نتایج جستجو برای: genetic vector

تعداد نتایج: 801148  

Journal: :hepatitis monthly 0
seyed younes hosseini department of virology, vaswmu} oodmwe{cuniwg{wow}s, tarbiat modares university, p. o. box: 14115-331, ir iran +98-2182883880, [email protected]; gastroentero -hepatology research center, shiraz university of medical sciences, ir iran farzaneh sabahi department of virology, vaswmu} oodmwe{cuniwg{wow}s, tarbiat modares university, p. o. box: 14115-331, ir iran +98-2182883880, [email protected]; department of virology, vaswmu} oodmwe{cuniwg{wow}s, tarbiat modares university, p. o. box: 14115-331, ir iran +98-2182883880, [email protected] seyed mohammad moazzeni department of immunology, tarbiat modares university, ir iran mohammad hossein modarressi department of medical genetic, tehran university of medical sciences, ir iran mehdi saberi firoozi digestive disease research center, tehran university of medical sciences, ir iran mehrdad ravanshad department of virology, vaswmu} oodmwe{cuniwg{wow}s, tarbiat modares university, p. o. box: 14115-331, ir iran +98-2182883880, [email protected]

background in spite of dozens of clinical trials to establish effective therapeutic and/or preventive vaccine to resolve hcv infection, no real vaccine has been proved to date. genetic vaccines based on replication-defective adenoviruses have proved to elicit strong and long lasting t-cell responses against a number of viral antigens and are even currently being used for vaccine trials in human...

In this work, a Genetic Algorithm boosted Least Square Support Vector Machine model by a set of linear equations instead of a quadratic program, which is improved version of Support Vector Machine model, was used for estimation of 98 pure compounds second virial coefficient. Compounds were classified to the different groups. Finest parameters were obtained by Genetic Algorithm method ...

Journal: :caspian journal of environmental sciences 2012
r. zarkami al. et

support vector machine (svm) was used to analyze the occurrence of roach in flemish stream basins (belgium). several habitat and physico?chemical variables were used as inputs for the model development. the biotic variable merely consisted of abundance data which was used for predicting presence/absence of roach. genetic algorithm (ga) was combined with svm in order to select the most important...

Journal: :iranian journal of basic medical sciences 0
zohreh rezvani amin department of chemistry, school of sciences, ferdowsi university of mashhad, mashhad, iran mohammad rahimizadeh department of chemistry, school of sciences, ferdowsi university of mashhad, mashhad, iran hossein eshghi department of chemistry, school of sciences, ferdowsi university of mashhad, mashhad, iran ali dehshahri department of pharmaceutical biotechnology and pharmaceutical sciences research centre, faculty of pharmacy, shiraz university of medical sciences, shiraz, iran mohammad ramezani pharmaceutical research centre, school of pharmacy, mashhad university of medical sciences, mashhad, iran

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Journal: :journal of computer and robotics 0
mojgan elikaei ahari faculty of computer and information technology engineering, qazvin branch, islamic azad university, qazvin, iran babak nasersharif electrical and computer engineering department, k.n. toosi university of technology, iran

different approaches have been proposed for feature selection to obtain suitable features subset among all features. these methods search feature space for feature subsets which satisfies some criteria or optimizes several objective functions. the objective functions are divided into two main groups: filter and wrapper methods.  in filter methods, features subsets are selected due to some measu...

Journal: :journal of chemical health risks 0
alireza jalali department of chemistry, college of basic sciences, shahrood branch, islamic azad university, shahrood, iran mehdi nekoei department of chemistry, college of basic sciences, shahrood branch, islamic azad university, shahrood, iran majid mohammadhosseini department of chemistry, college of basic sciences, shahrood branch, islamic azad university, shahrood, iran

a robust and reliable quantitative structure-property relationship (qspr) study was established to forecast the melting points (mps)  of a diverse and long set including 250 drug-like compounds. based on the calculated descriptors by dragon software package, to detect homogeneities and to split the whole dataset into training and test sets, a principal component analysis (pca) approach was used...

The use of artificial intelligence in the process of diagnosing heart disease has been considered by researchers for many years. In this paper, an efficient method for selecting appropriate features extracted from electrocardiogram (ECG) signals, based on a genetic algorithm for use in an ensemble multi-kernel support vector machine classifiers, each of which is based on an optimized genetic al...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1376

in this thesis our aim is to construct vector field in r3 for which the corresponding one-dimensional maps have certain discontinuities. two kinds of vector fields are considered, the first the lorenz vector field, and the second originally introced here. the latter have chaotic behavior and motivate a class of one-parameter families of maps which have positive lyapunov exponents for an open in...

ژورنال: یافته 2014
حبیبی‌رودکنار, مهریار, حلبیان, راحله, شیخیان, علی, محمدی‌پور, مهشید, کاشی, معصومه, کیانی, علی‌اصغر,

Background : Genetic manipulation is an effective strategy to protect cells against environmental damages and enhance their capabilities for therapeutic usage. In order to avoid unwanted side effects, such as cancers, the expression of genes should be temporary increased. The aim of this study was to clone and temporary increased expression of a cell protective gene, Metallothionein 1 (MT1) in ...

Journal: :journal of ai and data mining 2014
vahid majidnezhad

in this paper, first, an initial feature vector for vocal fold pathology diagnosis is proposed. then, for optimizing the initial feature vector, a genetic algorithm is proposed. some experiments are carried out for evaluating and comparing the classification accuracies which are obtained by the use of the different classifiers (ensemble of decision tree, discriminant analysis and k-nearest neig...

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