نتایج جستجو برای: vanabc multiplex pcr
تعداد نتایج: 186945 فیلتر نتایج به سال:
BACKGROUND Dengue fever results from infection with one or more of four different serotypes of dengue virus (DENV). Despite the widespread nature of this infection, available molecular diagnostics have significant limitations. The aim of this study was to develop a multiplex, real-time, reverse transcriptase-PCR (rRT-PCR) for the detection, quantitation, and serotyping of dengue viruses in a si...
BACKGROUND Accurate diagnosis of Bordetella pertussis infection is difficult. Polymerase chain reaction (PCR) tests are more sensitive than culture, but the reported sensitivity is variable. We prospectively compared the performance of culture, serology, and a multiplex PCR for the detection of B. pertussis. METHODS A total of 193 paired nasopharyngeal (NP) swab specimens were examined by bot...
We have developed a web-enabled system called MuPlex that aids researchers in the design of multiplex PCR assays. Multiplex PCR is a key technology for an endless list of applications, including detecting infectious microorganisms, whole-genome sequencing and closure, forensic analysis and for enabling flexible yet low-cost genotyping. However, the design of a multiplex PCR assays is computatio...
Amebiasis is an infection caused by Entamoeba histolytica. However, differentiation between E. histolytica and Entamoeba dispar, which are morphologically identical species, is essential for treatment decision, precaution of the invasive disease and public health. The purpose of the present study was to evaluate a Multiplex -PCR for detection and differentiation of E. histolytica from E. dispar...
BACKGROUND Cervical cancer is the leading cause of death from cancer in under-developed countries. Human papilloma virus (HPV) 16 and 18 are the most prevalent types associated with carcinogenesis in the cervix. Conventional Polymerase Chain Reaction (PCR), type-specific and consensus primer-based PCR followed by sequencing, Restriction Fragment Length Polymorphism (RFLP) or hybridization by sp...
Probe-based PCR is widely used for SNP (single nucleotide polymorphism) genotyping and pathogen nucleic acid detection due to its simplicity, sensitivity and cost-effectiveness. However, the multiplex capability of hydrolysis probe-based PCR is normally limited to one target (pathogen or allele) per fluorescence channel. Current fluorescence PCR machines typically have 4-6 channels. We present ...
purpose: the main purpose of this study was to evaluate the prevalence of herpes simplex virus 1 and 2 (hsv-1 and hsv-2), varicella-zoster virus and adenovirus associated with conjunctivitis in swab samples of patients who referred to eye specialist hospitals in tehran. methods: in this cross-sectional study, swab samples from patients with acute conjunctivitis during the first sixth months of ...
background: ampc type β-lactamases are commonly isolated from extended-spectrum cephalosporin-resistant gram-negative bacteria. also, resistance appeared in bacterial species not naturally producing ampc enzymes. therefore, a standard test for the detection of the plasmid-mediated ampc enzyme and new breakpoints for extended spectrum cephalosporins are urgently necessary. objectives: to detect ...
background: entamoeba moshkovskii and e. dispar are impossible to differentiate microscopically from the pathogenic species e. histolytica . multiplex polymerase chain reaction (multiplex pcr) is a widespread molecular biology technique for amplification of multiple targets in a single pcr experiment. methods: for detection and differentiation of the three-microscopy indistinguishable entamoeba...
سابقه و هدف: استرپتوکوک گروه b ( gbs ) بهعنوان یک پاتوژن مهم در نوزادان و زنان باردار مطرح است. واکسیناسیون مادران می تواند باعث کاهش کلونیزاسیون و افزایش انتقال آنتی بادی به جنین شده و از عفونت های بعدی پیشگیری کند. برای این باکتری 9 سروتایپ بر اساس پلیساکارید کپسولی قابل شناسایی است ( .(ia, ib, ii-viii توزیع سروتایپها با گذشت زمان و در مناطق جغرافیایی مختلف تغییر میکند، بنابراین تول...
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