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Do we need to know about biosensors? A level OCR biology

Do we need to know about biosensors for r) quantitative methods to determine the concentration of a chemical substance in a solution ? In the specification it only says "to include colorimetry" but in the old textbook and some websites biosensors are mentioned. Please lmk :smile:
Sorry you've not had any responses about this. :frown: Are you sure you've posted in the right place? :smile: Here's a link to our subject forum which should help get you more responses if you post there. :redface:

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