Table 2.

Kinetic Parameters for Ag⁺ Reduction with Different DNA Sequences in the Presence of Preformed Seed^a

	solution reduction				surface reduction
DNA sequence	k1′ (× 10−5)	k1 (× 10−6) (s−1 μM−1)	contribution (%)	absolute rate (× 10−3) (s−1 μM)	k2′ (× 10−6)	k2 (× 10−5) (s−1 μM−2)	contribution (%)	absolute rate (× 10−3) (s−1 μM)
T20	0.0402 ± 0.0020 s−1 μM−1	0.444 ± 0.022	0.01	7.26 ± 0.36	8.96 ± 0.89 s−1 μM−2	1.00 ± 0.01	99.9	359 ± 35.5
A20	1.53 ± 0.11 s−1	2.24 ± 0.16	40.3	1.45 ± 0.10	5.28 ± 0.18 s−1 μM−1	0.77 ± 0.03	59.7	2.16 ± 0.07
C20	1.29 ± 0.05 s−1	1.26 ± 0.05	100	1.23 ± 0.15			0

^aContribution of two reduction pathways and absolute rate were calculated when first 5% of ascorbic acid (Red) was consumed.