1
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Liu S, Zhang Q, Zhang X, Du C, Chen J, Si S. Real-time monitoring of dephosphorylation process of phosphopeptide and rapid assay of PTP1B activity based on a 100 MHz QCM biosensing platform. Talanta 2024; 277:126399. [PMID: 38876030 DOI: 10.1016/j.talanta.2024.126399] [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: 02/27/2024] [Revised: 06/06/2024] [Accepted: 06/08/2024] [Indexed: 06/16/2024]
Abstract
The misregulation of protein phosphatases is a key factor in the development of many human diseases, notably cancers. Here, based on a 100 MHz quartz crystal microbalance (QCM) biosensing platform, the dephosphorylation process of phosphopeptide (P-peptide) caused by protein tyrosine phosphatase 1B (PTP1B) was monitored in real time for the first time and PTP1B activity was assayed rapidly and sensitively. The QCM chip, coated with a gold (Au) film, was used to immobilized thiol-labeled single-stranded 5'-phosphate-DNAs (P-DNA) through Au-S bond. The P-peptide, specific to PTP1B, was then connected to the P-DNA via chelation between Zr4+ and phosphate groups. When PTP1B was injected into the QCM flow cell where the P-peptide/Zr4+/MCH/P-DNA/Au chip was placed, the P-peptide was dephosphorylated and released from the Au chip surface, resulting in an increase in the frequency of the QCM Au chip. This allowed the real-time monitoring of the P-peptide dephosphorylation process and sensitive detection of PTP1B activity within 6 min with a linear detection range of 0.01-100 pM and a detection limit of 0.008 pM. In addition, the maximum inhibitory ratios of inhibitors were evaluated using this proposed 100 MHz QCM biosensor. The developed 100 MHz QCM biosensing platform shows immense potential for early diagnosis of diseases related to protein phosphatases and the development of drugs targeting protein phosphatases.
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Affiliation(s)
- Shuping Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, PR China
| | - Qingqing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China; School of Material Science and Chemical Engineering, Ningbo University, Ningbo, 315211, PR China.
| | - Xiaohua Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Cuicui Du
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Jinhua Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China.
| | - Shihui Si
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, PR China.
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2
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Zhang Q, Liu S, Zhang X, Du C, Si S, Chen J. A high-frequency QCM biosensing platform for label-free detection of the SARS-CoV-2 spike receptor-binding domain: an aptasensor and an immunosensor. Analyst 2023; 148:719-723. [PMID: 36723047 DOI: 10.1039/d3an00008g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Herein, high-frequency quartz crystal microbalance biosensing platforms were constructed using an aptamer and antibody as bioreceptors for fast and label-free detection of the SARS-CoV-2 RBD.
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Affiliation(s)
- Qingqing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China.
| | - Shuping Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China.
| | - Xiaohua Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China.
| | - Cuicui Du
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China.
| | - Shihui Si
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China.
| | - Jinhua Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China.
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3
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Noi K, Ikenaka K, Mochizuki H, Goto Y, Ogi H. Disaggregation Behavior of Amyloid β Fibrils by Anthocyanins Studied by Total-Internal-Reflection-Fluorescence Microscopy Coupled with a Wireless Quartz-Crystal Microbalance Biosensor. Anal Chem 2021; 93:11176-11183. [PMID: 34351734 DOI: 10.1021/acs.analchem.1c01720] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Amyloid fibrils are formed from various proteins, some of which cause the corresponding neurodegenerative disorders, such as Alzheimer's and Parkinson's diseases. It has been reported that many compounds inhibit the formation of amyloid fibrils. Anthocyanins are flavonoid pigments present in fruits and vegetables, which are known to suppress symptoms related with Alzheimer's disease. However, the influence of anthocyanins on the amyloid fibril remains unclear. Here, we succeeded in the direct monitoring of the disaggregation reaction of single amyloid β (Aβ) fibrils by anthocyanins using total-internal-reflection-fluorescence microscopy with a quartz-crystal microbalance (TIRFM-QCM). It is found that the disassembly activity to the Aβ fibrils depends on the number of hydroxyl groups in six-membered ring B of anthocyanin, and only delphinidin-3-galactoside, possessing three hydroxyl groups there, shows high disassembly activity. Our results show the importance of the number of hydroxyl groups and demonstrate the usefulness of TIRFM-QCM as a powerful tool in studying interactions between amyloid fibrils and compounds.
