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Kırali K, Brimo N, Serdaroğlu DÇ. Antibody immobilization techniques in mass sensitive immunosensor: enhanced sensitivity through limited mass load. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411016999201120090551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Biosensors are analytical devices that include a sample-delivery approach between a
biological recognition element and a transducer required to convert the physicochemical change produced from the
interaction of biological molecules-receptor interaction into signal. The immunosensor is a special type of biosensors that
includes an antibody as a biorecognition element to detect analyte as antigens. In mass-sensitive sensors, antigen-antibody
interactions can be specified by measuring the frequency change and most commonly knowns are surface acoustic wave,
bulk acoustic wave, quartz crystal microbalance and microcantilevers.
Methods:
Different methods for antibody immobilization including functionalization of the transducer surface with
specific groups have been reported for antibody immobilization. This stage affects the limit of detection and overall
performance. In this review, perspectives on immobilization strategies of mass sensitive immunosensors according to
transducer types will be presented. The choice of immobilization methods and their impact on performance in terms of
capture molecule loading, orientation and signal improvement is will also be discussed.
Results:
One of the most critical point during configuration of the biorecognition layer is to improve the sensitivity.
Therefore, we initially focused on comparisons of the antibody immobilization strategies in the biorecognition layer in
terms of mass load level and high sensitivity.
Conclusion:
The lack of significant data on the mass accumulations up to the functionalization and antibody
immobilization steps, which are the basis of immusensor production, has been identified. However, mass sensitive
immunosensors have the potential to become more common and effective analytical devices for many application areas.
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Affiliation(s)
- Kübra Kırali
- Biomedical Engineering Department, Başkent University, Ankara, Turkey
| | - Nura Brimo
- Biomedical Engineering Department, Başkent University, Ankara, Turkey
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Liu Y, Zhong Y, Wang C. Recent advances in self-actuation and self-sensing materials: State of the art and future perspectives. Talanta 2020; 212:120808. [PMID: 32113569 DOI: 10.1016/j.talanta.2020.120808] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 02/03/2020] [Accepted: 02/04/2020] [Indexed: 12/13/2022]
Abstract
The contradiction between human's strong demand of fossil fuels and their limited reserves becomes increasingly severe. Without external power input, intelligent materials responding sharply and reversibly to various external stimuli are the topic of intense research these years, especially the self-actuation and self-sensing materials. The promising family of these materials will play a significant role in energy-saving, low-cost and environment-friendly intelligent systems in the future. This review summarizes the latest advances in self-actuation and self-sensing materials. The synthetic strategies, morphologies and performance of these materials are introduced, as well as their applications in energy harvest, self-powering sensors, wearable devices, etc. Finally, tentative conclusions and assessments regarding the opportunities and challenges for the future development of these materials are presented.
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Affiliation(s)
- Yushu Liu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu Province, 225000, China; School of Computer Science and Technology, Harbin Institute of Technology, Weihai, Shandong Province, 264209, China
| | - Yunhao Zhong
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu Province, 225000, China
| | - Chengyin Wang
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu Province, 225000, China.
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Muenchen DK, Martinazzo J, Brezolin AN, de Cezaro AM, Rigo AA, Mezarroba MN, Manzoli A, de Lima Leite F, Steffens J, Steffens C. Cantilever Functionalization Using Peroxidase Extract of Low Cost for Glyphosate Detection. Appl Biochem Biotechnol 2018; 186:1061-1073. [PMID: 29862444 DOI: 10.1007/s12010-018-2799-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 05/28/2018] [Indexed: 01/10/2023]
Abstract
A cantilever nanobiosensor functionalized with vegetable source of peroxidase was developed as an innovative way for glyphosate herbicide detection over a wide concentration range (0.01 to 10 mg L-1) using atomic force microscopy (AFM) technique. The extract obtained from zucchini (Cucurbita pepo source of peroxidase), with high enzymatic activity and stability has been used as bio-recognition element to develop a nanobiosensor. The polarization-modulated reflection absorption infrared spectroscopy (PM-RAIRS) demonstrated the deposition of enzyme on cantilever surface using self-assembled monolayers (SAM) by the presence of the amide I and II bands. The detection mechanism of glyphosate was based on the changes in surface tension caused by the analyte adsorption, resulting in a conformational change in the enzyme structure. In this way, the results of nanobiosensor demonstrate the potential of the sensing device for detecting glyphosate with a detection limit of 0.028 mg L-1.
