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2009 APR 14 ... averaged dynamics of proteins to their biological functionality, with the ion channel gramicidin A, a phosphorylase, and neuropeptide Y as examples. In an environment akin to dilute ...
2009 APR 14 ... is able to provide good fits to conductance data for sodium permeation through the gramicidin A channel," wrote E. Abad and colleagues, University of Oxford.
The ...
2009 MAY 11 ... of P2 to 50%, [K+](o) needed to be lowered to 1.5 mM. In the presence of the ionophore gramicidin, [K+](o) reduction to only 2.5 mM yielded the same effect. Acetazolamide normalized this ...
2009 AUG 11 ... the cation-transport free-energy profile of replacing the C-terminal ethanolamine in the gramicidin A channel with a taurine residue is studied using molecular dynamics simulations of ...
2009 APR 13 ... research from Barcelona, Spain, "Analogues of the cationic antimicrobial peptide gramicidin S (GS), cyclo(Val-Orn-Leu-D-Phe-Pro)(2), with D-Phe residues replaced by different ...
2009 JUL 6 ... A new study, 'Modeling negative ion defect migration through the gramicidin A channel,' is now available. "The results of potential of mean force (PMF) ...
2009 JUN 8 ... "In a series of cyclic peptides based on GS 10, an analogue of gramicidin S (GS), the ring size was varied from 10 to 16 amino acids. Alternative addition of ...
2009 MAY 25 ... mV) in 37/46 FSIs. Similar effects were observed using conventional whole-cell and gramicidin perforated-patch techniques. The serotonin effects persisted in the presence of ...
2009 JUN 16 ... the curvature can be varied by changes in osmotic pressure. Furthermore, the ionophore gramicidin can be incorporated into the bilayers, making them selectively permeable to monovalent ...
2009 JUN 15 ... this work, we show molecular resolution scanning tunneling microscopy (STM) images of gramicidin, a model antibacterial peptide, inserted into a phospholipid matrix. The resolution of ...
2009 OCT 20 ... show that when shielded silicon NW transistors incorporate transmembrane peptide pores gramicidin A and alamethicin in the lipid bilayer they can achieve ionic to electronic signal ...
2009 NOV 23 ... in enhanced photodynamic activity of AlPcN4 as measured by the photosensitized damage of gramicidin channels in a planar bilayer lipid membrane. The largest difference in the photodynamic ...
2009 JUN 30 ... and motor neurons (MNs) derived from fetal stage embryonic day 14."
"Gramicidin-perforated patch-clamp recordings revealed that DRGNs accumulate intracellular Cl- ...
2009 NOV 2 ... GABA(B) receptor (GABA(B)R)- mediated modulation of synaptic transmission in NL neurons. Gramicidin-perforated recordings from acute brain stem slice preparations showed that the reversal ...
2009 JUL 20 ... depolarisation and glutamate release were established in response to high-KCl and gramicidin challenges. Half-maximal release corresponded to a 52 mV depolarisation step. ...
2009 MAR 16 ... oxydans, we carried out screening of natural compounds and identified scopafungin and gramicidin S as inhibitors for G. oxydans NDH-II," wrote T. Mogi and colleagues, University of ...
2009 MAR 30 ... and of the repulsive energy between excess charges. The second electron affinity of gramicidin was found to amount to 2.35 +/- 0.15 eV, and the value of the repulsive Coulomb barrier ...
2009 MAY 18 ... indirectly after long-term exposure to cardiac glycosides or directly after exposure to gramicidin in low sodium media-is sufficient to disrupt hERG trafficking. In K+-depleted cells, ...
2009 SEP 28 ... and after ion deposition was monitored using IRRAS. Physisorption of a cyclic peptide, Gramicidin S (GS), was studied for 8 h during deposition and additional 12 h after the end of ...
2009 AUG 18 ... Similar to S. aureus, B. anthracis lrgAB transcription was shown to be induced by gramicidin and CCCP, agents known to dissipate the proton motive force, in a lytSR-dependent ...
