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Graph theory was successfully applied in developing a relationship between chemical structure and biological activity. The m-connectivity index of a graph G is defined to be mχ(G) = Σv1V2⋯Vm+1(dv1dV2⋯dVm+1)-1/2 where v. v. ⋯vm. . runs over all paths of length m in G and di is the degree of vertex vi. Cyclodextrins are a family of compounds widely used in food, pharmaceutical, and chemical industries...
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