Size-dependent interaction of a 3-arm star poly(ethylene glycol) with two biological nanopores Monasadat Talarimoghari, Gerhard Baaken, Ralf Hanselmann and Jan C. Behrends Eur. Phys. J. E, 41 6 (2018) 77 Published online: 18 June 2018 DOI: 10.1140/epje/i2018-11687-6