research Total testosterone to dihydrotestosterone ratio assessed by LC-MS/MS predicts a worse metabolic profile not only in PCOS patients
A higher testosterone to dihydrotestosterone ratio may indicate worse metabolic health in women.
Search
for
Sort by
Research
60-90 / 1000+ results research Comparative GC-MS Based In vitro Assays of 5α-Reductase Activity Using Rat Liver S9 Fraction
The S9 fraction with GC-IDMS is effective for measuring 5α-reductase activity.
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 LC-MS/MS improves screening towards 21-hydroxylase deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
research Simultaneous determination of 30 hormones illegally added to anti-ageing functional foods using UPLC-MS/MS coupled with SPE clean-up
New method effectively detects illegal hormones in anti-aging foods.
research Simultaneous LC-MS/MS quantification of glucocorticoids, melatonin and its metabolites in hair
The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.
research GC–MS profiling and in silico prediction of MAPK receptor activation by fatty acids of watercress oil for hair growth marketed in Saudi Arabia
Watercress oil may promote hair growth by activating specific receptors.
research Quantitative analysis of 34 sex (pro)hormones, conjugates and bioactive oxidation products thereof in human plasma by GC- and LC-MS/MS and systematic investigation of overestimations of analyte concentrations not accounted for by method validation
The method accurately measures sex hormones in human plasma but can have small errors.
research UPLC-MS/MS method for the simultaneous quantification of caffeine and illicit psychoactive drugs in hair using a single-step high-speed grinding extraction – Insights into a cut-off value for caffeine abuse
The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.
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 IGF1- and BM-MSC-incorporating collagen-chitosan scaffolds promote wound healing and hair follicle regeneration.
Adding insulin-like growth factor 1 and bone marrow-derived stem cells to a collagen-chitosan scaffold helps wounds heal faster and regrows hair follicles.
research PBX1-SIRT1 positive feedback loop attenuates ROS-mediated HF- MSC senescence and apoptosis
PBX1 reduces aging and cell death in stem cells by boosting SIRT1 and lowering PARP1.
research Administration of Nrf-2-Modified Hair-Follicle MSCs Ameliorates DSS-Induced Ulcerative Colitis in Rats
Nrf-2-modified stem cells from hair follicles significantly improve ulcerative colitis in rats.
research [Determination of finasteride in human plasma by HPLC-MS].
The two finasteride formulations are bioequivalent.
research A novel LC-MS/MS analysis of vitamin D metabolites in mice serum and hair: impact of diet and light exposure
Diet and sunlight are important for maintaining good vitamin D levels.
research GC-MS analysis of rhizome ethanol extracts from Curcuma aeruginosa accessions and their efficiency activities as anticancer agent
Curcuma aeruginosa rhizome extracts show potential as anticancer agents, with varying effectiveness against breast cancer cells.
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 Biocompatible exosomes derived from Pinctada martensii mucus for therapeutic melanin regulation via α-MSH/NF-κB/MITF pathway
Exosomes from Pinctada martensii mucus can safely reduce melanin production, offering a new treatment for skin pigment issues.
research GC-MS Fatty Acid Profile and In silico Studies of Telfairia occidentalis Hook f. (Fluted Pumpkin) and Sphenostylis stenocarpa (African Yam bean) Seeds Oil on Human 5 Alpha Reductase II
Compounds in fluted pumpkin and African yam bean seed oils may help manage benign prostate hyperplasia.
research Comprehensive HPLC and UPLC-MS/MS Analysis for the Multi-component Detection of Hair Growth Compounds in Consumer Health Products
A reliable method was developed to detect hair growth compounds in products, ensuring safety and compliance.
research GC–MS Profiling, Antioxidant, Enzyme Inhibition, Molecular Docking, and ADME Investigation of the n ‐Hexane Extract and the Essential Oil of Platycladus orientalis (L.) Franco Fruits
Platycladus orientalis fruit extracts have antioxidant and enzyme-inhibiting properties, useful for health and food applications.
research Authentication of herbs by physiological & morphological studies through HPTLC, ICP-MS, UV Spectroscopy, Genetic Engineering & PCR
Herbal medicines need strict quality control to ensure safety and authenticity.
research The impact of COVID-19 pandemic and lockdown on chronic stress assessed by hair cortisol analysis via LC-MS/MS
Chronic stress increased after lockdown, especially in young adults and females.
research Comprehensive Physicochemical Characterization and GC-MS Profiling of Neelibhringadi Kera Tailam: A Traditional Ayurvedic Oil Formulation for Hair Growth
Neelibhringadi Kera Tailam effectively promotes hair growth and health.
research HPLC/MS Characterization and Evaluation of the Antioxidant and Anti-Inflammatory Properties of Algerian Medicinal Plant: Carthamus caeruleus L. Extracts
Carthamus caeruleus L. extracts have strong antioxidant and anti-inflammatory effects.
research Rosemary essential oil by hydrodistillation: SPME-GC-MS characterization
Rosemary essential oil is rich in terpenes and can be effectively extracted and analyzed using environmentally friendly methods, benefiting local economies.
research BIO-ANALYTICAL METHOD DEVELOPMENT AND VALIDATION OF FINASTERIDE, TADALAFIL, AND ITS APPLICATION TO PHARMACOKINETIC STUDIES IN RAT PLASMA BY USING LC-MS/MS
A reliable method was developed to measure Finasteride and Tadalafil in rat blood.
research Development of MALDI-TOF-MS and MALDI-MSI methods for hair analysis and evaluation of cosmetic treatments
Argan, avocado, and coconut oils are absorbed into hair, improving hydration and protection.
research Desenvolvimento de métodos de análise de cabelo por MALDI-TOF-MS e MALDI-MSI e avaliação de tratamentos cosméticos
The study concluded that the developed method can show how argan, avocado, and coconut oils penetrate and change hair, suggesting these oils are effective in hair treatments.
research Simultaneous Determination of Three Flavonoids in Rat Plasma of Masson Pinus Needles (Pinus massoniana L.) Extracts by UHPLC-MS/MS and Application to Pharmacokinetics Studies after Oral and Transdermal Administration
A new method accurately measures three compounds in rat plasma from pine needle extracts, aiding future research on its use for hair loss.