Modifying biosensor with multi - walled carbon nanotube ( mwnt ) could raise the sensitivity and enlarge sensitive range of the sensor . mwnt were thought to enhance this response in the two sides 纳米碳管有很大的比表面积,具有相当好的生物催化特性。实验结果表明纳米碳管修饰生物酶传感器能大幅度提高生物酶电极的敏感性和敏感范围。