Under the optimum condition, the linear response range of glucose was found to be 2.25 脳 10鈭? to 1.75 脳 10鈭? mol L鈭?, and the detection limit (defined as the concentration that could be detected at the signal-to-noise ratio of 3) was 1.00 脳 10鈭? mol L鈭?. The CL biosensor exhibited good storage stability, i.e., 80%of its initial response was retained after 10 days storage at pH 7.0. The present CL biosensor has been used to determine the glucose concentrations in real serum and urine samples with satisfactory results.
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