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By fusing together parallelogram-shaped DNA units, which are formed from four four-arm-branched DNA junctions (see figure), it has been possible to construct periodic DNA lattices in which the size of the rhombus-like cavities can be tuned by using a variety of linking units. Such designs have potential applications for constructing combinatorial and addressable DNA lattices for complex molecular architectures.
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Liu et al. (2005) studied this question.
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