Gold Nanoparticles (IMAGE) University of Texas at Dallas Caption University of Texas at Dallas researchers are studying how the movement and elimination of nanoparticles through the kidney are affected by kidney damage. The recently found that X-rays of the kidneys using gold nanoparticles as a contrast agent might be more accurate in detecting kidney disease than standard laboratory blood tests. Credit University of Texas at Dallas Usage Restrictions with credit 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.