| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of a conventional immobilized enzyme membrane, wherein having the difficulty of expanding a measurement range allowing a quantitative measurement to be carried out existed, by only improving the immobilized enzyme membrane, because the rate of the product movement of the phase on a basic electrode side is saturated in the case the amount of enzyme to be immobilized is increased, and enzymic reactions are saturated, when the amount of target molecule becomes large, when the amount of enzyme is decreased. <P>SOLUTION: A polymer membrane which is a phase on a specimen side and whose pore size is adjusted, is used as a substrate control membrane controlling the movement quantity of the target molecule into an enzyme-immobilizing membrane, thereby improving the linearity and expanding the measurement range which allows the quantitative measurement to be carried out, without modifying the immobilized enzyme membrane itself. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
