mass-to-charge ratio

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mass-to-charge ratio

A physical parameter widely used in electron microscopy, nuclear physics and mass spectrometry to quantify particles and their effect on the system.
References in periodicals archive ?
The suspect sample had a molecular mass to charge ratio of 276, compared with 289 for normal bupivacaine.
Nucleic acids are made up of four different base molecules, each with a different mass to charge ratio. By totaling the number of each of the four molecules in a sample and comparing it to a known standard, one can determine whether differences, or polymorphisms, exist in the sample.