(1) In addition, DDT blocked succinate dehydrogenase and the cytochrome b-c span of the electron transport chain, which also secondarily reduced ATP synthesis.
(2) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.
(3) Three overlapping clones, spanning a total of 19 kb of the human SC gene, including 3 kb of the 5' flanking region, were characterized.
(4) We have evaluated the life-span of B lymphocytes by measuring the functional reactivity of normal B cells upon transfer into xid mice, which do not respond to anti-mu, fluoresceinated-Ficoll (FL-Ficoll) and 2,4,6-trinitrophenyl aminoethylcarbamylmethyl Ficoll (TNP-Ficoll).
(5) Median effect analysis was applied for the evaluation of in vitro effect by the growth inhibition, and the in vivo effect by comparison of the increase of life span (ILS) in a combined group with the sum of ILS's in 2 single agent groups.
(6) These data indicate that the development of HCC in HBV-negative alcoholics with cirrhosis occurs in relation to the development of macronodules and loss of liver weight, most likely along with the prolongation of the life span.
(7) We then used synthetic peptides spanning the active fragment to identify the primary sequence of the adhesive site as Leu-Arg-Glu (LRE): neurons attach to an immobilized LRE-containing peptide, and soluble LRE blocks attachment of neurons to the s-laminin fragment.
(8) After cessation of exposures, HEVal was lost faster than predicted by the normal erythrocyte life span alone.
(9) The antibiotic was effective against Gram-positive bacteria, fungi and yeasts, and prolonged the life span of mice bearing Ehrlich ascites carcinoma.
(10) The mean red cell life span increased from 13 days before treatment to 21.6 days after 3 mo of carbamylation.
(11) Analysis of mRNA life span by using actinomycin D demonstrates that PPET-1 mRNA has a short intracellular half-life of about 15 min and is superinduced by cycloheximide.
(12) Respiration-related neurons were classified with respect to the correlation of their activity with the activity of the phrenic nerve: phase-bound inspiratory (I) and expiratory (E) neurones and phase-spanning expiratory-inspiratory and inspiratory-expiratory neurones were discriminated.
(13) The cytoplasmic and membrane spanning domains of galactosyltransferase were found to be sufficient to retain all of the hybrid invariant chain in trans Golgi cisternae as judged by indirect immunofluorescence, treatment with brefeldin A and immuno-electron microscopy.
(14) Selection limits for scutellar bristles in lines M and M2 were equal to or greater than the most extreme reported in the literature.-The probit span of the canalised 4 bristle class decreased in each selection line as the mean scutellar bristle number increased, and increased again in the relaxed lines as the mean bristle number decreased.
(15) The predicted yeast enzyme contains at least four potential membrane-spanning regions and several shorter hydrophobic regions that align exactly with similar sequences in the rat liver protein.
(16) cDNA was prepared by reverse transcription of peripheral blood mRNA and amplified by the polymerase chain reaction (PCR) using primers corresponding to sequences 400 bp apart on the cDNA, spanning the last three exons (X, Y, Z) of the beta-Sp gene.
(17) The biologically active unit spans about 16 kilobase pairs (kbp) and is composed of seven exons and six introns.
(18) The present study extended this effort to a noninstitutionalized life-span sample of males and females in six age groups (fourteen to ninety-four).
(19) This altered region spans the normal site of autocatalytic proteolysis that occurs at the same time as (enzymatic) activation of prochymosin at acidic pH.
(20) Moreover, no increase in cAMP can be detected over an extended time span.
Spinning
Definition:
(p. pr. & vb. n.) of Spin
() a. & n. from Spin.
Example Sentences:
(1) Type 1 changes (decreased signal intensity on T1-weighted spin-echo images and increased signal intensity on T2-weighted images) were identified in 20 patients (4%) and type 2 (increased signal intensity on T1-weighted images and isointense or slightly increased signal intensity on T2-weighted images) in 77 patients (16%).
(2) Electron spin resonance studies indicate the formation of two vanadyl complexes that are 1:1 in vanadyl and deferoxamine, but have two or three bound hydroxamate groups.
(3) The relative rates of reduction of several spin-labeled molecules that partition differently across the hy-drophobic-interface of inner membranes from rat liver mitochondria were investigated.
(4) When reformist industrialist Robert Owen set about creating a new community among the workers in his New Lanark cotton-spinning mills at the turn of the nineteenth century, it was called socialism, not corporate social responsibility.
(5) An unusually high degree of motional freedom is found for both these spin-labels, even in gel phase bilayers.
(6) tert-Butyl hydroaminoxyl is detected as a degradation product of the hydroxyl adduct from all spin traps.
(7) After the first stage of analysis the spin systems of 60 of the 77 residues were assigned to the appropriate residue type, providing an ample basis for subsequent sequence-specific assignments.
(8) A method using selective saturation pulses and gated spin-echo MRI automatically corrects for this motion and thus eliminates misregistration artifact from regional function analysis.
(9) The Iranians have accused the Israelis and the US of designing and deploying Stuxnet, which set some of their centrifuges spinning out of control.
(10) Single vertical spin and electron microscopy analyses of these HDL subpopulations demonstrated that acid elution from the affinity columns caused no detectable change in size and density of the three subpopulation particles.
(11) The Soret MCD of the reduced protein is interpreted as th sum of two MCD curves: an intense, asymmetric MCD band very similar to that exhibited by deoxymyoglobin which we assign to paramagnetic high spin cytochrome a3(2+) and a weaker, more symmetric MCD contribution, which is attributed to diamagnetic low spin cytochrome a2+.
(12) For dipeptides containing the amino terminal residues glycine, alanine and phenylalanine, abstraction of the hydrogen from the carbon adjacent to the peptide nitrogen was the major process leading to the spin-adducts.
(13) A single spin density gradient ultracentrifugation method in a swinging bucket rotor has been applied for the detection and isolation of low density lipoprotein (LDL) subfractions.
(14) 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.
(15) In addition, the spin lattice relaxation time of the cytoplasmic Cs resonance was approx.
(16) 220 MHz proton Fourier transform (FT) NMR with quadrature phase detection (QPD) technique is applied to observe largely hyperfine-shifted signals of various hemoproteins and hemoenzymes in ferric high-spin state.
(17) Under aerobic conditions, electron spin resonance spectroscopy showed evidence for the production of AZQ semiquinone (AZQH) and oxygen radicals.
(18) With these compounds, the spin density at the nitro group was greater than with nifurtimox, nitrofurazone and nitrofurantoin.
(19) Probing of the active site of microsomal cytochrome P-450 was carried out with a spin label derived from 2-methyl-1,2-bis(3-pyridyl)-1-propanone (metyrapone).
(20) The electronic structure of the low-spin ferric iron in cyanide complex appears to be modulated by halide binding to a protonated amino acid in the distal heme cavity.