research Novel Mutations in X-Linked Dominant Chondrodysplasia Punctata (CDPX2)
New mutations in the EBP gene cause CDPX2, affecting bones, skin, eyes, and hair, with females generally less affected than males.
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research Optimization of LC method for the determination of testosterone and epitestosterone in urine samples in view of biomedical studies and anti-doping research studies
Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
research Different localizations of drugs simultaneously administered in a strand of hair by micro‐segmental analysis
Drugs localize differently in hair strands based on their properties.
![Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method](/images/research/0026b639-99a8-455a-a986-c39aa65abfa9/small/2087.jpg)
research Synthesis of 5,6,6-[2H3]finasteride and quantitative determination of finasteride in human plasma at picogram level by an isotope-dilution mass spectrometric method
Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
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 A new label-free screen for steroid 5α-reductase inhibitors using LC-MS
Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
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 Development of a new GC–MS/MS method for the determination of metformin in human hair
A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
research New Biomarkers to Evaluate Hyperandrogenemic Women and Hypogonadal Men
The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
research Bloom's syndrome–‐a first report from India
A 6-year-old boy in India was diagnosed with Bloom's syndrome, showing growth and developmental issues, and skin problems worsened by sunlight.
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 Separation of finasteride and analogues
Finasteride and analogues separated using LC-MS-MS technique.
research Androgens in Women – Critical Evaluation of the Methods for Their Determination in Diagnostics of Endocrine Disorders
The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
research Design and Validation of a Sensitive Multisteroid LC-MS/MS Assay for the Routine Clinical Use: One-Step Sample Preparation with Phospholipid Removal and Comparison to Immunoassays
The new LC-MS/MS method is more accurate and reliable than traditional immunoassays for measuring steroids in serum.
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.
research In Vivo Evaluation ofEclipta albaExtract as Anticancer and Multidrug Resistance Reversal Agent
Eclipta alba extract may work as an anticancer agent and help reverse drug resistance.
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 A Method to Monitor Dutasteride in Rat Plasma Using Liquid-Liquid Extraction and Multiple Reaction Monitoring: Comparisons and Validation
The best method to monitor dutasteride in rat plasma is liquid-liquid extraction with methyl tert-butyl ether and methylene chloride.
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 Sex Hormones and Hair Loss in Men From the General Population of Northeastern Germany.
Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
research Antialopecia Activity and IR-Spectrometry Characterization of Bioactive Compounds From Sansevieria trifasciata P.
Sansevieria trifasciata shows promise as a natural treatment for hair loss.
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 Biomimetics through bioconjugation of 16-methylheptadecanoic acid to damaged hair for hair barrier recovery
16-MHA can restore damaged hair's protective barrier and moisture balance.
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 Measuring steroids in hair opens up possibilities to identify congenital adrenal hyperplasia in developing countries
Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
research Distribution of polyamines may be altered in different scalp regions of patients with hair loss
Hair loss patients may have different polyamine levels in various scalp areas.
research Urinary 5-ene-steroid excretion in non-classical congenital adrenal hyperplasia due to 3β-hydroxysteroid dehydrogenase deficiency (NC-3BHSD)
Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.