Ricin detection by biological signal amplification in a well-in-a-well device.


This paper presents a ricin detection method based on ricin's inhibitory effects on protein synthesis. Biological synthesis (expression) of a protein includes the steps of gene transcription (DNA --> RNA) and protein translation (RNA --> proteins); these reactions can be coupled into a one-step operation and carried out in a cell-free medium. Ricin is known… (More)


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