1
|
Peng G, Lin B, Guo M, Cao Y, Yu Y, Wang Y. Enzyme activity termination by titanium carbide nanosheet and its application for the detection of deoxyribonuclease I. Talanta 2023; 259:124533. [PMID: 37058942 DOI: 10.1016/j.talanta.2023.124533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 04/01/2023] [Accepted: 04/04/2023] [Indexed: 04/16/2023]
Abstract
Deoxyribonuclease I (DNase I) is a typical nuclease that plays key roles in many physiological processes and the development of a novel biosensing strategy for DNase I detection is of fundamental significance. In this study, a fluorescence biosensing nanoplatform based on a two-dimensional (2D) titanium carbide (Ti3C2) nanosheet for sensitive and specific detection of DNase I was reported. Fluorophore-labeled single-stranded DNA (ssDNA) can be spontaneously and selectively adsorbed on Ti3C2 nanosheet through the hydrogen bond and metal chelate interaction between phosphate groups of ssDNA and titanium of Ti3C2 nanosheet, resulting in effective quenching of the fluorescence emitted by fluorophore. Notably, it was found the enzyme activity of DNase I will be terminated by the Ti3C2 nanosheet. Therefore, the fluorophore-labeled ssDNA was firstly digested by DNase I and the "post-mixing" strategy of Ti3C2 nanosheet was chosen to evaluate the enzyme activity of DNase I, which provided the possibility of improving the accuracy of the biosensing method. Experimental results demonstrated that this method can be utilized for quantitative analysis of DNase I activity and exhibited a low detection limit of 0.16 U/ml. Additionally, the evaluation of DNase I activity in human serum samples and the screening of inhibitors with this developed biosensing strategy were successfully realized, implying that it has high potential as a promising nanoplatform for nuclease analysis in bioanalytical and biomedical fields.
Collapse
Affiliation(s)
- Guibin Peng
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou, Guangdong, 510006, PR China
| | - Bixia Lin
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou, Guangdong, 510006, PR China
| | - Manli Guo
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou, Guangdong, 510006, PR China
| | - Yujuan Cao
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou, Guangdong, 510006, PR China
| | - Ying Yu
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou, Guangdong, 510006, PR China.
| | - Yumin Wang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, Guangxi, 541004, PR China.
| |
Collapse
|
2
|
Clark V, Waters K, Orsburn B, Bumpus NN, Kundu N, Sczepanski JT, Ray P, Arroyo‐Currás N. Human Cyclophilin B Nuclease Activity Revealed via Nucleic Acid-Based Electrochemical Sensors. Angew Chem Int Ed Engl 2022; 61:e202211292. [PMID: 35999181 PMCID: PMC9633453 DOI: 10.1002/anie.202211292] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Indexed: 01/12/2023]
Abstract
Human cyclophilin B (CypB) is oversecreted by pancreatic cancer cells, making it a potential biomarker for early-stage disease diagnosis. Our group is motivated to develop aptamer-based assays to measure CypB levels in biofluids. However, human cyclophilins have been postulated to have collateral nuclease activity, which could impede the use of aptamers for CypB detection. To establish if CypB can hydrolyze electrode-bound nucleic acids, we used ultrasensitive electrochemical sensors to measure CypB's hydrolytic activity. Our sensors use ssDNA and dsDNA in the biologically predominant d-DNA form, and in the nuclease resistant l-DNA form. Challenging such sensors with CypB and control proteins, we unequivocally demonstrate that CypB can cleave nucleic acids. To our knowledge, this is the first study to use electrochemical biosensors to reveal the hydrolytic activity of a protein that is not known to be a nuclease. Future development of CypB bioassays will require the use of nuclease-resistant aptamer sequences.
