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Experimental results of CNT dispersion preparation using (a) C.I. Reactive Blue 21, (b) 5,10,15,20-Tetrakis(4-aminophenyl)porphyrin, and (c) 5,10,15,20-Tetrakis(4-carboxymethyloxyphenyl) porphyrin. (When Cyanocobalamin or SDS was used, same result as in (a)).
