research Determination of EtG in Body Hair Samples for Monitoring Teetotalism: A Suitable Alternative to Scalp Hair?
Body hair can be used to test for alcohol intake, especially in men.
Search
for
Sort by
Research
60-90 / 1000+ results 
research Omics for Precious Rare Biosamples: Characterization of Ancient Human Hair by a Proteomic Approach
The study developed a method to analyze ancient hair proteins using very small samples.
research Proteomic Tools for the Investigation of Human Hair Structural Proteins and Evidence of Weakness Sites on Hair Keratin Coil Segments
Hair proteins have weak spots in their α-helical segments.
research LC-MS Bioanalytical Method for Simultaneous Determination of Latanoprost and Minoxidil in the Skin
Method measures latanoprost and minoxidil in skin accurately and precisely.
research LC/MS Analysis of Stratum Corneum Lipids: Ceramide Profiling and Discovery
A new, quick method was developed to analyze skin lipids, discovering a new ceramide subclass.
research Ex-Vivo Measurement of Scalp Follicular Infundibulum Delivery of Zinc Pyrithione and Climbazole from an Anti-Dandruff Shampoo
The method shows that zinc pyrithione and climbazole from anti-dandruff shampoo effectively reach the scalp.
research Evaluation of Contamination and Quantification of Drug Penetration Studies Using Quantitative Mass Spectrometry Imaging
QMSI effectively maps and quantifies drug distribution in skin tissues.
research Separation of Finasteride and Analogues
Finasteride and analogues separated using LC-MS-MS technique.
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 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 Finasteride Quantification in Human Plasma by High-Performance Liquid Chromatography Coupled to Electrospray Ionization Tandem Mass Spectrometry: Application to a Comparative Pharmacokinetics Study
New method measures finasteride in plasma, finds two formulations bioequivalent.
research Disturbed Sebum and Microbiome Composition in Sensitive Scalp
Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.
research Studies on the Persistence of Estradiol Benzoate and Nortestosterone Decanoate in Hair of Cattle Following Treatment with Growth Promoters, Determined by Ultra-High-Performance Liquid Chromatography–Tandem Mass Spectrometry
Detecting steroid esters in cattle hair is inconsistent and influenced by sampling factors.
research Development and Validation of Rapid and Simultaneous Method for Determination of 12 Hair-Growth Compounds in Adulterated Products by UHPLC-MS/MS
Researchers created a reliable method to detect hair-growth substances in products.
research Profiling Steroid and Thyroid Hormones with Hair Analysis in a Cohort of Women Aged 25 to 45 Years Old
The method can measure multiple hormones in women's hair and may help identify hormone-related health issues.
research Perturbations in Fatty Acid Metabolism and Collagen Production Infer Pathogenicity of a Novel MBTPS2 Variant in Osteogenesis Imperfecta
A new MBTPS2 gene variant disrupts fat metabolism and collagen production, causing Osteogenesis imperfecta.
research Micro-Segmental Analysis of the Entry Pathway and Distribution of Zolpidem in Hair From Different Scalp Regions After a Single Dose
Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
research A Rapid, Simple, Liquid Chromatographic-Electrospray Ionization, Ion Trap Mass Spectrometry Method for the Determination of Finasteride in Human Plasma and Its Application to Pharmacokinetic Study
research A Rapid, Simple, Specific Liquid Chromatographic–Electrospray Mass Spectrometry Method for the Determination of Finasteride in Human Plasma and Its Application to Pharmacokinetic Study
Method measures finasteride in plasma, suitable for pharmacokinetic studies.
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 LC-APCI+-MS/MS Method for the Analysis of Ten Hormones and Two Endocannabinoids in Plasma and Hair from Mice with Different Gut Microbiota
The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.
research Stability Study of Finasteride: Stability-Indicating LC Method, In Silico and LC-ESI-MS Analysis of Major Degradation Product, and an In Vitro Biological Safety Study
Finasteride's stability and safety confirmed through precise analytical methods.
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 A Fast and Efficient UPLC-ESI-MS/MS Method for Detection, Identification, and Quantitative Analysis of Bioactive Substances in Medicinal Herbal Extracts for Preventing Hair Loss
Researchers developed a quick and sensitive method to identify and measure hair growth-promoting substances in a herbal mix.
research Determination of Finasteride in Human Plasma by Liquid Chromatography-Electrospray Ionization Tandem Mass Spectrometry with Flow Rate Gradient
Researchers developed a quick and sensitive way to measure finasteride in blood using a small sample size.
research Phytochemical Profiling and Evaluation of the Anti-Aging and Anti-Inflammatory Potential of Cultivated Eclipta Alba (L.)
Eclipta alba has anti-aging and anti-inflammatory properties, making it a potential ingredient for cosmetics.
research GC-TOF/MS-Based Metabolomics for Comparison of Volar and Non-Volar Skin Types
Different types of skin on mice have unique chemical profiles related to how they grow and react to stress.
research Chemical Profiling and Quantitation of Bioactive Compounds in Platycladi Cacumen by UPLC-Q-TOF-MS/MS and UPLC-DAD
Researchers identified new compounds in Platycladi Cacumen and found variations in its flavonoid content, which could aid in its quality control.
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 Illegally Added Chemical Ingredients in Hair Loss Prevention Cosmetics by Ultra-Performance Liquid Chromatography-Quadrupole-Time of Flight Mass Spectrometry
A new method can quickly and accurately detect illegal chemicals in hair loss products.