oxide nanoparticles help detect small molecules effectively.
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480-510 / 1000+ resultsresearch Gas chromatography/mass spectrometry based hair steroid profiling may reveal pathogenesis in hair follicles of the scalp
Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.
research Liquid Chromatography-Mass Spectrometry Based Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated L-Cysteine
Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
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 An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of dehydroepiandrosterone sulfate in human serum and plasma
A new method accurately measures DHEAS in blood, improving on current tests.
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 Study on the Efficacy and Potential Mechanism of Topical Shen Bai Hair Growing Decoction against Androgenetic Alopecia Based on Ultrahigh Performance Liquid Chromatography Quadrupole Time-of-Flight Mass Spectrometry and RNA-seq
The Shen Bai Hair Growing Decoction may help treat hair loss by promoting hair growth and reducing inflammation.
research Isotope Dilution-Based Targeted and Nontargeted Carbonyl Neurosteroid/Steroid Profiling
Researchers created a new method to measure brain steroids, finding higher levels of certain steroids and changes due to a drug.
research Comparative GC-MS Based In vitro Assays of 5α-Reductase Activity Using Rat Liver S9 Fraction
The S9 fraction with GC-IDMS is effective for measuring 5α-reductase activity.
research LC‐MS/MS‐based method for long‐term steroid profiling in human scalp hair
A new method accurately measures long-term steroid levels in human hair.
research LC-MS/MS-based reference intervals for hair cortisol in healthy children
Hair cortisol levels change with age, starting high at birth, decreasing until age 6, then rising to adult levels by age 18.
research Sex Steroids, Precursors, and Metabolite Deficiencies in Men With Isolated Hypogonadotropic Hypogonadism and Panhypopituitarism: A GCMS-Based Comparative Study
Men with isolated hypogonadotropic hypogonadism have partial steroid deficiencies, while those with panhypopituitarism have severe deficiencies.
research Congenital Adrenal Hyperplasia-Current Insights in Pathophysiology, Diagnostics, and Management.
Advancements in understanding, diagnosing, and managing congenital adrenal hyperplasia have improved treatment and long-term outcomes.
research Sphingolipid Metabolites Profiling in Hair Growth
DHCer levels in hair could be a biomarker for alopecia progression.
research Congenital Adrenal Hyperplasia—Current Insights in Pathophysiology, Diagnostics, and Management
Early diagnosis and individualized treatment improve outcomes for Congenital Adrenal Hyperplasia.
research Medicated hair oil formulation and positive effect on dandruff control with hair growth
The medicated hair oil controls dandruff and promotes hair growth.
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 Simultaneous determination of androgens and prostaglandins in human urine using ultra-high-performance liquid chromatography–tandem mass spectrometry
Researchers developed a quick and accurate method to measure hormones in urine, confirming a baldness treatment's effectiveness without altering hormone levels.
research Determination of 19 Steroid Hormones in Human Serum and Urine Using Liquid Chromatography-Tandem Mass Spectrometry
The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
research Androgen Profiling by Liquid Chromatography–Tandem Mass Spectrometry (LC-MS/MS) 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 Simultaneous determination of seven prohibited substances in cosmetic products by liquid chromatography–tandem mass spectrometry
The method effectively identifies and measures seven banned substances in cosmetics.
research Quantification of biotin in plasma samples by column switching liquid chromatography – tandem mass spectrometry
The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
research Altered Hormone and Bioactive Lipid Plasma Profile in Rodent Models of Polycystic Ovarian Syndrome Revealed by Targeted Mass Spectrometry
Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
research Altered Hormone and Bioactive Lipid Plasma Profile in Rodent Models of Polycystic Ovarian Syndrome Revealed by Targeted Mass Spectrometry
Rodent models of PCOS show some similar and some different lipid changes compared to humans.
research Long-term detection of methyltestosterone (ab-) use by a yeast transactivation system
A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
research Different localizations of drugs simultaneously administered in a strand of hair by micro‐segmental analysis
Drugs localize differently in hair strands based on their properties.
research Extraction of keratin particles as intact protein sequences from chicken feathers and their characterization
Keratin from chicken feathers can be safely used on damaged skin.
research Extraction of keratin particles as intact protein sequences from chicken feathers and their characterization
Keratin from chicken feathers can be safely used for skin benefits.
research Synthesis of Analogues of Cercidin, an Antimicrobial Compound of Cercidiphyllum japonicum : Glycosylation of Methyl Gallate with Ulosyl Bromides
Researchers created 10 new compounds similar to cercidin, which could lead to new antibiotics.