The third, the gold nanoparticles have large specific surface area and produced a three-dimensional assembly of GOx, which can immobilize more enzymes as compared to the two-dimensional substrate.

• 再次，金纳米粒子具有大的比表面积，能够在三维方向上对酶进行固载，较二维平面组装能固载更多的GOx，有拓展电极面积的作用；