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研制成一种碳纤维(Φ=35μm)穿入5号或6号注射针头(为参比电极)内的同心轴针形伏安传感器,经电化学法活化后,可以检测到5×10~(-8)mol/L的去甲肾上腺素(NE);实验表明,此传感器完全可以直接刺入活体某些部位以便在体监测NE等神经递质及一些其它物质的含量变化。
A carbon fiber (Φ = 35μm) was inserted into a concentric pin-type voltammetric sensor which was inserted into the injection needle No.5 or No.6 (as a reference electrode). After electrochemical activation, a 5 × 10 ~ 8) mol / L of norepinephrine (NE). Experiments show that this sensor can penetrate some parts of the living body directly to detect NE and other neurotransmitters and some other substances in the body.