Chemistry

Reactive Paper Spray Ionization Mass Spectrometry for Rapid Detection of Estrogens in Cosmetics

D. Song, J. Liu, et al.

Discover the groundbreaking RPSI-MS method, developed by D Song, J Liu, and Y Liu, that enables rapid and sensitive detection of estrogens in cosmetics. With a staggering sensitivity improvement and eco-friendly characteristics, this innovative technique is poised to transform the cosmetics industry.

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Abstract

A novel reactive paper spray ionization mass spectrometry (RPSI-MS) method was developed for rapid and sensitive detection of estrogens in cosmetics. The method utilizes online derivatization with 2-fluoro-1-methyl-pyridinium-p-toluene-sulfonate (FluMP) to enhance the sensitivity of detection. The method showed good linearity (R² > 0.99), recovery (80–111%), and a low limit of detection (0.001 µg/mL) for estradiol, estriol, and ethinylestradiol. Compared to conventional PSI-MS, RPSI-MS showed a significant sensitivity improvement (34,000–80,000 times). The method is sensitive, eco-friendly, and suitable for rapid testing of estrogens in cosmetics.

Publisher

Molecules

Published On

Jul 27, 2023

Authors

D Song, J Liu, Y Liu, K Zacharis

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