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Zahra T, Javeria U, Jamal H, Baig MM, Akhtar F, Kamran U. A review of biocompatible polymer-functionalized two-dimensional materials: Emerging contenders for biosensors and bioelectronics applications. Anal Chim Acta 2024; 1316:342880. [PMID: 38969417 DOI: 10.1016/j.aca.2024.342880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 06/14/2024] [Accepted: 06/15/2024] [Indexed: 07/07/2024]
Abstract
Bioelectronics, a field pivotal in monitoring and stimulating biological processes, demands innovative nanomaterials as detection platforms. Two-dimensional (2D) materials, with their thin structures and exceptional physicochemical properties, have emerged as critical substances in this research. However, these materials face challenges in biomedical applications due to issues related to their biological compatibility, adaptability, functionality, and nano-bio surface characteristics. This review examines surface modifications using covalent and non-covalent-based polymer-functionalization strategies to overcome these limitations by enhancing the biological compatibility, adaptability, and functionality of 2D nanomaterials. These surface modifications aim to create stable and long-lasting therapeutic effects, significantly paving the way for the practical application of polymer-functionalized 2D materials in biosensors and bioelectronics. The review paper critically summarizes the surface functionalization of 2D nanomaterials with biocompatible polymers, including g-C3N4, graphene family, MXene, BP, MOF, and TMDCs, highlighting their current state, physicochemical structures, synthesis methods, material characteristics, and applications in biosensors and bioelectronics. The paper concludes with a discussion of prospects, challenges, and numerous opportunities in the evolving field of bioelectronics.
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Affiliation(s)
- Tahreem Zahra
- Department of Chemistry, University of Narowal, Narowal, Punjab, 51600, Pakistan
| | - Umme Javeria
- Department of Chemistry, University of Narowal, Narowal, Punjab, 51600, Pakistan
| | - Hasan Jamal
- Division of Energy Technology, Daegu Gyeongbuk Institute of Science & Technology, 333, Techno Jungang-Daero, Hyeonpung-Myeon, Dalseong-Gun, Daegu, 42988, Republic of Korea
| | - Mirza Mahmood Baig
- Department of Chemistry, University of Narowal, Narowal, Punjab, 51600, Pakistan; Department of Chemistry, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Farid Akhtar
- Division of Materials Science, Luleå University of Technology, 97187, Luleå, Sweden.
| | - Urooj Kamran
- Division of Materials Science, Luleå University of Technology, 97187, Luleå, Sweden; Institute of Advanced Machinery Design Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, Republic of Korea.
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Bahri M, Yu D, Zhang CY, Chen Z, Yang C, Douadji L, Qin P. Unleashing the potential of tungsten disulfide: Current trends in biosensing and nanomedicine applications. Heliyon 2024; 10:e24427. [PMID: 38293340 PMCID: PMC10826743 DOI: 10.1016/j.heliyon.2024.e24427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/18/2023] [Accepted: 01/09/2024] [Indexed: 02/01/2024] Open
Abstract
The discovery of graphene ignites a great deal of interest in the research and advancement of two-dimensional (2D) layered materials. Within it, semiconducting transition metal dichalcogenides (TMDCs) are highly regarded due to their exceptional electrical and optoelectronic properties. Tungsten disulfide (WS2) is a TMDC with intriguing properties, such as biocompatibility, tunable bandgap, and outstanding photoelectric characteristics. These features make it a potential candidate for chemical sensing, biosensing, and tumor therapy. Despite the numerous reviews on the synthesis and application of TMDCs in the biomedical field, no comprehensive study still summarizes and unifies the research trends of WS2 from synthesis to biomedical applications. Therefore, this review aims to present a complete and thorough analysis of the current research trends in WS2 across several biomedical domains, including biosensing and nanomedicine, covering antibacterial applications, tissue engineering, drug delivery, and anticancer treatments. Finally, this review also discusses the potential opportunities and obstacles associated with WS2 to deliver a new outlook for advancing its progress in biomedical research.
