| http://www.w3.org/ns/prov#value | - In a preferred embodiment, particularly for use in mechanism-2 systems, the ETMs are attached as polymers, for example as metallocene polymers, in a ???branched??? configuration similar to the ???branched DNA??? embodiments herein and as outlined in U.S. Pat. No. 5,124,246, using modified functionalized nucleotides.
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