JIANG Li-ying1, LIU Hong-min2, LIU Jian2, et al. Research on new biosensor for non-invasive detection of subcutaneous glucose[J]. 2008, 27(11): 53-56. DOI: 10.13873/j.1000-97872008.11.023.
A new sensitive biosensor is formed by the immobilization of Os-complex redox polymer and glucose oxidase on the electrode surface to determination glucose in noninvasive way.Glucose biosensor exhibits analytic sensitivity of 23.955nA /(μmol·L-1) with the correlation coefficient up to 0.999 in the relevant concentration range of 0
7
00μmol/L.The limit of detection for glucose is 0.3μmol/L.The biosensor exhibits sensitivity of 4.03nA/(mmol·L-1) for subcutaneous glucose.In the relevant concentration range of 0
1
9mmol/L
the correlation coefficient is 0.994.Relative standard deviations are 4.07% and 3.22% for within-run precision and betwee
n-run precision(n=10)
respectively in 100μmol/L glucose detection.The biosensor life is about 450d stored at 4℃.
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