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Affiliation(s)
- Mohamed Bahri
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Dongmei Yu
- School of Mechanical, Electrical & Information Engineering, Shandong University, Weihai, Shandong 264209, China
| | - Can Yang Zhang
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Zhenglin Chen
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Chengming Yang
- University of Science and Technology Hospital, Shenzhen, Guangdong Province, China
| | - Lyes Douadji
- Chongqing Institute of Green and Intelligent Technology Chinese Academy of Sciences, Chongqing City, China
| | - Peiwu Qin
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
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3
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Kizhepat S, Rasal AS, Chang JY, Wu HF. Development of Two-Dimensional Functional Nanomaterials for Biosensor Applications: Opportunities, Challenges, and Future Prospects. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091520. [PMID: 37177065 PMCID: PMC10180329 DOI: 10.3390/nano13091520] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/23/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023]
Abstract
New possibilities for the development of biosensors that are ready to be implemented in the field have emerged thanks to the recent progress of functional nanomaterials and the careful engineering of nanostructures. Two-dimensional (2D) nanomaterials have exceptional physical, chemical, highly anisotropic, chemically active, and mechanical capabilities due to their ultra-thin structures. The diversity of the high surface area, layered topologies, and porosity found in 2D nanomaterials makes them amenable to being engineered with surface characteristics that make it possible for targeted identification. By integrating the distinctive features of several varieties of nanostructures and employing them as scaffolds for bimolecular assemblies, biosensing platforms with improved reliability, selectivity, and sensitivity for the identification of a plethora of analytes can be developed. In this review, we compile a number of approaches to using 2D nanomaterials for biomolecule detection. Subsequently, we summarize the advantages and disadvantages of using 2D nanomaterials in biosensing. Finally, both the opportunities and the challenges that exist within this potentially fruitful subject are discussed. This review will assist readers in understanding the synthesis of 2D nanomaterials, their alteration by enzymes and composite materials, and the implementation of 2D material-based biosensors for efficient bioanalysis and disease diagnosis.
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Affiliation(s)
- Shamsa Kizhepat
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, 70, Lien-Hai Road, Kaohsiung 80424, Taiwan
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Akash S Rasal
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Jia-Yaw Chang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Hui-Fen Wu
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, 70, Lien-Hai Road, Kaohsiung 80424, Taiwan
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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Martinez-Sade E, Martinez-Rojas F, Ramos D, Aguirre MJ, Armijo F. Formation of a Conducting Polymer by Different Electrochemical Techniques and Their Effect on Obtaining an Immunosensor for Immunoglobulin G. Polymers (Basel) 2023; 15:polym15051168. [PMID: 36904408 PMCID: PMC10007133 DOI: 10.3390/polym15051168] [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: 01/27/2023] [Revised: 02/14/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023] Open
Abstract
In this work, a conducting polymer (CP) was obtained through three electrochemical procedures to study its effect on the development of an electrochemical immunosensor for the detection of immunoglobulin G (IgG-Ag) by square wave voltammetry (SWV). The glassy carbon electrode modified with poly indol-6-carboxylic acid (6-PICA) applied the cyclic voltammetry technique presented a more homogeneous size distribution of nanowires with greater adherence allowing the direct immobilization of the antibodies (IgG-Ab) to detect the biomarker IgG-Ag. Additionally, 6-PICA presents the most stable and reproducible electrochemical response used as an analytical signal for developing a label-free electrochemical immunosensor. The different steps in obtaining the electrochemical immunosensor were characterized by FESEM, FTIR, cyclic voltammetry, electrochemical impedance spectroscopy, and SWV. Optimal conditions to improve performance, stability, and reproducibility in the immunosensing platform were achieved. The prepared immunosensor has a linear detection range of 2.0-16.0 ng·mL-1 with a low detection limit of 0.8 ng·mL-1. The immunosensing platform performance depends on the orientation of the IgG-Ab, favoring the formation of the immuno-complex with an affinity constant (Ka) of 4.32 × 109 M-1, which has great potential to be used as point of care testing (POCT) device for the rapid detection of biomarkers.
