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仪器、耗材等电聚焦凝胶 实验步骤按 “载体两性电解质 pH 梯度等电聚焦” 所述的方法配制 T=5%，C=3% 的等电聚焦凝胶，并进行等电聚焦。为使在第二向电泳时，样品分子有强的电荷，以便在短时间内完成第二向电泳，保证