Abstract
AbstractThere has been a constant and urgent need to upgrade the current diagnostic technologies to the next generation by utilizing innovative advanced technologies in order to meet new challenges. Micro/nano technology, a series of methods for design and manipulation materials at the micrometer and nanometer scales, which perfectly covers the key building blocks of life including cells, organelles, proteins, nucleic acids, and other components, has unique advantages over current diagnostic methods. For the applications of micro–nano technology in next‐generation diagnostics, three categories, including microchip‐based devices, DNA nanomachines, and DNA nanomaterials, are extensively reviewed. Specifically, for the microchip‐based devices, terahertz technology and surface acoustic wave technology show their ultrasensitivity of label‐free, amplification‐free diagnosis. For the DNA nanomachines, DNA tweezers, DNA robots, and DNA walkers exhibit a great potential for diagnosis with the arbitrary structures and controllable motion behaviors. For the DNA nanomaterials, DNA aptamers, DNAzymes, and hybrid DNA nanomaterials provide sensitive biorecognition elements and versatile signal transductions, which are demonstrated as promising material candidates for the next‐generation diagnostics. Through this review, it is envisioned that micro/nano technologies will play an important role in the next‐generation diagnostics.
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