This scanning electron micrograph depicts the functional part of a nano-biosensor containing silicon nanowires. Field effect transistors are best known for their key role in computer microprocessors, but their compatibility with various microfabrication strategies has also led researchers to study them for biosensing applications. For example, glucose biosensors may lead to important innovations in the management of diabetes. The lithographic manufacturing processes involved in their production may mean that such sensors can be produced in quantity and scaled for different applications.
• SIZE: Each nanowire has a diameter of 50 nm.
• IMAGING TOOL: Scanning electron microscope
- Nanometer-sized things are very small, and often behave differently than larger things do.
- Nanoscience, nanotechnology, and nanoengineering lead to new knowledge and innovations that weren't possible before.
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