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Tag: Emerging Technologies

  • Atomic Force Microscopy (AFM)

    This technique allows the mapping of surfaces on a molecular or atomic scale. It can also be adapted to measure interatomic forces. The principle of operation of AFM is discussed as follows:  A silicon or silicon nitride probe with a fine (approximately 1 nm radius) tip is connected to a flexible cantilever. The molecular or…

  • Microelectromechanical System Transducers (MEMS)–Based Medical Sensors

    Microelectromechanical system transducers (MEMS) are fabricated using solid-state micromachining techniques that are typically employed by the semiconductor industry in the production of integrated circuits (ICs). Related: The application of Microprocessors in Medical Instrumentation A pressure sensor based on MEMS technology is based on the deflection of a micromachined silicon diaphragm mounted on a piezoelectric transducer…

  • Micrometer and Nanometer Biomedical Sensing Applications

    The advancements in microtechnology and, in particular, nanotechnology are transforming the fields of biosensors, prosthesis & implants and medical diagnostics. In medical diagnostics, these devices are being employed in combination with optical biosensing for external, lab-on-a-chip, high throughput screening for analysing blood and other samples. Several companies and researchers are developing optically based nanotechnology applications…