Reversible self-assembly and directed assembly of DNA-linked micrometer-sized colloids
作者： M.-P. Valignat , O. Theodoly , J. C. Crocker , W. B. Russel , P. M. Chaikin
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摘要: We present a technique for the directed assembly and self-assembly of micrometer-scale structures based on control specific DNA linkages between colloidal particles. The use links combined with polymer brushes provides an effective way to regulate range magnitude addressable forces pairs (and further combinations) different demonstrate that autoassembly alternate microbeads as well their assembly, by using laser tweezers, is reversible. key reversibility preventing particles from falling into van der Waals at close distances. This goal achieved adsorbed polymers limit number bridges one three adjacent
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