Silicon nitride nanopore-based sensing device- (IMAGE) American Institute of Physics Caption This silicon nitride nanopore-based sensing device is providing insight into tau and tubulin protein molecules behind Alzheimer's and Parkinson's diseases. Credit Jiali Li Usage Restrictions Journalists may use this image only with appropriate credit and when reporting on this research. License Original content 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.