نتایج جستجو برای: pcr reaction

تعداد نتایج: 548368  

Journal: :The Journal of infectious diseases 2012
Sarah Coseo Markt Ana C Rodriguez Robert D Burk Allan Hildesheim Rolando Herrero Sholom Wacholder Martha Hutchinson Mark Schiffman

BACKGROUND Few studies have addressed the timing of cervical cytologic abnormalities and human papillomavirus (HPV) positivity during the course of an infection. It remains largely unknown how infections detected by HPV and cytology wax and wane relative to each other. The aim of this analysis was to assess the longitudinal relationship of abnormal cytology and HPV positivity in a 7-year prospe...

Journal: :Scientific Reports 2021

Abstract Avian leukosis virus subgroup J (ALV-J) causes oncogenic disease in chickens China, resulting great harm to poultry production, and remains widespread China. Herein, we employed a cross-priming amplification (CPA) approach nucleic acid detection device establish visual rapid method for ALV-J. The sensitivity of CPA, polymerase chain reaction (PCR) real-time PCR (RT-PCR) was compared, t...

2014
Jia Liu Hongshuo Song Donglai Liu Tao Zuo Fengmin Lu Hui Zhuang Feng Gao

Artificial recombinants can be generated during PCR when more than two genetically distinct templates coexist in a single PCR reaction. These recombinant amplicons can lead to the false interpretation of genetic diversity and incorrect identification of biological phenotypes that do not exist in vivo. We investigated how recombination between 2 or 35 genetically distinct HIV-1 genomes was affec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده علوم 1370

1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...

Journal: : 2022

Canine hepatozoonosis is a tick-borne protozoan disease spread by hard ticks of the Ixodidae family. Although this illness has been seen in numerous locations Türkiye, its existence Batman and Van provinces yet to be confirmed. The purpose research was look into canine stray dogs from two distinct areas Türkiye using conventional polymerase chain reaction (PCR). Between 2019 2021, blood samples...

Journal: :Nucleic acids research 1994
Bruce Allan Heidi Smuts Lafras M. Steyn

The polymerase chain reaction (PCR) is used widely for the in vitro amplification of DNA. The versatility of PCR can be enhanced by the introduction of sequential steps such as nested primer amplifications (1) or re-amplification protocols (2). PCR can also be done on cDNA templates produced by reverse transcription of RNA (3). These protocols require additional opening and closing of the react...

Journal: :Voprosy gematologii/onkologii i immunopatologii v pediatrii 2023

This article discusses the potential of droplet digital polymerase chain reaction (PCR) for diagnostic detection and monitoring allelic load BRAF V600E mutation in circulating cell-free DNA myeloid progenitor cell population bone marrow patients with Langerhans histiocytosis (LCH). Droplet PCR may serve as a useful tool minimal residual disease improve our understanding pathogenesis cells histi...

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