نتایج جستجو برای: qpcr
تعداد نتایج: 13261 فیلتر نتایج به سال:
A long-sought milestone in microfluidics research has been the development of integrated technology for scalable analysis of transcription in single cells. Here we present a fully integrated microfluidic device capable of performing high-precision RT-qPCR measurements of gene expression from hundreds of single cells per run. Our device executes all steps of single-cell processing, including cel...
We have developed a PCR-based short interfering RNA (siRNA) quantification method based on competition between siRNA and a homologous DNA primer for annealing to template DNA, avoiding the requirement for prior conversion of RNA to cDNA. Primers and probe were designed to amplify regions of the human papillomavirus E6 or enhanced green fluorescent protein genes. Having confirmed siRNA could not...
Quantitative polymerase chain reaction (qPCR) is widely used in quantitation of plasma DNA for non‑invasive prenatal diagnosis (NIPD). Control genes are indispensable as standard normalizers in qPCR analysis, and there is increasing evidence indicating that the content levels of commonly used control genes vary significantly in different independent experiments. The commonly used control genes ...
Following the introduction of pneumococcal conjugate vaccines (PCVs) for infants, surveillance studies on Streptococcus pneumoniae carriage have proven valuable for monitoring vaccine effects. Here, we compared molecular versus conventional diagnostic methods in prospective cross-sectional surveillances in vaccinated infants in the Netherlands. Nasopharyngeal samples (n = 1169) from 11- and 24-...
Human fecal pollution of recreational waters remains a public health concern worldwide. As a result, there is a growing interest in the application of human-associated fecal source identification quantitative real-time PCR (qPCR) technologies for water quality research and management. However, there are currently no standardized approaches for field implementation and interpretation of qPCR dat...
Gut colonization with enterotoxigenic Bacteroides fragilis (ETBF) appears to be associated with the development of colorectal cancer. However, differences in carriage rates are seen with various testing methods and sampling sites. We compared standard PCR, SYBR green and TaqMan quantitative PCR (qPCR) and digital PCR (dPCR) in detecting the B. fragilis toxin (bft) gene from cultured ETBF, and f...
Gene expression analysis in tomato fruit has drawn increasing attention nowadays. Quantitative real-time PCR (qPCR) is a routine technique for gene expression analysis. In qPCR operation, reliability of results largely depends on the choice of appropriate reference genes (RGs). Although tomato is a model for fruit biology study, few RGs for qPCR analysis in tomato fruit had yet been developed. ...
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