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Polarization-enhanced detector with gold nanorods for detecting nanoscale rotational motion and method therefor
Polarization-enhanced detector with gold nanorods for detecting nanoscale rotational motion and method therefor
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机译:用于检测纳米级旋转运动的带有金纳米棒的偏振增强检测器及其方法
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摘要
A nanoscale motion detector attaches a gold nanorod (30) to the rotating arm (26) of a molecular structure (10) to cause the nanoparticle to rotate. The molecular structure is an F1-ATPase enzyme. The gold nanorod is exposed to a light source. The long axis of the gold nanorod scatters red light when the nanorod is in a first position. The short axis of the gold nanorod scatters green light when the nanorod is in a second position. A polarizing filter filters the red and green light to detect the rotational motion by observing alternating red and green lights. A detection DNA stand (50) is coupled between the gold nanorod and the molecular structure. The detection DNA strand hybridizes with a target DNA strand (58) if the target DNA strand matches the detection DNA strand to form a structural link between the molecular structure and gold nanorod.
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