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research Analysis of Hormone Antagonists in Clinical and Municipal Wastewater by Isotopic Dilution Liquid Chromatography Tandem Mass Spectrometry
Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.

research Phytochemical Analyses of Ziziphus Jujuba Mill. Var. Spinosa Seed by Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectrometry and Gas Chromatography-Mass Spectrometry
The study found that Ziziphus jujuba seeds contain beneficial compounds for treating insomnia and anxiety and that the methods used are effective for assessing their quality.
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 Studies on the Persistence of Estradiol Benzoate and Nortestosterone Decanoate in Hair of Cattle Following Treatment with Growth Promoters, Determined by Ultra-High-Performance Liquid Chromatography–Tandem Mass Spectrometry
Detecting steroid esters in cattle hair is inconsistent and influenced by sampling factors.

research Metabolic Study of Androsta-1,4,6-Triene-3,17-Dione in Horses Using Liquid Chromatography/High Resolution Mass Spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
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5 / 11 resultscommunity Liquid Chromatography–Mass Spectrometry (LC-MS) VS Enzyme-Linked Immunosorbent Assay (ELISA)
Finasteride and Nizoral shampoo with Ketoconazole are used for hair loss treatment. Liquid Chromatography–Mass Spectrometry (LC-MS) is recommended over Enzyme-Linked Immunosorbent Assay (ELISA) for more accurate DHT testing.
community New and Interesting HairLoss Studies/Papers/Reviews
Hair loss treatments discussed include Dutasteride with Ketoconazole, tissue engineering strategies, and androgenetic alopecia therapies. Massage doubles follicular retention, improving treatment effectiveness.
community Unexpected Serum DHT Elevation after Generic Dutasteride Use.
Switching from finasteride to a generic dutasteride led to unexpectedly high DHT levels, prompting a switch to a reputed brand and consideration of softgel capsules for better absorption. The user plans to retest DHT levels and may return to finasteride if issues persist.
community Feel like I'm a reasonably good responder
The user "OP" reported significant hair regrowth using oral finasteride, oral and topical minoxidil, ketoconazole shampoo, and derma stamping. OP experienced initial shedding but no other side effects.
community Dutasteride SAVES your hair follicles: MAJOR BS on people who say it destroyed their hair permanently.
The conversation discusses the effectiveness of hair loss treatments, specifically finasteride and dutasteride. The conclusion is that dutasteride significantly reduces DHT levels and may be more effective than finasteride for long-term hair retention, with some users reporting personal experiences and side effects.