and cancer cell death via pH switchable near-infrared fl uorescence and photothermal e ff ects †

Key Laboratory of Smart Drug Delivery, Mi Fudan University, Shanghai 201203, China. State Key Laboratory of Oncogenes and Re School of Biomedical Engineering, Shangh Road, Shanghai, 200030, China. E-mail: xw Department of Chemistry, National Univ Singapore Department of Neurosurgery, Huashan Hosp China † Electronic supplementary informa characterization, experimental details an 10.1039/c6sc00221h Cite this: Chem. Sci., 2016, 7, 5995