Journal
MICROMACHINES
Volume 12, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/mi12121546
Keywords
silicon; microelectromechanical systems; resonators; fabrication; biological applications
Categories
Funding
- JSPS Core-to-Core Program [JPJSCCA20190006]
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This paper explores the use of microtechnologies in the fields of biology and medicine, highlighting the untapped potential of silicon-based microelectromechanical systems. Innovative fabrication processes and experimental approaches have addressed performance issues of silicon-based microelectromechanical resonators and actuators in liquid environments.
The adaptability of microscale devices allows microtechnologies to be used for a wide range of applications. Biology and medicine are among those fields that, in recent decades, have applied microtechnologies to achieve new and improved functionality. However, despite their ability to achieve assay sensitivities that rival or exceed conventional standards, silicon-based microelectromechanical systems remain underutilised for biological and biomedical applications. Although microelectromechanical resonators and actuators do not always exhibit optimal performance in liquid due to electrical double layer formation and high damping, these issues have been solved with some innovative fabrication processes or alternative experimental approaches. This paper focuses on several examples of silicon-based resonating devices with a brief look at their fundamental sensing elements and key fabrication steps, as well as current and potential biological/biomedical applications.
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