Abstract
Successful development of ultrasensitive constructs for bioimaging and biosensing is a challenging task. Recently, viruses have drawn increasing attention due to their exquisite three-dimensional structures and unique properties, including multivalency, orthogonal reactivities, and responsiveness to genetic modifications. With such well-characterized structures, functional units, such as imaging and binding motifs, can be engineered on the surface of viruses in a programmable, polyvalent manner, which leads to novel nanosized sensing/imaging systems with enhanced signaling and targeting performance. This review highlights some recent progress in the applications of viruses in bioimaging and biosensing.
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