Angiotensin II (Ang II) is known to enhance the vasoconstrictor response to norepinephrine (NE). In the present study, this interaction was Investigated using isolated rabbit femoral artery rings mounted in tissue baths for the measurement of isometric contraction. Exposure to 3 x 10~ M Ang II caused a contraction that was less than 5% of the maximal response to NE. In the presence of Ang II, t...

Our objective is to evaluate the accuracy of three algorithms in differentiating the origins of outflow tract ventricular arrhythmias (OTVAs). This study involved 110 consecutive patients with OTVAs for whom a standard 12-lead surface electrocardiogram (ECG) showed typical left bundle branch block morphology with an inferior axis. All the ECG tracings were retrospectively analyzed using the fol...

We show that a smooth unknotted curve in R3 satisfies an isoperimetric inequality that bounds the area of an embedded disk spanning the curve in terms of two parameters: the length L of the curve and the thickness r (maximal radius of an embedded tubular neighborhood) of the curve. For fixed length, the expression giving the upper bound on the area grows exponentially in 1/r2. In the direction ...

It is shown that ovals admitting circles as orthoptic curves are precisely characterized by the property that every one of their points is the vertex of exactly one maximal-perimeter inscribed parallelogram. This generalizes an old property of ellipses, most recently revived by Connes and Zagier in the paper A Property of Parallelograms Inscribed in Ellipses. Let C be a centrally symmetric smoo...

We show some examples of topological zeta functions associated to an isolated plane curve singular point and allowed, in the sense due Némethi Veys 2012, differential form that have several poles order two. This is contrast case standard where, as showed by for curves 1995, Nicaise Xu general twenty one years later, there always at most pole maximal order.

introduction: nowadays,  considerable developments  in  the field  of  radiotherapy have  been  achieved.  they  include  the  advances  made  in  the  equipments  and  treatment  planning  techniques  which  require  highly complex calculations. such achievements have made it possible to treat cancer patients not only  with  higher  radiation  dose  but  also  with  higher  precision  and  con...

1. Motivation. Let J0(N) denote the Jacobian of the modular curve X0(N) parametrizing pairs of N -isogenous elliptic curves. The simple factors of J0(N) have real multiplication, that is to say that the endomorphism ring of a simple factor A contains an order in a totally real number field of degree dimA. We shall sometimes abbreviate “real multiplication” to “RM” and say that A has maximal RM ...

The main two families of real hypersurfaces in complex space forms are Hopf and ruled. However, very little is known about the indefinite projective \({\mathbb {C}}P^n_p\). In a previous work, Kimura second author introduced this paper, ruled introduced, as those whose maximal holomorphic distribution integrable, such that leaves totally geodesic hyperplanes. A detailed description shape operat...