Collapse
Affiliation(s)
- Vincent Clark
- Chemistry-Biology Interface ProgramZanvyl Krieger School of Arts & SciencesJohns Hopkins UniversityBaltimoreMD 21218USA
| | - Kelly Waters
- Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreMD 21205USA
| | - Ben Orsburn
- Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreMD 21205USA
| | - Namandjé N. Bumpus
- Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreMD 21205USA
| | - Nandini Kundu
- Department of ChemistryTexas A&M University College StationTexasTX 77842USA
| | | | - Partha Ray
- Department of SurgeryDivision of Surgical OncologyMoores Cancer CenterDepartment of MedicineDivision of Infectious Diseases and Global Public HealthUniversity of California San Diego HealthSan DiegoCA 92093USA
| | - Netzahualcóyotl Arroyo‐Currás
- Chemistry-Biology Interface ProgramZanvyl Krieger School of Arts & SciencesJohns Hopkins UniversityBaltimoreMD 21218USA,Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreMD 21205USA
| |
Collapse
|
3
|
Electrochemical behavior of methylene blue at bare and DNA-modified silver solid amalgam electrodes. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05270-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
|
4
|
Longer amplicons provide better sensitivity for electrochemical sensing of viral nucleic acid in water samples using PCB electrodes. Sci Rep 2022; 12:8814. [PMID: 35614180 PMCID: PMC9130999 DOI: 10.1038/s41598-022-12818-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 05/04/2022] [Indexed: 12/13/2022] Open
Abstract
The importance of monitoring environmental samples has gained a lot of prominence since the onset of COVID-19 pandemic, and several surveillance efforts are underway using gold standard, albeit expensive qPCR-based techniques. Electrochemical DNA biosensors could offer a potential cost-effective solution suitable for monitoring of environmental water samples in lower middle income countries. In this work, we demonstrate electrochemical detection of amplicons as long as \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{mathrsfs}
\usepackage{upgreek}
\setlength{\oddsidemargin}{-69pt}
\begin{document}$${503}\,\hbox {bp}$$\end{document}503bp obtained from Phi6 bacteriophage (a popular surrogate for SARS-CoV-2) isolated from spiked lake water samples, using ENIG finish PCB electrodes with no surface modification. The electrochemical sensor response is thoroughly characterised for two DNA fragments of different lengths (\documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{mathrsfs}
\usepackage{upgreek}
\setlength{\oddsidemargin}{-69pt}
\begin{document}$${117}\,\hbox {bp}$$\end{document}117bp and \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{mathrsfs}
\usepackage{upgreek}
\setlength{\oddsidemargin}{-69pt}
\begin{document}$${503}\,\hbox {bp}$$\end{document}503bp), and the impact of salt in PCR master mix on methylene blue (MB)-DNA interactions is studied. Our findings establish that length of the DNA fragment significantly determines electrochemical sensitivity, and the ability to detect long amplicons without gel purification of PCR products demonstrated in this work bodes well for realisation of fully-automated solutions for in situ measurement of viral load in water samples.
Collapse
|
5
|
Yu X, Zhang S, Guo W, Li B, Yang Y, Xie B, Li K, Zhang L. Recent Advances on Functional Nucleic-Acid Biosensors. SENSORS (BASEL, SWITZERLAND) 2021; 21:7109. [PMID: 34770415 PMCID: PMC8587875 DOI: 10.3390/s21217109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/17/2021] [Accepted: 10/23/2021] [Indexed: 02/07/2023]
Abstract
In the past few decades, biosensors have been gradually developed for the rapid detection and monitoring of human diseases. Recently, functional nucleic-acid (FNA) biosensors have attracted the attention of scholars due to a series of advantages such as high stability and strong specificity, as well as the significant progress they have made in terms of biomedical applications. However, there are few reports that systematically and comprehensively summarize its working principles, classification and application. In this review, we primarily introduce functional modes of biosensors that combine functional nucleic acids with different signal output modes. In addition, the mechanisms of action of several media of the FNA biosensor are introduced. Finally, the practical application and existing problems of FNA sensors are discussed, and the future development directions and application prospects of functional nucleic acid sensors are prospected.
Collapse
Affiliation(s)
| | | | | | | | | | | | | | - Li Zhang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (X.Y.); (S.Z.); (W.G.); (B.L.); (Y.Y.); (B.X.); (K.L.)
| |
Collapse
|
6
|
Zhou Y, Chen Y, Liu W, Fang H, Li X, Hou L, Liu Y, Lai W, Huang X, Xiong Y. Development of a rapid and sensitive quantum dot nanobead-based double-antigen sandwich lateral flow immunoassay and its clinical performance for the detection of SARS-CoV-2 total antibodies. SENSORS AND ACTUATORS. B, CHEMICAL 2021; 343:130139. [PMID: 34035562 DOI: 10.1016/j.snb.2021.130169] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 05/16/2021] [Accepted: 05/17/2021] [Indexed: 05/28/2023]
Abstract
Owing to the over-increasing demands in resisting and managing the coronavirus disease 2019 (COVID-19) pandemic, development of rapid, highly sensitive, accurate, and versatile tools for monitoring total antibody concentrations at the population level has been evolved as an urgent challenge on measuring the fatality rate, tracking the changes in incidence and prevalence, comprehending medical sequelae after recovery, as well as characterizing seroprevalence and vaccine coverage. To this end, herein we prepared highly luminescent quantum dot nanobeads (QBs) by embedding numerous quantum dots into polymer matrix, and then applied it as a signal-amplification label in lateral flow immunoassay (LFIA). After covalently linkage with the expressed recombinant SARS-CoV-2 spike protein (RSSP), the synthesized QBs were used to determine the total antibody levels in sera by virtue of a double-antigen sandwich immunoassay. Under the developed condition, the QB-LFIA can allow the rapid detection of SARS-CoV-2 total antibodies within 15 min with about one order of magnitude improvement in analytical sensitivity compared to conventional gold nanoparticle-based LFIA. In addition, the developed QB-LFIA performed well in clinical study in dynamic monitoring of serum antibody levels in the whole course of SARS-CoV-2 infection. In conclusion, we successfully developed a promising fluorescent immunological sensing tool for characterizing the host immune response to SARS-CoV-2 infection and confirming the acquired immunity to COVID-19 by evaluating the SRAS-CoV-2 total antibody level in the crowd.
