Water-Soluble Graphene Covalently Functionalized by Biocompatible Poly-l-lysine
Langmuir2009Vol. 25(20), pp. 12030–12033
Citations Over TimeTop 1% of 2009 papers
Abstract
Graphene sheets functionalized covalently with biocompatible poly-l-lysine (PLL) were first synthesized in an alkaline solution. PLL-functionalized graphene is water-soluble and biocompatible, which makes it a novel material promising for biological applications. Graphene sheets played an important role as connectors to assemble these active amino groups of poly-l-lysine, which provided a very biocompatible environment for further functionalization, such as attaching bioactive molecules. As an example, an amplified biosensor toward H(2)O(2) based on linking peroxidase onto PLL-functionalized graphene was investigated.
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