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Affiliation(s)
- Erika Martinez-Sade
- Departamento de Química Inorgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile
| | - Francisco Martinez-Rojas
- Millenium Institute on Green Ammonia as Energy Vector, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Danilo Ramos
- Departamento de Química Inorgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile
| | - Maria Jesus Aguirre
- Millenium Institute on Green Ammonia as Energy Vector, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
- Departamento de Química de Los Materiales, Faculta de Química y Biología, Universidad de Santiago de Chile, USACH, Av. L.B. O’Higgins 3363, Santiago 9170022, Chile
| | - Francisco Armijo
- Departamento de Química Inorgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile
- Millenium Institute on Green Ammonia as Energy Vector, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
- Centro de Nanotecnología y Materiales Avanzados, CIEN-UC, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
- Correspondence:
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5
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Sun C, Huang H, Wang J, Liu W, Yang Z, Yu XF. Applications of electrochemical biosensors based on 2D materials and their hybrid composites in hematological malignancies diagnosis. Technol Cancer Res Treat 2022; 21:15330338221142996. [PMID: 36567603 PMCID: PMC9806386 DOI: 10.1177/15330338221142996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Hematological malignancies encompass a wide variety of severe diseases that pose a serious threat to human health. Given the fact that hematological malignancies are difficult to treat due to their unpredictable and rapid deterioration and high rates of recurrence, growing attention has been paid to their early screening and diagnosis. However, developing a rapid and effective diagnostic tool featuring a noninvasive sampling technique is still extremely challenging. In recent years, novel nanomaterials-based electrochemical biosensors have attracted great interest because of such advantages as simple operation, low cost, fast response, etc. As a kind of rising nanomaterials, two-dimensional materials have excellent electronic and chemical properties, which have been proven to improve the performance of electrochemical biosensors. This review summarizes the applications of different types of electrochemical biosensors (nucleic acid sensors, immunosensors, aptamer biosensors, and cytosensors) based on two-dimensional materials in the detection of biological molecules related to hematological malignancies. Two-dimensional materials-based electrochemical biosensors designed for the diagnosis of leukemia could rapidly detect the target biomolecules at a trace level and show great merits such as wide linear range, low detection limit, high sensitivity, excellent selectivity, and cost-effectiveness. In addition, these biosensors have also achieved satisfactory results in the diagnosis of lymphoma and multiple myeloma. Thus, two-dimensional materials-based electrochemical biosensors are attractive for the early diagnosis of hematological malignancies in clinical practice. Nevertheless, more efforts are still required to further improve the performance of electrochemical biosensors. In this review, we propose the possible main concerns in the design of future two-dimensional materials-based electrochemical biosensors, involving the development of sensors for synchronous detection of diverse target biomolecules, the exploration of other superior two-dimensional materials, the simplification of the sensors fabrication process, the construction of new hybrid structures and how to avoid possible environmental issues.
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Affiliation(s)
- Caixia Sun
- Department of Hematology, Zhanjiang Central Hospital, Guangdong
Medical University, Zhanjiang, China,Shenzhen Institute of Advanced Technology, Chinese Academy of
Sciences, Shenzhen, China
| | - Hao Huang
- Shenzhen Institute of Advanced Technology, Chinese Academy of
Sciences, Shenzhen, China
| | - Jiahong Wang
- Shenzhen Institute of Advanced Technology, Chinese Academy of
Sciences, Shenzhen, China
| | - Wenxin Liu
- Department of Hematology, Zhanjiang Central Hospital, Guangdong
Medical University, Zhanjiang, China
| | - Zhigang Yang
- Department of Hematology, Zhanjiang Central Hospital, Guangdong
Medical University, Zhanjiang, China,Zhigang Yang and Wenxin Liu, Department of
Hematology, Zhanjiang Central Hospital, Guangdong Medical University, Yuanzhu
Road, Chikan District, Zhanjiang 524045, Guangdong, China. Emails:
; Hao
Huang, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences,
No. 1068 Xueyuan Avenue, Shenzhen University Town, Nanshan District, Shenzhen
518055, China.
| | - Xue-Feng Yu
- Shenzhen Institute of Advanced Technology, Chinese Academy of
Sciences, Shenzhen, China
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6
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Thapa K, Liu W, Wang R. Nucleic acid-based electrochemical biosensor: Recent advances in probe immobilization and signal amplification strategies. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 14:e1765. [PMID: 34734485 DOI: 10.1002/wnan.1765] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 08/06/2021] [Accepted: 10/04/2021] [Indexed: 12/26/2022]
Abstract
With the increasing importance of accurate and early disease diagnosis and the development of personalized medicine, DNA-based electrochemical biosensor has attracted broad scientific and clinical interests in the past decades due to its unique hybridization specificity, fast response time, and potential for miniaturization. In order to achieve high detection sensitivity, the design of DNA electrochemical biosensors depends critically on the improvement of the accessibility of target molecules and the enhancement of signal readout. Here, we summarize the recent advances in DNA probe immobilization and signal amplification strategies with a special focus on DNA nanostructure-supported DNA probe immobilization method, which provides the opportunity to rationally control the distance between probes and keep them in upright confirmation, as well as the contribution of functional nanomaterials in enhancing the signal amplification. The next challenge of biosensors will be the fabrication of point-of-care devices for clinical testing. The advancement of multidisciplinary areas, including nanofabrication, material science, and biochemistry, has exhibited profound promise in achieving such portable sensing devices. This article is categorized under: Diagnostic Tools > Biosensing Diagnostic Tools > Diagnostic Nanodevices Biology-Inspired Nanomaterials > Nucleic Acid-Based Structures.
