What technique is usually used for the quantification of a bacteriophage suspension?

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The most common and accurate method for quantifying bacteriophage is by performing a plaque assay. This involves serially diluting the bacteriophage suspension and using it to infect a bacterial lawn. The viral particles will kill the host bacteria, leading to the formation of clear spots called plaques. The number of plaques can be counted to determine the number of bacteriophages present in the original suspension.

What Technique Is Usually Used for the Quantification of a Bacteriophage