Cell culture devices for laboratory use and parts thereof, in particular carriers with micro- and nanostructured surfaces for cell cultures; disposable plastic bioreaction vessels for cell cultures and parts thereof, in particular carriers with micro- and nanostructured surfaces for cell cultures; biosensors and parts thereof, in particular sensor surfaces with micro- and nanostructured surfaces; biochips and parts thereof; chips for diagnostics and parts thereof, in particular microfluidic c...