Collapse
Affiliation(s)
- Yaofeng Zhou
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Yuan Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- Jiangxi YeLi Medical Device Co., Ltd, Nanchang 330096, PR China
| | - Wenjuan Liu
- Jiangxi Weibang Biological Technology Co. Ltd, Nanchang 330096, PR China
| | - Hao Fang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Xiangmin Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang 330047, PR China
| | - Li Hou
- Jiangxi YeLi Medical Device Co., Ltd, Nanchang 330096, PR China
| | - Yuanjie Liu
- College of Information and Electrical Engineering, China Agricultural University, Haidian, Beijing 100083, PR China
| | - Weihua Lai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Xiaolin Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
- Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang 330047, PR China
| |
Collapse
|
7
|
Śmietana M, Koba M, Sezemsky P, Szot-Karpińska K, Burnat D, Stranak V, Niedziółka-Jönsson J, Bogdanowicz R. Simultaneous optical and electrochemical label-free biosensing with ITO-coated lossy-mode resonance sensor. Biosens Bioelectron 2020; 154:112050. [DOI: 10.1016/j.bios.2020.112050] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/21/2020] [Accepted: 01/23/2020] [Indexed: 02/01/2023]
|
8
|
Song C, Ding W, Liu H, Zhao W, Yao Y, Yao C. Label-free colorimetric detection of deoxyribonuclease I activity based on the DNA-enhanced peroxidase-like activity of MIL-53(Fe). NEW J CHEM 2019. [DOI: 10.1039/c9nj03006a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this study, the effect of single-stranded DNA (ssDNA) on the intrinsic peroxidase-like activity of MIL-53(Fe) was investigated.
Collapse
Affiliation(s)
- Chan Song
- School of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Wei Ding
- School of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Haibo Liu
- School of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Weiwen Zhao
- School of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Yuewei Yao
- School of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Cheng Yao
- School of Chemistry and Molecular Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| |
Collapse
|
9
|
Chauhan N, Gupta S, Avasthi DK, Adelung R, Mishra YK, Jain U. Zinc Oxide Tetrapods Based Biohybrid Interface for Voltammetric Sensing of Helicobacter pylori. ACS APPLIED MATERIALS & INTERFACES 2018; 10:30631-30639. [PMID: 30130396 DOI: 10.1021/acsami.8b08901] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Helicobacter pylori is a Gram-negative, spiral shaped, microaerophilic bacteria that colonizes human gastric mucosa and causes various gastric diseases. In this work, the utilization of ion irradiated zinc oxide tetrapods (ZnO-T) based biohybrid interface accentuates the development of an electrochemical immunosensor for the fast and sensitive detection of H. pylori. After coating of (ZnO-T) over the surface of screen printed electrode (SP-AuE) through electrodeposition, the ZnO-T/SP-AuE was irradiated with N2+ ion of energy 100 keV. The ion irradiation significantly enhances the conductivity of ZnO-T coated SP-AuE. The revamped SP-AuE is further used for establishing an immunosensor interface based upon immobilization of the CagA antigen on ZnO-T electrodeposited over the surface of SP-AuE. The sensing interface demonstrated good linearity (0.2 ng/mL to 50 ng/mL) and limit of detection (0.2 ng/mL). The ion beam irradiated ZnO-T based immunosensor showed significantly high conductivity and enhanced the analytical properties of the working electrode in terms of the sensitivity, detection limit, and response time. A study on the comparison of irradiated and pristine electrode is performed for amperometric sensing of H. pylori. In addition, the significance of work conducted on ion irradiated ZnO-T based interfaces provides a basis of further development of electrochemical immunosensors.
