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author:

Xu, Y. (Xu, Y..) [1] | Zhou, C. (Zhou, C..) [2] | Li, D. (Li, D..) [3] | Guo, C. (Guo, C..) [4] | Li, Z. (Li, Z..) [5] | Xing, X. (Xing, X..) [6] | Li, S. (Li, S..) [7] | Guan, T. (Guan, T..) [8] | Liu, L. (Liu, L..) [9] | He, Y. (He, Y..) [10]

Indexed by:

Scopus

Abstract:

In this study, an aptamer biosensor based on weak value amplification is proposed for the first time. The feasibility, selectivity, robustness, and high detection accuracy of aptamer sensors are verified by the adenosine triphosphate (ATP) detection experiment. The weak measurement system shows high sensitivity to phase changes, corresponding to refractive index changes, attributed to the changes in the spatial configuration of the aptamer nucleic acid chain after specifically capturing the target molecule. As the main energy source in the body, ATP plays an important role in many biological processes, and its detection is of great significance to study cell metabolism, biochemical pathways, and early-stage disease diagnosis. This work provides a new labeling-free detection scheme for aptamer sensors and offers a high-precision and specific detection of small biological molecules based on weak measurement biosensors. The proposed method is of great significance to the development of aptamer sensors and weak value amplification technology. © 2022 Elsevier B.V.

Keyword:

Adenosine triphosphate detection Aptamer biosensor Lable-free Weak value amplification

Community:

  • [ 1 ] [Xu, Y.]Institute of Optical Imaging and Sensing, Shenzhen Key Laboratory for Minimal Invasive Medical Technologies, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 2 ] [Xu, Y.]Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 3 ] [Zhou, C.]Institute of Optical Imaging and Sensing, Shenzhen Key Laboratory for Minimal Invasive Medical Technologies, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 4 ] [Zhou, C.]Department of Physics, Tsinghua University, Beijing, 100084, China
  • [ 5 ] [Li, D.]Center for Optics & Optoelectronics Research, Collaborative Innovation Center for Information Technology in Biological and Medical Physics, College of Science, Zhejiang University of Technology, Hangzhou, 310023, China
  • [ 6 ] [Guo, C.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Li, Z.]Institute of Optical Imaging and Sensing, Shenzhen Key Laboratory for Minimal Invasive Medical Technologies, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 8 ] [Li, Z.]Department of Physics, Tsinghua University, Beijing, 100084, China
  • [ 9 ] [Xing, X.]Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 10 ] [Li, S.]Biomedical Engineering Laboratory, School of Information Engineering, Guangdong Medical University, Dongguan, 523808, China
  • [ 11 ] [Guan, T.]Institute of Optical Imaging and Sensing, Shenzhen Key Laboratory for Minimal Invasive Medical Technologies, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 12 ] [Guan, T.]School of Medicine, Tsinghua University, Beijing, 100084, China
  • [ 13 ] [Liu, L.]Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 14 ] [He, Y.]Institute of Optical Imaging and Sensing, Shenzhen Key Laboratory for Minimal Invasive Medical Technologies, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  • [ 15 ] [He, Y.]Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China

Reprint 's Address:

  • [Guan, T.]Tsinghua Shenzhen International Graduate School, China

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Source :

Sensors and Actuators B: Chemical

ISSN: 0925-4005

Year: 2022

Volume: 371

6 . 3 9 3

JCR@2018

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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