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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research Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research Unraveling Childhood Tinea Capitis: A Multi-Dimensional Investigation Using Dermoscopy, Scanning Electron Microscopy, and Mass Spectrometry
Tinea capitis in a child was caused by a fungus from cats, highlighting the need for accurate diagnosis and treatment.
research Transcriptome Sequencing and Mass Spectrometry Reveal Genes Involved in Non-Mendelian Inheritance-Mediated Feather Growth Rate in Chickens
The research found specific genes and proteins that affect how fast chickens' feathers grow, which is not solely determined by traditional inheritance patterns.
research Determination of Some Sex Hormones in Health Supplements by Liquid Chromatography with Tandem Mass Spectrometry
The method detected sex hormones in some health supplements, with one containing banned testosterone.
research Improved Two-Dimensional Electrophoretic Mapping of Japanese Human Hair Proteins; Application to Curved and Straight Japanese Human Hairs; and Protein Identification by MALDI MS and MS/MS Quadrupole Time-of-Flight Mass Spectrometry
The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
research Liquid Chromatography-Mass Spectrometry Applied to the Identification and Quantification of Animal Hair Fibers in Textile Products
Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
research Evaluation of Contamination and Quantification of Drug Penetration Studies Using Quantitative Mass Spectrometry Imaging
QMSI is a valuable method for studying drug penetration in skin tissues.
research MALDI Imaging Mass Spectrometry of Skin: Aspects of Sample Preparation
MALDI Imaging Mass Spectrometry is a useful method for studying skin conditions, but sample preparation is crucial for accurate results.
research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
research Identification of Finasteride Metabolites in Human Bile and Urine by High-Performance Liquid Chromatography/Tandem Mass Spectrometry
Finasteride breakdown products found in bile and urine, helps understand drug safety and effectiveness.
research Analytical Method for the Biomonitoring of Bisphenols and Parabens by Liquid Chromatography Coupled to Tandem Mass Spectrometry in Human Hair
A new method accurately detects bisphenols and parabens in human hair.
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 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 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 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 High-Performance Liquid Chromatography–Diode Array and Electrospray-Mass Spectrometry Analysis of Non-Allowed Substances in Cosmetic Products for Preventing Hair Loss and Other Hormone-Dependent Skin Diseases
The method effectively identifies banned substances in hair loss and skin disease cosmetics.
research Phytochemical Analyses of Ziziphus Jujuba Mill. Var. Spinosa Seed by Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectrometry and Gas Chromatography-Mass Spectrometry
The study found that Ziziphus jujuba seeds contain beneficial compounds for treating insomnia and anxiety and that the methods used are effective for assessing their quality.
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 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 Revisiting Hyper- and Hypo-Androgenism by Tandem Mass Spectrometry
The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
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.
![Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method](/images/research/0026b639-99a8-455a-a986-c39aa65abfa9/small/2087.jpg)
research Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method
Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
research Metabolic Study of Androsta-1,4,6-Triene-3,17-Dione in Horses Using Liquid Chromatography/High Resolution Mass Spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
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 Measurement of Steroid Hormones by Liquid Chromatography-Tandem Mass Spectrometry with Small Amounts of Hair
A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
research Secondary Ion Mass Spectrometric Investigation of Penetration of Coconut and Mineral Oils into Human Hair Fibers: Relevance to Hair Damage
Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
research Structural Characterization of Cyclosporin A, C, and Microbial Bio-Transformed Cyclosporin A Analog AM6 Using HPLC–ESI–Ion Trap-Mass Spectrometry
Researchers developed a method to identify and analyze cyclosporin compounds and their structures effectively.
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 A Quantitative Ultra-Performance Liquid Chromatography High-Resolution Mass Spectrometry Analysis of Steroids from Human Scalp Hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.