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Novel silica nanoparticles mimicking virus surface topography are prepared. It is demonstrated that increases in nanoscale surface roughness promote both binding of biomolecules and cellular uptake; thus, the cellular delivery efficiency is significantly increased (scale bars 20 μm). As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Niu et al. (Thu,) studied this question.