2D Germanane Derivative as a Vector for Overcoming Doxorubicin Resistance in Cancer Cells Michaela Fojtů, Jan Balvan, Martina Raudenská, Tomáš Vičař, Jiří Šturala, Zdeněk Sofer, Jan Luxa, Jan Plutnar, Michal Masařík , and Martin Pumera* Applied Materials Today 2020, 20(), 100697