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GlossaryChromatography

laboratory technique for separating mixture components by movement rates

Chromatography is a laboratory technique used to separate and analyze the components of a mixture. It works by passing the mixture through a medium where different components move at different rates, allowing for their identification and quantification. This method is widely used in fields like biochemistry and forensics to analyze complex substances, including those related to hair and alopecia research.

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Analysis of Hormone Antagonists in Clinical and Municipal Wastewater by Isotopic Dilution Liquid Chromatography Tandem Mass Spectrometry

research Analysis of Hormone Antagonists in Clinical and Municipal Wastewater by Isotopic Dilution Liquid Chromatography Tandem Mass Spectrometry

51 citations, 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.

Phytochemical Analyses of Ziziphus Jujuba Mill. Var. Spinosa Seed by Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectrometry and Gas Chromatography-Mass Spectrometry

research Phytochemical Analyses of Ziziphus Jujuba Mill. Var. Spinosa Seed by Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectrometry and Gas Chromatography-Mass Spectrometry

38 citations, January 2013 in “Analyst”

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

30 citations, April 2011 in “Rapid communications in mass spectrometry/RCM. Rapid communications in mass spectrometry”

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

18 citations, April 2009 in “Journal of Chromatography A”

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

17 citations, August 2015 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology”

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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community New and Interesting HairLoss Studies/Papers/Reviews

in Treatment 42 upvotes 4 years ago

Hair loss treatments discussed include Dutasteride with Ketoconazole, tissue engineering strategies, and androgenetic alopecia therapies. Massage doubles follicular retention, improving treatment effectiveness.

community Feel like I'm a reasonably good responder

in Is this regrowth? 274 upvotes 3 months ago

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.

in Finasteride/Dutasteride 160 upvotes 1 year ago

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.

community Peptides that Stop Hair Loss? | In-depth Literature Review Video

in Research/Science 74 upvotes 5 months ago

Peptides like TB500, KPV, GHK-CU, and BPC-157 are overhyped for hair growth with limited proven effectiveness in humans. Combining peptides with delivery methods like iontophoresis and sonophoresis shows promise, but many claims remain unproven.

community What is the real impact of dutasteride on neurosteroids? A little review of 2 scientific datas

in Research/Science 21 upvotes 5 months ago

Dutasteride at 0.5 mg/day does not significantly alter allopregnanolone levels, but higher doses (2.5 mg/day) do. Dutasteride may also have anti-neuroinflammatory effects, but the impact on neurosteroids is still debated.

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