Pulse labelling

Pulse labelling is a biochemistry technique of identifying the presence of a target molecule, by 'pulsing' the sample, in other words, by labeling the sample with a radioactive compound. This is mainly done to identify the stage at which the messenger RNA is being produced in a cell. In this the pulse of ³H atom is pulsed for a period of around 2 mins to detect the newly formed mRNA during that period.

References

Gurbachan S. Miglani. Developmental Genetics. I. K. International Pvt Ltd, Jan 1, 2005 pg. 208

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