The problem? It is hard to capture and scan a single quantum dot over another nanoscale object.The UMD team's solution lies in a microfluidic device that manipulates and positions quantum dots using precision flow control. A computer algorithm analyzes the dots dispersed inside, selecting one to be the reporting probe. As the microfluidic device creates a fluid flow, the targeted dot begins to move. An image-guided feedback process continually tracks the dot's location and adjusts the flow accordingly. For example, if the dot is observed to be to the northwest of its desired location, a southeast flow is created to move it into place.
UMD Researchers Achieve Breakthrough In Nanoprecision Imaging
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