MicroRNA Extraction Using Nanowires (video) Nagoya University Share Print E-Mail Loading video... Caption After introducing a urine sample onto the device, extracellular vesicles are captured by a nanowire substrate via electrostatic forces. MicroRNAs can then be directly extracted from the substrate. Credit Takao Yasui Usage Restrictions credit: Takao Yasui Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.