Collapse
Affiliation(s)
- Nidhi Chauhan
- Amity Institute of Nanotechnology (AINT) , Amity University , Noida , 201303 Uttar Pradesh , India
| | - Shaivya Gupta
- Amity Institute of Nanotechnology (AINT) , Amity University , Noida , 201303 Uttar Pradesh , India
| | - Devesh K Avasthi
- Amity Institute of Nanotechnology (AINT) , Amity University , Noida , 201303 Uttar Pradesh , India
| | - Rainer Adelung
- Functional Nanomaterials, Institute for Materials Science , Kiel University , Kaiserstraße 2 , D-24143 Kiel , Germany
| | - Yogendra Kumar Mishra
- Functional Nanomaterials, Institute for Materials Science , Kiel University , Kaiserstraße 2 , D-24143 Kiel , Germany
| | - Utkarsh Jain
- Amity Institute of Nanotechnology (AINT) , Amity University , Noida , 201303 Uttar Pradesh , India
| |
Collapse
|
10
|
Ariffin EY, Lee YH, Futra D, Tan LL, Karim NHA, Ibrahim NNN, Ahmad A. An ultrasensitive hollow-silica-based biosensor for pathogenic Escherichia coli DNA detection. Anal Bioanal Chem 2018; 410:2363-2375. [PMID: 29504083 DOI: 10.1007/s00216-018-0893-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 12/31/2017] [Accepted: 01/16/2018] [Indexed: 10/17/2022]
Abstract
A novel electrochemical DNA biosensor for ultrasensitive and selective quantitation of Escherichia coli DNA based on aminated hollow silica spheres (HSiSs) has been successfully developed. The HSiSs were synthesized with facile sonication and heating techniques. The HSiSs have an inner and an outer surface for DNA immobilization sites after they have been functionalized with 3-aminopropyltriethoxysilane. From field emission scanning electron microscopy images, the presence of pores was confirmed in the functionalized HSiSs. Furthermore, Brunauer-Emmett-Teller (BET) analysis indicated that the HSiSs have four times more surface area than silica spheres that have no pores. These aminated HSiSs were deposited onto a screen-printed carbon paste electrode containing a layer of gold nanoparticles (AuNPs) to form a AuNP/HSiS hybrid sensor membrane matrix. Aminated DNA probes were grafted onto the AuNP/HSiS-modified screen-printed electrode via imine covalent bonds with use of glutaraldehyde cross-linker. The DNA hybridization reaction was studied by differential pulse voltammetry using an anthraquinone redox intercalator as the electroactive DNA hybridization label. The DNA biosensor demonstrated a linear response over a wide target sequence concentration range of 1.0×10-12-1.0×10-2 μM, with a low detection limit of 8.17×10-14 μM (R2 = 0.99). The improved performance of the DNA biosensor appeared to be due to the hollow structure and rough surface morphology of the hollow silica particles, which greatly increased the total binding surface area for high DNA loading capacity. The HSiSs also facilitated molecule diffusion through the silica hollow structure, and substantially improved the overall DNA hybridization assay. Graphical abstract Step-by-step DNA biosensor fabrication based on aminated hollow silica spheres.
Collapse
Affiliation(s)
- Eda Yuhana Ariffin
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM, 43600, Bangi, Selangor Darul Ehsan, Malaysia
| | - Yook Heng Lee
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM, 43600, Bangi, Selangor Darul Ehsan, Malaysia. .,Southeast Asia Disaster Prevention Research Initiative, Institute for Environment and Development, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor Darul Ehsan, Malaysia.
| | - Dedi Futra
- Department of Chemistry Education, Faculty of Education, Universitas Riau, Pekan Baru, Riau, 28131, Indonesia
| | - Ling Ling Tan
- Southeast Asia Disaster Prevention Research Initiative, Institute for Environment and Development, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor Darul Ehsan, Malaysia
| | - Nurul Huda Abd Karim
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM, 43600, Bangi, Selangor Darul Ehsan, Malaysia
| | - Nik Nuraznida Nik Ibrahim
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor Darul Ehsan, Malaysia
| | - Asmat Ahmad
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor Darul Ehsan, Malaysia
| |
Collapse
|
11
|
Yue W, Tang C, Wang C, Bai C, Liu S, Xie X, Hua H, Zhang Z, Li D. An electricity-fluorescence double-checking biosensor based on graphene for detection of binding kinetics of DNA hybridization. RSC Adv 2017. [DOI: 10.1039/c7ra08246k] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this paper, an electricity-fluorescence double-checking biosensor based on graphene materials has been presented for detection of DNA hybridization kinetics.
Collapse
Affiliation(s)
- Weiwei Yue
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Caiyan Tang
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Chunxing Wang
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Chengjie Bai
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Shuyi Liu
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Xiaohui Xie
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Hongling Hua
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Zhen Zhang
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| | - Dengwang Li
- Shandong Province Key Laboratory of Medical Physics and Image Processing Technology
- School of Physics and Electronics
- Shandong Normal University
- Jinan 250358
- P. R. China
| |
Collapse
|