نتایج جستجو برای: pcr based method
تعداد نتایج: 4130942 فیلتر نتایج به سال:
background: methicillin resistant staphylococcus aureus (mrsa) has been emerged as a nosocomial and community acquired pathogen worldwide. there are many challenges for laboratory detection of mrsa. the aim of this study was to compare different phenotypic methods with pcr based method as a gold standard for detection of meca gene. methods: a total of 220 clinical isolates of s. aureus which we...
background: the mainstay of diagnosis of relapsing fever (rf) is demonstration of the spirochetes in giemsa-stained thick blood smears, but during non fever periods the bacteria are very scanty and rarely detected in blood smears by microscopy. this study is aimed to evaluate the sensitivity of different methods developed for detection of low-grade spirochetemia. methods: animal blood sampl...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
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