Reagent Kit for Single Cell Gel Electrophresis Assay
产品先容:
DNA 在自由基(如·OH)的攻击下容易爆发损伤,,,即脱氧戊糖遭到破环,,,磷酸二脂键的断裂,,,碱基的破环或脱落,,,便可进一步爆发单链断裂或双链断裂。。将细胞牢靠于低熔点琼脂糖中,,,取少量细胞涂在载玻片上,,,用碱高盐溶液破损细胞膜,,,再用碱溶液使 DNA 分子解旋。。将载玻片置于电泳液中,,,在电场的作用下,,,DNA 分子向阳极移动。。若是DNA 损伤严重,,,碎片多,,,则电泳速率快。。未受损伤的DNA 大分子则由于细胞膜的阻隔,,,滞留在原处。。用PI 染色或银染,,,可视察到DNA 受损的细胞形同彗星征象,,,作定性剖析。。也可用相关的软件作定量剖析。。
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