Colloids and Surfaces A: Physicochemical and Engineering Aspects《胶体与表面A辑:物理化学与工程》(半月刊). Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.