%0 Journal Article %T Incorporation of functionalized gold nanoparticles into nanofibers for enhanced attachment and differentiation of mammalian cells %A Dongju Jung %A Itsunari Minami %A Patel Sahishnu %A Jonghwan Lee %A Bin Jiang %A Qinghua Yuan %A Liu Li %A Sachiko Kobayashi %A Yong Chen %A KiBum Lee %A Norio Nakatsuji %J Journal of Nanobiotechnology %D 2012 %I BioMed Central %R 10.1186/1477-3155-10-23 %X Small molecules, peptides, and functionalized gold nanoparticles were successfully incorporated with polymethylglutarimide (PMGI) nanofibers through electrospinning. The PMGI nanofibers functionalized by the grafted AuNPs, which were labeled with cell-adhesive peptides, enhanced HeLa cell attachment and potentiated cardiomyocyte differentiation of human pluripotent stem cells.PMGI nanofibers can be functionalized simply by co-electrospinning with the grafting materials. In addition, grafting functionalized AuNPs enable high-density localization of the cell-adhesive peptides on the nanofiber. The results of the present study suggest that more cell type-specific synthetic substrata can be fabricated with molecule-doped nanofibers, in which diverse functional molecules are grafted alone or in combination with other molecules at different concentrations. %K Molecule-doped nanofiber %K Synthetic nanofiber substrata %K Functionalized gold nanoparticles %U http://www.jnanobiotechnology.com/content/10/1/23/abstract