نتایج جستجو برای: molecular methods

تعداد نتایج: 2434664  

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

2013
Tucker Carrington George Hagedorn

The workshop brought together chemists developing mathematical and computational tools for studying the motion of atoms in polyatomic molecules and mathematicians interested in numerical methods for highdimensional problems and semiclassical mechanics. Quantum and semiclassical methods applicable to diatomic molecules are well known and widely used, but the outstanding problem in this field is ...

2009
KATHARINA KORMANN Katharina Kormann

The time-dependent Schrödinger equationmodels the quantumnature ofmolecular processes. Numerical simulations of these models help in understanding and predicting the outcome of chemical reactions. In this thesis, several numerical algorithms for evolving the Schrödinger equation with an explicitly time-dependent Hamiltonian are studied and their performance is compared for the example of a pump...

2008
PETER BEERLI

Statistical Methods in Molecular Evolution, edited by Rasmus Nielsen, contains a wide survey of current research in molecular evolution. It is organized into sections—introduction, program ‘‘tutorials,’’ models, and inference—a setup that constitutes a gentle introduction to the topic for mathematically inclined readers. For practical biologists, the start might be somewhat more challenging, al...

Journal: :The British journal of nutrition 2002
G W Tannock

Molecular methods have provided renewed impetus for the analysis of the composition of the intestinal microflora in health and disease. The polymerase chain reaction coupled with denaturing gradient gel electrophoresis provides a method whereby the bacterial communities in large numbers of samples can be compared efficiently and effectively. Altered bacterial populations associated with disease...

اماموردی زاده, پریا, نوری قراجلر, سحر,

Introduction: Resistance to penicillin among Staphylococcus aureus species is very widespread. One of the most important resistance mechanisms toward penicillin in S. aureus is blaZ production. Detection of beta lactamase production is possible using different methods like disk diffusion, iodometric, acidometric and molecular (PCR) methods. The aim of this study was to detection of beta lactama...

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