Xenon Biosensor (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption In xenon biosensors, the xenon atoms are temporarily held inside cryptophane cages. Attached linkers include a group to render the sensor soluble plus a targeting unit customized to seek out specific molecules, such as proteins on the surface of a cancer cell. Credit Lawrence Berkeley National Laboratory Usage Restrictions None License Licensed 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.