We have found that a short stretch (30mer or larger) of triple-stranded DNA structure formed at the terminus (or very near) of linear DNA molecules is unusually stable, withstanding heat treatment at as high as 95 degrees C. The stable triple-stranded structure is formed only when deoxyoligonucleotides are complementary to the strand terminating with 5'-phosphate and not to the strand terminati...

We present an electrode, based on structurally controlled nanowires, as a first step towards developing a useful nanostructured device for neurophysiological measurements in vivo. The sensing part of the electrode is made of a metal film deposited on top of an array of epitaxially grown gallium phosphide nanowires. We achieved the first functional testing of the nanowire-based electrode by perf...

The synthesis is described of a series of meta and para-substituted phenylsulfonate derivatives of very bright Eu(III) complexes with arylphosphinate groups and strongly absorbing arylalkynylpyridine moieties. The synthetic route involved the early introduction of trifluoroethyl esters to protect the sulfonic acid group, withstanding the use of reagents including acetyl bromide and mCPBA, and t...

Nurses often practice in chaotic, demanding work environments. Understanding the negative impact these environments have on nurses and patients is paramount to halting this epidemic. Researchers' decade-old call for administrators and managers to correct this occupational hazard is ineffective in decreasing the effects of prolonged work-related stress on nurses. Staff development educators' mod...

Abstract Single- and multilayer graphene sheets (MLGSs) are projectile-resisting materials that can be bombarded by nanoparticles to produce graphene sheets of various sizes and distributions of nanopores. These sheets are used in a variety of applications, including DNA sequencing, water desalination, and phase separation. Here, the impact-withstanding efficiency of graphene nanosheets and the...

Nanocryotrons produce a shift register capable of coupling with compatible photon detectors and withstanding strong magnetic fields.