(n.) A tract of land shaped like the letter delta (/), especially when the land is alluvial and inclosed between two or more mouths of a river; as, the delta of the Ganges, of the Nile, or of the Mississippi.
Example Sentences:
(1) It was shown that delta F508 frequency of CF-patients was 59.2%, the frequencies of S5491, G551D and K533X were about 1%.
(2) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
(3) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
(4) During control, no significant difference between systolic fluctuation (delta Pa) and pleural swings (delta Ppl) was found.
(5) Following in vitro C activation in NHS by delta IgG, the 40 KD C4d component increased markedly.
(6) The data support the conclusion that accumulation of lipid II is responsible in some way for the hypersensitivity of delta rfbA mutants to SDS.
(7) The second experiments entailed use of the nonspecific opiate antagonist, naloxone, as well as the specific delta antagonist, ICI 154,129, against seizures induced by icv-administered morphine, morphiceptin, DADL, or DSLET.
(8) Delta roc, which extends from base pairs 41883 to 43825, overlaps the nin5 deletion, which extend from base pairs 40501 to 43306.
(9) Our results indicate that all gamma delta TCR+ cells can be identified with the MoAb anti-TCR-delta 1.
(10) In each subject, the activity in leucocytes of delta-aminolaevulinic acid (ALA) synthase increased and that of protoporphyrinogen (proto) oxidase decreased during the first week of therapy.
(11) Then, the delta Fract (coronary flow reserve index) map was obtained for each subject.
(12) A detailed stereochemical analysis of known protein structures has been made which shows that: (1) irregular regions of proteins consist of a limited number of standard structures formed by three, four of more residues; (2) an amino acid residue of a protein can adopt one of the six sterically allowed conformations designated here as alpha, alpha L, beta, gamma, delta, and epsilon.
(13) Two years ago, the Intergovernmental Panel on Climate Change declared Egypt's Nile Delta to be among the top three areas on the planet most vulnerable to a rise in sea levels, and even the most optimistic predictions of global temperature increase will still displace millions of Egyptians from one of the most densely populated regions on earth.
(14) Cells transfected with either the first or second construct and selected for the TK+ phenotype were then tested for TK induction after superinfection with HSV-1(F) delta 305, containing a deletion in the coding sequences of the TK gene, and viruses containing, in addition, a ts lesion in the alpha 4 regulatory protein (ts502 delta 305) or in the beta 8 major DNA-binding protein (tsHA1 delta 305).
(15) Two of the anti-delta-positive patients had chronic hepatitis, four had liver cirrhosis.
(16) However, recent data indicate that delta-5 adrenal steroids decrease markedly in both men and women.
(17) The delta qa-1S strain exhibits constitutive expression of the qa genes supporting earlier evidence that the qa-1S gene codes for a repressor.
(18) A mutant delta ptsH of Escherichia coli was used to obtain a mutation which damages a function of cytoplasmic specific component of the fructose phosphotransferase system--FPr protein.
(19) In urethane-anesthetized rabbits, IOP and blood pressure were lowered by intravenous administration of delta 9-THC but not by bolus cerebral administration.
(20) In this paper, we develop functions suggested by and regression fit to crystallographic data which allow three of these torsion angles, alpha (O3'-P-O5'-C5'), delta (C5'-C4'-C3'-O3') and epsilon (C4'-C3'-O3'-P), to be calculated as dependent variables of those remaining.
Gradient
Definition:
(a.) Moving by steps; walking; as, gradient automata.
(a.) Rising or descending by regular degrees of inclination; as, the gradient line of a railroad.
(a.) Adapted for walking, as the feet of certain birds.
(n.) The rate of regular or graded ascent or descent in a road; grade.
(n.) A part of a road which slopes upward or downward; a portion of a way not level; a grade.
(n.) The rate of increase or decrease of a variable magnitude, or the curve which represents it; as, a thermometric gradient.
Example Sentences:
(1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
(2) Size analysis of the solubilized IgA IP employing sucrose density gradient ultracentrifugation, indicated that these were heterogeneous, with a size generally larger than 19 S.
(3) The pH gradient measured with dimethyloxazolidine-2,4-dione and acetylsalicylic acid was very small in both bacteria at a high pH above 8, and was not affected significantly by the addition of CCCP.
(4) Brief treadmill exercise tests showed appropriate rate response to increased walking speed and gradient.
(5) Histone mRNA, labeled with 32P or 3H-methionine during the S phase of partially synchronized HeLa cells, was isolated from the polyribosomes and purified as a "9S" component by sucrose gradient sedimentation.
(6) These results indicate that during IPPV the increased Pcv attenuates the pressure gradient for venous return and decreases CO and that the compensatory increase in Psf is caused by a blood shift from unstressed to stressed blood volume.
(7) Crossed immunoelectrophoresis and sucrose density gradient ultracentrifugation of the patient's plasma showed his prothrombin to be qualitatively indistinguishable from normal prothrombin by these techniques.
(8) The family history and associated anomalies were recorded and particular attention was paid to temperature gradients and neurocirculatory deficits with respect to band location.
(9) High velocity flow with a characteristic contour was recorded in patients with a significant gradient.
(10) Odds ratios were computed by multiple logistic regression analysis and revealed no additional relationships; however, there were suggested dose-response gradients for height, weight at age 20, and body surface area in the Japanese women and for breast size in the Caucasian women.
(11) This heretogeneity occurred mainly as a progressive, decreasing gradient in the first half of this pathway, between the rough endoplasmic reticulum and the mi-cisternae of the Golgi apparatus.
(12) Although the brain AP50 is prominently phosphorylated by an endogenous protein kinase in isolated coated vesicle preparations, the neuronal AP50 was not detectably phosphorylated in intact cells as assessed by two-dimensional non-equilibrium pH gradient gel electrophoresis of labeled cells dissolved directly in SDS-containing buffers.
(13) Thin layers of carbon (20 microns) and vacuoles (30 microns) suggested a large temperature gradient along the tissue ablation front.
(14) Samples are separated with a Perkoll gradient of densities (1.053, 1.069, 1.079 and 1.095).
(15) In conclusion, the ability of distal tubules to establish a significant pH gradient will contribute to the titration of non bicarbonate buffers, i.e., to titratable acid formation.
(16) From this proliferating layer, precursor cells migrate outwards to reach the developing neostriatum in a sequential fashion according to two gradients of histogenesis.
(17) At midclimax, adult and larval RBCs were separated on a Renografin continuous density gradient.
(18) After methylene blue, the gradient in resting potential across the circular layer was greatly reduced or abolished.
(19) The rhodamine 123-induced growth inhibition was partially reversed by treating the dye-pre-exposed infected erythrocytes with the proton ionophore carbonyl-cyanide m-chlorophenylhydrazone, which dissipates transmembrane proton gradients.
(20) Partially purified VLPs were found to sediment at 183S in sucrose gradients and to cross-react with antibody in acute phase sera from geographically isolated cases of ET-NANBH.