| 摘要 |
A method of tracking target molecules produced in a chemical reaction the method comprising providing a reaction region on a carrier, the carrier being arranged such that the target molecules react with the reaction region causing flexion of the carrier introducing the carrier to target molecules; illuminating the carrier with radiation such that radiation reflected from or transmitted through the flexed carrier forms a caustic optical feature; and measuring the position of the caustic to determine if the reaction region has reacted with the target molecules.
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