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Affiliation(s)
- Krishna Thapa
- Department of Chemistry, Missouri University of Science and Technology, Rolla, Missouri, USA
| | - Wenyan Liu
- Department of Chemistry, Missouri University of Science and Technology, Rolla, Missouri, USA.,Center for Research in Energy and Environment, Missouri University of Science and Technology, Rolla, Missouri, USA
| | - Risheng Wang
- Department of Chemistry, Missouri University of Science and Technology, Rolla, Missouri, USA
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7
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Kasinathan K, Marimuthu K, Murugesan B, Sathaiah M, Subramanian P, Sivakumar P, Swaminathan U, Subbiah R. Fabrication of eco-friendly chitosan functionalized few-layered WS 2 nanocomposite implanted with ruthenium nanoparticles for in vitro antibacterial and anticancer activity: Synthesis, characterization, and pharmaceutical applications. Int J Biol Macromol 2021; 190:520-532. [PMID: 34480908 DOI: 10.1016/j.ijbiomac.2021.08.153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
The abundance of two-dimensional (2D) components has provided them with a broad material platform for building nano and atomic-level applications. So, 2D nanomaterials are unique because of their physicochemical properties. Over many years, graphene is a conventional 2D layered element that has significant attention in the scientific community. In recent years numerous new 2D nanomaterials other than graphene have been reported. The study of 2D nanomaterials is also in its infant stages, with the majority of research focusing on the explanation of special material properties, but very few articles are focusing on the biological applications of 2D nanomaterials. As a result, we focused on the transition metal dichalcogenides (TMDCs) such as MoS2 and WS2, which were emerging and exciting groups of elements with display great opportunities in several fields, such as cancer nanomedicine. Herein, we synthesized biologically active CS/WS2/Ru composite by liquid exfoliation approach. The CS/WS2/Ru composites exhibit significant antibacterial action towards (S. aureus, and E. coli) bacteria. Also, the composite suggests synergetic anticancer action against MCF-7 cancer cells. These reports are possible to explore the innovative aspects of biological outcomes in carcinological applications.
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Affiliation(s)
- Kasirajan Kasinathan
- Thin Film and Nanoscience Research Lab, PG and Research Department of Physics, Alagappa Government Arts College, Karaikudi 630 003, India
| | - Karunakaran Marimuthu
- Thin Film and Nanoscience Research Lab, PG and Research Department of Physics, Alagappa Government Arts College, Karaikudi 630 003, India.
| | - Balaji Murugesan
- Advanced Green Chemistry Lab, Department of Industrial Chemistry, School of Chemical Sciences, Alagappa University, Karaikudi 630 003, Tamil Nadu, India
| | - Maheswari Sathaiah
- Thin Film and Nanoscience Research Lab, PG and Research Department of Physics, Alagappa Government Arts College, Karaikudi 630 003, India
| | - Palanisamy Subramanian
- East Coast Research Institute of Life Science, Gangneung-Wonju National University, 120, Gangneung, Gangwon 210-702, Republic of Korea
| | - Prabakaran Sivakumar
- Thin Film and Nanoscience Research Lab, PG and Research Department of Physics, Alagappa Government Arts College, Karaikudi 630 003, India
| | - Usha Swaminathan
- Thin Film and Nanoscience Research Lab, PG and Research Department of Physics, Alagappa Government Arts College, Karaikudi 630 003, India
| | - Rajalakshmi Subbiah
- Thin Film and Nanoscience Research Lab, PG and Research Department of Physics, Alagappa Government Arts College, Karaikudi 630 003, India
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8
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Suhito IR, Koo KM, Kim TH. Recent Advances in Electrochemical Sensors for the Detection of Biomolecules and Whole Cells. Biomedicines 2020; 9:15. [PMID: 33375330 PMCID: PMC7824644 DOI: 10.3390/biomedicines9010015] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 02/06/2023] Open
Abstract
Electrochemical sensors are considered an auspicious tool to detect biomolecules (e.g., DNA, proteins, and lipids), which are valuable sources for the early diagnosis of diseases and disorders. Advances in electrochemical sensing platforms have enabled the development of a new type of biosensor, enabling label-free, non-destructive detection of viability, function, and the genetic signature of whole cells. Numerous studies have attempted to enhance both the sensitivity and selectivity of electrochemical sensors, which are the most critical parameters for assessing sensor performance. Various nanomaterials, including metal nanoparticles, carbon nanotubes, graphene and its derivatives, and metal oxide nanoparticles, have been used to improve the electrical conductivity and electrocatalytic properties of working electrodes, increasing sensor sensitivity. Further modifications have been implemented to advance sensor platform selectivity and biocompatibility using biomaterials such as antibodies, aptamers, extracellular matrix (ECM) proteins, and peptide composites. This paper summarizes recent electrochemical sensors designed to detect target biomolecules and animal cells (cancer cells and stem cells). We hope that this review will inspire researchers to increase their efforts to accelerate biosensor progress-enabling a prosperous future in regenerative medicine and the biomedical industry.
