Dendritic polyglycerol-poly(ethylene glycol)-based polymer networks for biosensing application

Pradip Dey, Miriam Adamovski, Simon Friebe, Artavazd Badalyan, Radu Cristian Mutihac, Florian Paulus, Silke Leimkühler, Ulla Wollenberger*, Rainer Haag

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This work describes the formation of a new dendritic polyglycerol- poly(ethylene glycol)-based 3D polymer network as a matrix for immobilization of the redox enzyme periplasmatic aldehyde oxidoreductase to create an electrochemical biosensor. The novel network is built directly on the gold surface, where it simultaneously stabilizes the enzyme for up to 4 days. The prepared biosensors can be used for amperometric detection of benzaldehyde in the range of 0.8-400 μM.

Original languageEnglish
Pages (from-to)8937-8941
Number of pages5
JournalACS Applied Materials and Interfaces
Issue number12
StatePublished - 25 Jun 2014
Externally publishedYes


  • amperometry
  • biosensors
  • dendritic
  • hydrogel


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