KDMN-based ‘AND’ logic MRI-FI dual-mode imaging for tumor malignancy identification (IMAGE) Science China Press Caption A K+ sensitive dual-mode nanoprobe with superior magnetic resonance contrast effect and K+-specific fluorescence imaging performance is developed for non-invasive tumor imaging and malignancy identification via a cascaded ‘AND’ logic operation. Credit ©Science China Press Usage Restrictions Use 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.