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pND324 belongs to a family of closely related theta-type plasmids from Lactococcus lactis. An antisense RNA, termed countertranscript (ctRNA), was identified which is complementary to the leader sequence of the mRNA that encodes RepB, a protein essential for plasmid replication. When the synthesis of ctRNA was abolished by site-directed mutagenesis within(More)
The way fluids flow into and fill nanotubes is of wide interest; however, there are currently no experimental data or validated theoretical models for this nanoscale process. We have carried out molecular dynamics simulations of carbon nanotubes imbibing oil at an oil/vapor interface at 300 K. We find that the smallest (7,7) nanotubes imbibe extremely(More)
We report molecular dynamics simulations of nanotubes imbibing decane at an oil/vapor interface at 300 K. We find that the smallest (7,7) nanotubes imbibe extremely rapidly (< or =800 ms), with the imbibition speed slowing as the tube's radius increases. The density profiles of the imbibing fluid in the pores are analyzed as a function of time. We find that(More)
Carbon nanotubes are potential building blocks for nanofluidic devices. The way fluids flow into and fill nanotubes is therefore of wide interest; however, there are currently no experimental data or theoretical models for this nanoscale process. We have carried out molecular dynamics simulations of nanotubes imbibing oil at an oil/vapor interface at 298 K.(More)
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