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.
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research LC-MS/MS improves screening towards 21-hydroxylase deficiency
LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
research Determination of 17 Characteristic Ingredients of Plant Extracts in Hair Growth Cosmetics by Ultra High Performance Liquid Chromatography
A new method accurately measures plant ingredients in hair growth products.
research SUN-195 Falsely Elevated Testosterone Levels: Role of LC-MS/MS in Reducing Unnecessary Testing
Using LC-MS/MS for hormone measurement can prevent false high testosterone results and avoid unnecessary tests.
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.
research A systematic method for the sensitive and specific determination of hair lipids in combination with chromatography
A new method accurately measures hair lipids, revealing individual differences.
research 10.51847/1z2Yt2O
SFE is a better extraction method, and the HPTLC method is effective for analyzing wedelolactone in E. alba.
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.
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 A liquid chromatography/tandem mass spectrometry method for determination of aristolochic acid‐I in rat plasma
A reliable method was developed to measure aristolochic acid-I in rat blood.
research Gas Chromatography Tandem Mass Spectrometry for Biomarkers of Alcohol Abuse in Human Hair
A new method quickly detects alcohol use from hair in under an hour.
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.
![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 Determination of finasteride in healthy volunteers by optimized liquid chromatography-tandem spectrometry
The method accurately measures finasteride levels in the body.
research An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 5-alpha-dihydrotestosterone in human serum and plasma
The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
research Monitoring spatially resolved trace elements in polar bear hair using single spot laser ablation ICP-MS
Laser ablation ICP-MS is effective for tracking trace elements in polar bear hair over time.
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 Analysis of cosmetic residues on a single human hair by ATR FT-IR microspectroscopy
Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
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 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 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 DESIGN OF A VALIDATED HPTLC METHODOLOGY FOR THE MEASUREMENT OF LINOLEIC AND OLEANOLIC ACID IN ECLIPTA ALBA
The HPTLC method is effective and accurate for measuring linoleic and oleanolic acid in Eclipta alba.
research Proteomic tools for the investigation of human hair structural proteins and evidence of weakness sites on hair keratin coil segments
Hair proteins have weak spots in their α-helical segments.
research In-Situ Imaging Mass Spectrometry Analysis of Melanin Granules in the Human Hair Shaft
research Quantification of biotin in plasma samples by column switching liquid chromatography – tandem mass spectrometry
The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
research CLINICO-TRICHOSCOPIC EVALUATION OF HIRSUTISM TREATED WITH INTENSE PULSED LIGHT IN A TERTIARY CARE HOSPITAL IN EASTERN INDIA
Intense Pulsed Light is an effective and safe hair removal method for people with excessive hair growth.
research Apparent Hyperandrogenemia Due to Immunoassay Interference Resolved by Liquid Chromatography–Tandem Mass Spectrometry
False high testosterone levels were corrected using a more accurate test.
research Ultrahigh-Power Sonicator Lysis Enables Deep ProteomicProfiling of Hair Shafts for Fetal Growth Restriction Biomarker Discovery
A new method helps find proteins in hair to identify fetal growth issues.
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.