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.
Search
for
Sort by
Research
30 / 394 results 
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 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 Determination of Vitamin B3 Vitamer (Nicotinamide) and Vitamin B6 Vitamers in Human Hair Using LC-MS/MS
The method can measure vitamin B3 levels in human hair accurately.
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 A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
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 Development of a Liquid Chromatography/Mass Spectrometry-Based Inhibition Assay for Screening Steroid 5-Alpha Reductase in Human and Fish Cell Lines
A new method was created to test the effectiveness of Dihydrotestosterone (DHT) inhibitors, like finasteride and dutasteride, in human and fish cells. The results showed fish cells are more sensitive to these treatments, and dutasteride works better than finasteride in all tested cells.
research Influence of Saw Palmetto and Pygeum Africana Extracts on the Urinary Concentrations of Endogenous Anabolic Steroids: Relevance to Doping Analysis
Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
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 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.
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 Topical Delivery of Tofacitinib in Dermatology: The Promise of a Novel Therapeutic Class Using Biodegradable Dendritic Polyglycerol Sulfates
A new carrier improves skin delivery of tofacitinib for treating inflammatory skin diseases.
research Follicular Delivery of Caffeine from a Shampoo for Hair Retention
The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.
research Loss of ERBB2 and ERBB3 Receptors Impacts Epidermal Differentiation in Mice
Losing both ERBB2 and ERBB3 receptors in mice causes significant skin problems and inflammation.
research Unveiling the Potential of Sansevieria Trifasciata Prain Fraction for the Treatment of Androgenetic Alopecia by Inhibiting Androgen Receptors Based on LC-MS/MS Analysis and In-Silico Studies
Sansevieria trifasciata Prain shows promise for treating hair loss by inhibiting androgen receptors.
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 Caizhixuan Hair Tonic Regulates Both Apoptosis and the PI3K/Akt Pathway to Treat Androgenetic Alopecia
Caizhixuan hair tonic helps treat hair loss by promoting hair growth and improving hair follicles.
research Imaging of Zinc Oxide Nanoparticle Penetration in Human Skin In Vitro and In Vivo
Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.
research Immunological And Some Biological Biomarkers Investigation In Patients With Systemic Lupus Erythematosus
No single biomarker is reliable enough for diagnosing and assessing SLE.
research Cryogelation of Human Hair Keratins
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
research Adsorption of Diclofenac and PFBS on a Hair Keratin Dimer
Human hair keratin might be good for filtering out harmful substances from water.
research National Scientific Medical Meeting 1996 Abstracts
The document summarizes medical findings on topics like heart rhythm treatment, sleep apnea therapy, and various health conditions and treatments.
research Emulsifying Properties of Alpha-Chitin Nanofibrils Prepared by Aqueous Counter Collision
Chitin nanofibrils are better at stabilizing oil droplets in emulsions than cellulose nanofibrils.
research Thyroid Peroxidase Antibodies in Patients with Telogen Effluvium
Some people with chronic hair loss may have thyroid autoimmunity.
research Viewpoint 4
Skin patterns form through molecular signals and genetic factors, affecting healing and dermatology.
research Dual Tumors: Trichoadenoma of Nikolowski and Melanocytic Naevi
A person had two different benign skin tumors, a trichoadenoma and melanocytic naevi, at the same time but in different places on the face.
research Self-Assembly of Dermal Papilla Cells into Inductive Spheroidal Microtissues on Poly(Ethylene-Co-Vinyl Alcohol) Membranes for Hair Follicle Regeneration
EVAL membranes help create cell structures that can regrow hair follicles.
research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Recipient Area Hair Direction and Angle in Hair Transplanting
The paper concludes that copying the natural direction and angle of hair in transplants is key for a natural look and doesn't harm hair survival.