This study aims to encapsulate atenolol within floating alginate-ethylcellulose beads as an oral controlled-release delivery system using aqueous colloidal polymer dispersion (ACPD) method. To optimize drug entrapment efficiency and dissolution behavior of the prepared beads. different parameters of drug: polymer ratio. polymer mixture ratio. https://www.patricianorvellmakeupandhair.com/product-category/traditional-art/