1
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Potbhare AK, Aziz SKT, Ayyub MM, Kahate A, Madankar R, Wankar S, Dutta A, Abdala A, Mohmood SH, Adhikari R, Chaudhary RG. Bioinspired graphene-based metal oxide nanocomposites for photocatalytic and electrochemical performances: an updated review. NANOSCALE ADVANCES 2024; 6:2539-2568. [PMID: 38752147 PMCID: PMC11093270 DOI: 10.1039/d3na01071f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 04/04/2024] [Indexed: 05/18/2024]
Abstract
Considering the rapidly increasing population, the development of new resources, skills, and devices that can provide safe potable water and clean energy remains one of the vital research topics for the scientific community. Owing to this, scientific community discovered such material for tackle this issue of environment benign, the new materials with graphene functionalized derivatives show significant advantages for application in multifunctional catalysis and energy storage systems. Herein, we highlight the recent methods reported for the preparation of graphene-based materials by focusing on the following aspects: (i) transformation of graphite/graphite oxide into graphene/graphene oxide via exfoliation and reduction; (ii) bioinspired fabrication or modification of graphene with various metal oxides and its applications in photocatalysis and storage systems. The kinetics of photocatalysis and the effects of different parameters (such as photocatalyst dose and charge-carrier scavengers) for the optimization of the degradation efficiency of organic dyes, phenol compounds, antibiotics, and pharmaceutical drugs are discussed. Further, we present a brief introduction on different graphene-based metal oxides and a systematic survey of the recently published research literature on electrode materials for lithium-ion batteries (LIBs), supercapacitors, and fuel cells. Subsequently, the power density, stability, pseudocapacitance charge/discharge process, capacity and electrochemical reaction mechanisms of intercalation, and conversion- and alloying-type anode materials are summarized in detail. Furthermore, we thoroughly distinguish the intrinsic differences among underpotential deposition, intercalation, and conventional pseudocapacitance of electrode materials. This review offers a meaningful reference for the construction and fabrication of graphene-based metal oxides as effective photocatalysts for photodegradation study and high-performance optimization of anode materials for LIBs, supercapacitors, and fuel cells.
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Affiliation(s)
- Ajay K Potbhare
- Post Graduate Department of Chemistry, Seth Kesarimal Porwal College of Arts and Science and Commerce Kamptee-441001 India
| | - S K Tarik Aziz
- Chemistry Department, Indian Institute of Technology, Bombay Powai 400076 India
| | - Mohd Monis Ayyub
- New Chemistry Unit, International Centre for Materials Science and Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research Bangalore India
| | - Aniket Kahate
- Post Graduate Department of Chemistry, Seth Kesarimal Porwal College of Arts and Science and Commerce Kamptee-441001 India
| | - Rohit Madankar
- Post Graduate Department of Chemistry, Seth Kesarimal Porwal College of Arts and Science and Commerce Kamptee-441001 India
| | - Sneha Wankar
- Post Graduate Teaching Department of Chemistry, Gondwana University Gadchiroli 442605 India
| | - Arnab Dutta
- Chemistry Department, Indian Institute of Technology, Bombay Powai 400076 India
| | - Ahmed Abdala
- Chemical Engineering Program, Texas A&M University at Qatar POB 23784 Doha Qatar
| | - Sami H Mohmood
- Department of Physics, The University of Jordan Amman 11942 Jordan
| | - Rameshwar Adhikari
- Central Department of Chemistry and Research Centre for Applied Science and Technology (RECAST), Tribhuvan University Kathmandu Nepal
| | - Ratiram G Chaudhary
- Post Graduate Department of Chemistry, Seth Kesarimal Porwal College of Arts and Science and Commerce Kamptee-441001 India
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2
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Rafique Q, Rehman A, Afghan MS, Ahmad HM, Zafar I, Fayyaz K, Ain Q, Rayan RA, Al-Aidarous KM, Rashid S, Mushtaq G, Sharma R. Reviewing methods of deep learning for diagnosing COVID-19, its variants and synergistic medicine combinations. Comput Biol Med 2023; 163:107191. [PMID: 37354819 PMCID: PMC10281043 DOI: 10.1016/j.compbiomed.2023.107191] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/28/2023] [Accepted: 06/19/2023] [Indexed: 06/26/2023]
Abstract
The COVID-19 pandemic has necessitated the development of reliable diagnostic methods for accurately detecting the novel coronavirus and its variants. Deep learning (DL) techniques have shown promising potential as screening tools for COVID-19 detection. In this study, we explore the realistic development of DL-driven COVID-19 detection methods and focus on the fully automatic framework using available resources, which can effectively investigate various coronavirus variants through modalities. We conducted an exploration and comparison of several diagnostic techniques that are widely used and globally validated for the detection of COVID-19. Furthermore, we explore review-based studies that provide detailed information on synergistic medicine combinations for the treatment of COVID-19. We recommend DL methods that effectively reduce time, cost, and complexity, providing valuable guidance for utilizing available synergistic combinations in clinical and research settings. This study also highlights the implication of innovative diagnostic technical and instrumental strategies, exploring public datasets, and investigating synergistic medicines using optimised DL rules. By summarizing these findings, we aim to assist future researchers in their endeavours by providing a comprehensive overview of the implication of DL techniques in COVID-19 detection and treatment. Integrating DL methods with various diagnostic approaches holds great promise in improving the accuracy and efficiency of COVID-19 diagnostics, thus contributing to effective control and management of the ongoing pandemic.