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Affiliation(s)
- Kentaro Noi
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Kensuke Ikenaka
- Department of Neurology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hideki Mochizuki
- Department of Neurology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yuji Goto
- Global Center for Medical Engineering and Informatics, Osaka University, Suita, Osaka 565-0871, Japan
| | - Hirotsugu Ogi
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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4
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Nakamura N, Kashiuchi K, Ogi H. Multi-mode resistive spectroscopy for precisely controlling morphology of extremely narrow gap palladium nanocluster array. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2021; 92:063901. [PMID: 34243545 DOI: 10.1063/5.0049536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/10/2021] [Indexed: 06/13/2023]
Abstract
During the deposition of a metallic material on a substrate, a nanocluster-array structure with an extremely narrow gap is formed transiently at the transition between isolated clusters and the continuous film. It is known that the nanocluster array shows a unique electrical property different from that of isolated clusters and the continuous film. The electrical property of the nanocluster array changes significantly depending on its morphology, and precise control of the deposition time is indispensable to obtain a desired electrical property. However, the detection of the transition is not straightforward. To overcome this problem, we develop the multi-mode resistive spectroscopy. It evaluates the morphological change during deposition using resonant vibrations of a piezoelectric material and enables the fabrication of nanocluster arrays with a slightly different morphology. Palladium nanocluster arrays with different morphologies are fabricated using this method, and the availability of the multi-mode resistive spectroscopy is demonstrated by evaluating their electrical response to hydrogen gas.
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Affiliation(s)
- N Nakamura
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - K Kashiuchi
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - H Ogi
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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5
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Mobed A, Hasanzadeh M. Biosensing: The best alternative for conventional methods in detection of Alzheimer's disease biomarkers. Int J Biol Macromol 2020; 161:59-71. [PMID: 32504710 DOI: 10.1016/j.ijbiomac.2020.05.257] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 11/29/2022]
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Noi K, Iwata A, Kato F, Ogi H. Ultrahigh-Frequency, Wireless MEMS QCM Biosensor for Direct, Label-Free Detection of Biomarkers in a Large Amount of Contaminants. Anal Chem 2019; 91:9398-9402. [PMID: 31264405 DOI: 10.1021/acs.analchem.9b01414] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Label-free biosensors, including conventional quartz-crystal-microbalance (QCM) biosensors, are seriously affected by nonspecific adsorption of contaminants involved in analyte solution, and it is exceptionally difficult to extract the sensor responses caused only by the targets. In this study, we reveal that this difficulty can be overcome with an ultrahigh-frequency, wireless QCM biosensor. The sensitivity of a QCM biosensor dramatically improves when the quartz resonator is thinned, which also makes the resonance frequency higher, causing high-speed surface movement. Contaminants weakly (nonspecifically) interact with the quartz surface, but they fail to follow the fast surface movement and cannot be detected as the loaded mass. The targets are, however, tightly captured by the receptor proteins immobilized on the surface, and they can move with the surface, contributing to the loaded mass and decreasing the resonant frequency. We have developed a MEMS QCM biosensor in which an AT-cut quartz resonator, 26 μm thick, is packaged without fixing, and we demonstrate this phenomenon by comparing the frequency changes of the fundamental (∼64 MHz) and ninth (∼576 MHz) modes. At ultrahigh-frequency operation with the ninth mode, the sensor response is independent of the amount of impurity proteins, and the binding affinity is unchanged. We then applied this method to the label-free and sandwich-free, direct detection of C-reactive protein (CRP) in serum and confirmed its applicability.
