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Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS

research Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS

8 citations, July 2018 in “Analytical sciences”

Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.

Stability Study of Finasteride: Stability-Indicating LC Method, In Silico and LC-ESI-MS Analysis of Major Degradation Product, and an In Vitro Biological Safety Study

research Stability Study of Finasteride: Stability-Indicating LC Method, In Silico and LC-ESI-MS Analysis of Major Degradation Product, and an In Vitro Biological Safety Study

April 2018 in “Journal of Chromatographic Science”

Finasteride's stability and safety confirmed through precise analytical methods.

Determination of Finasteride in Human Plasma by Liquid Chromatography-Electrospray Ionization Tandem Mass Spectrometry with Flow Rate Gradient

research Determination of Finasteride in Human Plasma by Liquid Chromatography-Electrospray Ionization Tandem Mass Spectrometry with Flow Rate Gradient

2 citations, October 2010 in “European Journal of Drug Metabolism and Pharmacokinetics”

Researchers developed a quick and sensitive way to measure finasteride in blood using a small sample size.

Liquid Chromatography-Mass Spectrometry Applied to the Identification and Quantification of Animal Hair Fibers in Textile Products

research Liquid Chromatography-Mass Spectrometry Applied to the Identification and Quantification of Animal Hair Fibers in Textile Products

January 2020

Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.

research Simultaneous Quantitation of Nine Hydroxy-Androgens and Their Conjugates in Human Serum by Stable Isotope Dilution Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry

22 citations, January 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology”

A new method accurately measures nine specific hormones in human blood.

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Community Join

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community thoughts on this approach to topical fin that I want to try?

in Finasteride/Dutasteride 2 upvotes 3 months ago

User plans to switch from oral to .005% topical finasteride, using a solvent from minoxidilmax and later Essengen-F. They will monitor DHT levels and seek advice on solvents and sleep caps.

community Pre Finasteride Treatment, is testing for free DHT necessary?

in Finasteride/Dutasteride 5 upvotes 1 year ago

The conversation is about whether testing for free DHT is necessary before starting Finasteride for hair loss, despite having other hormone tests available. One person suggests that genetic response to DHT is more important than DHT levels and advises starting Finasteride without the free DHT test.

community Dutasteride SAVES your hair follicles: MAJOR BS on people who say it destroyed their hair permanently.

in Finasteride/Dutasteride 158 upvotes 10 months 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 DHT is higher on DUT than on FIN. Why?

in Finasteride/Dutasteride 13 upvotes 1 year ago

The conversation discusses the fluctuation of testosterone levels in men under 40 and the difference between serum DHT and scalp DHT. It also mentions that DHT levels are higher on Dutasteride than on Finasteride, which is unusual.

community Had a hormone panel to determine if I’m in range to use finasteride without too many issues. Thoughts?

in Finasteride/Dutasteride 5 upvotes 1 year ago

A user shared their hormone levels to gauge if they can use finasteride for hair loss without issues. Their hormone levels are mostly within the reference ranges.

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