| 摘要 |
Methods and apparatuses for monitoring the level of glucose or other constituents in live subjects are disclosed. Stem cells are obtained from the subject and processed into cells that change their optical characteristics in response to a level of the constituent. The responsive cells are formed into clusters and implanted into in the subject's body at locations that permit optical monitoring from outside the subject's body. The implanted cell clusters are illuminated and the reflected illumination from each of the cell clusters is detected. Changes in the optical characteristics of the cell clusters that correspond to the responses of the cell clusters are identified, and the identified changes are mapped to a constituent level based on calibration data for each cell cluster. An indication of the constituent level in the subject is then output.
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