2 citations
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November 2017 in “Biotechnology Letters” This study developed a high-throughput method that identifies bioactive chemicals influencing DHT production in prostate cancer cells, with potential nutraceutical candidates including fucoxanthin, phenethyl caffeate, and Curcuma longa L. extract.
September 2025 in “Chinese Journal of Chromatography” This study developed a method using ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MRM-IDA-EPI) for the rapid and sensitive detection of 13 JAK inhibitors in anti-alopecia cosmetics, showing excellent separation and accurate quantification with high recovery rates in tested matrices.
36 citations
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March 2007 in “Journal of Chromatography B” This study developed a sensitive and specific method for detecting testosterone in horse hair, finding trace amounts in samples for up to five months after administering a single dose.
February 2024 in “ACS Omega” This study found that the topical Shen Bai hair growing decoction may improve androgenetic alopecia in mice by suppressing TNF-α and IL-6 levels, enhancing follicle density, and reducing apoptosis.
February 2024 in “Research Square (Research Square)” This research found that heavy metal concentrations of arsenic, lead, cadmium, and iron were significantly higher in human hair samples from 100 years ago compared to today's levels in southern Poland, with a median decrease of 69–95%.
38 citations
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January 2013 in “Analyst” This study identified the main secondary metabolites in Ziziphus jujuba seeds and confirmed that UPLC-MS/MS and GC-MS effectively demonstrate their pharmaceutical quality.
18 citations
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July 2009 in “Drug Metabolism and Disposition” This study identified previously unknown phase I and phase II metabolites of finasteride in human bile and urine using a specialized bile collection technique and advanced mass spectrometry analysis.
April 2016 in “Annals of laboratory medicine” The researchers reported that epitestosterone treatment reduced eicosanoid levels generated by cyclooxygenases and lipoxygenases in rabbit liver samples with carrageenan-induced inflammation.
51 citations
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February 2010 in “Analytical and Bioanalytical Chemistry” Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.
10 citations
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January 2019 in “Journal of Chromatography B” This study used a newly validated method to find that one-year finasteride treatment resulted in no significant differences in urinary androgen and prostaglandin levels between male pattern baldness patients and normal controls.
1 citations
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April 2015 in “Drug research” This study concluded that two different pharmaceutical formulations of finasteride were bioequivalent in terms of rate and extent of absorption based on pharmacokinetic evaluations in a randomized crossover study with 38 volunteers.
This paper discusses advancements in forensic hair analysis, emphasizing a novel DART–HRMS method that improves the accuracy and efficiency of detecting drug use timelines.
11 citations
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September 2020 in “Steroids” This study developed a new method using liquid chromatography-tandem mass spectrometry to measure multiple steroid hormones in hair, requiring significantly fewer strands than previous methods, with high accuracy and precision.
27 citations
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April 2013 in “Reviews in endocrine and metabolic disorders” The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
1 citations
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February 2014 in “Analytical Letters” This study developed a fast and sensitive ultra-high performance liquid chromatography method to quantify ketoconazole in antidandruff emulsions, showing comparable results to labeled concentrations.
2 citations
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March 2014 in “European Journal of Chemistry” This study developed and validated a liquid chromatography-mass spectrometry method for accurately identifying and quantifying tamsulosin and finasteride in pharmaceutical forms, showing its effectiveness for quality control.
January 2026 in “Clinical Chemistry and Laboratory Medicine (CCLM)” This study reported high analytical performance of an RMP for DHT quantification, with the ability to differentiate between 5α-DHT and 5β-DHT isomers, making it suitable for routine assay standardization and clinical sample evaluation.
March 2022 in “VNU Journal of Science Medical and Pharmaceutical Sciences” This study developed a sensitive method using LC-ESI-MS/MS for accurate and reliable measurement of nine steroid hormones in children's serum.
45 citations
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August 1994 in “Journal of Chromatography B: Biomedical Sciences and Applications” Method detects finasteride in plasma and semen with high sensitivity and accuracy.
December 2023 in “Kiểm nghiệm và An toàn thực phẩm/Kiểm nghiệm và An toàn thực phẩm (online)” This study developed a liquid chromatography with tandem mass spectrometry method to detect sex hormones in health supplements from Hanoi, Vietnam, finding three out of 16 samples contained sex hormones, including banned testosterone at low levels (~0.5 mg/kg).
January 2021 in “Scandinavian journal of clinical and laboratory investigation” This study presents a method using liquid chromatography tandem mass spectrometry to quantify biotin in plasma and serum, and explores how high biotin intake can interfere with diagnostic immunoassays that utilize biotin-streptavidin technology, potentially leading to misdiagnosis of endocrine disorders.
March 2025 in “Journal of Endocrinology and Metabolism” This study found that while rat models treated with letrozole and dihydrotestosterone exhibit altered sterol, leukotriene, and steroid hormone profiles similar to human PCOS, significant differences remain.
3 citations
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July 2016 in “Tropical Journal of Pharmaceutical Research” This study found that the proposed LC-MS/MS method accurately quantified the drug content in split tablets of finasteride and terbinafine, revealing significant variability and suggesting that non-scored tablets should not be split.
1 citations
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March 2012 in “Acta Pharmaceutica Sinica B” This study developed methods for detecting carboxy-finasteride in urine for doping control, demonstrating detection up to 49 hours post-administration with high precision and accuracy.
7 citations
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April 2022 in “Journal of pharmaceutical and biomedical analysis” This study describes a new method using high-resolution mass spectrometry for analyzing multiple steroids in human scalp hair, with newborn hair showing the highest steroid concentrations among examined age groups.
March 2021 in “Juniper Online Journal Material Science” In this study, L-cysteine treated with the Trivedi Effect® showed significantly increased isotopic abundance ratios, which may enhance its stability and shelf-life.
71 citations
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July 2015 in “The Journal of Clinical Endocrinology and Metabolism” This study found that women with PCOS have elevated serum androgen levels throughout adulthood, with these levels decreasing and variations increasing as they approach menopause.
November 2025 in “Journal of Laboratory Medicine” This study found that cortisol levels, a biomarker of chronic stress, significantly increased in the post-COVID-19 lockdown period compared to pre-lockdown and during-lockdown periods, especially among females and young adults, reflecting sustained psychological stress from the pandemic.
128 citations
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January 1996 in “Journal of analytical toxicology.” This study suggests that while hair analysis using GC-MS is a sensitive method for detecting cocaine ingestion, it may not reliably indicate the amount, timing, or duration of drug use due to interindividual variability and multiple incorporation mechanisms.
15 citations
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October 2010 in “Archives of Toxicology” This study found that the yeast androgen screen (YAS) could detect the activity of methyltestosterone in urine for a longer period than classical GC/MS, potentially identifying long-lasting metabolites.