A universal strategy for the fabrication of single-photon and multiphoton NIR nanoparticles by loading organic dyes into water-soluble polymer nanosponges oleh Li-Xing Yang, Yu-Cheng Liu, Chang-Hui Cho, Yi-Rou Chen, Chan-Shan Yang, Yin-Lin Lu, Zhiming Zhang, Yi-Tseng Tsai, Yu-Cheng Chin, Jiashing Yu, Hsiu-Min Pan, Wei-Rou Jiang, Zi-Chun Chia, Wei-Shiang Huang, Yu-Lin Chiu, Chun-Kai Sun, Yu-Ting Huang, Li-Ming Chen, Ken-Tsung Wong, Han-Min Huang, Chih-Hsin Chen, Yuan Jay Chang, Chih-Chia Huang, Tzu-Ming Liu