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A ratiometric fluorescent molecular probe with enhanced two-photon response upon Zn 2+ binding for in vitro and in vivo bioimaging

Divya, Kizhmuri P.; Sreejith, Sivaramapanicker; Ashokkumar, Pichandi; Kang, Yuzhan; Peng, Qiwen; Maji, Swarup Kumar; Yan, Tong; Yu, Hanry; Zhao, Yanli; Ramamurthy, Perumal; Ajayaghosh, Ayyappanpillai (2014)

A bipyridine centered donor–acceptor–donor (D–π–A–π–D) type ratiometric fluorescent molecular probe exhibited an unprecedented enhancement in the two-photon absorption (2PA) cross section upon Zn2+ binding. Moreover, owing ...