Kim Sweers*, Kees van der Werf, Martin Bennink and Vinod Subramaniam*
* Corresponding authors: Kim Sweers k.k.m.sweers@utwente.nl - Vinod Subramaniam v.subramaniam@utwente.nl
Nanoscale Research Letters 2011, 6:270 doi:10.1186/1556-276X-6-270