Nanodevices are molecules designed for specific functions at the nanoscale level, which is measured in nanometers or one billionth of a meter. They can be designed using computer software and manufactured using either a top-down approach that molds or etches larger materials into smaller components, or a bottom-up approach that assembles structures atom by atom. Potential applications of nanodevices include using changes in surface tension induced by DNA or proteins to detect molecules via cantilever bending, and developing probes that release different intensities and colors of light from quantum dots for detection purposes. Nanodevices offer many potential benefits across various fields like medicine, electronics, and optoelectronics.

1. University of Wales Swansea Multidisciplinary Nanotechnology Centre Nanoscale Devices: Their design, manufacture and application By S. S. Rehman (180049) Date: 20/01/06