The Amplification reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Amplification

1. An amplification is a figure of speech that adds importance to or makes the most of a statement, to increase its rhetorical effect. 2. The term amplification is also used in some common methods of molecular biology. The so-called Polymerase Chain Reaction or PCR is the most common way of DNA amplification used in biological experiments today. Linear amplification is becoming increasingly important in amplification of a whole pool of RNA (the so-called 'transcriptome' of a cell, tissue or organism) when low RNA quantity is the limiting factor for down-stream experiments.

For other meanings, see amplifier.

Amplification is a basic process sometimes seen in nature, and often used in which involve a which must be made stronger.

An is a device which changes a small movement into a larger movement. However, in general the most common and useful amplifiers actually use a small amount of energy to control a larger amount of energy. Furthermore it is of significant advantage if the amplified output is in a linear relationship with that of the input. This relationship is known as the of the amplifier. The commonest use of amplifiers is within , particularly those used in and and .

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