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Robin P, Gerber-Lemaire S. Design and Preparation of Sensing Surfaces for Capacitive Biodetection. BIOSENSORS 2022; 13:17. [PMID: 36671852 PMCID: PMC9856139 DOI: 10.3390/bios13010017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/15/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Despite their high sensitivity and their suitability for miniaturization, biosensors are still limited for clinical applications due to the lack of reproducibility and specificity of their detection performance. The design and preparation of sensing surfaces are suspected to be a cause of these limitations. Here, we first present an updated overview of the current state of use of capacitive biosensors in a medical context. Then, we summarize the encountered strategies for the fabrication of capacitive biosensing surfaces. Finally, we describe the characteristics which govern the performance of the sensing surfaces, along with recent developments that were suggested to overcome their main current limitations.
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2
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Rapid and Sensitive Point of Care Detection of MRSA Genomic DNA by Nanoelectrokinetic Sensors. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9050097] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Biosensors have shown great potential in realizing rapid, low cost, and portable on-site detection for diseases. This work reports the development of a new bioelectronic sensor called AC electrokinetics-based capacitive (ABC) biosensor, for the detection of genomic DNA (gDNA) of methicillin-resistant Staphylococcus aureus (MRSA). The ABC sensor is based on interdigitated microelectrodes biofunctionalized with oligonucleotide probes. It uses a special AC signal for direct capacitive monitoring of topological change on nanostructured sensor surface, which simultaneously induces dielectrophoretic enrichment of target gDNAs. As a result, rapid and specific detection of gDNA/probe hybridization can be realized with high sensitivity. It requires no signal amplification such as labeling, hybridization chain reaction, or nucleic acid sequence-based amplification. This method involves only simple sample preparation. After optimization of nanostructured sensor surface and signal processing, the ABC sensor demonstrated fast turnaround of results (~10 s detection), excellent sensitivity (a detection limit of 4.7 DNA copies/µL MRSA gDNA), and high specificity, suitable for point of care diagnosis. As a bioelectronic sensor, the developed ABC sensors can be easily adapted for detections of other infectious agents.
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3
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Stupin DD, Kuzina EA, Abelit AA, Emelyanov AK, Nikolaev DM, Ryazantsev MN, Koniakhin SV, Dubina MV. Bioimpedance Spectroscopy: Basics and Applications. ACS Biomater Sci Eng 2021; 7:1962-1986. [PMID: 33749256 DOI: 10.1021/acsbiomaterials.0c01570] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this review, we aim to introduce the reader to the technique of electrical impedance spectroscopy (EIS) with a focus on its biological, biomaterials, and medical applications. We explain the theoretical and experimental aspects of the EIS with the details essential for biological studies, i.e., interaction of metal electrodes with biological matter and liquids, strategies of measurement rate increasing, noise reduction in bio-EIS experiments, etc. We also give various examples of successful bio-EIS practical implementations in science and technology, from whole-body health monitoring and sensors for vision prosthetic care to single living cell examination platforms, virus disease research, biomolecules detection, and implementation of novel biomaterials. The present review can be used as a bio-EIS tutorial for students as well as a handbook for scientists and engineers because of the extensive references covering the contemporary research papers in the field.
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Affiliation(s)
- Daniil D Stupin
- Alferov University, 8/3 Khlopina Street, Saint Petersburg 194021, Russia
| | - Ekaterina A Kuzina
- Alferov University, 8/3 Khlopina Street, Saint Petersburg 194021, Russia
| | - Anna A Abelit
- Alferov University, 8/3 Khlopina Street, Saint Petersburg 194021, Russia.,Peter the Great St. Petersburg Polytechnic University, Polytechnicheskaya 29, St. Petersburg 195251, Russia
| | - Anton K Emelyanov
- Alferov University, 8/3 Khlopina Street, Saint Petersburg 194021, Russia.,Pavlov First Saint Petersburg State Medical University, L'va Tolstogo Street. 6-8, Saint Petersburg 197022, Russia
| | - Dmitrii M Nikolaev
- Alferov University, 8/3 Khlopina Street, Saint Petersburg 194021, Russia
| | - Mikhail N Ryazantsev
- Institute of Chemistry, Saint Petersburg State University, 26 Universitetskii pr, Saint Petersburg 198504, Russia
