The art and science of etching, writing or printing at the microscopic level in the order of nanometer is ________.

Nanobiotechnology, bionanotechnology, and nanobiology are terms that refer to the intersection of nanotechnology and biology. Given that the subject is one that has only emerged very recently, bionanotechnology and nanobiotechnology serve as blanket terms for various related technologies.

Example of Nano Biotechnology: Nanoparticles can serve as probes, sensors or vehicles for biomolecule delivery in cellular systems.