Detection of ATP in cancer cells with a label-free fluorescent aptasensor

Author:

Liu Liying1,Liang Xiuju2,Li Zhaoming1,Zhang MingZhi1,Gao Ming1

Affiliation:

1. Department of Oncology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China

2. Department of Oncology, No. 960 Hospital, The People's Liberation Army, Jinan, 250031, China

Abstract

Aim: To develop a new detection technique for ATP in cancer cells using fluorescent biosensing. Materials & methods: This research presents a new label-free fluorescent aptasensor for ATP measurement that incorporates a DNA aptamer, SYBR Gold and single-walled carbon nanohorns. Results: The aptasensor showed selectivity toward ATP and a low limit of detection (37.6 nM). The linear detection range was 100–50,000 nM, and the fluorescence intensity and ATP concentration logarithm showed an excellent linear correlation (R2 = 0.9924). Conclusion: The developed aptasensor may be used to detect cellular ATP in cancer cells and could be employed for biological sample analysis. The benefits of the aptasensor, such as its simplicity, speed, cost–effectiveness, specificity and sensitivity, give it promising implications as a potentially adaptable sensing platform.

Funder

Beijing Xisike Clinical Oncology Research Foundation

Publisher

Future Medicine Ltd

Subject

Development,General Materials Science,Biomedical Engineering,Medicine (miscellaneous),Bioengineering

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