| | - Sergei V Koniakhin
- Alferov University, 8/3 Khlopina Street, Saint Petersburg 194021, Russia.,Institut Pascal, PHOTON-N2, Université Clermont Auvergne, CNRS, SIGMA Clermont, Clermont-Ferrand F-63000, France
| | - Michael V Dubina
- Institute of Highly Pure Biopreparation of the Federal Medical-Biological Agency, Pudozhskaya 7, St. Petersburg 197110, Russia
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A silver(I) doped bud-like DNA nanostructure as a dual-functional nanolabel for voltammetric discrimination of methylated from unmethylated genes. Mikrochim Acta 2018; 186:38. [PMID: 30569246 DOI: 10.1007/s00604-018-3121-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 11/27/2018] [Indexed: 10/27/2022]
Abstract
A small DNA structure, referred to as DNA nanobud (NB), was used for the first time to design a dual-functional nanolabel in order to recognize a particular oligonucleotide sequence, generate and amplify the electrochemical analytical signal. NBs containing numerous repetitive desired sequences were prepared through self-assembly of 8-h rolling circle amplification. Then, redox-active silver ions were loaded onto the NBs by over-night incubation with a solution of AgNO3. The incorporation of Ag+ into NBs was confirmed by field emission scanning electron microscopy, dynamic light scattering, UV-Vis spectroscopy, zeta potential measurements, and energy-dispersive X-ray spectroscopy. A DNA sandwich complex was created after hybridization of Ag+-NB with target sequence, which was captured by immobilized probe on a gold electrode. Cyclic voltammetry was applied to measure the redox signal of silver ions produced typically at a potential around 0.02 V vs. Ag/AgCl. The label can specifically discriminate fully methylated BMP3 gene from fully unmethylated bisulfate-converted part of the gene. The electrochemical signal produced by DNA sandwich complex of gold/probe/BMP3/Ag+-NB was linear toward BMP3 concentration from 100 pM to 100 nM. The method has a 100 pM BMP3 detection limit. Conceivably, this nanolabel can be designed and modified such that it may also be used to detect other sequences with lower detection limits. Graphical abstract Ag+-NB as a new nanolabel for genosensing was formed by loading Ag+ on a spherical DNA nanostructure, nanobud (NB), synthesized by rolling circle amplification process. By using a gold electrode (AuE), Ag+-NB with numerous electroactive cations and binding sites can detect targets and generate amplified electrochemical signals.
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Wang L, Veselinovic M, Yang L, Geiss BJ, Dandy DS, Chen T. A sensitive DNA capacitive biosensor using interdigitated electrodes. Biosens Bioelectron 2017; 87:646-653. [PMID: 27619528 PMCID: PMC5295646 DOI: 10.1016/j.bios.2016.09.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 08/18/2016] [Accepted: 09/01/2016] [Indexed: 11/29/2022]
Abstract
This paper presents a label-free affinity-based capacitive biosensor using interdigitated electrodes. Using an optimized process of DNA probe preparation to minimize the effect of contaminants in commercial thiolated DNA probe, the electrode surface was functionalized with the 24-nucleotide DNA probes based on the West Nile virus sequence (Kunjin strain). The biosensor has the ability to detect complementary DNA fragments with a detection limit down to 20 DNA target molecules (1.5aM range), making it suitable for a practical point-of-care (POC) platform for low target count clinical applications without the need for amplification. The reproducibility of the biosensor detection was improved with efficient covalent immobilization of purified single-stranded DNA probe oligomers on cleaned gold microelectrodes. In addition to the low detection limit, the biosensor showed a dynamic range of detection from 1µL-1 to 105µL-1 target molecules (20 to 2 million targets), making it suitable for sample analysis in a typical clinical application environment. The binding results presented in this paper were validated using fluorescent oligomers.
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Affiliation(s)
- Lei Wang
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Milena Veselinovic
- Department of Microbiology, Immunology & Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Lang Yang
- Department of Electrical & Computer Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Brian J Geiss
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA; Department of Microbiology, Immunology & Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - David S Dandy
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA; Department of Chemical & Biological Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Tom Chen
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA; Department of Electrical & Computer Engineering, Colorado State University, Fort Collins, CO 80523, USA.
