نتایج جستجو برای: multiplex reverse transcriptase pcr rt
تعداد نتایج: 295068 فیلتر نتایج به سال:
اسهال ویروسی گاو (bvd) یک عامل بیماری¬زا است که در گاوها ایجاد عفونت می¬کند و اهمیت اقتصادی در جهان دارد. این ویروس موجب خسارت¬های اقتصادی قابل توجه بر صنعت دام¬پروری می¬شود. در این پژوهش با کمک 3 روش متفاوت شناسایی ویروس با نانو ذرات طلا انجام گرفت و شرایط واکنش بهینه شد. این 3 روش شامل نانو ذرات اصلاح نشده، نانو ذرات اصلاح شده به کمک 2 پراب و تک پراب بود. در هر سه روش تغییر رنگ در نمونه های ک...
Background: This study aimed to evaluate the diagnostic value of outer dense fiber 4 (ODF4), melanoma-associated antigen A3 (MAGEA3), and MAGEAB4 mRNAs in transitional cell carcinoma (TCC), using a small amount of cell reverse transcriptase-polymerase chain reaction (RT-PCR) on urinary exfoliated cells. Methods: We recruited a total of 105 suspected TCC patients and 54 sex- and age-matched non-...
Vascular endothelial growth factor (VEGF)-induced angiogenesis contributes to inflammatory bone resorption in humans. Widely documented antagonists include antibiotics and non-steroidal anti-inflammatory drugs (NSAIDs). The purpose of this study was investigate the effect these on proangiogenic VEGF levels periradicular lesions. Periapical tissue biopsies were obtained from 42 patients with chr...

 Since December 2019, COVID 19 pandemic has devastated communities across the world. As number of patients recovered from continue to rise, question acquired immunity versus chances re-infection becomes critical understand future spread infection. Here, we present a case patient previously COVID-19, develops new symptoms concerning for possible with positive reverse transcriptase-polymera...
We passaged 52 serum samples from dengue patients on C6/36 cells for 7 days and checked the culture fluids by RT-PCR. Two serum samples, which were negative by direct RT-PCR, became positive. One sample was collected on fever day 1 and the other on fever day 2. Results indicate that combination of reverse transcriptase-polymerase chain reaction (RT-PCR) with passage of serum samples on C6/36 ce...
PURPOSE EML4-ALK is a lung cancer oncogene, and ALK inhibitors show marked therapeutic efficacy for tumors harboring this fusion gene. It remains unsettled, however, how the fusion gene should be detected in specimens other than formalin-fixed, paraffin-embedded tissue. We here tested whether reverse transcription PCR (RT-PCR)-based detection of EML4-ALK is a sensitive and reliable approach. ...
A rapid identification of dengue viruses from clinical samples by using a nested reverse transcriptase-polymerase chain reaction (RT-PCR) procedure was carried out for diagnostic and epidemiological purposes. RT-PCR identified DEN-1 and DEN-2 viruses in 41% (41/100) of previously confirmed cases and provided an accurate confirmation of DHF in four fatal cases. RT-PCR was also useful for detecti...
introduction: reverse transcriptase-polymerase chain reaction (rt-pcr) assay is a useful tool for the detection of fusion transcript resulting from specific chromosomal translocation of the leukemia cells. a specific chromosomal abnormality, the philadelphia chromosome (ph), is present in 90% to 95% of cml patients.the aberration results from a reciprocal translocation between chromosome 9 and ...
The endemic of Avian Influenza Virus (AIV) in Asia and epizootics in some European regions have caused serious economic losses. Multiplex reverse-transcriptase (RT) PCR has been developed to detect and subtype AIV. However, the number of targets that can be amplified in a single run is limited because of uncontrollable primer-primer interferences. In this paper, we describe a lab-on-a-chip devi...
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