(1) The stronger negative potentials may weaken electrostatic receptor interactions and, thereby, cause the trans(E)-isomers to be less active than cis(Z)-isomers.
(2) Insoluble collagen was found to bind electrostatically to chondromucoprotein.
(3) Molecular biology and electrophysiology have shown different mechanisms of action on this sodium channel, which depend on the chemical structure and electrostatic charge of the local anaesthetic molecule.
(4) This change may be related to observed alterations of electrostatic parameters of the enzyme (pK of the pH dependence of the enzyme activity, rate of inactivation by H2O2), although it preserves a high efficiency of dismutation at neutral pH.
(5) In this way a complete description is given of both the electrostatic and the dielectric properties of the enzyme.
(6) From the variation of Kd with ionic strength, it is inferred that (i) 85% of the heparin--inhibitor binding energy i due to electrostatic interactions, (ii) about seven ionic interactions are involved in heparin--inhibitor binding.
(7) These observations suggest the blocking by Mgi2+ of the large-conductance, Ca(2+)-activated K+ channel is mainly nonspecific, competitive with K+, and at least partially electrostatic in nature.
(8) This suggests that the red shift in the absorption maximum of SR-I (587 nm) compared with HR (578 nm) and BR (568 nm) is due to a reduction of the electrostatic interaction between the protonated Schiff base group and its protein counterion.
(9) An electrostatic copying machine was used to model the perception of simultaneous brightness contrast.
(10) This suggested that even minor interferences with the electrostatic equilibrium of the IgG3 by the binding of charged hapten molecules induced dramatic changes in the solubility of the IgG3 mAb at low temperature.
(11) The binding of charged ligands to proteins is one way of achieving an alteration in protein electrostatic charge.
(12) The complex is stabilised by hydrogen bonding, electrostatic and van der Waals interactions.
(13) Approximately 14% of the binding energy is derived from electrostatic interactions.
(14) When framed by ET theory this pattern is fully understandable in terms of variations in reduction potentials and electrostatic interactions, caused by the protonation equilibria.
(15) These results indicate that the polypeptide chain, driven by energetics (nonbonded and electrostatic interactions), is folded into a typical left-handed twisted four-helix bundle with an approximately 4-fold symmetric array, as observed in most four alpha-helix proteins.
(16) Forces analogous to hydrophobic and electrostatic interactions probably participate in this process.
(17) The proposed model includes electrostatic contacts between conserved cytochrome b5 carboxylates Glu-44, Glu-48, Asp-60, and the exposed heme propionate with cytochrome P-450cam basic residues Lys-344, Arg-72, Arg-112, and Arg-364, respectively.
(18) Based on modelling considerations it was proposed that milk-clotting activity of chymosin is associated with electrostatic interactions of a charged segment His-Pro-His-Pro-His (98-102) of casein and the outer loop of the enzyme containing Glu-244,Asp-246 and Asp-248.
(19) The three-dimensional structures, molecular conformations, and electrostatic potentials of the R-E-, S-E-, R-Z-, and S-Z-isomers of 10-hydroxynortriptyline were examined by computer graphics, molecular mechanical energy calculations, and molecular dynamics simulations in vacuo and in aqueous solution.
(20) The precipitation of proteins with dextran sulphate or polyphosphates, which is due to electrostatic interaction, depends on the pH value and the electrolyte content of the solution.
Static
Definition:
(a.) Alt. of Statical
Example Sentences:
(1) The significance of the differences in these two patterns of actin is discussed in terms of differences in the accommodative ability and static lens shape in these two animals.
(2) Eddy current transducers measured relative displacements under application of static loads, serially applied in the axial, mediolateral, and craniocaudal directions.
(3) The influence of vestibular dysfunction upon the vestibulospinal reflex (VSR) in two common peripheral syndromes was investigated by two types of posturographic examination: "static" posturography, recording and analyzing the postural sway in stance, and "kinetic" posturography, recording the stepping in place test.
(4) The most important causal factor, well illustrated by pressure studies, was the presence of a dynamic or static deformity leading to local areas of peak pressure on insensitive skin.
(5) Tendon (T) and Hoffmann (H) reflexes were analyzed during static stretching (SS).
(6) We conclude that exposure for 20 min to a 1.5-T static magnetic field does not alter body and skin temperatures in man.
(7) These results were compared with perceptual judgments of "passability" under static and moving viewing conditions.
(8) These studies have revealed striking increases in arm and leg MSNA during static handgrip (SHG) and postexercise circulatory arrest (PECA).
(9) In addition to rapid motions, slow motions were detected by 1H spin-lattice relaxation time in the rotating frame (TH1 rho) and cross-polarization time (TCH), together with data from static spectra, indicating that the aliphatic portion of the detergent interacts more strongly with hydrophobic protein surfaces than do the polar heads.
(10) The static high count blood pool images of the deep venous system of the leg are readily interpretable and show good correlation with contrast venography.
(11) We used an endobronchial dividing tube to ventilate one lung with HFV and to keep the contralateral lung of the same dog static with an identical airway pressure, allowing each animal to serve as its own control.
(12) An alternative model suggests a sequential, rather than a static, decision-making process to relate the decision to have an additional child to the reproductive experience to date.
(13) The spin-spin relaxation time T2 may be estimated using multiecho pulse sequences, but the accuracy of the estimate is dependent on the fidelity of the spin-echo amplitudes, which may be severely compromised by rf pulse and static field imperfections.
(14) This is also the case with the static relaxation curve and the force recovery curve (inverse relaxation).
(15) From this special coding of the intended movement static and dynamic control signals can be derived.
(16) Skin displacement increased approximately linearly with increasing forces at the beginning of static stimulation, but over time (at least up to 20 sec), the relationship became negatively accelerated.
(17) The method involves a procedure in which the static pressure of the sample is altered in a short period of time, to approximate an adiabatic process, during which the ultrasonic velocity is measured.
(18) We did not observe any delay in bone-healing when the static method was used.
(19) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
(20) As predicted by their static response, the activity of these receptors decreases during inspiration and increases during expiration and therefore it is out of phase with the discharge of the other airway stretch receptors.