Abstract
This chapter surveys more than 100 studies performed over the past 10 years where the fluorescence of pyrene covalently attached onto a polymer was used to provide information about the polymeric system being investigated. It confirms the status of pyrene as being by far the most frequently used chromophore in fluorescence studies of labeled polymers. The applications for pyrene-labeled polymers are varied and their variety is bound to increase as more fluorescence-based tools are being devised to study new aspects of polymer science. Examples have been provided where the fluorescence of pyrene-labeled polymers has been used to study hydrophobically modified water soluble polymers, hydrophilically modified oil-soluble polymers, polymer chain dynamics, polymers with branched architectures, polymer/particle interfaces, polymer films, polymeric gels, and biological samples. Whether the chain onto which the pyrene label is attached is in a fluid solution or a solid matrix, the fluorescence of pyrene always provides information about its local microenvironment.
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