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Affiliation(s)
- Qandeel Rafique
- Department of Internal Medicine, Sahiwal Medical College, Sahiwal, 57040, Pakistan.
| | - Ali Rehman
- Department of General Medicine Govt. Eye and General Hospital Lahore, 54000, Pakistan.
| | - Muhammad Sher Afghan
- Department of Internal Medicine District Headquarter Hospital Faislaabad, 62300, Pakistan.
| | - Hafiz Muhamad Ahmad
- Department of Internal Medicine District Headquarter Hospital Bahawalnagar, 62300, Pakistan.
| | - Imran Zafar
- Department of Bioinformatics and Computational Biology, Virtual University Pakistan, 44000, Pakistan.
| | - Kompal Fayyaz
- Department of National Centre for Bioinformatics, Quaid-I-Azam University Islamabad, 45320, Pakistan.
| | - Quratul Ain
- Department of Chemistry, Government College Women University Faisalabad, 03822, Pakistan.
| | - Rehab A Rayan
- Department of Epidemiology, High Institute of Public Health, Alexandria University, 21526, Egypt.
| | - Khadija Mohammed Al-Aidarous
- Department of Computer Science, College of Science and Arts in Sharurah, Najran University, 51730, Saudi Arabia.
| | - Summya Rashid
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj, 11942, Saudi Arabia.
| | - Gohar Mushtaq
- Center for Scientific Research, Faculty of Medicine, Idlib University, Idlib, Syria.
| | - Rohit Sharma
- Department of Rasashastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India.
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3
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Ding Y, Li C, Tian M, Wang J, Wang Z, Lin X, Liu G, Cui W, Qi X, Li S, Yue W, Xu S. Overcoming Debye length limitations: Three-dimensional wrinkled graphene field-effect transistor for ultra-sensitive adenosine triphosphate detection. FRONTIERS OF PHYSICS 2023; 18:53301. [PMID: 37251534 PMCID: PMC10205565 DOI: 10.1007/s11467-023-1281-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 03/11/2023] [Indexed: 05/31/2023]
Abstract
Adenosine triphosphate (ATP) is closely related to the pathogenesis of certain diseases, so the detection of trace ATP is of great significance to disease diagnosis and drug development. Graphene field-effect transistors (GFETs) have been proven to be a promising platform for the rapid and accurate detection of small molecules, while the Debye shielding limits the sensitive detection in real samples. Here, a three-dimensional wrinkled graphene field-effect transistor (3D WG-FET) biosensor for ultra-sensitive detection of ATP is demonstrated. The lowest detection limit of 3D WG-FET for analyzing ATP is down to 3.01 aM, which is much lower than the reported results. In addition, the 3D WG-FET biosensor shows a good linear electrical response to ATP concentrations in a broad range of detection from 10 aM to 10 pM. Meanwhile, we achieved ultra-sensitive (LOD: 10 aM) and quantitative (range from 10 aM to 100 fM) measurements of ATP in human serum. The 3D WG-FET also exhibits high specificity. This work may provide a novel approach to improve the sensitivity for the detection of ATP in complex biological matrix, showing a broad application value for early clinical diagnosis and food health monitoring. Electronic supplementary materials The online version contains supplementary material available at 10.1007/s11467-023-1281-7 and https://journal.hep.com.cn/fop/EN/10.1007/s11467-023-1281-7.
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Affiliation(s)
- Yue Ding
- School of Physics and Electronics, Shandong Normal University, Jinan, 250014 China
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Chonghui Li
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
- Shandong Engineering Laboratory of Swine Herd Health Big Data and Intelligent Monitoring, Dezhou University, Dezhou, 253023 China
| | - Meng Tian
- School of Physics and Electronics, Shandong Normal University, Jinan, 250014 China
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Jihua Wang
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
- Shandong Engineering Laboratory of Swine Herd Health Big Data and Intelligent Monitoring, Dezhou University, Dezhou, 253023 China
| | - Zhenxing Wang
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Xiaohui Lin
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
- Shandong Engineering Laboratory of Swine Herd Health Big Data and Intelligent Monitoring, Dezhou University, Dezhou, 253023 China
| | - Guofeng Liu
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Wanling Cui
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
- Shandong Engineering Laboratory of Swine Herd Health Big Data and Intelligent Monitoring, Dezhou University, Dezhou, 253023 China
| | - Xuefan Qi
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Siyu Li
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Weiwei Yue
- School of Physics and Electronics, Shandong Normal University, Jinan, 250014 China
| | - Shicai Xu
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023 China
- Shandong Engineering Laboratory of Swine Herd Health Big Data and Intelligent Monitoring, Dezhou University, Dezhou, 253023 China
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4
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Kaur M, Gaba J, Singh K, Bhatia Y, Singh A, Singh N. Recent Advances in Recognition Receptors for Electrochemical Biosensing of Mycotoxins-A Review. BIOSENSORS 2023; 13:391. [PMID: 36979603 PMCID: PMC10046307 DOI: 10.3390/bios13030391] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/06/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Mycotoxins are naturally occurring toxic secondary metabolites produced by fungi in cereals and foodstuffs during the stages of cultivation and storage. Electrochemical biosensing has emerged as a rapid, efficient, and economical approach for the detection and quantification of mycotoxins in different sample media. An electrochemical biosensor consists of two main units, a recognition receptor and a signal transducer. Natural or artificial antibodies, aptamers, molecularly imprinted polymers (MIP), peptides, and DNAzymes have been extensively employed as selective recognition receptors for the electrochemical biosensing of mycotoxins. This article affords a detailed discussion of the recent advances and future prospects of various types of recognition receptors exploited in the electrochemical biosensing of mycotoxins.
