CRISPR-Cas12a-enhanced mass spectrometric DNA nanomachine for HPV-16 detection in human serum

Literature Information

Publication Date 2023-12-18
DOI 10.1039/D3CC05949A
Impact Factor 6.222
Authors

Yueli Hu, Liwei Liu, Chaoqun Wang, Jing Zhou, Rui Liu


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Abstract

Cervical cancer is the second most harmful cancer to women, while human papillomavirus (HPV)-16 is the main cause of cervical cancer. Early virus screening can reduce the risk of death, but is sometimes challenged by the low concentration and complicated matrix in physiological samples such as human serum. Herein, we report a CRISPR-Cas12a-enhanced mass spectrometric 3D DNA nanomachine for HPV-16 detection in human serum. Thanks to the high sensitivity of the CRISPR-Cas12a-enhanced 3D DNA nanomachine, and the high matrix-tolerance of elemental mass spectrometry, the proposed method was successfully applied for direct human serum analysis with a low detection limit of 1.2 pM.

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