1. Dye-conjugated upconversion nanoparticles for ratiometric imaging of intracellular pH values. Issue 26 (8th June 2015) Authors: Ma, Tingchun; Ma, Yun; Liu, Shujuan; Zhang, Lili; Yang, Tianshe; Yang, Hui-Ran; Lv, Wen; Yu, Qi; Xu, Wenjuan; Zhao, Qiang; Huang, Wei Journal: Journal of materials chemistry Issue: Volume 3:Issue 26(2015) Page Start: 6616 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