INL UMR5270 CNRS Ecole Centrale de Lyon, 36 avenue G. de Collongue, 69134 Ecully cedex, France.
Two glycoconjugates bearing different DNA tags are mixed in solution with lectins; both interact with their specific lectin and the resulting complexes are sorted, according to their DNA sequences, at the surface of micro-reactors bearing the immobilised complementary DNA sequences.