From multi-photon to single molecule, the past several decades have witnessed a revolution in fluorescent microscopy. These techniques have revealed the inner working of cells and tissue and have relied on symbiotic advances in advanced molecular probes, light emitting molecules and particles, and novel instrumentation. More recently, researchers have begun to develop functional nanomaterials or materials that can response to their environment. In this talk, I will discuss some of our recent work in developing functional imaging agents for multi-wavelength and multi-photon live-cell imaging, focusing on recent molecular designs performed using density functional theory as well as in vitro studies.
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