Improved methods of analysis, ie, faster, more discriminatory, more sensitive, less costly,
etc., are needed for all abused substances. Additionally, standard analytical data are …

In the present study, a homemade mixed-mode ion-exchange sorbent based on silica with
embedded graphene microparticles is applied for the selective extraction of 2 …

The main objectives of this study are to synthesize a new solid-supported ionic liquid (SSIL)
that has a covalent bond between the solid support, ie, activated silica gel, with thiosalicylate …

A novel magnetic sulfonated covalent organic polymer was prepared for magnetic solid‐
phase extraction of protoberberine alkaloids. The magnetic sulfonated covalent organic …

With the rapid development of the food industry and the growing concerns about food safety,
it is particularly significant to develop fast, convenient and accurate techniques for food …