(1) A hypothesis to explain the phenomenon of synergism between two endwise-acting cellobiohydrolases is presented.
(2) As the enzyme seems to hydrolyse xylooligosaccharides endwise, with retention of configuration in the reaction product, the enzyme is a true glycosidase, probably operating by a double-inversion mechanism.
(3) R. japonicum 31 cells attached to each other in a tip-to-tip fashion and endwise to fungal hyphae with the polar tip in contact with the hyphal wall.
(4) Various dehydrogenation polymers (the so-called synthetic lignins) were synthesized from four different phenylpropenoids by endwise and bulk polymerizations and investigated for their anti-influenza virus activity.
(5) Our results suggest that the free Ca2+ concentration regulates the way S-100 disassembles microtubules (MTs): at microM Ca2+ levels, S-100 sequesters tubulin with concomitant increase in the disassembly rate; at mM Ca2+ levels, the S-100-Ca2+ complex probably interacts with MTs producing endwise disassembly.
(6) When polymers are induced to depolymerize by endwise subunit dissociation, the frequency of plugged microtubule ends increases transiently, suggesting that plugs temporarily stabilize microtubules.
(7) The model is based on Michaelis--Menten-type kinetics for concurrent random and endwise attack of the substrate involving end-product inhibitions and three types of enzymes: an endo-beta-1,4-glucanase, an exo-beta-1,4-glucanase, and beta-glucosidase.
Spline
Definition:
(n.) A rectangular piece fitting grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together; a feather; also, sometimes, a groove to receive such a rectangular piece.
(n.) A long, flexble piece of wood sometimes used as a ruler.
Example Sentences:
(1) This paper addresses the latter assumption by applying a direct and flexible approach, cubic spline functions, to two widely used models: the logistic regression model for binary responses and the Cox proportional hazards regression model for survival time data.
(2) After filament images were straightened by spline-fitting, several transforms showed well-defined layer-lines arising from the helical structure of the filament.
(3) We have compared three interpolation methods (surface splines, spherical splines and tridimensional interpolation functions).
(4) The smoothing B-spline function was applied to 3, 10, 25, 50, 75, 90, and 97 percentile TW2 RUS, carpal and 20-bone scores.
(5) The four parameter logistic method, which is based on an approximation of the mass action law, performed better than the Spline method, a procedure which makes no a priori assumptions about the data.
(6) The first and second derivatives of progress curves are obtained from the cubic spline function.
(7) To improve the qualitative and quantitative analysis of surfaces of protein, two new methods are proposed: one that smoothes the MS surface of Connolly with B-spline smoothing functions to highlight the significant features of the surface, and one that computes the density of surface neighborhood to allow quantitative comparison.
(8) In the model, patellofemoral joint profiles projected on a horizontal plane have been expressed as spline functions.
(9) It was demonstrated that by using a least-squares surface-fitting technique, the SPG data on the surface can accurately be described by a single parametric biquintic spline function.
(10) Approximating the signal with a linear combination of cubic B-splines with equally spaced knots, according to the linear least-squares criterion gives the desired data reduction and an elegant way to perform an automatic analysis.
(11) The practical implementation of a rapid Catmull-Rom (cardinal) spline is described, and its advantages with respect to speed and ease of use are discussed.
(12) One of these is the procedure known as one of the best automatic smoothing and differentiating techniques: generalised cross validatory spline smoothing and differentiation (GCVC).
(13) Splines, were invented nearly 30 years ago and have been shown to have desirable properties.
(14) The spline technique is superior in accuracy to sampling at eight-times the Nyquist rate and is comparable to a Fourier-transform-based interpolation algorithm.
(15) Lines representing linear regression, log-linear regression or quadratic regression were inferior to those described by linear splines.
(16) Although spline functions are by no means unknown to demographers, no simple and direct explanation of their application exists.
(17) The spline technique was used to analyse these data as continuous variables, and showed that the 'super-obese' group of families was too small to be of any practical importance.
(18) Using penalized likelihood the three curves can be fitted as cubic splines by non-linear regression, and the extent of smoothing required can be expressed in terms of smoothing parameters or equivalent degrees of freedom.
(19) In general, the bilinear and bicubic spline methods of interpolation perform about equally.
(20) The folding pathway is defined by piecewise B-spline curves and the atoms are initially positioned with respect to the local Frenet trihedra determined by the equations of the curves.