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 / 578 results research Phenotypic Analysis of T-Cells in Extensive Alopecia Areata Scalp Suggests Partial Tolerance
T-cells in alopecia areata scalp show abnormal regulation, leading to less inflammation.
research Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
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 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 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 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 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 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 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 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 The Diagnosis of Polycystic Ovary Syndrome: The Criteria Are Insufficiently Robust for Clinical Research
The current methods for diagnosing polycystic ovary syndrome are too vague and may lead to misdiagnosis and problems in research.
research Protective Effects of Melatonin Against Metabolic and Reproductive Disturbances in Polycystic Ovary Syndrome in Rats
Melatonin may help treat PCOS symptoms in rats.
research Gender Differences in Skin Aging and the Changing Profile of the Sex Hormones with Age
The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.
research Differential Proteomics of Lesional vs. Non-Lesional Biopsies Revealed Non-Immune Mechanisms of Alopecia Areata
Non-immune factors play a significant role in alopecia areata.
research Rapid Determination of Finasteride in Human Plasma by UPLC-MS/MS and Its Application to Clinical Pharmacokinetic Study
New method measures finasteride in blood quickly and accurately.
research Aromatic C-Nitrosation of a Bioactive Molecule: Nitrosation of Minoxidil
Minoxidil reacts to nitrosation 7 times more than phenol, mainly due to its -NH₂ groups, leading to the creation of N-nitrosominoxidil.
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 Effects of Mycorrhizal Fungi on Plant Growth, Nutrient Absorption, and Phytohormone Levels in Tea Under Shading Conditions
Mycorrhizal fungi and shading improve tea plant growth and nutrient uptake by changing hormone levels and gene expression.
research Matrix Effects And Application Of Matrix Effect Factor
Matrix effects in LC-MS can be managed but not completely avoided.
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 Finasteride Delays Atherosclerosis Progression in Mice and Is Associated With a Reduction in Plasma Cholesterol in Men
Finasteride may lower cholesterol and slow heart disease progression.
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 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 Pharmacophore Modeling and Three Dimensional Database Searching for Drug Design Using Catalyst: Recent Advances
The document concludes that Catalyst software is effective for drug design, identifying potent compounds for various medical conditions.
research Markers of Epidermal Stem Cell Subpopulations in Adult Mammalian Skin
The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.
research An Approach to the Patient with Hirsutism
The document concludes with guidance for doctors on diagnosing and treating hirsutism effectively and safely.
research Synthesis and Characterization of Inclusion Complex of the Vasodilator Drug Minoxidil with β-Cyclodextrin
Minoxidil mixed with β-cyclodextrin improves solubility and gradual release.