Membranes based on poly(2-hydroxyethyl methacrylate), chemically modified with ferrocene functionalities, are proposed as novel coatings for the development of disposable amperometric sensors. They are mass-produced on an inert support through an UV photo-induced polymerization, forming self-standing films that can be transferred on an electrode surface. Thanks to the characteristic of the functionalized methacrylate matrix to rapidly and reversibly swell by incorporation of large amounts of water, the ferrocene moieties are in intimate contact with the electrolytic solution. They can activate effective electrocatalytic processes that can be exploited in the field of amperometric sensing. The performance of the methacrylate coating with respect to the determination of hydroquinone benchmark analyte has been tested both in a static solution and in a flux cell.

Development of a redox polymer based on poly(2-hydroxyethyl methacrylate)for disposable amperometric sensors / Zanardi, Chiara; Pigani, Laura; Maccaferri, Giulio; DEGLI ESPOSTI, Micaela; Fabbri, Paola; Zannini, Paolo; Seeber, Renato. - In: ELECTROCHEMISTRY COMMUNICATIONS. - ISSN 1388-2481. - STAMPA. - 62(2016), pp. 34-37. [10.1016/j.elecom.2015.10.024]

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