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Table 1 Recent studies on the reduction of 4-NP with biologically synthesized AuNPs

From: Glucomannan-mediated facile synthesis of gold nanoparticles for catalytic reduction of 4-nitrophenol

Composition T(K) Size (nm) Rate constant (s-1)
α-Cyclodextrin-coated AuNPs[36] 298 11 to 26 2.98 to 4.65 × 10-3
Au-calcium alginate composite[37] 291 to 306 5 ± 2 0.23 to 0.33 × 10-3
AuNPs synthesized with fruit extract (Prunus domestica)[38] 298 4 to 38 1.9 to 5.1× 10-3
AuNPs synthesized with protein extract (Rhizopus oryzae)[39] 303 5 to 65 2.81 to 4.13× 10-3
KGM-synthesized AuNPs (this work) 298 12 to 31 6.03 × 10-3