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Affiliation(s)
- Manpreet Kaur
- Department of Chemistry, Punjab Agricultural University, Ludhiana 141004, India
| | - Jyoti Gaba
- Department of Chemistry, Punjab Agricultural University, Ludhiana 141004, India
| | - Komal Singh
- Department of Chemistry, Punjab Agricultural University, Ludhiana 141004, India
| | - Yashika Bhatia
- Department of Chemistry, Punjab Agricultural University, Ludhiana 141004, India
| | - Anoop Singh
- Department of Chemistry, Indian Institute of Technology, Ropar 140001, India
| | - Narinder Singh
- Department of Chemistry, Indian Institute of Technology, Ropar 140001, India
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5
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Hua Y, Ma J, Li D, Wang R. DNA-Based Biosensors for the Biochemical Analysis: A Review. BIOSENSORS 2022; 12:bios12030183. [PMID: 35323453 PMCID: PMC8945906 DOI: 10.3390/bios12030183] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/09/2022] [Accepted: 03/16/2022] [Indexed: 05/21/2023]
Abstract
In recent years, DNA-based biosensors have shown great potential as the candidate of the next generation biomedical detection device due to their robust chemical properties and customizable biosensing functions. Compared with the conventional biosensors, the DNA-based biosensors have advantages such as wider detection targets, more durable lifetime, and lower production cost. Additionally, the ingenious DNA structures can control the signal conduction near the biosensor surface, which could significantly improve the performance of biosensors. In order to show a big picture of the DNA biosensor's advantages, this article reviews the background knowledge and recent advances of DNA-based biosensors, including the functional DNA strands-based biosensors, DNA hybridization-based biosensors, and DNA templated biosensors. Then, the challenges and future directions of DNA-based biosensors are discussed and proposed.
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6
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Wang L, Wang X, Wu Y, Guo M, Gu C, Dai C, Kong D, Wang Y, Zhang C, Qu D, Fan C, Xie Y, Zhu Z, Liu Y, Wei D. Rapid and ultrasensitive electromechanical detection of ions, biomolecules and SARS-CoV-2 RNA in unamplified samples. Nat Biomed Eng 2022. [PMID: 35132229 DOI: 10.1038/s41551-41021-00833-41557] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The detection of samples at ultralow concentrations (one to ten copies in 100 μl) in biofluids is hampered by the orders-of-magnitude higher amounts of 'background' biomolecules. Here we report a molecular system, immobilized on a liquid-gated graphene field-effect transistor and consisting of an aptamer probe bound to a flexible single-stranded DNA cantilever linked to a self-assembled stiff tetrahedral double-stranded DNA structure, for the rapid and ultrasensitive electromechanical detection (down to one to two copies in 100 μl) of unamplified nucleic acids in biofluids, and also of ions, small molecules and proteins, as we show for Hg2+, adenosine 5'-triphosphate and thrombin. We implemented an electromechanical biosensor for the detection of SARS-CoV-2 into an integrated and portable prototype device, and show that it detected SARS-CoV-2 RNA in less than four minutes in all nasopharyngeal samples from 33 patients with COVID-19 (with cycle threshold values of 24.9-41.3) and in none of the 54 COVID-19-negative controls, without the need for RNA extraction or nucleic acid amplification.
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Affiliation(s)
- Liqian Wang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Department of Macromolecular Science, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Xuejun Wang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Department of Macromolecular Science, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Yungen Wu
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Department of Macromolecular Science, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Mingquan Guo
- Department of Laboratory Medicine, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Chenjian Gu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Changhao Dai
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Department of Macromolecular Science, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Derong Kong
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Department of Macromolecular Science, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Yao Wang
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Cong Zhang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Department of Macromolecular Science, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Di Qu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Chunhai Fan
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Youhua Xie
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhaoqin Zhu
- Department of Laboratory Medicine, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.
| | - Yunqi Liu
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
- Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
| | - Dacheng Wei
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China.
- Department of Macromolecular Science, Fudan University, Shanghai, China.
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China.
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7
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Wang L, Wang X, Wu Y, Guo M, Gu C, Dai C, Kong D, Wang Y, Zhang C, Qu D, Fan C, Xie Y, Zhu Z, Liu Y, Wei D. Rapid and ultrasensitive electromechanical detection of ions, biomolecules and SARS-CoV-2 RNA in unamplified samples. Nat Biomed Eng 2022; 6:276-285. [DOI: 10.1038/s41551-021-00833-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 11/17/2021] [Indexed: 12/21/2022]
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8
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Liu LS, Wang F, Ge Y, Lo PK. Recent Developments in Aptasensors for Diagnostic Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:9329-9358. [PMID: 33155468 DOI: 10.1021/acsami.0c14788] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Aptamers are exciting smart molecular probes for specific recognition of disease biomarkers. A number of strategies have been developed to convert target-aptamer binding into physically detectable signals. Since the aptamer sequence was first discovered, a large variety of aptamer-based biosensors have been developed, with considerable attention paid to their potential applications in clinical diagnostics. So far, a variety of techniques in combination with a wide range of functional nanomaterials have been used for the design of aptasensors to further improve the sensitivity and detection limit of target determination. In this paper, the advantages of aptamers over traditional antibodies as the molecular recognition components in biosensors for high-throughput screening target molecules are highlighted. Aptamer-target pairing configurations are predominantly single- or dual-site binding; the design of recognition modes of each aptamer-target pairing configuration is described. Furthermore, signal transduction strategies including optical, electrical, mechanical, and mass-sensitive modes are clearly explained together with examples. Finally, we summarize the recent progress in the development of aptamer-based biosensors for clinical diagnosis, including detection of cancer and disease biomarkers and in vivo molecular imaging. We then conclude with a discussion on the advanced development and challenges of aptasensors.
