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In research or diagnosis DNA amplification can be conducted through methods such as: Polymerase chain reaction, an easy, cheap, and reliable way to repeatedly replicate a focused segment of DNA by polymerizing nucleotides, a concept which is applicable to numerous fields in modern biology and related sciences.
A strip of eight PCR tubes, each containing a 100 μL reaction mixture Placing a strip of eight PCR tubes into a thermal cycler. The polymerase chain reaction (PCR) is a method widely used to make millions to billions of copies of a specific DNA sample rapidly, allowing scientists to amplify a very small sample of DNA (or a part of it) sufficiently to enable detailed study.
The polymerase chain reaction is the most widely used method for in vitro DNA amplification for purposes of molecular biology and biomedical research. [1] This process involves the separation of the double-stranded DNA in high heat into single strands (the denaturation step, typically achieved at 95–97 °C), annealing of the primers to the single stranded DNA (the annealing step) and copying ...
Loop-mediated isothermal amplification (LAMP) is a single-tube technique for the amplification of DNA [2] for diagnostic purposes and a low-cost alternative to detect certain diseases. [3] LAMP is an isothermal nucleic acid amplification technique.
Due to its strand displacement during amplification, the amplified DNA has sufficient coverage of the source DNA molecules, which provides a high-quality product for genomic analysis. The products of displaced strands can be subsequently cloned into vectors to construct library for subsequent sequencing reactions.
Multiple Annealing and Looping Based Amplification Cycles (MALBAC) is a quasilinear whole genome amplification method. Unlike conventional DNA amplification methods that are non-linear or exponential (in each cycle, DNA copied can serve as template for subsequent cycles), MALBAC utilizes special primers that allow amplicons to have complementary ends and therefore to loop, preventing DNA from ...
The branched DNA binds to the sample nucleic acid by specific hybridization in areas which are not occupied by capture hybrids. The branching of the DNA allows for very dense decorating of the DNA with the enzyme, which is important for the high sensitivity of the assay [citation needed]. The enzyme catalyzes a reaction of a substrate which ...
Conventional PCR is based on the theory that amplification is exponential. Therefore, nucleic acids may be quantified by comparing the number of amplification cycles and amount of PCR end-product to those of a reference sample. [3] However, many factors complicate this calculation, creating uncertainties and inaccuracies.