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Affiliation(s)
- Intan Rosalina Suhito
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea; (I.R.S.); (K.-M.K.)
| | - Kyeong-Mo Koo
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea; (I.R.S.); (K.-M.K.)
| | - Tae-Hyung Kim
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea; (I.R.S.); (K.-M.K.)
- Integrative Research Center for Two-Dimensional Functional Materials, Institute of Interdisciplinary Convergence Research, Chung Ang University, Seoul 06974, Korea
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Khan IM, Niazi S, Yu Y, Mohsin A, Mushtaq BS, Iqbal MW, Rehman A, Akhtar W, Wang Z. Aptamer Induced Multicolored AuNCs-WS 2 "Turn on" FRET Nano Platform for Dual-Color Simultaneous Detection of AflatoxinB 1 and Zearalenone. Anal Chem 2019; 91:14085-14092. [PMID: 31585033 DOI: 10.1021/acs.analchem.9b03880] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Mycotoxins posit serious threats to human and animal health, and numerous efforts have been performed to detect the multiple toxins by a single diagnostic approach. To best of our knowledge, for the first time, we synthesized an aptamer induced "turn on" fluorescence resonance energy transfer (FRET) biosensor using dual-color gold nanoclusters (AuNCs), l-proline, and BSA synthesized AuNCs (Lp-AuNCs and BSA-AuNCs), with WS2 nanosheet for simultaneous recognition of aflatoxinB1 (AFB1) and zearalenone (ZEN) by single excitation. Here, AFB1 aptamer stabilized blue-emitting AuNCs (AFB1-apt-Lp-AuNCs) (at 442 nm) and ZEN aptamer functionalized with red-colored AuNCs (ZEN-apt-BSA-AuNCs) (at 650 nm) were employed as an energy donor and WS2 nanosheet as a fluorescence quencher. With the addition of AFB1 and ZEN, the change in fluorescence intensity (F.I) was recorded at 442 and 650 nm and can be used for simultaneous recognition with a detection limit of 0.34 pg mL-1 (R2 = 0.9931) and 0.53 pg mL-1 (R2 = 0.9934), respectively. Most importantly, the semiquantitative determination of AFB1 and ZEN can also be realized through photovisualization. The current approach paves a new way to develop sensitive, selective, and convenient metal nanocluster-based fluorescent "switch-on" probes with potential applications in multipurpose biosensing.
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Affiliation(s)
- Imran Mahmood Khan
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,School of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,International Joint Laboratory on Food Safety , Jiangnan University , Wuxi , 214122 , China.,Synergetic Innovation Center of Food Safety and Quality Control of Jiangsu Province , Wuxi 214122 , China
| | - Sobia Niazi
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,School of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,International Joint Laboratory on Food Safety , Jiangnan University , Wuxi , 214122 , China.,Synergetic Innovation Center of Food Safety and Quality Control of Jiangsu Province , Wuxi 214122 , China
| | - Ye Yu
- Technology Center of Zhangjiagang Entry-Exit Inspection and Quarantine Bureau , Zhangjiagang , 214114 , China
| | - Ali Mohsin
- East China University of Science and Technology , Shanghai , 200000 , China
| | - Bilal Sajid Mushtaq
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,School of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China
| | - Muhammad Waheed Iqbal
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,School of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China
| | - Abdur Rehman
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,School of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China
| | - Wasim Akhtar
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,School of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,School of Food Science and Technology , Jiangnan University , Wuxi , 214122 , China.,International Joint Laboratory on Food Safety , Jiangnan University , Wuxi , 214122 , China.,Synergetic Innovation Center of Food Safety and Quality Control of Jiangsu Province , Wuxi 214122 , China
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