1 条结果 关键词:外切酶I ×

Exonuclease I-assisted fluorescent method for ochratoxin A detection using iron-doped porous carbon, nitrogen-doped graphene quantum dots, and double magnetic separation.

Analytical and bioanalytical chemistry 2019 Wang C, Tan R, Li J, Zhang Z

本文开发了一种用于赭曲霉毒素A(OTA)检测的荧光方法,采用铁掺杂多孔碳(MPC)和适配体功能化氮掺杂石墨烯量子点(NGQDs-Apt)作为探针。由于适配体与MPC之间的π–π作用,NGQDs-Apt吸附在MPC表面,其荧光被猝灭;OTA与适配体强结合后使NGQDs-Apt从MPC上脱离,荧光恢复。加入外切酶I(Exo I)后,Ex...