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GlossaryElectrospray Ionization Mass Spectrometry (ESI-MS)

analyzes molecules by converting them into charged particles

Electrospray Ionization Mass Spectrometry (ESI-MS) is a technique used to analyze the mass and structure of molecules by converting them into charged particles (ions) using an electric field. This method is particularly useful for studying large biomolecules like proteins and peptides, as it allows for the gentle ionization of these complex structures without breaking them apart.

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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.

A Fast and Efficient UPLC-ESI-MS/MS Method for Detection, Identification, and Quantitative Analysis of Bioactive Substances in Medicinal Herbal Extracts for Preventing Hair Loss

research A Fast and Efficient UPLC-ESI-MS/MS Method for Detection, Identification, and Quantitative Analysis of Bioactive Substances in Medicinal Herbal Extracts for Preventing Hair Loss

4 citations , September 2015 in “Bulletin of the Korean Chemical Society”

Researchers developed a quick and sensitive method to identify and measure hair growth-promoting substances in a herbal mix.

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.

research Matrix Effects And Application Of Matrix Effect Factor

323 citations , November 2017 in “Bioanalysis”

Matrix effects in LC-MS can be managed but not completely avoided.

research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair

18 citations , August 2014 in “Lipids”

Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.

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community Melatonin options for Europe??? Retrograde Alopecia

in Product 3 upvotes 1 year ago

A user is considering using melatonin for hair recovery on the side and neck area but is unsure about the best options in Europe and whether a dietary supplement form can be applied to the scalp. They found a product but are hesitant and seeking opinions on its use for alopecia.

community Anybody using topical melatonin in your stack? How is it working?

in Minoxidil 9 upvotes 2 years ago

The conversation discusses using topical melatonin as a treatment for hair loss, with one person considering adding it to their minoxidil solution and another sharing their experience of no hair shedding, possibly due to melatonin.

community Just started my journey, wish me luck

in Product 97 upvotes 2 years ago

A user's journey to treat hair loss with a combination of oral medication, topical treatments, microneedling and different shampoos and supplements. It includes warnings about an OGX biotin shampoo potentially causing further hair loss.

community Does anyone manage to keep the estradiol under control while on fin ? I'm talking in the normal range

in Chat 3 upvotes 1 year ago

Managing estradiol levels while using finasteride. Treatments discussed include Minoxidil, finasteride, and RU58841.