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Affiliation(s)
- Ling Sum Liu
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China
| | - Fei Wang
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China
| | - Yonghe Ge
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China
| | - Pik Kwan Lo
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China
- Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen 518057, China
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9
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Lopez A, Liu J. Nanomaterial and Aptamer-Based Sensing: Target Binding versus Target Adsorption Illustrated by the Detection of Adenosine and ATP on Metal Oxides and Graphene Oxide. Anal Chem 2021; 93:3018-3025. [PMID: 33513006 DOI: 10.1021/acs.analchem.0c05062] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Target molecule-induced desorption of aptamer probes from nanomaterials has been a very popular sensing method, taking advantage of the fluorescence quenching or catalytic activity of nanomaterials for signal generation. While it is generally conceived that aptamers desorb due to binding to target molecules, in this work, we examined the effect of competitive target adsorption. From five metal oxide nanoparticles including CeO2, ZnO, NiO, Fe3O4, and TiO2, only ATP was able to induce desorption of its aptamer. Adenosine could not, even though it had an even higher affinity than ATP to the aptamer. The same conclusion was also observed with a random DNA that cannot bind ATP, indicating that the desorption of DNA was due to competitive adsorption of ATP instead of aptamer binding. On graphene oxide, however, adenosine produced slightly more aptamer desorption than ATP under most of the conditions, and this can be partially attributed to the weaker interaction of negatively charged ATP with negatively charged graphene oxide. For such surface-based biosensors, it is recommended that a nonaptamer control DNA be tested side-by-side to ensure the sensing mechanism to be related to aptamer binding instead of target adsorption.
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Affiliation(s)
- Anand Lopez
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
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10
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Noyce SG, Doherty JL, Zauscher S, Franklin AD. Understanding and Mapping Sensitivity in MoS 2 Field-Effect-Transistor-Based Sensors. ACS NANO 2020; 14:11637-11647. [PMID: 32790325 PMCID: PMC7895328 DOI: 10.1021/acsnano.0c04192] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Sensors based on two-dimensional (2D) field-effect transistors (FETs) are extremely sensitive and can detect charged analytes with attomolar limits of detection (LOD). Despite some impressive LODs, the operating mechanisms and factors that determine the signal-to-noise ratio in 2D FET-based sensors remain poorly understood. These uncertainties, coupled with an expansive design space for sensor layout and analyte positioning, result in a field with many reported highlights but limited collective progress. Here, we provide insight into sensing mechanisms of 2D molybdenum disulfide (MoS2) FETs by realizing precise control over the position and charge of an analyte using a customized atomic force microscope (AFM), with the AFM tip acting as an analyte. The sensitivity of the MoS2 FET channel is revealed to be nonuniform, manifesting sensitive hotspots with locations that are stable over time. When the charge of the analyte is varied, an asymmetry is observed in the device drain-current response, with analytes acting to turn the device off leading to a 2.5× increase in the signal-to-noise ratio (SNR). We developed a numerical model, applicable to all FET-based charge-detection sensors, that confirms our experimental observation and suggests an underlying mechanism. Further, extensive characterization of a set of different MoS2 FETs under various analyte conditions, coupled with the numerical model, led to the identification of three distinct SNRs that peak with dependence on the layout and operating conditions used for a sensor. These findings reveal the important role of analyte position and coverage in determining the optimal operating bias conditions for maximal sensitivity in 2D FET-based sensors, which provides key insights for future sensor design and control.
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Affiliation(s)
- Steven G. Noyce
- Duke University, Department of Electrical & Computer Engineering, Durham, North Carolina 27708, USA
| | - James L. Doherty
- Duke University, Department of Electrical & Computer Engineering, Durham, North Carolina 27708, USA
| | - Stefan Zauscher
- Duke University, Department of Mechanical Engineering and Materials Science, Durham, North Carolina, 27708, USA
| | - Aaron D. Franklin
- Duke University, Department of Electrical & Computer Engineering, Durham, North Carolina 27708, USA
- Duke University, Department of Chemistry, Durham, North Carolina 27708, USA
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11
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A study on the response of FRET based DNA aptasensors in intracellular environment. Sci Rep 2020; 10:13250. [PMID: 32764678 PMCID: PMC7413375 DOI: 10.1038/s41598-020-70261-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 07/20/2020] [Indexed: 11/15/2022] Open
Abstract
This paper presents a study of the response of FRET based DNA aptasensors in the intracellular environment. Herein, we extend previous studies of aptasensors functioning in the extracellular environment to detection of antigens in the intracellular environment. An essential step in this research is the use of a novel means of achieving the endocytosis of aptasensors. Specifically, it is demonstrated that functioning aptasensors are successfully endocytosed by functionalizing the aptasensors with endocytosis—inducing DSS peptides.
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12
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Zhang X, Jing Q, Ao S, Schneider GF, Kireev D, Zhang Z, Fu W. Ultrasensitive Field-Effect Biosensors Enabled by the Unique Electronic Properties of Graphene. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1902820. [PMID: 31592577 DOI: 10.1002/smll.201902820] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/08/2019] [Indexed: 05/20/2023]
Abstract
This review provides a critical overview of current developments on nanoelectronic biochemical sensors based on graphene. Composed of a single layer of conjugated carbon atoms, graphene has outstanding high carrier mobility and low intrinsic electrical noise, but a chemically inert surface. Surface functionalization is therefore crucial to unravel graphene sensitivity and selectivity for the detection of targeted analytes. To achieve optimal performance of graphene transistors for biochemical sensing, the tuning of the graphene surface properties via surface functionalization and passivation is highlighted, as well as the tuning of its electrical operation by utilizing multifrequency ambipolar configuration and a high frequency measurement scheme to overcome the Debye screening to achieve low noise and highly sensitive detection. Potential applications and prospectives of ultrasensitive graphene electronic biochemical sensors ranging from environmental monitoring and food safety, healthcare and medical diagnosis, to life science research, are presented as well.
