The excited triplet state of zinc myoglobin was preferentially quenched by (S,S)-isomers of optically active viologens, 1,1′-bis(1-phenylethylcarbamoylmethyl)-4,4′-bipyridimum (OAV2+) and 1,1′-bis(1-(1-naphthyl)ethylcarbamoylmethyl)-4,4′-bipyridinium (NOAV2+) ions: kq((S,S)-)/kq((R,R)-) = 1.5 for NOAV2+ and 1.3 for OAV2+ at 25 °C and an ionic strength of 0.02 mol dm−3.
锌肌红蛋白的激发三重态优先被光学活性病毒素的(S,S)异构体--1、1′-双(1-苯基乙基
氨基甲酰甲基)-4,4′-联
吡啶(OAV2+)和 1,1′-双(1-(1-
萘基)乙基
氨基甲酰甲基)-4,4′-联
吡啶(NOAV2+)离子优先淬灭:kq((S,S)-)/kq((R,R)-)在 25 °C 和离子强度为 0.02 mol dm-3 时,NOAV2+ 的 kq((S,S)-)/kq((R,R)-) = 1.5,OAV2+ 的 kq((S,S)-)/kq((R,R)-) = 1.3。