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Affiliation(s)
- Daniela Kunkel Muenchen
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Janine Martinazzo
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Alexandra Nava Brezolin
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Alana Marie de Cezaro
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Aline Andressa Rigo
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Mateus Nava Mezarroba
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Alexandra Manzoli
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Fábio de Lima Leite
- Department of Physics, Chemistry and Mathematics, Nanoneurobiophysics Research Group, Federal University of São Carlos (UFSCar), P.O. Box 3031, Sorocaba, São Paulo, 18052-780, Brazil
| | - Juliana Steffens
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil
| | - Clarice Steffens
- Department of Food Engineering, URI - Erechim, Av. Sete de Setembro, 1621, Erechim, Rio Grande do Sul, 99709-910, Brazil.
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Chopard T, Lacour V, Leblois T. GaAs coupled micro resonators with enhanced sensitive mass detection. SENSORS 2014; 14:22785-97. [PMID: 25474375 PMCID: PMC4299039 DOI: 10.3390/s141222785] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Revised: 11/17/2014] [Accepted: 11/25/2014] [Indexed: 11/16/2022]
Abstract
This work demonstrates the improvement of mass detection sensitivity and time response using a simple sensor structure. Indeed, complicated technological processes leading to very brittle sensing structures are often required to reach high sensitivity when we want to detect specific molecules in biological fields. These developments constitute an obstacle to the early diagnosis of diseases. An alternative is the design of coupled structures. In this study, the device is based on the piezoelectric excitation and detection of two GaAs microstructures vibrating in antisymmetric modes. GaAs is a crystal which has the advantage to be micromachined easily using typical clean room processes. Moreover, we showed its high potential in direct biofunctionalisation for use in the biological field. A specific design of the device was performed to improve the detection at low mass and an original detection method has been developed. The principle is to exploit the variation in amplitude at the initial resonance frequency which has in the vicinity of weak added mass the greatest slope. Therefore, we get a very good resolution for an infinitely weak mass: relative voltage variation of 8%/1 fg. The analysis is based on results obtained by finite element simulation.
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Affiliation(s)
- Tony Chopard
- FEMTO-ST Institute, Université de Franche-Comté, 15B avenue des Montboucons, 25030 Besançon Cedex, France.
| | - Vivien Lacour
- FEMTO-ST Institute, Université de Franche-Comté, 15B avenue des Montboucons, 25030 Besançon Cedex, France.
| | - Therese Leblois
- FEMTO-ST Institute, Université de Franche-Comté, 15B avenue des Montboucons, 25030 Besançon Cedex, France.
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Mehrabani S, Maker AJ, Armani AM. Hybrid integrated label-free chemical and biological sensors. SENSORS (BASEL, SWITZERLAND) 2014; 14:5890-928. [PMID: 24675757 PMCID: PMC4029679 DOI: 10.3390/s140405890] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Revised: 03/10/2014] [Accepted: 03/14/2014] [Indexed: 12/13/2022]
Abstract
Label-free sensors based on electrical, mechanical and optical transduction methods have potential applications in numerous areas of society, ranging from healthcare to environmental monitoring. Initial research in the field focused on the development and optimization of various sensor platforms fabricated from a single material system, such as fiber-based optical sensors and silicon nanowire-based electrical sensors. However, more recent research efforts have explored designing sensors fabricated from multiple materials. For example, synthetic materials and/or biomaterials can also be added to the sensor to improve its response toward analytes of interest. By leveraging the properties of the different material systems, these hybrid sensing devices can have significantly improved performance over their single-material counterparts (better sensitivity, specificity, signal to noise, and/or detection limits). This review will briefly discuss some of the methods for creating these multi-material sensor platforms and the advances enabled by this design approach.
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Affiliation(s)
- Simin Mehrabani
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90089, USA.
| | - Ashley J Maker
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90089, USA.
| | - Andrea M Armani
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90089, USA.
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WANG CY, WANG DY, WANG GX, HU XY. Determination of Lysozyme Using Microcantilever Sensor Based on Atomic Force Microscopy. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2010. [DOI: 10.1016/s1872-2040(09)60082-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Chiari M, Cretich M, Damin F, Di Carlo G, Oldani C. Advanced polymers for molecular recognition and sensing at the interface. J Chromatogr B Analyt Technol Biomed Life Sci 2008; 866:89-103. [DOI: 10.1016/j.jchromb.2008.01.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2007] [Revised: 12/07/2007] [Accepted: 01/04/2008] [Indexed: 11/29/2022]
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