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Affiliation(s)
- Xiaoyan Zhang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333CC, Leiden, The Netherlands
| | - Qiushi Jing
- School of Materials Science and Engineering, Tsinghua University, Shaw Technical Science Building, Haidian District, Beijing, 100084, P. R. China
| | - Shen Ao
- School of Materials Science and Engineering, Tsinghua University, Shaw Technical Science Building, Haidian District, Beijing, 100084, P. R. China
| | - Grégory F Schneider
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333CC, Leiden, The Netherlands
| | - Dmitry Kireev
- Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX, 78757, USA
| | - Zhengjun Zhang
- School of Materials Science and Engineering, Tsinghua University, Shaw Technical Science Building, Haidian District, Beijing, 100084, P. R. China
| | - Wangyang Fu
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
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Predicting Future Prospects of Aptamers in Field-Effect Transistor Biosensors. Molecules 2020; 25:molecules25030680. [PMID: 32033448 PMCID: PMC7036789 DOI: 10.3390/molecules25030680] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 01/26/2020] [Accepted: 01/29/2020] [Indexed: 02/07/2023] Open
Abstract
Aptamers, in sensing technology, are famous for their role as receptors in versatile applications due to their high specificity and selectivity to a wide range of targets including proteins, small molecules, oligonucleotides, metal ions, viruses, and cells. The outburst of field-effect transistors provides a label-free detection and ultra-sensitive technique with significantly improved results in terms of detection of substances. However, their combination in this field is challenged by several factors. Recent advances in the discovery of aptamers and studies of Field-Effect Transistor (FET) aptasensors overcome these limitations and potentially expand the dominance of aptamers in the biosensor market.
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14
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Lee CW, Suh JM, Jang HW. Chemical Sensors Based on Two-Dimensional (2D) Materials for Selective Detection of Ions and Molecules in Liquid. Front Chem 2019; 7:708. [PMID: 31803712 PMCID: PMC6873591 DOI: 10.3389/fchem.2019.00708] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Accepted: 10/09/2019] [Indexed: 01/27/2023] Open
Abstract
Up until now, two-dimensional (2D) materials have been researched vigorously for application to sensing ions and molecules in liquid due to their unique structural, chemical, and electronic properties. Features of 2D materials such as high surface area-to-volume ratios and various reaction sites are ideal characteristics for fabricating state-of-the-art high-performed chemical sensors. This review particularly focuses on the detection of pH, metal ions, and biomolecules in liquid media. The final goal of the ion/molecule sensors is a development of the electronic tongue or taste sensors that can be used in medical, food, biotechnology, and health applications. Herein, we introduce recent advances in the field of ion/molecule sensors in liquid media based on 2D materials, especially concentrating in graphene and MoS2, and will emphasize the opportunities and challenges of these unique sensing materials and devices.
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Affiliation(s)
- Chung Won Lee
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, South Korea
| | - Jun Min Suh
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, South Korea
| | - Ho Won Jang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, South Korea
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15
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Nekrasov N, Kireev D, Emelianov A, Bobrinetskiy I. Graphene-Based Sensing Platform for On-Chip Ochratoxin A Detection. Toxins (Basel) 2019; 11:E550. [PMID: 31547037 PMCID: PMC6832591 DOI: 10.3390/toxins11100550] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 09/12/2019] [Accepted: 09/18/2019] [Indexed: 12/21/2022] Open
Abstract
In this work, we report an on-chip aptasensor for ochratoxin A (OTA) toxin detection that is based on a graphene field-effect transistor (GFET). Graphene-based devices are fabricated via large-scale technology, allowing for upscaling the sensor fabrication and lowering the device cost. The sensor assembly was performed through covalent bonding of graphene's surface with an aptamer specifically sensitive towards OTA. The results demonstrate fast (within 5 min) response to OTA exposure with a linear range of detection between 4 ng/mL and 10 pg/mL, with a detection limit of 4 pg/mL. The regeneration time constant of the sensor was found to be rather small, only 5.6 s, meaning fast sensor regeneration for multiple usages. The high reproducibility of the sensing response was demonstrated via using several recycling procedures as well as various GFETs. The applicability of the aptasensor to real samples was demonstrated for spiked red wine samples with recovery of about 105% for a 100 pM OTA concentration; the selectivity of the sensor was also confirmed via addition of another toxin, zearalenone. The developed platform opens the way for multiplex sensing of different toxins using an on-chip array of graphene sensors.
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Affiliation(s)
- Nikita Nekrasov
- National Research University of Electronic Technology, Zelenograd, 124498 Moscow, Russia; (N.N.); (A.E.)
| | - Dmitry Kireev
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX 78712, USA;
| | - Aleksei Emelianov
- National Research University of Electronic Technology, Zelenograd, 124498 Moscow, Russia; (N.N.); (A.E.)
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Ivan Bobrinetskiy
- BioSense Institute—Research and Development Institute for Information Technologies in Biosystems, University of Novi Sad, 21000 Novi Sad, Serbia
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16
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Xu L, Wen Y, Pandit S, Mokkapati VRSS, Mijakovic I, Li Y, Ding M, Ren S, Li W, Liu G. Graphene-based biosensors for the detection of prostate cancer protein biomarkers: a review. BMC Chem 2019; 13:112. [PMID: 31508598 PMCID: PMC6720397 DOI: 10.1186/s13065-019-0611-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 07/15/2019] [Indexed: 02/07/2023] Open
Abstract
Prostate cancer (PC) is the sixth most common cancer type in the world, which causes approximately 10% of total cancer fatalities. The detection of protein biomarkers in body fluids is the key topic for the diagnosis and prognosis of PC. Highly sensitive screening of PC is the most effective approach for reducing mortality. Thus, there are a growing number of literature that recognizes the importance of new technologies for early diagnosis of PC. Graphene is playing an important role in the biosensor field with remarkable physical, optical, electrochemical and magnetic properties. Many recent studies demonstrated the potential of graphene materials for sensitive detection of protein biomarkers. In this review, the graphene-based biosensors toward PC analysis are mainly discussed in two groups: Firstly, novel biosensor interfaces were constructed through the modification of graphene materials onto sensor surfaces. Secondly, ingenious signal amplification strategies were developed using graphene materials as catalysts or carriers. Graphene-based biosensors have exhibited remarkable performance with high sensitivities, wide detection ranges, and long-term stabilities.
