Synopsis
It was confirmed by EPR that 4-amino-2,2,6,6--tetramethylpiperidine-N-oxyl (TEMP-NH2) is cleaved by chymotrypsin from 4-(N-glycyl-L-phenylalanyl)amino −2,2,6,6-tetramethylpiperidine-N-oxyl attached as a substrate with paramagnetic leaving group to the end of side chains of water soluble hydroxypropyl methacrylamide (HPMA) compolymers.
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Labský, J., Pilař, J. & Kálal, J. EPR study of enzymatic cleavage of side chains of water soluble polymers using spin-label as a leaving group. Polymer Bulletin 1, 585–591 (1979). https://doi.org/10.1007/BF00254135
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DOI: https://doi.org/10.1007/BF00254135