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Gaiji H, Jolly P, Ustuner S, Goggins S, Abderrabba M, Frost CG, Estrela P. A Peptide Nucleic Acid (PNA)-DNA Ferrocenyl Intercalator for Electrochemical Sensing. ELECTROANAL 2016. [DOI: 10.1002/elan.201600576] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Houda Gaiji
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences of Tunis; University Tunis El Manar; Tunis 2092 Tunisia
- Laboratory of Materials Molecules and Applications (LMMA), Preparatory Institute of Scientific and Technical Studies (IPEST); University of Carthage, La Marsa; Tunis 2070 Tunisia
| | - Pawan Jolly
- Department of Electronic & Electrical Engineering; University of Bath; Bath BA2 7AY United Kingdom
| | - Serife Ustuner
- Department of Electronic & Electrical Engineering; University of Bath; Bath BA2 7AY United Kingdom
- Department of Chemistry; University of Bath; Bath BA2 7AY United Kingdom
| | - Sean Goggins
- Department of Chemistry; University of Bath; Bath BA2 7AY United Kingdom
| | - Manef Abderrabba
- Laboratory of Materials Molecules and Applications (LMMA), Preparatory Institute of Scientific and Technical Studies (IPEST); University of Carthage, La Marsa; Tunis 2070 Tunisia
| | | | - Pedro Estrela
- Department of Electronic & Electrical Engineering; University of Bath; Bath BA2 7AY United Kingdom
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Couniot N, Francis LA, Flandre D. A 16 × 16 CMOS Capacitive Biosensor Array Towards Detection of Single Bacterial Cell. IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS 2016; 10:364-374. [PMID: 25974947 DOI: 10.1109/tbcas.2015.2416372] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We present a 16 × 16 CMOS biosensor array aiming at impedance detection of whole-cell bacteria. Each 14 μm × 16 μm pixel comprises high-sensitive passivated microelectrodes connected to an innovative readout interface based on charge sharing principle for capacitance-to-voltage conversion and subthreshold gain stage to boost the sensitivity. Fabricated in a 0.25 μm CMOS process, the capacitive array was experimentally shown to perform accurate dielectric measurements of the electrolyte up to electrical conductivities of 0.05 S/m, with maximal sensitivity of 55 mV/fF and signal-to-noise ratio (SNR) of 37 dB. As biosensing proof of concept, real-time detection of Staphylococcus epidermidis binding events was experimentally demonstrated and provides detection limit of ca. 7 bacteria per pixel and sensitivity of 2.18 mV per bacterial cell. Models and simulations show good matching with experimental results and provide a comprehensive analysis of the sensor and circuit system. Advantages, challenges and limits of the proposed capacitive biosensor array are finally described with regards to literature. With its small area and low power consumption, the present capacitive array is particularly suitable for portable point-of-care (PoC) diagnosis tools and lab-on-chip (LoC) systems.
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Ma H, Su Y, Jiang C, Nathan A. Inkjet-printed Ag electrodes on paper for high sensitivity impedance measurements. RSC Adv 2016. [DOI: 10.1039/c6ra18645a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Paper electrodes, fabricated by a standard office inkjet printer, show a high sensitivity enhancement for impedance measurement.
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Affiliation(s)
- Hanbin Ma
- Department of Engineering
- Electrical Engineering Division
- University of Cambridge
- Cambridge
- UK
| | - Yang Su
- Department of Engineering
- Electrical Engineering Division
- University of Cambridge
- Cambridge
- UK
| | - Chen Jiang
- Department of Engineering
- Electrical Engineering Division
- University of Cambridge
- Cambridge
- UK
| | - Arokia Nathan
- Department of Engineering
- Electrical Engineering Division
- University of Cambridge
- Cambridge
- UK
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Arya SK, Wong CC, Jeon YJ, Bansal T, Park MK. Advances in complementary-metal-oxide-semiconductor-based integrated biosensor arrays. Chem Rev 2015; 115:5116-58. [PMID: 26017544 DOI: 10.1021/cr500554n] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sunil K Arya
- Institute of Microelectronics, 11 Science Park Road, Singapore Science Park II, Singapore 117685
| | - Chee Chung Wong
- Institute of Microelectronics, 11 Science Park Road, Singapore Science Park II, Singapore 117685
| | - Yong Joon Jeon
- Institute of Microelectronics, 11 Science Park Road, Singapore Science Park II, Singapore 117685
| | - Tushar Bansal
- Institute of Microelectronics, 11 Science Park Road, Singapore Science Park II, Singapore 117685
| | - Mi Kyoung Park
- Institute of Microelectronics, 11 Science Park Road, Singapore Science Park II, Singapore 117685
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Ali MA, Srivastava S, Mondal K, Chavhan PM, Agrawal VV, John R, Sharma A, Malhotra BD. A surface functionalized nanoporous titania integrated microfluidic biochip. NANOSCALE 2014; 6:13958-13969. [PMID: 25316118 DOI: 10.1039/c4nr03791j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We present a novel and efficient nanoporous microfluidic biochip consisting of a functionalized chitosan/anatase titanium dioxide nanoparticles (antTiO2-CH) electrode integrated in a polydimethylsiloxane (PDMS) microchannel assembly. The electrode surface can be enzyme functionalized depending on the application. We studied in detail cholesterol sensing using the cholesterol esterase (ChEt) and cholesterol oxidase (ChOx) functionalized chitosan supported mesoporous antTiO2-CH microfluidic electrode. The available functional groups present in the nanoporous antTiO2-CH surface in this microfluidic biochip can play an important role for enzyme functionalization, which has been quantified by the X-ray photoelectron spectroscopic technique. The Brunauer-Emmett-Teller (BET) studies are used to quantify the specific surface area and nanopore size distribution of titania nanoparticles with and without chitosan. Point defects in antTiO2 can increase the heterogeneous electron transfer constant between the electrode and enzyme active sites, resulting in improved electrochemical behaviour of the microfluidic biochip. The impedimetric response of the nanoporous microfluidic biochip (ChEt-ChOx/antTiO2-CH) shows a high sensitivity of 6.77 kΩ (mg dl(-1))(-1) in the range of 2-500 mg dl(-1), a low detection limit of 0.2 mg dl(-1), a low Michaelis-Menten constant of 1.3 mg dl(-1) and a high selectivity. This impedimetric microsystem has enormous potential for clinical diagnostics applications.
