نتایج جستجو برای: sybr green i
تعداد نتایج: 1167642 فیلتر نتایج به سال:
A simple, quick and sensitive method was used to detect telomerase activity in Plasmodium falciparum. The telomeric repeat amplification protocol (TRAP assay) was modified using electrophoresis and staining with SYBR-green I to detect telomerase activity in a range of 10 to 10(7) parasites. This might be a useful way to ascertain telomerase activity in different types of nontumor cells.
Growing evidence suggests microRNAs (miRNAs) have an important role in tumorigenesis. MicroRNA-21 (miR-21) is up-regulated in many malignant tumors, including breast cancer. Its association with clinicopathologic features and expression of PTEN (phosphatase and tensin homolog deleted on chromosome 10), one of its target genes, in breast cancer has not been reported systematically. To further de...
BACKGROUND Asthma is caused by the combination of different factors. Current concepts of asthma pathogenesis emphasize on gene-environment interactions. Mega-genome scanning projects revealed that different Single Nucleotide Polymorphisms (SNPs) are related to asthma susceptibility. rs7216389-T is one of them that is related to childhood asthma and its effect on childhood asthma severity has be...
abstract- today, the authenticity of meat products with less costly and desirable species has increased. therefore and considering religious, economicalor public health concerns, proper actions should be taken to prevent such frauds. in this study, real time pcr assay was applied for rapid, sensitive and specific identification and quantification of chicken tissue in meat products. specific pri...
conclusions multiplex sybr green real-time pcr is a rapid and relatively inexpensive method for detection of respiratory viruses. results application of the multiplex sybr green real-time pcr in clinical samples from 172 patients in a one-year study resulted in detection of 19 (11.04%) piv3, 9 (5.23%) piv4, and 1 (0.58%) coronavirus nl63. all the positive samples were detected during december t...
Some sites of extrapulmonary tuberculosis and focal complications of brucellosis are very difficult to differentiate clinically, radiologically, and even histopathologically. Conventional microbiological methods for the diagnosis of extrapulmonary tuberculosis and complicated brucellosis not only lack adequate sensitivity, they are also time consuming, which could lead to an unfavourable progno...
Using fluorescence microscopy, we explored the ability of cultured immune cells to take up aqueous SYBR Green I (SGI). SYBR Green I, a highly sensitive fluorescent nucleic acid stain, which preferentially binds to dsDNA over ssDNA or RNA with little background fluorescence from unbound molecules. A time course study over 2h using final dilutions of SGI of 1:10,000 and 1:100,000 at 22 and 37 deg...
BACKGROUND We intend to design and validate a low-cost assay for the detection of hepatitis C virus (HCV) RNA using rapid-cycle RT-PCR. The procedure is performed in a closed system with little risk of contamination allowing PCR and product identification to be performed within one or two hours. METHODS A SYBR Green-based real-time RT-PCR for rapid detection of HCV. Amplicon synthesis was mon...
BACKGROUND DNA melting analysis for genotyping and mutation scanning of PCR products by use of high-resolution instruments with special "saturation" dyes has recently been reported. The comparative performance of other instruments and dyes has not been evaluated. METHODS A 110-bp fragment of the beta-globin gene including the sickle cell anemia locus (A17T) was amplified by PCR in the presenc...
BACKGROUND Peste des petits ruminants (PPR) is an economically important disease of small ruminants such as sheep and goats. The disease is characterized by severe pyrexia, oculo-nasal discharge, pneumonia, necrosis and ulceration of the mucous membrane and inflammation of the gastro-intestinal tract leading to severe diarrhea. A SYBR Green I based real time RT-PCR targeting the N gene of PPRV ...
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