research Incorporation of Isotopically Labeled Cocaine and Metabolites into Human Hair: Dose-Response Relationships
Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
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30-60 / 589 results research The Tale of Stress: An Exploratory Analysis of Cortisol Levels in the Tail Hair of Captive Asian Elephants
Elephant tail-hair can show past stress levels, matching times when stressful events happened.
research Kinetic Analysis of LY320236: Competitive Inhibitor of Type I and Non-Competitive Inhibitor of Type II Human Steroid 5α-Reductase
LY320236 is a strong blocker of two enzymes that change testosterone into dihydrotestosterone and might help treat conditions related to male hormones.
research The Reduction of Selenium(IV) by Boreal Pseudomonas sp. Strain T5-6-I – Effects on Selenium(IV) Uptake in Brassica oleracea
Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
research Herding Practices in the Keriya Valley (Xinjiang, China) During the Bronze and Iron Ages Using Stable Isotopic Analysis of Animal Hair
Ancient herders in the Keriya Valley fed their animals mainly C3 plants, with some C4 plant feeding possibly due to herd movement or seasonal changes.
research Production Rates of Testosterone and Dihydrotestosterone in Female Pattern Hair Loss
Women with female-pattern baldness produce more testosterone, but 5a-reductase inhibition treatment won't help.
research Selective and Rapid Determination of Tadalafil and Finasteride Using Solid Phase Extraction by High Performance Liquid Chromatography and Tandem Mass Spectrometry
Quick, selective detection of tadalafil and finasteride in human plasma developed.
research Anti-Doping Testing at FIFA World Cup 2022
All samples tested negative for banned substances, ensuring competition integrity.
research High Resolution Full Scan Liquid Chromatography Mass Spectrometry Comprehensive Screening in Sports Antidoping Urine Analysis
The method effectively detects banned substances in urine for sports antidoping.
research Simultaneous Determination of Multi-Class Active Pharmaceutical Ingredients by UHPLC-HRMS
A new method was developed to accurately detect and measure 47 different drug ingredients in various products.
research Androgenic Alopecia: Case Study and Treatment Analysis
Androgenic Alopecia, a common hair loss condition, can be effectively treated with finasteride and other treatments.
research Simultaneous Quantitation of Nine Hydroxy-Androgens and Their Conjugates in Human Serum by Stable Isotope Dilution Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry
A new method accurately measures nine specific hormones in human blood.
research Towards Best Practice in Hair Metabolomic Studies: Systematic Investigation on the Impact of Hair Length and Color
Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.
research Matrix Effects And Application Of Matrix Effect Factor
Matrix effects in LC-MS can be managed but not completely avoided.
research Advances and Challenges in Plant Sterol Research: Fundamentals, Analysis, Applications and Production
Plant sterols have health benefits like lowering cholesterol, but more research is needed to understand their effects and improve their extraction and sustainability.
research Chrysanthemum Species Used as Food and Medicine: Understanding Quality Differences on the Global Market
Some Chrysanthemum samples from the USA, Europe, and China differ in quality and some contain harmful cadmium.
research Influence of Saw Palmetto and Pygeum Africana Extracts on the Urinary Concentrations of Endogenous Anabolic Steroids: Relevance to Doping Analysis
Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
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 Dyeing Regions of Oxidative Hair Dyes in Human Hair Investigated by Nanoscale Secondary Ion Mass Spectrometry
Hair dye colors mainly target melanin granules in black hair.
research Improving Human Forensics Through Advances in Genetics, Genomics, and Molecular Biology
DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.
research Measurement of Hair Growth
Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
research Separation of Finasteride and Analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Phytochemical Screening and Antimicrobial Effects of Musa Acuminata Bract
Banana bract extract might treat bacterial infections and help reduce waste.
research Two Hydroxyproline Galactosyltransferases, GALT5 and GALT2, Function in Arabinogalactan-Protein Glycosylation, Growth, and Development in Arabidopsis
GALT5 and GALT2 are important for plant growth and development because they help with protein glycosylation.
research An Approach to the Patient with Hirsutism
The document concludes with guidance for doctors on diagnosing and treating hirsutism effectively and safely.
research Simultaneous Determination of 30 Hormones Illegally Added to Anti-Aging Functional Foods Using UPLC-MS/MS Coupled with SPE Clean-Up
New method effectively detects illegal hormones in anti-aging foods.
research Citrullinome of Porphyromonas Gingivalis Outer Membrane Vesicles: Confident Identification of Citrullinated Peptides
Citrullinated proteins from Porphyromonas gingivalis may contribute to rheumatoid arthritis.
research A New Spectrophotometric Method for the Determination of Finasteride in Tablets
New method accurately measures finasteride in tablets.
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 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.