The structural factors of a saccharide link in an energy-transfer system us
ing porphyrinatozinc-porphyrin couples and an electron-transfer system usin
g porphyrinatozinc-anthraquinone coup les have been estimated: it was found
that the structual change in the saccharide scarcely affects the efficienc
y of the former system but does affect that of the latter system. (C) 1999
Elsevier Science Ltd. All rights reserved.