Preparation of quinine and poly (ionic liquid)s co-modified silica gel and its application in mixed mode chromatographic separation. (PubMed, J Chromatogr A) - Jul 13, 2026 - "Finally, Sil-PQn-IL enabled simultaneous analysis of polyphenols (rutin, chlorogenic acid, scopolamine) and inorganic anions (nitrate, nitrite) in tobacco samples by switching between RPLC and HILIC modes on a single column. This work presents a promising stationary phase for comprehensive analysis of complex matrices, offering significant advantages in flexibility, efficiency, and cost-effectiveness for routine analytical applications."
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Hanlin Zeng; Hanqi Yang; Huanjun Peng; Jingdong Peng
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