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Affiliation(s)
- Li Xu
- 1Laboratory of Biometrory, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203 People's Republic of China.,2Division of Systems and Synthetic Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41126 Gothenburg, Sweden
| | - Yanli Wen
- 1Laboratory of Biometrory, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203 People's Republic of China
| | - Santosh Pandit
- 2Division of Systems and Synthetic Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41126 Gothenburg, Sweden
| | - Venkata R S S Mokkapati
- 2Division of Systems and Synthetic Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41126 Gothenburg, Sweden
| | - Ivan Mijakovic
- 2Division of Systems and Synthetic Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41126 Gothenburg, Sweden.,3The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2800 Lyngby, Denmark
| | - Yan Li
- 1Laboratory of Biometrory, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203 People's Republic of China
| | - Min Ding
- 1Laboratory of Biometrory, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203 People's Republic of China
| | - Shuzhen Ren
- 1Laboratory of Biometrory, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203 People's Republic of China
| | - Wen Li
- 1Laboratory of Biometrory, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203 People's Republic of China
| | - Gang Liu
- 1Laboratory of Biometrory, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203 People's Republic of China
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17
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Lawal AT. Graphene-based nano composites and their applications. A review. Biosens Bioelectron 2019; 141:111384. [PMID: 31195196 DOI: 10.1016/j.bios.2019.111384] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 05/27/2019] [Accepted: 05/29/2019] [Indexed: 12/13/2022]
Abstract
The purpose of the current review article is to present a comprehensive understanding regarding pros and cons of graphene related nanocomposites and to find ways in order to improve the performance of nanocomposites with new designs. Nanomaterials including GR are employed in industrial applications such as supercapacitors, biosensors, solar cells, and corrosion studies. The present article has been prepared in three main categories. In the first part, graphene types have been presented, as pristine graphene, graphene oxide and reduced graphene oxide. In the second part, nanocomposites with many graphene, inorganic and polymeric materials such as polymer/GR, activated carbon/GR, metal oxide/GR, metal/graphene and carbon fibre/GR have been investigated in more detail. In the third part, the focus in on the industrial applications of GR nanocomposite, including super capacitors, biosensors, solar cells, and corrosion protection studies.
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18
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Taniselass S, Arshad MM, Gopinath SC. Graphene-based electrochemical biosensors for monitoring noncommunicable disease biomarkers. Biosens Bioelectron 2019; 130:276-292. [DOI: 10.1016/j.bios.2019.01.047] [Citation(s) in RCA: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 01/16/2019] [Accepted: 01/18/2019] [Indexed: 02/07/2023]
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19
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Hanif A, Farooq R, Rehman MU, Khan R, Majid S, Ganaie MA. Aptamer based nanobiosensors: Promising healthcare devices. Saudi Pharm J 2018; 27:312-319. [PMID: 30976173 PMCID: PMC6438676 DOI: 10.1016/j.jsps.2018.11.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 11/22/2018] [Indexed: 12/20/2022] Open
Abstract
Nanobiosensors based on aptamer are extensively being studied as potent analytical tools in clinical analysis. These biosensors provide high sensitivity, fast response, specificity and desired portability in addition to simplicity and decreased cost compared to conventional methods. The purpose of this manuscript is to provide readers with an overview of current advances about electrochemical, electrochemiluminescent and photoelectrochemical aptasensors from the sea of available literature. These are mainly used for determination of protein-based biomarkers, especially for cancer diagnosis. Here in we have given special emphasis on nanosize-based aptasensors which have been reported to show considerable improvement in the analytical performance.
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Affiliation(s)
- Aamir Hanif
- City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong Special Administrative Region
| | - Rabia Farooq
- Department of Biochemistry, Govt Medical College (GMC) Srinagar, J&K 190010, India
- Corresponding author at: Department of Biochemistry, Govt Medical College Srinagar, India.
| | - Muneeb U. Rehman
- Department of Biochemistry, Govt Medical College (GMC) Srinagar, J&K 190010, India
| | - Rehan Khan
- Nanotherapeutics, Institute of Nanoscience & Technology (DST-INST), Habitat Centre Phase 10, Mohali, Punjab, India
| | - Sabhiya Majid
- Department of Biochemistry, Govt Medical College (GMC) Srinagar, J&K 190010, India
| | - Majid Ahmad Ganaie
- Department of Pharmacology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
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20
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Andrianova M, Komarova N, Grudtsov V, Kuznetsov E, Kuznetsov A. Amplified Detection of the Aptamer-Vanillin Complex with the Use of Bsm DNA Polymerase. SENSORS (BASEL, SWITZERLAND) 2017; 18:E49. [PMID: 29278396 PMCID: PMC5795474 DOI: 10.3390/s18010049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 12/19/2017] [Accepted: 12/20/2017] [Indexed: 12/01/2022]
Abstract
The electrochemical detection of interactions between aptamers and low-molecular-weight targets often lacks sensitivity. Signal amplification improves the detection of the aptamer-analyte complex; Bsm DNA polymerase was used to amplify the signal from the interaction of vanillin and its aptamer named Van_74 on an ion-sensitive field-effect transistor (ISFET)-based biosensor. The aptamer was immobilized on the ISFET sensitive surface. A short DNA probe was hybridized with the aptamer and dissociated from it upon vanillin addition. A free probe interacted with a special DNA molecular beacon initiated the Bsm DNA polymerase reaction that was detected by ISFET. A buffer solution suitable for both aptamer action and Bsm DNA polymerase activity was determined. The ISFET was shown to detect the Bsm DNA polymerase reaction under the selected conditions. Vanillin at different concentrations (1 × 10-6-1 × 10-8 M) was detected using the biosensor with signal amplification. The developed detection system allowed for the determination of vanillin, starting at a 10-8 M concentration. Application of the Bsm DNA polymerase resulted in a 15.5 times lower LoD when compared to the biosensor without signal amplification (10.1007/s00604-017-2586-4).
