ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces
5 years ago

Review of Electrochemically Triggered Macromolecular Film Buildup Processes and Their Biomedical Applications

Review of Electrochemically Triggered Macromolecular Film Buildup Processes and Their Biomedical Applications
Clément Maerten, Pierre Schaaf, Fouzia Boulmedais, Loïc Jierry
Macromolecular coatings play an important role in many technological areas, ranging from the car industry to biosensors. Among the different coating technologies, electrochemically triggered processes are extremely powerful because they allow in particular spatial confinement of the film buildup up to the micrometer scale on microelectrodes. Here, we review the latest advances in the field of electrochemically triggered macromolecular film buildup processes performed in aqueous solutions. All these processes will be discussed and related to their several applications such as corrosion prevention, biosensors, antimicrobial coatings, drug-release, barrier properties and cell encapsulation. Special emphasis will be put on applications in the rapidly growing field of biosensors. Using polymers or proteins, the electrochemical buildup of the films can result from a local change of macromolecules solubility, self-assembly of polyelectrolytes through electrostatic/ionic interactions or covalent cross-linking between different macromolecules. The assembly process can be in one step or performed step-by-step based on an electrical trigger affecting directly the interacting macromolecules or generating ionic species.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b06319

DOI: 10.1021/acsami.7b06319

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