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- n. Any of three isomeric univalent radicals derived from nitrobenzene
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To build a hydrogel that could be manipulated with light, Anseth and her colleagues incorporated nitrobenzyl ether, a molecule that can be cleaved with wavelengths of light that do not damage cells.
That's a trait that makes these quantum dots suitable as labels for a new breed of super-resolution microscopy capable of imaging single molecules. ortho-nitrobenzyl groups with ultraviolet light turns on quantum dot luminescence.
Cohen and coworkers achieve this control by coating quantum dots with dithiolate ligands connected to ortho-nitrobenzyl (ONB) groups through a phosphoryl linker.