Tetrakis (4-carboxyphenyl) porphyrin (TCPP) plays the role of a metal remover[1].
[1]. Eun-Young Jeong, et al. Removal of Cu(II) from water by tetrakis(4-carboxyphenyl) porphyrin-functionalized mesoporous silica. J Hazard Mater. 2011 Jan 30;185(2-3):1311-7.
















