Journal
ANALYTICAL CHEMISTRY
Volume 76, Issue 3, Pages 610-618Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ac0303721
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- NCRR NIH HHS [P41 RR008119] Funding Source: Medline
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We have tested the feasibility of tear glucose sensing using a daily, disposable contact lens embedded with boronic acid-containing fluorophores as a potential alternative to current invasive glucose-monitoring techniques. Our findings show that our approach may, indeed, be suitable for the continuous monitoring of tear glucose levels in the range 50-500 muM, which track blood glucose levels that are similar to5-10-fold higher. We compare the response of the boronic acid probes in the contact lens to solution-based measurements and can conclude that both the pH and polarity within the contact lens need to be considered with respect to choosing/designing and optimizing glucose-sensing probes for contact lenses.
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