research Determination of estrone and 17β-estradiol in human hair by gas chromatography–mass spectrometry
Estrone and 17β-estradiol levels in hair differ between males and females.
Search
for
Sort by
Research
60-90 / 1000+ results
research In vivo penetration of bare and lipid-coated silica nanoparticles across the human stratum corneum
Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
research LC–MS bioanalytical method for simultaneous determination of latanoprost and minoxidil in the skin
Method measures latanoprost and minoxidil in skin accurately and precisely.
research Chemical profiling and quantitation of bioactive compounds in Platycladi Cacumen by UPLC-Q-TOF-MS/MS and UPLC-DAD
Researchers identified new compounds in Platycladi Cacumen and found variations in its flavonoid content, which could aid in its quality control.
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 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 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 GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl–trimethylsilyl derivatisation
The method accurately measures certain steroids in human hair, showing different levels in males and females.
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 LC‐MS/MS‐based method for long‐term steroid profiling in human scalp hair
A new method accurately measures long-term steroid levels in human hair.
research Rapid determination of finasteride in human plasma by UPLC–MS/MS and its application to clinical pharmacokinetic study
New method measures finasteride in blood quickly and accurately.
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 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 [Determination of finasteride in human plasma by HPLC-MS].
The two finasteride formulations are bioequivalent.
research Determination of vinflunine in Beagle dog′s plasma by LC-MS and study of its pharmacokinetics
The method accurately measures vinflunine in dog plasma.
research STABILITY INDICATING AN LC-ESI-MS/MS METHOD FOR THE QUANTIFICATION OF MINOXIDIL IN PHARMACEUTICAL DOSAGE FORMS
The method accurately measures Minoxidil in drugs and is reliable for routine use.
research Examining the Utility of LA-ICP-MS for Detection of Time-resolved Zinc Exposures and Determination of Hair Growth Rate
LA-ICP-MS effectively measures zinc, lead, and mercury in hair.
research HPLC-APCI-MS Determination of Finasteride in Human Plasma
The method accurately measures finasteride in human plasma quickly and reliably.
research Rapid and Sensitive LC–MS–MS Method for the Simultaneous Estimation of Alfuzosin and Dutasteride in Human Plasma
A fast and accurate method was developed to measure alfuzosin and dutasteride in human plasma.
research Investigating material basis and molecular mechanism of Qing Cuo formula in the treatment of acne based on animal experiments, UPLC-LTQ-Orbitrap-MS and network pharmacology
Qing Cuo Formula may effectively treat acne by reducing inflammation and hormone levels.
research Forensic chemical study on human hair. IV. Identification of brand of hair sprays and hair growth promoters by components remaining on human hair, and example of forensic hair examination.
Chemical analysis of hair products on human hair can help identify specific brands and link suspects to victims.
research My Hair Guides My Bioelement Dietary Requirements
Hair analysis can effectively assess nutritional status.
research Assessing protein sequencing in human single hair shafts of decreasing lengths
Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
research Endogenous steroid hormones in hair: Investigations on different hair types, pigmentation effects and correlation to nails
Body hair isn't a good substitute for scalp hair in steroid analysis.
research Analysis of Mercury in Sequential Micrometer Segments of Single Hair Strands of Fish-Eaters
LA-ICP-MS can effectively track mercury exposure over time in hair.
research Ex-vivo measurement of scalp follicular infundibulum delivery of zinc pyrithione and climbazole from an anti-dandruff shampoo
The method shows that zinc pyrithione and climbazole from anti-dandruff shampoo effectively reach the scalp.
research Separation of finasteride and analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Development and validation of a method for simultaneous determination of hair glucocorticoids and endocannabinoids as biomarkers of stress during pregnancy
A new method can measure stress levels in pregnant women using hair samples.
research A completely polyherbal conditioning and antioxidant shampoo: A phytochemical study and pharmaceutical evaluation
The herbal shampoo is a chemical-free, nourishing product with excellent conditioning, cleansing, and antimicrobial effects.
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.