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.
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30 / 1000+ results research Matrix effects and application of matrix effect factor
Matrix effects in LC-MS can be managed but not completely avoided.
research Dissolving microneedles incorporating kopexil multicomponent crystals for improved transdermal delivery
Multicomponent crystals in microneedles improve drug delivery for hair loss treatment.
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 Simultaneous Determination of Selected Steroids with Neuroactive Effects in Human Serum by Ultrahigh-Performance Liquid Chromatography–Tandem Mass Spectrometry
A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
research Quantitative analysis of finasteride tablets dissolution content with non-isotopically labeled internal standard by paper spray ionization mass spectrometry
PSI-MS quickly and accurately measures finasteride in tablets, helping with quality control.
research Matrix matching in quantitative bioanalysis by LC–MS/MS a dream or a reality?
Accurate quantitative bioanalysis using LC-MS/MS is challenging due to matrix effects, but using internal standards and new methods like in-sample calibration could improve results.
research Hair growth rate estimation in North American ursids
Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
research Solid state NMR of isotope labelled murine fur: a powerful tool to study atomic level keratin structure and treatment effects
Solid-state NMR can effectively study keratin structure and treatment effects in fur.
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 Targeted Determination of Residual Sex Hormones in Cosmetics Using Magnetic Solid-Phase Extraction with Isotope-Labeled Internal Standards by UHPLC-MS/MS
A new method effectively detects trace sex hormones in cosmetics, ensuring safety.
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 Chemical Mechanism of the Covalent Modification of 5.alpha.-Reductases by Finasteride as Probed by Secondary Tritium Isotope Effects
Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.
research Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated Flutamide using LC-MS and GC-MS Spectrometry
Energy healing treatment improved flutamide's solubility and stability, potentially enhancing its effectiveness for prostate cancer.
research Structural and dynamic insights into substrate binding and catalysis of human lipocalin prostaglandin D synthase
The research explains how a human enzyme binds and processes its substrate, which could relate to its role in biological functions and hair loss.
research Development of a new GC–MS/MS method for the determination of metformin in human hair
A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
research Structural & functional studies of L-PGDS and SMPDL3A enzymes in lipid signaling family
L-PGDS has specific binding sites for its functions and could help in drug delivery system design.
research Elemental hair analysis: A review of procedures and applications
Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
research Segmental analysis of human hair reveals intra-annual variation in 25(OH)D3 concentrations in modern and archaeological individuals
Hair analysis can show changes in vitamin D levels over time.
research Liquid Chromatography-Mass Spectrometry Based Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated L-Cysteine
Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
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 Stable C and N isotope analysis of hair suggest undernourishment as a factor in the death of a mummified girl from late 19th century San Francisco, CA
The mummified girl likely died from undernourishment and illness.
research The influence of sulfur and hair growth on stable isotope diet estimates for grizzly bears
Sulfur slightly improved diet estimates for grizzly bears, but hair growth timing varied, affecting results.
research High-resolution stable isotope profiles of modern elephant (Loxodonta africana) tusk dentin and tail hair from Kenya: Implications for identifying seasonal variability in climate, ecology, and diet in ancient proboscideans
Elephant tusks and hair reveal seasonal diet and climate changes.
research Nitrogen and carbon isotope signatures in cattle hair
Cattle hair isotope analysis can reveal diet and farm system characteristics.
research Type 2 innate immunity regulates hair follicle homeostasis to control Demodex pathosymbionts
A specific immune response helps control mite populations on the skin, maintaining healthy hair follicles.
research Crystal Structure and Synthesis of 17α-Hexanoyloxy-16β-methylpregna-4,6-diene-3,20-dione
A new compound that could treat various androgen-related conditions was created and analyzed.
research Carbon, nitrogen, and sulfur elemental and isotopic variations in mouse hair and bone collagen during short-term graded calorie restriction
Calorie restriction changes the elemental and isotopic makeup of mouse hair and bone.
research Innate type 2 immunity controls hair follicle commensalism by Demodex mites
Type 2 immunity helps control mite growth in hair follicles, preventing damage.
research Bioarchitectural Design of Bioactive Biopolymers: Structure–Function Paradigm for Diabetic Wound Healing
Bioactive biopolymers can improve diabetic wound healing by enhancing tissue regeneration.