research Confocal Laser Scanning Microscopy: An Excellent Tool for Tracking Compounds in the Skin
Confocal Laser Scanning Microscopy is effective for tracking compounds in the skin.
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research Rapid determination and quantification of hair-growth compounds in adulterated products by ultra HPLC coupled to quadrupole-orbitrap MS
About 21% of tested hair loss supplements contained illegal synthetic drugs.
research Gas chromatography/mass spectrometry based hair steroid profiling may reveal pathogenesis in hair follicles of the scalp
Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.
research Determination of topically applied finasteride penetrated into hair follicles by using the differential stripping technique
research Simultaneous determination of androgens and prostaglandins in human urine using ultra-high-performance liquid chromatography–tandem mass spectrometry
Researchers developed a reliable way to measure hormones in urine, showing that a baldness treatment doesn't change hormone levels.
research Evaluation of glucuronide metabolite stability in dried blood spots
Dried blood spots can be as stable as frozen liquid samples for storing certain metabolites.
research Improved forensic hair evidence for drugs of abuse by mass spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research LB1605 3D imaging of cleared ex vivo normal human skin, skin appendages and psoriasiform skin lesion using light-sheet microscopy
The conclusion is that using light-sheet fluorescence microscopy with a special solution can effectively create detailed 3D images of human skin for dermatological research.
research Bioequivalence Study of Finasteride Tablets in Human Plasma by HPLC-MS
The test and reference finasteride tablets are bioequivalent.
research Hair Growth Measurement Using Intradermal Sulfur 35 Cystine
The method accurately measures hair growth with minimal risk and is better than other techniques.
research Determination of finasteride in human plasma and its pharmacokinetics and relative bioavailability by HPLC-electrospray mass spectrometry
Two finasteride tablet formulations are bioequivalent.
research Long-term detection of methyltestosterone (ab-) use by a yeast transactivation system
A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
research DIFFERENTIAL STRIPPING TECHNIQUE TO DETERMINE FINASTERIDE RETENTION IN HAIR FOLLICLES AFTER IN VITRO TOPICAL APPLICATION
research Determination of steroid hormones in human hair as a retrospective biomarker with HPLC-MS/MS
A new method accurately measures long-term hormone levels in hair.
research Autofluorescence as a Signal to Sort Developing Glandular Trichomes by Flow Cytometry
Autofluorescence can sort plant cells without labeling.
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.
research TrichoScan: combining epiluminescence microscopy with digital image analysis for the measurement of hair growth in vivo.
TrichoScan accurately measures hair growth and showed improved hair counts and thickness after finasteride treatment.
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 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 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 Intracavity wavelength modulation of an optical parametric oscillator for coherent Raman microscopy
Researchers created a new light source that improves chemical imaging by removing background noise.
research Analyzing the laser‐light reflection from human hair fibers. II. Deriving a measure of hair luster
The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
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.
research Solid-Phase Microextraction and Related Techniques in Bioanalysis
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 Analysis of keratin films as screening tools for predicting the efficacy of potential hair dyes
Translucent keratin films are better for testing hair dyes.
research Clinical and analytical evaluation of LC-MS methods for plasma renin activity and aldosterone
The study developed methods to measure biomarkers in mice and found differences in hormone levels linked to gut microbiota diversity and stress response.
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 Optical Coherent Tomography for in vivo Determination of Changes in Hair Cross Section and Diameter during Treatment with Glucocorticosteroids – A Simple Method to Screen for Doping Substances?
Optical coherent tomography can effectively detect steroid use by analyzing hair changes.
research Methodology Validation: Correlating Adherent Scalp Flaking Score (ASFS) With Phototrichogram for Scalp Dandruff Evaluation in Adult Subjects
The methods tested are reliable for assessing dandruff reduction.