This unique edited compendium consists of peer-reviewed articles focusing on 2D materials-based nanoelectronics to nanophotonic devices for biosensors and bio-nano-systems.Wide-ranging topics span from novel systems for implementing data with security tokens, single chemical sensor for multi-analyte mixture detection, additively manufactured RF devices for communication, packaging, remote sensing, to energy harvesting applications.Quantum dot-based devices featuring optical modulators and mid-infrared photodetectors in the form of Ferroelectric and quantum dot non-volatile memories,...