ET mediated by polyunsaturated bridges

This trend is nicely revealed by the ET distance dependence studies carried out on the SAMs of unsaturated bridges shown in Fig. 24. The /3 value for ET mediated by the saturated polymethylene bridge, determined from conducting probe atomic force microscopy, is 0.94 A-1 (Fig. 24a).121 (/3 for this system is also given in Fig. 19e, but in units of bond-1 all /3 values listed in Fig. 24 are in A-1 units because they were reported in this form in the literature.). A similar /3 value of 0.90 A-1 was 

Full Fock NBO matrix Blank Fock NBO matrix 

In contrast, there is an abrupt change in the ET mechanism beginning with 29(3), for which the charge separation rate is greater than that for 29(1), even though the 

This type of analysis enables one to find the optimal tunnelling pathways within a particular protein.155 

Electron transfer within the DNA duplex has been extensively reviewed recently and only a brief discussion will be given here.  

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