(1) Pinwheel inclusions (PWs) were found in cells of callus tissue derived from explants of secondary phloem parenchyma of carrot (Daucus carota) storage root and grown on a basal medium containing zeatin and indoleacetic acid or coconut milk, naphthalene acetic acid, or combinations of these.
(2) Like the centers of pinwheels, the centers of blobs also lie along the midline of ocular-dominance columns.
(3) Lamellar inclusions (bundles, circular inclusions, pinwheels), closely associated with endoplasmic reticulum, occurred frequently in areas of cytoplasm showing no vesiculation.
(4) A new weighting factor is introduced into the rf waveform to compensate for nonuniform sampling of k space by the pinwheel near the origin.
(5) Optical imaging based on activity-dependent intrinsic signals revealed that the most prominent organizational feature of orientation preference was a radial arrangement, forming a pinwheel-like structure surrounding a singularity point.
(6) All isolates studied induced cytoplasmic pinwheel and scroll inclusions.
(7) Aggregates were also present, containing two to six rods in a pinwheel-like configuration without measurable overlap between rods.
(8) Two other antibodies that react with epitopes near the NH2 terminus and the middle of the molecule bound to sites more centrally located on the pinwheel structure.
(9) Deflector lofts consist of a 'pinwheel' arrangement of four stationary deflector panels attached to the sides of a cube-shaped cage.
(10) The sensory block was evaluated before surgery and cutaneous anaesthesia was considered to be present when the needles of a Wartenberg Pinwheel were no longer felt in all the dermatomes of the nerves implicated in the surgical site.
(11) Negative-staining electron microscopy reveals that the receptor is a large pinwheel-like structure having surface dimensions of approximately 250 X 250 A with fourfold symmetry.
(12) The pinwheels and orientation centres are such a prominent organizational feature that it should be important to understand their development as well as their function in the processing of visual information.
(13) This conformation has a pinwheel-like orientation of phenyl rings, the direction of which is correlated with a 10 degrees twist about the central double bond and appears to depend upon the orientation of the non-phenyl substituent relative to the double bond.
(14) Pinwheel pulses may be used to advantage on moieties with long spin-lattice relaxation times and short transverse relaxation times and are therefore ideal for applications in phosphorus (31P) NMR.
(15) These iso-orientation patches are organized around 'orientation centres', producing pinwheel-like patterns in which the orientation preference of cells is changing continuously across the cortex.
(16) Empirical energy calculations are insensitive to this intramolecular structural dependence and incorrectly predict that the pinwheel of the opposite direction is of lower energy.
(17) The results support the contention that basal bodies in Marsilea arise de novo, since no preexisting template such as a centriolar pinwheel is observed and sine the intermediates which initially occur are structurally dissimilar from a procentriole.
(18) The purpose of this paper is to describe our experience using the argon laser for coreoplasty, and to report the unique pinwheel configuration of the iris neovascularization that developed around the laser lesions.
(19) The companies involved – which include Twitter, Reddit, Netflix, Vimeo and Mozilla – are just simulating, and will place symbols like the spinning pinwheel or other loading-style animations on their site to make it seem like the internet is slowing down.
(20) The locations of the 49-kDa proteinase-mediated cleavage sites flanking the 71-kDa cytoplasmic pinwheel inclusion protein, 6-kDa protein, 49-kDa proteinase, and 58-kDa putative polymerase have been determined by using cell-free expression, proteolytic processing, and site-directed mutagenesis systems.
Spin
Definition:
(v. t.) To draw out, and twist into threads, either by the hand or machinery; as, to spin wool, cotton, or flax; to spin goat's hair; to produce by drawing out and twisting a fibrous material.
(v. t.) To draw out tediously; to form by a slow process, or by degrees; to extend to a great length; -- with out; as, to spin out large volumes on a subject.
(v. t.) To protract; to spend by delays; as, to spin out the day in idleness.
(v. t.) To cause to turn round rapidly; to whirl; to twirl; as, to spin a top.
(v. t.) To form (a web, a cocoon, silk, or the like) from threads produced by the extrusion of a viscid, transparent liquid, which hardens on coming into contact with the air; -- said of the spider, the silkworm, etc.
(v. t.) To shape, as malleable sheet metal, into a hollow form, by bending or buckling it by pressing against it with a smooth hand tool or roller while the metal revolves, as in a lathe.
(v. i.) To practice spinning; to work at drawing and twisting threads; to make yarn or thread from fiber; as, the woman knows how to spin; a machine or jenny spins with great exactness.
(v. i.) To move round rapidly; to whirl; to revolve, as a top or a spindle, about its axis.
(v. i.) To stream or issue in a thread or a small current or jet; as, blood spinsfrom a vein.
(v. i.) To move swifty; as, to spin along the road in a carriage, on a bicycle, etc.
(n.) The act of spinning; as, the spin of a top; a spin a bicycle.
(n.) Velocity of rotation about some specified axis.
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.