نتایج جستجو برای: cruciform missiles
تعداد نتایج: 2039 فیلتر نتایج به سال:
A cruciform-shaped oligo(phenylenevinylene) (OPV) with a phosphorescent rhenium(I) chromophore incorporated at the centre and grafted triphenylamines around the periphery was designed as a new organic photovoltaic material, in which the chelation of rhenium(I) to the cruciform successfully constructs a three-dimensional intramolecular charge transfer system and extends the exciton lifetime; as ...
There is an emerging consensus that secondary structures of DNA have the potential for genomic instability. Palindromic AT-rich repeats (PATRRs) are a characteristic sequence identified at each breakpoint of the recurrent constitutional t(11;22) and t(17;22) translocations in humans, named PATRR22 (approximately 600 bp), PATRR11 (approximately 450 bp) and PATRR17 (approximately 190 bp). The sec...
In fiber reinforced composite materials, the interface between the fiber and the matrix plays akey role in mechanical properties of composite materials. Therefore, a more accurateevaluation method of the interface is necessary to develop better fiber reinforced compositematerials. Many techniques are used for evaluating the interfacialproperties. Recently, anexperimental met...
Having designed the control system, the next stage was to test whether these motion camouflage controllers would be able to fool humans! We did this by performing a novel psychophysical experiment that masqueraded as a computer game competition. The competition was based on a 3D computer game (Missile Defence) of the popular first-person shoot-em-up genre: purpose-written to allow comparison of...
Plasmid pT181 DNA secondary structures have been analyzed in vitro by nuclease S1 digestion and in vivo by bromoacetaldehyde treatment. A cruciform structure occurring at the pT181 replication origin in vitro is greatly enhanced by the binding of the plasmid-encoded initiator protein RepC. In vivo a DNA secondary structure also existed in the replication origin. Its frequency of formation was c...
Two palindromic DNA sequences were analyzed with respect to their chemical reactivities with diethyl pyrocarbonate. In negatively supercoiled plasmid templates enhanced N7 carbethoxylation was found with individual purines located in presumptive single-stranded loops of DNA cruciform structures. No enhanced reactivity at these positions was observed in linear, relaxed or low superhelical densit...
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