Inside our cells, molecules are constantly binding and separating from one another. It’s this game of constant flux that drives gene expression asides essentially every other biological process.
Understanding the specific details of how these interactions take place is thus crucial to our overall understanding of the fundamental mechanisms of living organisms. There are millions of possible combinations of molecules, however; determining all of them would be a Herculean task. Various tools have been developed to measure the degree of affinity between a strand of DNA and its transcription factor. They provide an indication of the strength of the affinity between them.
“Commercial” devices, however, have one main drawback: many preliminary manipulations are necessary before an experiment can be carried out, and even then, the experiment can only focus on a dozen interactions at a time.
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