词汇 | uncharged |
释义 | BETA Examples of unchargeduncharged isn’t in the Cambridge Dictionary yet. You can help! Uncharged probes have been utilized for only a few identified connexins. Dormancy-breaking activity requires the presence of the uncharged chemical species. These probes are thus chemically identical, relatively rigid, uncharged, fluorescent, and of a range of sizes. The situation with regard to uncharged solutes is as described above. Although the minerals studied here may not be considered dominant prebiotic materials, uncharged mineral surfaces could facilitate the accretion of organic matter. A helical-dipole model describes the single-channel current rectification of an uncharged peptide ion channel. Techniques were described for using non-uniform electric fields in controlling the motions of uncharged particles in the stimulating context of biological applications. Alternatively, if some of the supposedly charged residues actually cross the membrane in an uncharged form, the voltage dependence would be weaker than expected. Large, uncharged molecules are used to maintain osmotic balance in asymmetric dual internal dialysis experiments. The other is to use uncharged molecules to affect the flux of atomic ions through the pores. One is to use uncharged molecules whose flux through the pore can be monitored by chemical detection, fluorescence or radioactivity. In spite of the fact that the initial conditions of "damages" in the charged amorphous alloy are significantly different from the uncharged material, the dynamic results are the same. With the mixed lipid bilayers, calcium-induced phase separation (clustering) of the negatively charged lipids separates the charged from the uncharged lipids as shown in the lower inset. Isoform composition of connexin channels determines selectivity among second messengers and uncharged molecules. Charge selectivity of the designed uncharged peptide ion channel. After the nucleophilic attack, a proton from the positively charged amino nitrogen may be abstracted by a putative general base to generate an uncharged secondary amine. Microscopically, one sees that the charged material was full of bubbles and cracks joining the bubbles, while the uncharged material was almost homogeneous and clean of faults. Second, picrotoxin is a lowmolecular-weight, uncharged plant toxin that could cross the membrane and diffuse away from the cell to produce a blockade of receptors on neighboring cells. An effect on binding could be observed when a single amino acid with a charged side chain was exchanged against an uncharged residue, and vice versa. |
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