Surface modification of poly(tetrafluorethylene) magnetic stirring bars with plasma of hexamethyldisiloxane and its applications in the stir bar sorptive extraction technique. Superficies y Vacio. 2012;25(1):49-55. Accessed January 22, 2026. https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/228