Copper–Ruthenium Composite as Perspective Material for Bioelectrodes: Laser-Assisted Synthesis, Biocompatibility Study, and an Impedance-Based Cellular Biosensor as Proof of Concep... oleh Daniil D. Stupin, Anna A. Abelit, Andrey S. Mereshchenko, Maxim S. Panov, Mikhail N. Ryazantsev