Haiying Liu (Chem) is Principal Investigator on a project that has received a $459,000 award (Award Number 2R15GM114751-02) from the National Institute of General Medical Sciences of the National Institutes of Health. This new grant is based on a renewal proposal titled “Ratiometric Near-infrared Fluorescent Probes for Sensitive Detection of Lysosomal and Mitochondrial pH changes in Live Cells.” Ashutosh Tiwari (Chem) is Co-PI in this project.