In growing cells, apurinic/apyrimidinic (AP) sites generated spontaneously or resulting from the enzymatic elimination of oxidized bases must be processed by AP endonucleases before they compromise cell integrity. Here, we investigated how AP sites and the processing of these noncoding lesions by the AP endonucleases Nfo, ExoA, and Nth contribute to the production of mutations (hisC952, metB5, ...

We investigate theoretically the nonlinear propagation of the limited diffraction Bessel beam in nonlinear media, under the successive approximation of the KZK equation. The result shows that the nth-order harmonic of the Bessel beam, like its fundamental component, is radially limited diffracting, and that the main beamwidth of the nth-order harmonic is exactly 1/n times that of the fundamental.

A tiie-differencing scheme consisting of an initializing step and N repetitions of a set of steps is proposed. For linear equations, the scheme is of Nth order. It is easily programmed and uses a minimal amount of storage space. The order may be changed by changing one parameter. An improved scheme is of Nth order even for nonlinear equations , for N 54.

We use the ultraproduct technique to study local properties of basic quantities of information-based complexity theory – the n-th minimal errors. We consider linear and nonlinear operators in normed spaces, information consists of continuous linear functionals and is assumed to be adaptive. We establish ultrastability and disprove regularity of n-th minimal errors. As a consequence, we answer a...

We discuss the underlying mathematics that causes the embedding degree of a curve of any genus to not necessarily correspond to the minimal embedding field, and hence why it may fail to capture the security of a pairing-based cryptosystem. Let C be a curve of genus g defined over a finite field Fq, where q = p for a prime p. The Jacobian of the curve is an abelian variety, JC(Fq), of dimension ...

Cooperative diversity networks have recently been proposed as a promising technology to improve performance over fading channels. In this paper, we consider incremental amplify-and-forward (AF) cooperative diversity networks which employ the Nth best relay when the best relay is unavailable due to issues such as scheduling or load balancing. The end-to-end performance is analyzed over independe...

Kebutuhan internet semakin meningkat seiring berkembangnya populasi pengguna internet. Saat ini jaringan telah masuk ke pelosok desa yang ada di seluruh negara Indonesia. Jaringan tersebut berupa RT RW net dikelola oleh penyedia jasa kecil. Menurut badan pusat statistik kabupaten cirebon terdapat 2740 tersebar 412 kecamatan, salah satu kecil adalah TN.Net bermitra pada Internet Service Provider...

In this letter we present a technique for the implementation of Nth-order ultrafast temporal differentiators. This technique is based on two oppositely chirped fiber Bragg gratings in which the grating profile maps the spectral response of the Nth-order differentiator. Examples of 1(st), 2(nd), and 4(th) order differentiators are designed and numerically simulated.

OBJECTIVE(S) To examine the relation between hospital teaching status and surgical outcomes for both emergency and elective general surgery cases using a national database. BACKGROUND Teaching hospitals (TH) have been shown to have better outcomes for complex elective surgical cases when compared with nonteaching hospitals (NTH). Less is known about the effect of teaching status on outcomes f...

BACKGROUND Resetting and entrainment have both been used to characterize the electrophysiological properties of the reentrant circuit in ventricular tachycardia. Several entrainment studies have suggested that the circuit has decremental properties, because the return cycle increases at faster pacing rates. Resetting, however, demonstrates a fully excitable gap in the majority of tachycardias. ...