In both solvent regimes

In both solvent regimes PF-00299804 the oligomer is found to extend in the direction of flow. Under the ideal solvent conditions, torsional twisting of the chain and aperiodic cyclical dynamics are observed for the end of the oligomer. Under poor solvent conditions, a metastable helix forms in the end of the chain

despite the lack of any attractive potential between beads in the oligomeric chain. The formation of the helix is postulated to be the result of a solvent induced chain collapse that has been confined to a single dimension by a strong flow field. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4731662]“
“The paper describes a challenge of innovation in the field magnetic sensing devices. The main idea is the use of

magnetic nanowires as sensors for electric or nonelectric quantities. Two main problems have to be solved: contacting the nanowires and their reduced sensitivity. Thus, custom templates are obtained using an ion microprobe or a single ion irradiation facility to irradiate polycarbonate foils. After etching the ion tracks and after filling the resulting nanopores with desired metals, contacts are added using sputtering through masks or etching the previously Cu deposited layer like in PCB. Using nanowires as sensitive elements the achievement of two sensors will be demonstrated: a current sensor using single nanowire and an angular sensor using two technical solutions. The current sensor will be based on check details a single nanowire embedded in a polycarbonate (PC) foil. The angular sensor uses 8 magnetic nanowires or groups of nanowires connected in parallel, equidistant placed on a circle and connected in two Wheatstone bridges.”
“The combination of dendrons and high temperature acrylate polymerization represents a viable route to form dendronized macromonomers. Dendronized acrylates based on 2,2-bis(hydroxymethyl) propionic acid (bis-MPA) were synthesized using dendrimer synthesis and click chemistry (copper catalyzed azide alkyne cycloaddition (CuAAC)). The synthesis was carried out up to the 3rd generation and with a

carbon Duvelisib solubility dmso spacer length of 6 or 9 between the acrylic function and the dendron core. These dendronized acrylates were subjected to auto-initiated high temperature acrylate polymerization. The polymerization was performed at 140 degrees C in a 5 wt% solution of hexyl acetate with a 2,2′-azobis(isobutyronitrile) (AIBN) concentration of 5 x 10(-3) g mol(-1). The vinyl terminated polymers were in-depth characterized via size exclusion chromatography (SEC) and size exclusion chromatography coupled to electrospray ionization mass spectrometry (SEC-ESI-MS) to assess the generated product spectrum and the efficiency of the process. The achievable number average molecular weight, M(n), was between 1700 and 4400 g mol(-1).

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