Importance

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Abstract

The systems and methods of the present invention utilize a linear component of a non-linear, faradaic current response generated by a biological fluid sample when an AC excitation potential sufficient to produce such a faradaic current response is applied to the sample, in order to calculate the concentration of a medically significant component in the biological fluid sample. The current response is created by the excitation of electrochemical processes within the sample by the applied potential. Typically, the linear component of the current response to an applied AC potential contains phase angle and/or admittance information that may be correlated to the concentration of the medically significant component. Also typically, the fundamental linear component of the current response is utilized in the disclosed systems and methods. Harmonics of the fundamental linear component may also be used. Other methods and devices are disclosed.

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First Claim