Rupert Kargl, Tamilselvan Mohan, Stefan Köstler, Stefan Spirk, Aleš Doliška, Karin Stana-Kleinschek and Volker Ribitsch Functional Patterning of Biopolymer Thin Films Using Enzymes and Lithographic Methods Advanced Functional Materials 23
The microstructuring of nanometric polymer thin films is demonstrated by two methods. Enzymatic digestion in combination with soft-lithography is used to obtain patterned surfaces. Alternatively structured regeneration of a cellulose derivative to pure cellulose leads to surfaces with spatially separated wettabilities and different chemical functionality. Subsequent enzymatic digestion of the cellulose structures further allows the manufacturing of desired surface patterns.
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