research Analytical Method for the Biomonitoring of Bisphenols and Parabens by Liquid Chromatography Coupled to Tandem Mass Spectrometry in Human Hair
A new method accurately detects bisphenols and parabens in human hair.
Search
for
Sort by
Research
120-150 / 326 resultsresearch Determination of 19 Illegally Added Chemical Ingredients in Hair Loss Prevention Cosmetics by Ultra-Performance Liquid Chromatography-Quadrupole-Time of Flight Mass Spectrometry
A new method can quickly and accurately detect illegal chemicals in hair loss products.
research Simultaneous Determination of Seven Prohibited Substances in Cosmetic Products by Liquid Chromatography–Tandem Mass Spectrometry
The method effectively identifies and measures seven banned substances in cosmetics.
research Efficacy and Mechanism of Topical Shen Bai Hair Growing Decoction Against Androgenetic Alopecia
The Shen Bai Hair Growing Decoction may help treat hair loss by promoting hair growth and reducing inflammation.
research Isolation and Structural Identification of a Novel Minoxidil Analogue in an Illegal Dietary Supplement: Triaminodil
A new minoxidil-like substance, triaminodil, was found in an illegal hair growth supplement.
research Blimp1+ Cells Generate Functional Mouse Sebaceous Gland Organoids In Vitro
Single Blimp1+ cells can create functional sebaceous gland organoids in the lab.
research Androgen Profile Through Life in Women With Polycystic Ovary Syndrome: A Nordic Multicenter Collaboration Study
Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.
research Management of Endocrine Disease: Hyperandrogenic States in Women - Pitfalls in Laboratory Diagnosis
Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
research Analytical Chemistry Studying Historical Pharmaceuticals and Health Care Formulations
Analytical chemistry helps understand the makeup and use of ancient medicines, but it's complex and challenging.
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 Comparative Studies on Polyamine Levels in Plasma and Urine of Androgenic Alopecia Patients Treated with Finasteride for a Period of Three Years
Finasteride treatment for three years changes certain polyamine levels in the blood but not in urine.
research Cheating on Forensic Hair Testing? Detection of Potential Biomarkers for Cosmetically Altered Hair Samples Using Untargeted Hair Metabolomics
Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
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 Biosynthetic Studies Through Feeding Experiments in Eclipta Prostrata Hairy Roots
The study found that in Eclipta prostrata roots, coumestans come from acetate and shikimate pathways, and phenylpropanoid is made only through the shikimate pathway.
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 Iron Plays a Certain Role in Patterned Hair Loss
Iron deficiency may contribute to hair loss.
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 Mechanical and Biological Properties of Keratose Biomaterials
Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.
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 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 Ethyl Acetate Fraction of Eclipta Alba: A Potential Phytopharmaceutical Targeting Adipocyte Differentiation
Eclipta alba extract may help treat obesity by blocking fat cell formation and lowering blood lipid levels.
research Anti-Androgenic Curcumin Analogues as Steroid 5-Alpha Reductase Inhibitors
Some curcumin-like compounds can effectively and safely block the enzyme linked to hair loss and other conditions related to male hormones.
research Untargeted Metabolomics and Steroid Signatures in Urine of Male Pattern Baldness Patients After Finasteride Treatment for a Year
Finasteride treatment changes urine metabolomics and steroid signatures, potentially monitoring effectiveness but may cause sexual side effects.
research Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS
Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
research Inhibition of 5α-Reductase Alters Pregnane Metabolism in the Late Pregnant Mare
Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
research Pharmacokinetic-Pharmacodynamic Modeling Approach for Dose Prediction of the Optimal Long-Acting Injectable Formulation of Finasteride
Optimal long-acting finasteride injection dose found: 16.8 mg, effective for one month.
research Prenatal Androgenization of Ewes as a Model of Hirsutism in Polycystic Ovary Syndrome
Prenatally androgenized ewes can model increased hair diameter in women with PCOS.
research Hair Growth Activity of Three Plants of the Polynesian Cosmetopoeia and Their Regulatory Effect on Dermal Papilla Cells
Extracts from three Polynesian plants were found to promote hair growth by affecting cell growth and gene expression related to hair.
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 Reaction of Finasteride Intermediate with Benzeneseleninic Anhydride: An In-Depth Study
Impure benzeneseleninic anhydride samples cause lower finasteride intermediate yields.