نتایج جستجو برای: dda
تعداد نتایج: 745 فیلتر نتایج به سال:
A high-speed and high-accuracy continuous-time common-mode feedback block (CMFB) is presented. To satisfy speed and accuracy requirements, some modi ̄cations have been applied on di®erential di®erence ampli ̄er (DDA) CMFB circuit. The proposed method is applied to a folded cascode op-amp with power supply of 3.3V. In order to verify the proposed circuit, simulations are done in 0.35 m standard CM...
Unlike distributed data entry, which is used in many large epidemiologic studies and multicenter clinical trials, distributed data analysis is a relatively new concept. This paper reports on the usefulness of such a system in the Coronary Artery Risk Development in Young Adults (CARDIA) Study. CARDIA distributes the entire examination dataset to participating centers soon after completion of ea...
The paradigm that microtubule-targeting agents (MTAs) cause cell death via mitotic arrest applies to rapidly dividing cells but cannot explain MTA activity in slowly growing human cancers. Many preferred cancer regimens combine a MTA with a DNA-damaging agent (DDA). We hypothesized that MTAs synergize with DDAs by interfering with trafficking of DNA repair proteins on interphase microtubules. W...
Using procedural content generation (PCG) in game development can contribute to further engage players in more fun, balanced and richer gameplay. An adaptive game can achieve this by: (i) distinguishing its players’ interaction [3], and (ii) accordingly adapting game elements, using PCG [4]. We investigated adaptive mobile PCG methods with a case study on 7’s Wild Ride, a game developed at the ...
A spherical harmonic transform spectral analysis of a localized surface plasmon on a gold nano shell
We perform a study of the localized surface plasmon (LSP) modes of a gold nano shell having a silica core by means of discrete dipole approximation (DDA) and spherical harmonics transform for selected wavelengths. We demonstrate an efficient solution for the near and intermediate field terms by the dyadic Green function approach and determine the optical extinction efficiency by the far field t...
Helicases move on DNA via an ATP binding and hydrolysis mechanism coordinated by well-characterized helicase motifs. However, the translocation along single-stranded DNA (ssDNA) and the strand separation of double-stranded (dsDNA) may be loosely or tightly coupled. Dda is a phage T4 SF1B helicase with sequence homology to the Pif1 family of helicases that tightly couples translocation to strand...
We present a method of incorporating the discrete dipole approximation (DDA) method with the point matching method to formulate the T -matrix for modeling arbitrarily shaped micro-sized objects. The T -matrix elements are calculated using point matching between fields calculated using vector spherical wave functions and DDA. When applied to microrotors, their discrete rotational and mirror symm...
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