نتایج جستجو برای: multiplex
تعداد نتایج: 20335 فیلتر نتایج به سال:
Network analysis is a frequently applied method of studying relations in a dataset. Many network measures assume that each edge in the network conveys the same information. This allows us to express measures such as distance, but can also lead to an incomplete or incorrect view of the data as only one relation in the data can be taken into account. In this thesis we study motif detection on mul...
OBJECTIVE To validate a multiplex polymerase chain reaction (PCR) assay capable of simultaneously screening vitreous biopsy specimens for a panel of common pathogens in posterior uveitis. METHODS A multiplex PCR assay using novel primer sets for cytomegalovirus (CMV), herpes simplex virus (HSV), varicella zoster virus (VZV), and Toxoplasma gondii was developed. The sensitivity of the assay wa...
This paper focuses on the problem of growing multiplex networks. Currently, the results on the joint degree distribution of growing multiplex networks present in the literature pertain to the case of two layers and are confined to the special case of homogeneous growth and are limited to the state state (that is, the limit of infinite size). In the present paper, we first obtain closed-form sol...
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 ...
This research examines how multiplex organizational networks coevolve. Evolutionary and network theories were used to develop hypotheses about tie formation in both uniplex and multiple networks in organizational communities. Based on data between 1997 and 2005 collected from the records of development projects in the field of Information and Communication Technology for Development, the study ...
Wuchereria bancrofti, Dirofilaria immitis, and Dirofilaria repens are filarial nematodes transmitted by mosquitoes belonging to Culex, Aedes, and Anopheles genera. Screening by vector dissection is a tiresome technique. We aimed to screen filarial parasites in their vectors by single and multiplex PCR and evaluate the usefulness of multiplex PCR as a rapid xenomonitoring and simultaneous differ...
This study firstly developed a multiplex real-time PCR (RT-PCR) technique combined with a pre-enrichment step to simultaneously detect Staphylococcus aureus (S. aureus), Listeria monocytogenes (L. monocytogenes) and Salmonella spp. in raw milk and the dairy farm environment (feces, soil, feed, water) in one reaction. Brain heart infusion (BHI) broth was selected for the enrichment step to incre...
Abstract Background: Food-borne illnesses are one of the main problems due to contaminated food or water that can occur in humans. Since salmonella species is one of the most common causes of food poisoning, the purpose of this study was to define the prevalence of serotypes of Salmonella species, in foods by multiplex PCR. Methods: This Cross-Sectional study was done on 170 samples of food...
We developed a multiplex enzyme-based electrochemical genosensor for sequence-specific detection of multiplex linear-after-the-exponential-PCR amplicons that targeted toxigenic Vibrio cholerae O1 and O139 using novel screen-printed gold electrode bisensors.
زمینه و اهداف: سویههای سمزای(Toxogenic) ویبریوکلرا که واجد ژنهای ctxA،ctxB و zot هستند، نسبت به سویههای غیرسمزابیماری شدیدتری ایجاد میکنند، بنابراین شناسائی دقیق و سریع سویههای سمزا بسیار حائز اهمیت است. این مطالعه با هدف بهکارگیری روش Multiplex PCR برای جداسازی همزمان ژنهای ctxA ، ctxB و zot در ویبریو کلرا ایزولهشده از بیماران طراحی گردید. مواد و روش کار: در این مطالعه 73 سویه بالی...
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