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Affiliation(s)
- Md Azahar Ali
- Department of Science and Technology Centre on Biomolecular Electronics, Biomedical Instrumentation Section, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi-110012, India.
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Lai WA, Lin CH, Yang YS, Lu MSC. Ultrasensitive and label-free detection of pathogenic avian influenza DNA by using CMOS impedimetric sensors. Biosens Bioelectron 2012; 35:456-460. [PMID: 22425237 DOI: 10.1016/j.bios.2012.02.049] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Revised: 02/13/2012] [Accepted: 02/23/2012] [Indexed: 01/10/2023]
Abstract
This work presents miniaturized CMOS (complementary metal oxide semiconductor) sensors for non-faradic impedimetric detection of AIV (avian influenza virus) oligonucleotides. The signal-to-noise ratio is significantly improved by monolithic sensor integration to reduce the effect of parasitic capacitances. The use of sub-μm interdigitated microelectrodes is also beneficial for promoting the signal coupling efficiency. Capacitance changes associated with surface modification, functionalization, and DNA hybridization were extracted from the measured frequency responses based on an equivalent-circuit model. Hybridization of the AIV H5 capture and target DNA probes produced a capacitance reduction of -13.2 ± 2.1% for target DNA concentrations from 1 fM to 10 fM, while a capacitance increase was observed when H5 target DNA was replaced with non-complementary H7 target DNA. With the demonstrated superior sensing capabilities, this miniaturized CMOS sensing platform shows great potential for label-free point-of-care biosensing applications.
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Affiliation(s)
- Wei-An Lai
- Institute of Electronics Engineering, National Tsing Hua University, Hsinchu 300, Taiwan, ROC
| | - Chih-Heng Lin
- Department of Biological Science and Technology, National Chiao Tung University, Hsinchu 300, Taiwan, ROC
| | - Yuh-Shyong Yang
- Department of Biological Science and Technology, National Chiao Tung University, Hsinchu 300, Taiwan, ROC
| | - Michael S-C Lu
- Department of Electrical Engineering, National Tsing Hua University, Hsinchu 300, Taiwan, ROC; Institute of Electronics Engineering, National Tsing Hua University, Hsinchu 300, Taiwan, ROC; Institute of NanoEngineering and Microsystems, National Tsing Hua University, Hsinchu 300, Taiwan, ROC.
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12
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Lee KH, Lee JO, Choi S, Yoon JB, Cho GH. A CMOS label-free DNA sensor using electrostatic induction of molecular charges. Biosens Bioelectron 2012; 31:343-8. [DOI: 10.1016/j.bios.2011.10.042] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Revised: 10/21/2011] [Accepted: 10/21/2011] [Indexed: 11/26/2022]
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13
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An autonomous CMOS hysteretic sensor for the detection of desorption-free DNA hybridization. Biosens Bioelectron 2011; 26:4591-5. [DOI: 10.1016/j.bios.2011.04.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2011] [Revised: 04/14/2011] [Accepted: 04/21/2011] [Indexed: 11/18/2022]
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14
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Tsouti V, Boutopoulos C, Zergioti I, Chatzandroulis S. Capacitive microsystems for biological sensing. Biosens Bioelectron 2011; 27:1-11. [PMID: 21752630 DOI: 10.1016/j.bios.2011.05.047] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Revised: 05/24/2011] [Accepted: 05/27/2011] [Indexed: 12/12/2022]
Abstract
The growing interest in personalized medicine leads to the need for fast, cheap and portable devices that reveal the genetic profile easily and accurately. To this direction, several ideas to avoid the classical methods of diagnosis and treatment through miniaturized and label-free systems have emerged. Capacitive biosensors address these requirements and thus have the perspective to be used in advanced diagnostic devices that promise early detection of potential fatal conditions. The operation principles, as well as the design and fabrication of several capacitive microsystems for the detection of biomolecular interactions are presented in this review. These systems are micro-membranes based on surface stress changes, interdigitated micro-electrodes and electrode-solution interfaces. Their applications extend to DNA hybridization, protein-ligand binding, antigen-antibody binding, etc. Finally, the limitations and prospects of capacitive microsystems in biological applications are discussed.
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Affiliation(s)
- V Tsouti
- Institute of Microelectronics, NCSR Demokritos, Terma Patriarchou Grigoriou, Agia Paraskevi 15310, Greece.
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