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在位心肌跨膜电位记录虽已应用于科研,然而受条件的限制,特别是微电极放大器和微操纵器,两者价格贵,又较易损坏,尚不能用于让学生自行操作进行实验。目前我校试制了一种廉价的多关节电极架及简易微电极放大器,以代替市售微操纵器及微电极放大器,加上屏蔽罩及示波器可让学生自行做该项实验。多关节电极架有七个关节,可以弯曲,亦可向任何方向转动。它利用10mm直径的铜棒及两只螺丝关节,两片铝质短臂及电极夹子等制成,总
The potential transmembrane potential recording has been applied to scientific research, however, subject to conditions, especially the microelectrode amplifier and micromanipulator, both expensive and easily damaged, can not be used to allow students to operate their own experiments. At present, our school trial production of a cheap multi-joint electrode holder and simple micro-electrode amplifier to replace the commercially available micro-manipulator and micro-electrode amplifier, coupled with the shield and oscilloscope allows students to do the experiment on their own. Multi-joint electrode frame has seven joints, can be bent, but also to any direction of rotation. It uses a 10mm diameter copper rod and two screw joints, two pieces of aluminum jib and electrode clips made of the total