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searching for Spatial gradient 39 found (59 total)

Pom1 (972 words) [view diff] exact match in snippet view article find links to article

the medial node localization to one half of the cell. Pom1 forms a spatial gradient as cells elongate throughout G2 phase. Figure 1 illustrates in cartoon

Cline (biology) (3,402 words) [view diff] exact match in snippet view article

in the trait from one geographic region to the next. A cline is a spatial gradient in a single specific trait, rather than in a collection of traits;

Thermomagnetic convection (679 words) [view diff] exact match in snippet view article find links to article

pressure. In contrast, the second is important only if there is a spatial gradient of the fluid susceptibility, e.g., in a non-isothermal system. The

Geary's C (611 words) [view diff] exact match in snippet view article find links to article

{\displaystyle C>1} indicating anti-correlation. Top right shows a spatial gradient giving C < 1 {\displaystyle C<1} indicating correlation. Bottom left

Patched (442 words) [view diff] exact match in snippet view article find links to article

negative feedback mechanism for hedgehog signaling that helps shape the spatial gradient of signaling activity across tissues. In the absence of hedgehog, low

Magnetic separation (1,249 words) [view diff] exact match in snippet view article find links to article

particle with relative permeability mu sub (pr) is proportional to the spatial gradient of the square of the magnetic flux density. The formula can be used

MYLK2 (777 words) [view diff] exact match in snippet view article find links to article

(November 2001). "The overall pattern of cardiac contraction depends on a spatial gradient of myosin regulatory light chain phosphorylation". Cell. 107 (5): 631–41

Thermodynamic state (1,583 words) [view diff] exact match in snippet view article find links to article

variables includes some macroscopic variables, for example a non-zero spatial gradient of temperature, that indicate departure from thermodynamic equilibrium

Biomolecular gradient (647 words) [view diff] exact match in snippet view article find links to article

PMID 18094760. Moseley, J.B.; Mayeux, A.; Paoletti, A.; Nurse, P. (2009). "A spatial gradient coordinates cell size and mitotic entry in fission yeast". Nature.

Moran's I (1,508 words) [view diff] exact match in snippet view article find links to article

left shows anti-correlation giving a negative I. Top right shows a spatial gradient giving a large positive I. Bottom left shows random data giving a value

Schizosaccharomyces pombe (6,047 words) [view diff] exact match in snippet view article find links to article

added total mass per unit time is smaller than that of normal cells. A spatial gradient is thought to coordinate cell size and mitotic entry in fission yeast

Synaptic plasticity (3,616 words) [view diff] exact match in snippet view article find links to article

important aspect of CAMKII signaling involving nanodomain calcium. The spatial gradient of PKA between dendritic spines and shafts is also important for the

Sperm chemotaxis (3,524 words) [view diff] exact match in snippet view article find links to article

receptors at different time points (as do bacteria), or they may detect a spatial gradient, comparing the occupancy of receptors at different locations along

Neural backpropagation (2,262 words) [view diff] exact match in snippet view article find links to article

009. PMID 15471594. Bender, VA; Feldman, DE (Jul 2006). "A dynamic spatial gradient of Hebbian learning in dendrites". Neuron. 51 (2): 153–5. doi:10.1016/j

Schlieren imaging (1,225 words) [view diff] exact match in snippet view article find links to article

manner: If a ray travels through a region of nonuniform density whose spatial gradient has a component orthogonal to the ray, that ray is deflected from its

Thermoelectric effect (3,686 words) [view diff] exact match in snippet view article find links to article

the Seebeck coefficient is not constant in temperature, and so a spatial gradient in temperature can result in a gradient in the Seebeck coefficient

Convection–diffusion equation (3,123 words) [view diff] exact match in snippet view article find links to article

{\displaystyle \nabla \cdot (-D\nabla c+\mathbf {v} c)=R.} In one dimension the spatial gradient operator is simply: ∇ = d d x {\displaystyle \nabla ={\frac {d}{dx}}}

G2 phase (2,818 words) [view diff] exact match in snippet view article find links to article

PMID 266201.) Moseley JB, Mayeux A, Paoletti A, Nurse P (June 2009). "A spatial gradient coordinates cell size and mitotic entry in fission yeast". Nature.

Social cognitive neuroscience (4,757 words) [view diff] case mismatch in snippet view article find links to article

Functional Neuroimaging Studies of Self- and Other Judgments Reveals a Spatial Gradient for Mentalizing in Medial Prefrontal Cortex". Journal of Cognitive

Cell growth (4,869 words) [view diff] exact match in snippet view article find links to article

PMID 14602073. Moseley JB, Mayeux A, Paoletti A, Nurse P (June 2009). "A spatial gradient coordinates cell size and mitotic entry in fission yeast". Nature.