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Affiliation(s)
- Mariia Andrianova
- Scientific-Manufacturing Complex Technological Centre, 1-7 Shokin Square, Zelenograd, 124498 Moscow, Russia.
| | - Natalia Komarova
- Scientific-Manufacturing Complex Technological Centre, 1-7 Shokin Square, Zelenograd, 124498 Moscow, Russia.
| | - Vitaliy Grudtsov
- Scientific-Manufacturing Complex Technological Centre, 1-7 Shokin Square, Zelenograd, 124498 Moscow, Russia.
| | - Evgeniy Kuznetsov
- Scientific-Manufacturing Complex Technological Centre, 1-7 Shokin Square, Zelenograd, 124498 Moscow, Russia.
| | - Alexander Kuznetsov
- Scientific-Manufacturing Complex Technological Centre, 1-7 Shokin Square, Zelenograd, 124498 Moscow, Russia.
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21
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Ghosh S, Datta D, Cheema M, Dutta M, Stroscio MA. Aptasensor based optical detection of glycated albumin for diabetes mellitus diagnosis. NANOTECHNOLOGY 2017; 28:435505. [PMID: 28853715 DOI: 10.1088/1361-6528/aa893a] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Glycated albumin (GA) has been reported as an important biomarker for diabetes mellitus. This study investigates an optical sensor comprised of deoxyribonucleic acid (DNA) aptamer, semiconductor quantum dot and gold (Au) nanoparticle for the detection of GA. The system functions as a 'turn on' sensor because an increase in photoluminescence intensity is observed upon the addition of GA to the sensor. This is possibly because of the structure of the DNA aptamer, which folds to form a large hairpin loop before the addition of the analyte and is assumed to open up after the addition of target to the sensor in order to bind to GA. This pushes the quantum dot and the Au nanoparticle away causing an increase in photoluminescence. A linear increase in photoluminescence intensity and quenching efficiency of the sensor is observed as the GA concentration is varied between 0-14 500 nM. Time based photoluminescence studies with the sensor show the decrease in binding rate of the aptamer to the target within a specific time period. The sensor was found to have a higher selectivity towards GA than other control proteins. Further investigation of this simple sensor with greater number of clinical samples can open up avenues for an efficient diagnosis and monitoring of diabetes mellitus when used in conjunction with the traditional method of glucose level monitoring.
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Affiliation(s)
- Shreya Ghosh
- Department of Bioengineering, University of Illinois at Chicago, 851 South Morgan Street (SEO 218), Chicago, IL 60607, United States of America
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22
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Darbandi A, Datta D, Patel K, Lin G, Stroscio MA, Dutta M. Molecular beacon anchored onto a graphene oxide substrate. NANOTECHNOLOGY 2017; 28:375501. [PMID: 28696331 DOI: 10.1088/1361-6528/aa7e50] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this article, we report a graphene oxide-based nanosensor incorporating semiconductor quantum dots linked to DNA-aptamers that functions as a 'turn-off' fluorescent nanosensor for detection of low concentrations of analytes. A specific demonstration of this turn-off aptasensor is presented for the case of the detection of mercury (II) ions. In this system, ensembles of aptamer-based quantum-dot sensors are anchored onto graphene oxide (GO) flakes which provide a platform for analyte detection in the vicinity of GO. Herein, the operation of this ensemble-based nanosensor is demonstrated for mercury ions, which upon addition of mercury, quenching of the emission intensity from the quantum dots is observed due to resonance energy transfer between quantum dots and the gold nanoparticle connected via a mercury target aptamer. A key result is that the usually dominant effect of quenching of the quantum dot due to close proximity to the GO can be reduced to negligible levels by using a linker molecule in conjunctions with the aptamer-based nanosensor. The effect of ionic concentration of the background matrix on the emission intensity was also investigated. The sensor system is found to be highly selective towards mercury and exhibits a linear behavior (r 2 > 0.99) in the nanomolar concentration range. The detection limit of the sensor towards mercury with no GO present was found to be 16.5 nM. With GO attached to molecular beacon via 14 base, 35 base, and 51 base long linker DNA, the detection limit was found to be 38.4 nM, 9.45 nM, and 11.38 nM; respectively.
