نتایج جستجو برای: multiplex rt pcr
تعداد نتایج: 209630 فیلتر نتایج به سال:
زمینه و هدف : از جمله مهم ترین عوامل عفونی منتقل شونده از طریق خون، ویروس هایhiv-1 و hcv می باشند. به خصوص در حالت عفونت همزمان که از مشکلات بالینی قابل توجه در بیماران مصرف کننده فراورده های خونی است. این مطالعه به منظور توسعه روش multiplex rt-pcr در تشخیص عفونت همزمان ویروس های hiv-1 و hcv در نمونه های پلاسما انجام شد. روش بررسی : در این مطالعه توصیفی به تشخیص همزمان ژنوم دو ویروس hiv-1 و hcv...
A detection system based on a multiplex reverse transcription (RT) polymerase chain reaction (PCR) was developed to simultaneously identify multiple viruses in the lily plant. The most common viruses infecting lily plants are the cucumber mosaic virus (CMV), lily mottle virus (LMoV), lily symptomless virus (LSV). Leaf samples were collected at lily-cultivation facilities located in the Kangwon ...
The high infection levels due to Olive latent virus 1 (OLV-1), Olive mild mosaic virus (OMMV) (alphanecrovirus) and Tobacco necrosis virus D (TNV-D) (betanecrovirus) in Portuguese olive orchards prompted us to develop a rapid PCR-based assay for the simultaneous detection of these viruses aimed at the sanitary selection and marketing of plant material in compliance with European Union regulatio...
BACKGROUND The classification of B-lineage acute lymphoblastic leukemia (ALL) by specific chromosomal translocations has prognostic implications for risk-directed therapy. Reverse transcription-polymerase chain reaction (RT-PCR) assay is a useful tool for detecting fusion transcripts from common chromosomal translocations of ALL cells. METHODS Multiplex RT-PCR and nested-PCR assays were used ...
Real-time (RT)-PCR increases diagnostic yield for bacterial meningitis and is ideal for incorporation into routine surveillance in a developing country. We validated a multiplex RT-PCR assay for Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae in Brazil. Risk factors for being culture-negative, RT-PCR positive were determined. The sensitivity of RT-PCR in cerebrospin...
Untreated groundwater is responsible for about half of the waterborne disease outbreaks in the United States. Human enteric viruses are thought to be leading etiological agents of many of these outbreaks, but there is relatively little information on the types and levels of viruses found in groundwater. To address this problem, monthly samples from 29 groundwater sites were analyzed for 1 year ...
Genogroup I noroviruses from five genetic clusters and genogroup II noroviruses from eight genetic clusters were detected in stool extracts using degenerate primers and single-tube, real-time reverse transcription-PCR (RT-PCR) with SYBR Green detection. Two degenerate primer sets, designated MON 431-433 and MON 432-434, were designed from consensus sequences from the major clusters of norovirus...
Background and purpose: Pneumonia is the most common infectious cause of death. This study aimed at investigating the causative agent of pneumonia in nasopharyngeal secretions by PCR method. Materials and methods: This case-control study was carried out in patients (older than 19 years of age) suspected of pneumonia admitted to Qaemshahr Razi Hospital and Sari Imam Khomeini Hospital...
Simultaneous detection of enteric viruses that cause similar symptoms (e.g. hand, foot and mouth disease) is essential to the prevention of outbreaks and control of infections. In this study, a novel PCR-Mass assay combining multiplex polymerase chain reaction (PCR) with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) was developed and used for simult...
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