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GlossaryElectrospray Ionization Mass Spectrometry

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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research Development of Hair Analysis Methods by MALDI-TOF-MS and MALDI-MSI and Evaluation of Cosmetic Treatments

February 2024

The study concluded that the developed method can show how argan, avocado, and coconut oils penetrate and change hair, suggesting these oils are effective in hair treatments.

research HPLC-ESI-MSn Characterization of Phenolic Compounds, Terpenoid Saponins, and Other Minor Compounds in Bituminaria Bituminosa

76 citations , February 2015 in “Industrial Crops and Products”

Researchers found over 40 compounds in Bituminaria bituminosa, including many flavonoids and some with potential for medical and hair care uses.

research Human Scalp Hair Follicles Express Prostaglandin E2 Lipid Mediator and Receptors for PGE2

September 2013

Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.

research LC/MS Analysis of Stratum Corneum Lipids: Ceramide Profiling and Discovery

211 citations , March 2011 in “Journal of Lipid Research”

A new, quick method was developed to analyze skin lipids, discovering a new ceramide subclass.

research Determination of Finasteride in Human Plasma by HPLC-MS

1 citations , January 2005 in “Chinese Journal of Hospital Pharmacy”

The method reliably measures finasteride in human plasma.

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community Finasteride does deplete important nuero-active steroids

in Research/Science 9 upvotes 2 years ago

Finasteride can reduce neuroactive steroids, causing side effects like depression, anxiety, and sexual dysfunction. Some users experience persistent symptoms after stopping finasteride, while others use alternative treatments like topical solutions.