Polynucleotides covalently bound way to a solid support, and process for obtaining them

THE INVENTION WITH RESPECT TO A MOLECULE IN SUPPORT STRUCTURE AT LEAST A GROUP Nucleoside FIXED SO COVALENT A SOLID SUPPORT, THE SITE OF FIXING THE GROUP Nucleoside SPEAKER AT THE BASE INCOMING IN THE CONSTITUTION OF THAT GROUP Nucleoside. Nucleoside THIS GROUP IS IN GENERAL TO POLYNUCLEOTIDE. THIS IS APPLICABLE TO THE CONSTITUTION OF SENSORS FOR DETECTION AND SEPARATION OF DNA COMPLEMENTARY SEQUENCE.