We outline some of the possible applications of nanotechnology to modern molecular biology and discuss several technologies that can be used to make nanoscale confining environments (channels or post arrays) for long polymers such as DNA. A particular emphasis is placed on making large arrays using non-electron beam lithography methods. We then discuss how focused ion beam (FIB) milling can be used to construct nearfield slits for examining molecules.
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Austin et al. (2002) studied this question.