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Detection methods for results of a loop-mediated isothermal amplification of DNA.

07:00 EST 1st January 2020 | BioPortfolio

Summary of "Detection methods for results of a loop-mediated isothermal amplification of DNA."

The loop mediated isothermal amplification (LAMP) was developed by T. Notomi et al. in 2000. It has become one of the most promising methods for point-of-care diagnostics due to its accuracy, sensitivity and ease of execution. In this review, various methods for detecting the results of the LAMP reaction are considered; their advantages and disadvantages are revealed. Methods for detecting LAMP results can be divided into indirect and direct. Indirect methods aimed at detecting changes in the chemical composition of the reaction mixture include real-time turbidimetry, fluorescence detection with calcein, colorimetric detection with hydroxynaphthol blue, and detection using modified gold nanoparticles. Direct methods based on the detection of accumulation amplicons during the reaction include fluorimetric detection with intercalating dyes, resonance fluorescence energy transfer, enzyme immunoassay, immunochromatography, using cationic polymers and gold nanoparticles. The development in the field of point-of-care diagnostics is characterized by a pronounced tendency to miniaturization, the LAMP reaction on microchips and microfluidic devices with an electrochemical or optical detection method. The most promising for the diagnosis of infectious diseases are turbidimetry methods and the use of intercalating dyes. The development of portable domestic instruments for detecting of LAMP results based on real-time fluorescence detection or turbidimetry will contribute to the widespread introduction of the method into clinical laboratory diagnostic practice. A literature research was conducted in the Pubmed ncbi based on keywords.

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This article was published in the following journal.

Name: Klinicheskaia laboratornaia diagnostika
ISSN: 0869-2084
Pages: 67-72

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Medical and Biotech [MESH] Definitions

An isothermal in-vitro nucleotide amplification process. The process involves the concomitant action of a RNA-DIRECTED DNA POLYMERASE, a ribonuclease (RIBONUCLEASES), and DNA-DIRECTED RNA POLYMERASES to synthesize large quantities of sequence-specific RNA and DNA molecules.

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An increased response to stimulation that is mediated by amplification of signaling in the CENTRAL NERVOUS SYSTEM (CNS).

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