research Comparative Analysis of Differential Metabolites in Panax quinquefolius From China and the United States Using UPLC‐Orbitrap‐MS and LC‐MS/MS
American and Chinese ginseng have distinct metabolic profiles that help identify their origin.
Search
for
Sort by
Research
570-600 / 1000+ results
research Optimization of ultrasound-assisted extraction of bioactive compounds from Carthamus caeruleus L. rhizome: Integrating central composite design, Gaussian process regression, and multi-objective Grey Wolf optimization approaches
Optimal conditions for extracting beneficial compounds from Carthamus caeruleus L. rhizomes were identified, improving efficiency.
research Recent advances in X-ray microanalysis in dermatology.
Trace elements like calcium, iron, and zinc are unevenly distributed in hair, while sulfur is even, and increased phosphorus and potassium levels are linked to skin reactions.
research Determination of Illegally Added Minoxidil in Herbal Hair Growth Cosmetics by HPLC
The method accurately detects illegal minoxidil in herbal hair products.
research Voltammetric detection with a comprehensive electrochemistry study of minoxidil using nuclear magnetic resonance and infrared analyses: Applications in the forensic and pharmaceutical fields
A new, quick method accurately detects minoxidil in drugs and cosmetics.
research Ion pairs of risedronate for transdermal delivery and enhanced permeation rate on hairless mouse skin
Ion-paired risedronate significantly increases skin penetration without irritation compared to risedronate alone.
research 3 alpha, 17 beta-androstanediol glucuronide in plasma. A marker of androgen action in idiopathic hirsutism.
High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
research Critical Factors in Sample Collection and Preparation for Clinical Metabolomics of Underexplored Biological Specimens
Standardized procedures are crucial for collecting and preparing biological samples to ensure accurate clinical metabolomics results.
research Development and validation of a procedure for the determination of minoxidil in hair-regrowth formulations using two variants of capillary zone electrophoresis
A method was created in 2005 to identify minoxidil, a hair growth ingredient, in products using two types of capillary zone electrophoresis, and it found that most products had about 2% minoxidil.
research Solubilization and Solid‐State Characterization of a Poorly Soluble 5‐α Reductase Inhibitor
GI197111X is best dissolved in Capmul MCM for trials.
research Intricate diagnosis due to falsely elevated testosterone levels by immunoassay
Confirm testosterone levels with advanced tests to avoid unnecessary procedures.
research A Novel Ion – selective Polymeric Membrane Sensor for Determining Thallium(I) With High Selectivity
The sensor accurately measures thallium ions in solutions with high selectivity.
research UV Spectrophotometric Stability Indicating Method Development and Validation for the Determination of Finasteride Bulk and Dosage Form.
The method accurately measures finasteride in bulk and dosage forms.
research HPLC Determination the Content and Content Uniformity of Finasteride Capsules
The method accurately measures finasteride in capsules.
research Probing calcium and sulfur distribution and pattern in hairs using micro-proton induced X-ray emission （MPIXE）
Women's hair has more sulfur, and black hair has more calcium than white hair.
research Determination of Residual Organic Solvents in Finasteride Raw Materials by Headspace Capillary Gas Chromatography
The method effectively detects residual solvents in finasteride raw materials.
research Synchronous fluorescence as a green and selective method for the simultaneous determination of finasteride and tadalafil in dosage form and spiked human plasma
A new green method accurately measures finasteride and tadalafil in drugs and plasma.
research The Utilization of Sex Hormone Antibodies for Screening and Separation of Trace Biological Mixtures
Sex hormone antibodies can help identify male and female contributors in forensic samples.
research Liquid chromatographic-mass spectrometric method for determination of drug content uniformity of two commonly used dermatology medications in a split-tablet dosage form
Splitting non-scored tablets can lead to uneven drug distribution, posing risks.
research O13: Interpretation of hair ethyl glucuronide inter-individual factors from large population dataset
Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
research Stability Indicating Method Development and Validation of Finasteride by High-Performance Thin-Layer Chromatography Studies
New method effectively analyzes finasteride and its stability.
research Analysis of Biological Elements of Scalp Hairs With Sem-Edx and Tem and its Application to the Hair Comparison
SEM/EDX can analyze hair elements but struggles with trace elements, limiting its forensic use.
research Rp-HPLC Determination of Quercetin in a Novel D-α-Tocopherol Polyethylene Glycol 1000 Succinate Based SNEDDS Formulation: Pharmacokinetics in Rat Plasma
The new formulation greatly improved quercetin absorption in rats.
![The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route](/images/research/73bab8dc-bdf0-45e3-8ef7-73d0d4b93cb1/small/21074.jpg)
research The synthesis of (−)-4-methyl-8-chloro-trans-1,2,3,4,4a,5,6,10b-octahydrobenzo-[f]-quinolin-3-one-[3-14C] (LY300502-14C]) via a circuitous route
Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
research Micro-segmental hair analysis: detailed procedures and applications in forensic toxicology
Micro-segmental hair analysis helps detect drug use patterns and estimate drug consumption days.
research UHPLC/Q-TOFMS-based plasma metabolomics of polycystic ovary syndrome patients with and without insulin resistance
The research found different metabolism changes in PCOS patients and suggested new potential markers for diagnosing PCOS with or without insulin resistance.
research Validated RP-HPLC and TLC methods for simultaneous estimation of tamsulosin hydrochloride and finasteride in combined dosage forms
Methods accurately measure tamsulosin hydrochloride and finasteride in combined dosages.
research Isolation and Structural Characterization of Degradation Products of Finasteride by Preparative HPLC, HRMS and 2D NMR
Finasteride forms three new products under acidic stress.
research TMT-Based Proteomic Explores the Influence of DHEA on the Osteogenic Differentiation of hBMSCs
DHEA boosts bone cell growth and differentiation in elderly stem cells.
research Extensive review on the analytical methods for the estimation of Thuja occidentalis homeopathic mother tincture
Different ways to measure the concentration of Thuja occidentalis in homeopathic solutions were examined.