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Temporal electrical response of chiral smectic liquid crystal displays with V/W-shaped electrooptical characteristic

100%

Pena J. M. S. , Pérez I. , Urruchi J. , Torres J. C. , Otón J. M.

Opto-Electronics Review

2008

tom Vol. 16, No. 2

189-193

Chiral smectic liquid crystal cells showing V-shaped electrooptical switching have been reported as one of the most promising technologies for high-end display applications. In this work, time-resolved electrical behaviour of these devices has been obtained through a set of systematic measurements. The electrical equivalent circuit has been derived, a number of simulations at different frequencies have been performed using commercial software for analogue circuits. Performance of this electrical model to account for time domain variations of switching currents in chiral smectic LC displays with V/W-shaped electrooptical response has been analyzed as well.

The influence of heterocyclic compound - PAMAM dendrimer complexes on evoked electrical responses in slices of hypoxic brain tissue

72%

Potkin V. I. , Shcharbin D. , Denisov A. A. , Paschkevich S. G. , Bryszewska M. , Petkevich S. K. , Kletskov A. V. , Lapotko D. O. , Kazbanov V. V. , Gurinovich T. A. , Kulchitsky V. A.

Cellular and Molecular Biology Letters

2014

tom 19

nr 2

We used complexes between a fourth generation polyamidoamine (PAMAM) dendrimer and one of two heterocyclic compounds — 1-(6-hydroxyhexyl)-3-(5-phenyl-isoxazole-3-yl)-urea or 5-phenyl-isoxazole-3-carboxylic acid — to reduce oxygen consumption in transverse slices of the hippocampus taken from 4-week old male rats. In vitro electrophysiological experiments revealed that the inhibitory effect of the hypoxic state on the evoked responses was enhanced in the presence of the complexes. The data were analyzed in terms of the potential antitumor effects of these complexes.