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Dependence of UDLVO(r) upon interparticle distance between (■) two identical particles of 130 nm diameter with a renormalized charge of 1000; (○) between two identical particles of diameter 130 nm, where one particle has a renormalized charge of 1000 and the other 1100; (△) between a particle of diameter 130 nm and one 10% larger, both with a renormalized charge of 1000.
