research New Insights Into Human Hair: SAXS, SEM, TEM, and EDX for Alopecia Areata Investigations
Alopecia Areata causes significant structural and compositional changes in hair.
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30-60 / 1000+ resultsresearch Accumulations of Calcium and Phosphorus in the Core of Hairs from Taklamakan Desert Mummies
Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
research Matrix Effects And Application Of Matrix Effect Factor
Matrix effects in LC-MS can be managed but not completely avoided.
research Influence of Pigmentation on the Codeine Content of Hair Fibers in Guinea Pigs
Darker hair in guinea pigs holds more codeine than lighter hair.
research Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS
Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
research Metal Doped Keratin Film Standard for LA-ICP-MS Determination of Lead in Hair Samples
A new method accurately measures lead levels in hair to assess exposure.
research Untargeted Scanning of Hair for Drugs of Abuse by Direct Analysis in Real Time–High-Resolution Mass Spectrometry
A new method can quickly and accurately detect drugs in hair.
research Ultra-Performance Liquid Chromatography with Electrospray Ionization Tandem Mass Spectrometry for the Determination of Ketoconazole in Anti-Dandruff Shampoo
The method accurately measures the amount of ketoconazole in anti-dandruff shampoo and cream, and can also be used to monitor the drug in human plasma.
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 Electrochemical Determination of Minoxidil in Different Pharmaceutical Formulations by Flow Injection Analysis
Method accurately measures minoxidil concentration in medicines.
research Determination of Minoxidil by Bleaching the Permanganate Carrier Solution in a Flow-Based Spectrophotometric System
The method quickly and accurately measures minoxidil in drugs, comparable to standard techniques.
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.
research Segmental Hair Analysis for 11-Nor-9-Tetrahydrocannabinol-9-Carboxylic Acid and the Patterns of Cannabis Use
THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
research Quality Evaluation of Minoxidil Topical Solutions Obtained from Magistral Pharmacies
Magistral pharmacies had issues with production quality and dosage accuracy.
research Examination of the Elemental Composition of Hair in Cholelithiasis, Kidney Stones, Hypertension, and Diabetes by Scanning Electron Microscopy and Energy Dispersive Spectrometry
The study did not conclude whether hair can reliably indicate kidney stones, cholelithiasis, hypertension, or diabetes.
research Influence of Chemical Straightening on the Stability of Drugs of Abuse in Hair
Chemical hair straightening significantly reduces detectable drug levels in hair.
research Determination of Finasteride and Its Metabolite in Urine by Dispersive Liquid-Liquid Microextraction Combined with Field-Enhanced Sample Stacking and Sweeping
New method accurately measures finasteride and M3 in urine, helping evaluate pharmacokinetics.
research Analytical Methods of Dutasteride: An Overview
Dutasteride is more effective than finasteride for hair loss treatment.
research Hair Regeneration Using Microneedle-Assisted Human Basic Fibroblast Growth Factor
Microneedle-assisted therapy with human basic fibroblast growth factor significantly regrew hair in patients with hair loss.
research Development of a DNA-Analytical Method for the Identification of Animal Hair Fibers in Textiles
Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
research Application of Different Analytical Techniques and Microbiological Assays for the Analysis of Macrolide Antibiotics from Pharmaceutical Dosage Forms and Biological Matrices
Future work on macrolide antibiotic analysis will aim to enhance selectivity, sensitivity, and efficiency using advanced chromatographic methods.
research Workplace Drug Testing Using Hair Samples
Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
research Review of Fluconazole Properties and Analytical Methods for Its Determination
Fluconazole is an effective antifungal medication with potential side effects and lacks official analytical methods for its determination.
research Review of Fluconazole Properties and Analytical Methods for Its Determination
The document concludes that validated methods are needed to ensure the quality of fluconazole drugs and that new antifungal medications are necessary due to safety and resistance concerns.
research Potentiometric Determination of Minoxidil in Topical Use Pharmaceutical Samples
Scientists developed a cheaper, but slower, method to measure minoxidil in hair loss treatments with high accuracy.
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 SEM/SDD-EDS: An Analytical Tool to Identify Waterborne Micro Minerals Pickup in Human Scalp Hair Cuticle Due to Water Quality
Water quality affects mineral content in hair, and coconut oil can protect against damage.
research Testosterone-Like Immunoreactivity in Hair Measured in Minute Sample Amounts: A Competitive Radioimmunoassay with an Adequate Limit of Detection
The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
research Comparison of Artificial Sebum with Human and Hamster Sebum Samples
Artificial sebum L closely mimics human sebum for drug delivery research.
research Natural Molecules in the Management of Polycystic Ovary Syndrome: An Analytical Review
Natural molecules like inositols, resveratrol, vitamins, and omega-3 fatty acids may help manage Polycystic Ovary Syndrome (PCOS), but their effects vary and need more exploration.