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GlossaryGas Chromatography

separates and analyzes vaporized compounds in a gas stream

Gas Chromatography (GC) is a laboratory technique used to separate and analyze compounds that can be vaporized without decomposition. It involves injecting a sample into a gas stream, which carries it through a column filled with a stationary phase. Different compounds in the sample travel at different speeds, allowing them to be individually detected and quantified. This method is widely used in fields such as chemistry, biology, and environmental science for analyzing complex mixtures.

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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.

Gas Chromatography Coupled to Mass Spectrometry Characterization, Anti-Inflammatory Effect, Wound-Healing Potential, and Hair Growth-Promoting Activity of Algerian Carthamus Caeruleus L (Asteraceae)

research Gas Chromatography Coupled to Mass Spectrometry Characterization, Anti-Inflammatory Effect, Wound-Healing Potential, and Hair Growth-Promoting Activity of Algerian Carthamus Caeruleus L (Asteraceae)

7 citations, January 2018 in “Indian Journal of Pharmacology”

Algerian Carthamus caeruleus L plant has anti-inflammatory properties, heals wounds effectively, and may help with hair growth.

Substantiation of Technological Parameters of the Oil Extract Obtained from Urtica Dioica Roots Based on the Yield Determination of Phytosterols Using Capillary Gas Chromatography Method

research Substantiation of Technological Parameters of the Oil Extract Obtained from Urtica Dioica Roots Based on the Yield Determination of Phytosterols Using Capillary Gas Chromatography Method

2 citations, December 2021 in “ScienceRise”

The best way to extract oil from Urtica dioica roots is by using corn oil, a 1:5 ratio of raw material to extract, extracting for 6 hours, and using the maceration method.

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

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

20 citations, December 1995 in “Journal of Chromatography B: Biomedical Sciences and Applications”

Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.

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

in Research/Science 21 upvotes 7 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.

community CB-03-01: I need help

in Treatment 7 upvotes 4 years ago

The user stopped using finasteride and RU58841 and is considering CB-03-01 for androgenic alopecia but is concerned about the cost and effectiveness, especially at a lower dose than in clinical trials. They are also using minoxidil, micro-needling, and nizoral shampoo but are unsure about the correct application method for CB-03-01.

community Last Post Before I Switch Back to Finasteride From Dutasteride

in Finasteride/Dutasteride 29 upvotes 4 weeks ago

The user plans to switch from dutasteride back to finasteride due to worsening hair loss, possibly due to increased scalp testosterone. Others report mixed results with both treatments, showing individual variability.

community All US hair loss suffers. Do yourself a favor and get a Costco membership.

in Finasteride/Dutasteride 864 upvotes 4 months ago

Costco offers affordable prices for hair loss treatments like finasteride, dutasteride, and minoxidil. Users discuss prescription options and compare prices with services like Mark Cuban's Cost Plus Drugs and Amazon's RxPass.

community Is PP405 formula available in grey market?

in Treatment 16 upvotes 1 week ago

The conversation is about the availability of the PP405 formula for hair loss treatment, with mentions of finasteride and its side effects. Users discuss the potential of obtaining the formula through unofficial channels and the challenges related to its genetic sequence and delivery method.

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