Thermal conduction (5,479 words) [view diff] exact match in snippet view article find links to article

other, but after a state of steady-state conduction is reached, the spatial gradient of temperatures along the bar does not change any further, as time

Sperm guidance (5,365 words) [view diff] exact match in snippet view article find links to article

receptors at different time points (as do bacteria), or they may detect a spatial gradient, comparing the occupancy of receptors at different locations along

MYL2 (3,867 words) [view diff] exact match in snippet view article find links to article

(Nov 2001). "The overall pattern of cardiac contraction depends on a spatial gradient of myosin regulatory light chain phosphorylation". Cell. 107 (5): 631–41

Compressed sensing (5,864 words) [view diff] exact match in snippet view article find links to article

X-ray projections. Compressed sensing, in this case, removes the high spatial gradient parts – mainly, image noise and artifacts. This holds tremendous potential

Nuclear magnetic resonance in porous media (2,912 words) [view diff] exact match in snippet view article find links to article

2 Δ t {\displaystyle 2\Delta t} . In the simple case of a uniform spatial gradient G {\displaystyle G} , the additional decay can be expressed as a multiplicative

Steered-response power (1,725 words) [view diff] exact match in snippet view article find links to article

of the grid. Alternatively, they can be selected by considering the spatial gradient of the TDOA ∇ τ m 1 , m 2 ( x ) = [ ∇ x τ m 1 , m 2 ( x ) , ∇ y τ m

Functional magnetic resonance imaging (13,760 words) [view diff] exact match in snippet view article find links to article

magnetic field strength across locations (field inhomogeneity from a spatial gradient). Bandettini and colleagues used EPI at 1.5 T to show activation in

Phototaxis (6,306 words) [view diff] exact match in snippet view article find links to article

involve direct sensing of the direction of illumination rather than a spatial gradient of light intensity. True phototaxis in prokaryotes is sometimes combined

Front (oceanography) (3,367 words) [view diff] exact match in snippet view article

thresholding: the position of the front is determined based on where the spatial gradient of a quantity, such as sea-surface height or temperature, exceeds a

Four-vector (8,249 words) [view diff] exact match in snippet view article find links to article

form a four-gradient from the partial time derivative ∂/∂t and the spatial gradient ∇. Using the standard basis, in index and abbreviated notations, the

Symmetry in quantum mechanics (7,881 words) [view diff] exact match in snippet view article find links to article

for example energy as a partial time derivative and momentum as a spatial gradient, becomes clear when one considers the initial state, then changes one

Finite strain theory (10,030 words) [view diff] exact match in snippet view article find links to article

a material velocity gradient. It is common to convert that into a spatial gradient by applying the chain rule for derivatives, i.e., F ˙ = ∂ ∂ X [ V (

Soil moisture velocity equation (3,067 words) [view diff] exact match in snippet view article find links to article

{\displaystyle -D(\theta ){\partial ^{2}\psi /\partial z^{2}}} , divided by the spatial gradient of the capillary head ∂ ψ / ∂ z {\displaystyle {\partial \psi /\partial

Technical geography (8,803 words) [view diff] exact match in snippet view article find links to article

left shows anti-correlation giving a negative I. Top right shows a spatial gradient giving a large positive I. Bottom left shows random data giving a value

Representations of the atmospheric boundary layer in global climate models (1,582 words) [view diff] exact match in snippet view article find links to article

viscosity, in that the turbulent flux of a quantity is proportional to its spatial gradient, with K as the eddy viscosity/diffusivity. K-theory is powerful because

Glossary of genetics and evolutionary biology (15,393 words) [view diff] exact match in snippet view article find links to article

molecular biology. Contrast molecular genetics. cline A measurable spatial gradient in a single biological character or trait of a species or population

Gradient vector flow (3,232 words) [view diff] exact match in snippet view article find links to article

encourage a deformable model to move toward the edge map is to take the spatial gradient of the edge map, yielding a vector field. Since the edge map has its

Eddy diffusion (7,924 words) [view diff] exact match in snippet view article find links to article

model", meaning that diffusive fluxes are aligned with a negative spatial gradient in concentration. It considered a very simple geometry, in which all

Hydrogen isotope biogeochemistry (30,904 words) [view diff] exact match in snippet view article find links to article

layer where snow forms) conversion in east Antarctica based on modern spatial gradient of δD (9‰/°C) is ΔTI=(ΔδDice-8Δδ18Osw)/9, which takes into account