%0 Journal Article %T Multi-frequency passive and active microrheology with optical tweezers %A Kumar, Randhir %A Vitali, Valerio %A Wiedemann, Timo %A Meissner, Robert %A Minzioni, Paolo %A Denz, Cornelia %J Scientific Reports %V 11 %N 1 %D 2021-07-06 %I Nature Publishing Group UK %~ DeepDyve