research Reduction Mechanism of L-Cysteine on Keratin Fibers Using Microspectrophotometry and Raman Spectroscopy
L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
Search
for
Sort by
Research
330-360 / 1000+ results 
research Protein Disulfide Isomerase-Mediated Grafting of Cysteine-Containing Peptides onto Over-Bleached Hair
PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
research Evidence for Two Independent Functional Variants for Androgenetic Alopecia Around the Androgen Receptor Gene
Two gene areas linked to male pattern baldness found, more research needed.
research Polarographic Behavior and Determination of Finasteride
Method quickly measures finasteride concentration in capsules.
research Radioimmunoassay of Minoxidil in Human Serum
Minoxidil levels measured in human blood.
research Simultaneous Spectrophotometric Determination of Minoxidil and Tretinoin by the H-Point Standard Addition Method and Partial Least Squares
Both HPSAM and PLS methods accurately measure minoxidil and tretinoin concentrations.
research Rapid Determination of Minoxidil in Human Plasma Using Ion-Pair HPLC
Quick method to measure minoxidil in blood, accurate and useful for labs.
research Defining Hyperandrogenaemia According to the Free Androgen Index in Chinese Women: A Cross-Sectional Study
FAI values above 6.4 may suggest high androgen levels and increased metabolic risks in Chinese women of reproductive age.
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 Action of Thioglycolic Acid and L-Cysteine on Disulfide Cross-Links in Hair Fibers During Permanent Waving Treatment
Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
research Finasteride in Biological Fluids: Extraction and Separation by a Graphitized Carbon Black Cartridge and Quantification by High-Performance Liquid Chromatography
Method accurately measures finasteride in human plasma.
research In Vivo Investigation in Pigs of Intestinal Absorption, Hepatobiliary Disposition, and Metabolism of the 5α-Reductase Inhibitor Finasteride and the Effects of Coadministered Ketoconazole
Ketoconazole increases finasteride's effectiveness and lifespan in the body.
research Androgens in Women: Critical Evaluation of Methods for Their Determination in Diagnosing Endocrine Disorders
The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
research Effect of Type 2 Diabetes Mellitus on the Pharmacokinetics of Metformin in Obese Pregnant Women
Type 2 diabetes does not change how metformin works in obese pregnant women, so dosage adjustments are not needed.
research The Differences Between Aromatizable And Non-Aromatizable Androgens In Relation To Body Composition And Metabolic Syndrome Risk Factors In Men
Testosterone and dihydrotestosterone have similar effects on body composition and metabolic health in men.
research Screening of Euphorbiaceae Plant Extracts for Anti-5α-Reductase Activity
Phyllanthus urinaria extract may help treat hair loss by blocking a hair-related enzyme.
research Phenolic Composition, Enzyme Inhibitory, and Antioxidant Activity of Bituminaria Bituminosa
The water extract of Bituminaria bituminosa, high in phenolic compounds, shows strong antioxidant and enzyme inhibitory potential.
research Development of Fast Reverse Phase Liquid Chromatographic Method for Simultaneous Analysis of Betamethasone Dipropionate and Calcipotriol in Ointments and Bulk Drug
Researchers developed a quick and reliable method to test for betamethasone dipropionate and calcipotriol in ointments and drugs.
research Stability-Indicating Micellar Electrokinetic Chromatography Method for Determination of Finasteride in Pharmaceutical Preparations
Method accurately measures finasteride concentration in medicine.
research Prolonged Hypotension Induced by Ingesting a Topical Minoxidil Solution: Analysis of Minoxidil and Its Metabolites
Swallowing a lot of minoxidil, a hair growth liquid, can cause severe and long-lasting low blood pressure.
research Chromatographic Methods for Determination of Finasteride and Tamsulosin Hydrochloride in Presence of Finasteride Degradation Product
Two methods can measure finasteride and tamsulosin hydrochloride; HPLC is more advantageous, while TLC offers better separation.
research A Dissolution Test for Finasteride in Immediate-Release Capsules
A method was developed to test the breakdown of Finasteride capsules, showing it can tell the difference between different brands and highlighting the need for standard tests and ingredient consistency.
research Spectrophotometric Method for the Estimation of Finasteride in Tablets
A new method accurately measures finasteride in tablets using color change and light absorption.
research Stability Studies on L-Ascorbic Acid DL-Alpha-Tocopherol Phosphoric Acid Diester Potassium Salt (EPC-K)
EPC-K is stable except at very acidic pH or when exposed to sunlight, and it can decompose in low ethanol concentrations.
research Evaluation of Bioequivalence of Five 0.1 mg Dutasteride Capsules Compared to One 0.5 mg Dutasteride Capsule: A Randomized Study in Healthy Male Volunteers
Taking five small dutasteride capsules is the same as taking one larger capsule.
research Non-Invasive Human Skin Transcriptome Analysis Using mRNA in Skin Surface Lipids
The conclusion is that analyzing RNA from skin oils is a promising way to understand skin diseases.
research High-Resolution Mass Spectrometric Investigation of the Phase I and II Metabolites of Finasteride in Pig Plasma, Urine, and Bile
Finasteride metabolites found in pigs match human studies, making pigs a valid model for human drug research.
research UV Spectrophotometric Method for Simultaneous Determination of Finasteride and Tamsulosin in Combined Dosage Form
Researchers developed a quick and accurate method to measure finasteride and tamsulosin in tablets.
research Chromatographic Methods for the Determination of Aminexil, Pyridoxine, and Niacinamide in a Novel Cosmetic Hair Preparation
Two new methods accurately measure Aminexil, Pyridoxine, and Niacinamide in hair products.
research Quantifying Polymer Deposition on Hair Fibers by Microfluorometry
Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.