| 초록 |
Zwitterionic sulfobetaine polymer surface has been of interest because of its excellent non-biofouling property, long-term stability, and easy availability of the monomer. However, lack of surface functionalizability has hampered further applications. In the present study, we demonstrate that tannic acid-iron (III) (TA-FeIII) coating is an effective tool for the post-functionalization of zwitterionic polymer surfaces, poly[(3-(methacryloylamino)propyl) dimethyl(3-sulfopropyl)ammonium hydroxide] (poly(MPDSAH)) surfaces. Utilizing TA-FeIII coating, the non-biofouling property of poly(MPDSAH) surfaces was easily converted to be protein- and diatom-friendly by a one-step procedure. Moreover, selective conversion of the surface property was achieved by combining with a soft lithographic technique, enabling the pattern generation of proteins and marine diatoms on surfaces. Given the versatility of the method and ease of use, we believe that this method can be a useful tool for the selective functionalization of non-biofouling surfaces. |
