How big is the 3DNA dendrimer?
The Array 900 and 350 series kits contain four-layer dendrimers. A four layer dendrimer theoretically has 324 single stranded DNA arms in the outer layer. The diameter of a four layer dendrimer is 182-190 nm and the molecular weight is 1.2 x 107 Daltons. The Array 50 and FISH products contain two layer dendrimers. A two layer dendrimer theoretically has 45 single stranded DNA arms in the outer layer. The diameter of a two layer dendrimer is 70-90 nm and the molecular weight is 1.3 x 106 Daltons. We can make dendrimers in a wide range of sizes, but have found that the above sizes work most appropriately for their associated applications.