نتایج جستجو برای: molecular tests
تعداد نتایج: 958537 فیلتر نتایج به سال:
the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...
pod borer is one of the main causes for yield loss of chickpea. therefore, breeding of chickpea for resistance to this pest is important. the use of cry toxin from bacillus thuringiensis is an effective strategy for producing of transgenic resistant chickpea to this pest. these toxins are able to become active in the midgut of larvae and disrupt the insect's digestive system. we studied the sta...
objective: traditional methods for storing microbial dna samples use the low-temperatures of 4 °c, -20°c or -80 °c. the dbc card is a new method of storing microbial dna at room temperature. this study evaluates the stability and determine the best storing method of bacterial dna on the dbc card. methods: in this study, we used a pair of primers from the conserved domain of 16srrna designed to...
Background and Objectives: Several studies have been carried out on the use of cell lines in researches, production and processing of drugs and biological products, and on the identification of toxicity and efficacy.The present study was conducted to determine the characteristics of BHK-21 cell lines as a suitable substrate for use in vaccine production and quality control, viral culture and re...
In recent years, viral epidemics such as the coronavirus disease (COVID-19) have spread, and this outbreak is thought to be the result of animal-to-human transmission. Hence, accurate diagnostic tests to detect COVID-19 and antiviral antibodies in infected individuals are of utmost importance. This report describes the structure, history, taxonomy, and molecular and immunological techniques for...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
ornithobacterium rhinotracheale (ort) is a bacterium associated with respiratory disease, growth retardation, decreased egg production and mortality in chickens and turkeys. the objective of this study was isolation, identification and evaluation of antimicrobial susceptibility of ort bacterium in slaughtered broilers chicken flocks based on cultural and molecular tests in khuzestan province, s...
Avibacterium paragallinarum is Gram-negative bacteria that cause infectious coryza (IC), an acute respiratory disease of chickens. Despite vaccination of Layer and breeder farms of Iran against IC, they are still experiencing the disease clinically and there is no knowledge of serotypes prevalence of this bacterium in this country. This study designed to determine serovar identity by molecular ...
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