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Affiliation(s)
- Arash Darbandi
- University of Illinois at Chicago, Department of Bioengineering, United States of America
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23
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Datta D, Sarkar K, Mukherjee S, Meshik X, Stroscio MA, Dutta M. Graphene oxide and DNA aptamer based sub-nanomolar potassium detecting optical nanosensor. NANOTECHNOLOGY 2017; 28:325502. [PMID: 28718456 DOI: 10.1088/1361-6528/aa79e0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Quantum-dot (QD) based nanosensors are frequently used by researchers to detect small molecules, ions and different biomolecules. In this article, we present a sensor complex/system comprised of deoxyribonucleic acid (DNA) aptamer, gold nanoparticle and semiconductor QD, attached to a graphene oxide (GO) flake for detection of potassium. As reported herein, it is demonstrated that QD-aptamer-quencher nanosensor functions even when tethered to GO, opening the way to future applications where sensing can be accomplished simultaneously with other previously demonstrated applications of GO such as serving as a nanocarrier for drug delivery. Herein, it is demonstrated that the DNA based thrombin binding aptamer used in this study undergoes the conformational change needed for sensing even when the nanosensor complex is anchored to the GO. Analysis with the Hill equation indicates the interaction between aptamer and potassium follows sigmoidal Hill kinetics. It is found that the quenching efficiency of the optical sensor is linear with the logarithm of concentration from 1 pM to 100 nM and decreases for higher concentration due to unavailability of aptamer binding sites. Such a simple and sensitive optical aptasensor with minimum detection capability of 1.96 pM for potassium ion can also be employed in-vitro detection of different physiological ions, pathogens and disease detection methods.
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Affiliation(s)
- Debopam Datta
- Department of Electrical and Computer Engineering, University of Illinois at Chicago, 851 South Morgan Street, M/C 154, Chicago, IL 60607, United States of America
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Barman U, Mukhopadhyay G, Goswami N, Ghosh SS, Paily RP. Detection of Glutathione by Glutathione-S-Transferase-Nanoconjugate Ensemble Electrochemical Device. IEEE Trans Nanobioscience 2017; 16:271-279. [DOI: 10.1109/tnb.2017.2698241] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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25
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Fu W, Jiang L, van Geest EP, Lima LMC, Schneider GF. Sensing at the Surface of Graphene Field-Effect Transistors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1603610. [PMID: 27896865 DOI: 10.1002/adma.201603610] [Citation(s) in RCA: 136] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 08/18/2016] [Indexed: 05/21/2023]
Abstract
Recent research trends now offer new opportunities for developing the next generations of label-free biochemical sensors using graphene and other two-dimensional materials. While the physics of graphene transistors operated in electrolyte is well grounded, important chemical challenges still remain to be addressed, namely the impact of the chemical functionalizations of graphene on the key electrical parameters and the sensing performances. In fact, graphene - at least ideal graphene - is highly chemically inert. The functionalizations and chemical alterations of the graphene surface - both covalently and non-covalently - are crucial steps that define the sensitivity of graphene. The presence, reactivity, adsorption of gas and ions, proteins, DNA, cells and tissues on graphene have been successfully monitored with graphene. This review aims to unify most of the work done so far on biochemical sensing at the surface of a (chemically functionalized) graphene field-effect transistor and the challenges that lie ahead. The authors are convinced that graphene biochemical sensors hold great promise to meet the ever-increasing demand for sensitivity, especially looking at the recent progresses suggesting that the obstacle of Debye screening can be overcome.
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Affiliation(s)
- Wangyang Fu
- Leiden University, Faculty of Science, Leiden Institute of Chemistry, Einsteinweg 55, 2333CC, Leiden, The Netherlands
| | - Lin Jiang
- Leiden University, Faculty of Science, Leiden Institute of Chemistry, Einsteinweg 55, 2333CC, Leiden, The Netherlands
| | - Erik P van Geest
- Leiden University, Faculty of Science, Leiden Institute of Chemistry, Einsteinweg 55, 2333CC, Leiden, The Netherlands
| | - Lia M C Lima
- Leiden University, Faculty of Science, Leiden Institute of Chemistry, Einsteinweg 55, 2333CC, Leiden, The Netherlands
| | - Grégory F Schneider
- Leiden University, Faculty of Science, Leiden Institute of Chemistry, Einsteinweg 55, 2333CC, Leiden, The Netherlands
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26
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DNA adsorbed on graphene and graphene oxide: Fundamental interactions, desorption and applications. Curr Opin Colloid Interface Sci 2016. [DOI: 10.1016/j.cocis.2016.09.001] [Citation(s) in RCA: 172] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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27
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Rajendran M, Dane E, Conley J, Tantama M. Imaging Adenosine Triphosphate (ATP). THE BIOLOGICAL BULLETIN 2016; 231:73-84. [PMID: 27638696 PMCID: PMC5063237 DOI: 10.1086/689592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Adenosine triphosphate (ATP) is a universal mediator of metabolism and signaling across unicellular and multicellular species. There is a fundamental interdependence between the dynamics of ATP and the physiology that occurs inside and outside the cell. Characterizing and understanding ATP dynamics provide valuable mechanistic insight into processes that range from neurotransmission to the chemotaxis of immune cells. Therefore, we require the methodology to interrogate both temporal and spatial components of ATP dynamics from the subcellular to the organismal levels in live specimens. Over the last several decades, a number of molecular probes that are specific to ATP have been developed. These probes have been combined with imaging approaches, particularly optical microscopy, to enable qualitative and quantitative detection of this critical molecule. In this review, we survey current examples of technologies available for visualizing ATP in living cells, and identify areas where new tools and approaches are needed to expand our capabilities.
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Affiliation(s)
- Megha Rajendran
- Department of Chemistry, Purdue University, 560 Oval Drive, Box 68, West Lafayette, Indiana 47907; and
| | - Eric Dane
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 76-211, Cambridge, Massachusetts 02139
| | - Jason Conley
- Department of Chemistry, Purdue University, 560 Oval Drive, Box 68, West Lafayette, Indiana 47907; and
| | - Mathew Tantama
- Department of Chemistry, Purdue University, 560 Oval Drive, Box 68, West Lafayette, Indiana 47907; and
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