نتایج جستجو برای: sybr green
تعداد نتایج: 140135 فیلتر نتایج به سال:
The present study was envisaged to compare the sensitivity of SYBR Green real time PCR with immunofluorescence PCR for diagnosis of rabies. SYBR Green real time PCR technique was applied on brain samples collected from 39 rabies suspected animals. Sensitivity of SYBR Green technique was compared in accordance with WHO recommended gold standard test viz. Fluorescent Antibody Technique (FAT) appl...
Cat # Product Name Unit Size S-7563 SYBR Green I nucleic acid gel stain *10,000X concentrate in DMSO* ............................................................................................................... 500 μL S-7567 SYBR Green I nucleic acid gel stain *10,000X concentrate in DMSO* ..........................................................................................................
SYBR Gold staining is used for enumerating bacteria and viruses in aquatic samples. However, its suitability for epifluorescence microscopy has not been sufficiently investigated. Thus we compared bacterial and viral counts using SYBR Gold and SYBR Green I stains. Variables for both bacterial and viral counts included season and ocean depths of sample collection and the period of sustained exci...
Molecular Probes’ new generation of fluorescent nucleic acid gel stains — the SYBR Gold, SYBR Green I and SYBR Green II dyes — are by far the best high-sensitivity reagents for staining DNA (Figure 8.60) and RNA (Figure 8.61) in electrophoretic gels.1 These gel stains provide greater sensitivity with lower background fluorescence than the conventional gel stain, ethidium bromide. In addition, A...
Real-time quantitative reverse transcriptase-polymerase chain reaction (RT-PCR) is the method of choice for rapid and reproducible measurements of cytokine or growth factor expression in small samples. Fluorescence detection methods for monitoring real-time PCR include fluorogenic probes labelled with reporter and quencher dyes, such as Taqman probes or Molecular Beacons and the dsDNA-binding d...
A real-time multiplex PCR procedure with melting curve analysis, using the green fluorescence dye SYBR Green I, was developed for rapid and reliable identification of Plum pox virus (PPV) isolates of strains D and M. Members of the different strains were identified by their distinctive melting temperatures (T(m)s); 84.3-84.43 degrees C for D isolates, and 85.34-86.11 degrees C for M isolates. T...
A screening system including a new real-time PCR assay for the monitoring of influenza A virus in wild birds was developed. The real-time PCR assay uses SYBR green chemistry and the primers are targeting the matrix gene of influenza A virus. The performance of the assay was compared with two other assays, one assay also using SYBR green chemistry and one assay using TaqMan chemistry, i.e. a spe...
Following the initial report of the use of SYBR Green I for real-time polymerase chain reaction (PCR) in 1997, little attention has been given to the development of alternative intercalating dyes for this application. This is surprising considering the reported limitations of SYBR Green I, which include limited dye stability, dye-dependent PCR inhibition, and selective detection of amplicons du...
Real-time RT-PCR and SYBR green I melt curve analysis of a 74 bp amplicon enabled identification of Plum pox virus strains C, EA, and W, with distinct T(m)'s associated with each strain. This test is a useful supplement to a real-time RT-PCR test described earlier that was used to distinguish PPV strains D and M. A longer fragment of 155 bp was not effective for strain identification. A simplif...
Doxycycline, a new generation tetracycline antibiotic, is currently one of choice for the treatment and prevention of infections caused by agents of biowarfare. We are developing real time PCR assays to detect tetracycline resistance genes in Gram-negative bacteria. The assay was developed as a multiplex SYBR Green I detection using the Roche Lightcycler and multi-melting peak analysis followed...
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