. Author manuscript; available in PMC: 2013 Dec 17.

Published in final edited form as: Bioelectrochemistry. 2009 Mar 20;76(0):10.1016/j.bioelechem.2009.03.007. doi: 10.1016/j.bioelechem.2009.03.007

Table 2.

Effects of co-adsorbate on electron transfer kinetics and reversibility of the methylene blue tag.

Thiol	k_s/s⁻¹	ΔE_p/2/mV
β-Mercaptoethanol	94.4±5	96±1
6-mercapto-1-hexanol	23.6±2	89±1
11-mercapto-1-undecanol	17.7±2	95±1
Cysteamine (2-mercaptoethylamine)	17.7±2	99
Mercaptoethane sulfonic acid	9.5±1	107