Effective Adsorption of Precious Metal Palladium over Polyethyleneimine-Functionalized Alumina Nanopowder and Its Reusability as a Catalyst for Energy and Environmental Applications.

16 Recently, there is an increasing trend in using amine functionality such as polyethyleneimine (PEI) toward environmental remediation as it is a biocompatible polymer that has been widely used in various biological applications including tissue engineering and drug delivery. 17 − 20 While the linear PEI is mainly consisted of secondary amines, the branched PEI possesses primary, secondary, and tertiary amine groups.

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