测定意义：ATP广泛存在于动物、植物、微生物和培养细胞中，是生物能量通货，能荷是描述细胞能量代谢状态的主要参数。测定ATP含量并且计算能荷，能够反映能量代谢状态。
 
测定原理：肌酸激酶催化肌酸和ATP反应生成磷酸肌酸，可在700nm下用磷钼酸比色法检测磷酸肌酸含量，以此反应ATP含量。
 
需要的仪器，耗材:分光光度计/酶标仪、水浴锅、可调式移液枪、微量石英比色皿/96孔板、研钵和蒸馏水。

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