NiTrac Sensor (image) Carnegie Institution Caption The NiTrac sensor developed by Cheng Hsun Ho and Wolf Frommer of the Carnegie Institution for Science will enable non-invasive real-time monitoring of nitrogen acquisition in action in plant roots, providing a new tool set that can be used to improve nitrogen efficiency. The novel sensor technology is widely applicable and useful also for cancer and neurobiology. Credit Cheng Hsun Ho and Wolf Frommer Usage Restrictions With credit 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.