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Affiliation(s)
- Kentaro Noi
- Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan
| | - Arihiro Iwata
- Graduate School of Engineering Science , Osaka University , Toyonaka , Osaka 560-8531 , Japan
| | - Fumihito Kato
- Department of Mechanical Engineering , Nippon Institute of Technology , Saitama 345-8501 , Japan
| | - Hirotsugu Ogi
- Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan
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7
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Li Z, Askim JR, Suslick KS. The Optoelectronic Nose: Colorimetric and Fluorometric Sensor Arrays. Chem Rev 2018; 119:231-292. [DOI: 10.1021/acs.chemrev.8b00226] [Citation(s) in RCA: 476] [Impact Index Per Article: 79.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zheng Li
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Jon R. Askim
- National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Kenneth S. Suslick
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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A Noncontact Dibutyl Phthalate Sensor Based on a Wireless-Electrodeless QCM-D Modified with Nano-Structured Nickel Hydroxide. SENSORS 2017; 17:s17071681. [PMID: 28753974 PMCID: PMC5539705 DOI: 10.3390/s17071681] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 07/15/2017] [Accepted: 07/19/2017] [Indexed: 01/28/2023]
Abstract
Dibutyl phthalate (DBP) is a widely used plasticizer which has been found to be a reproductive and developmental toxicant and ubiquitously existing in the air. A highly sensitive method for DBP monitoring in the environment is urgently needed. A DBP sensor based on a homemade wireless-electrodeless quartz crystal microbalance with dissipation (QCM-D) coated with nano-structured nickel hydroxide is presented. With the noncontact configuration, the sensing system could work at a higher resonance frequency (the 3rd overtone) and the response of the system was even more stable compared with a conventional quartz crystal microbalance (QCM). The sensor achieved a sensitivity of 7.3 Hz/ppb to DBP in a concentration range of 0.4–40 ppb and an ultra-low detection limit of 0.4 ppb of DBP has also been achieved.
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9
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Analysis and Validation of Contactless Time-Gated Interrogation Technique for Quartz Resonator Sensors. SENSORS 2017; 17:s17061264. [PMID: 28574459 PMCID: PMC5492439 DOI: 10.3390/s17061264] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 05/18/2017] [Accepted: 05/25/2017] [Indexed: 11/20/2022]
Abstract
A technique for contactless electromagnetic interrogation of AT-cut quartz piezoelectric resonator sensors is proposed based on a primary coil electromagnetically air-coupled to a secondary coil connected to the electrodes of the resonator. The interrogation technique periodically switches between interleaved excitation and detection phases. During the excitation phase, the resonator is set into vibration by a driving voltage applied to the primary coil, whereas in the detection phase, the excitation signal is turned off and the transient decaying response of the resonator is sensed without contact by measuring the voltage induced back across the primary coil. This approach ensures that the readout frequency of the sensor signal is to a first order approximation independent of the interrogation distance between the primary and secondary coils. A detailed theoretical analysis of the interrogation principle based on a lumped-element equivalent circuit is presented. The analysis has been experimentally validated on a 4.432 MHz AT-cut quartz crystal resonator, demonstrating the accurate readout of the series resonant frequency and quality factor over an interrogation distance of up to 2 cm. As an application, the technique has been applied to the measurement of liquid microdroplets deposited on a 4.8 MHz AT-cut quartz crystal. More generally, the proposed technique can be exploited for the measurement of any physical or chemical quantities affecting the resonant response of quartz resonator sensors.
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10
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Nakajima K, So M, Takahashi K, Tagawa YI, Hirao M, Goto Y, Ogi H. Optimized Ultrasonic Irradiation Finds Out Ultrastable Aβ1–40 Oligomers. J Phys Chem B 2017; 121:2603-2613. [DOI: 10.1021/acs.jpcb.7b01409] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kichitaro Nakajima
- Graduate
School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Masatomo So
- Institute
for Protein Research, Osaka University, Suita, Osaka 565-0871, Japan
| | - Kazuma Takahashi
- School
of Life Science and Technology, Tokyo Institute of Technology, 4259 B51, Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Yoh-ichi Tagawa
- School
of Life Science and Technology, Tokyo Institute of Technology, 4259 B51, Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Masahiko Hirao
- Graduate
School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yuji Goto
- Institute
for Protein Research, Osaka University, Suita, Osaka 565-0871, Japan
| | - Hirotsugu Ogi
- Graduate
School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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11
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OGI H. Wireless-electrodeless quartz-crystal-microbalance biosensors for studying interactions among biomolecules: a review. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2013; 89:401-17. [PMID: 24213205 PMCID: PMC3865356 DOI: 10.2183/pjab.89.401] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Accepted: 09/02/2013] [Indexed: 05/24/2023]
Abstract
The mass sensitivity of quartz-crystal microbalance (QCM) was drastically improved by removing electrodes and wires attached on the quartz surfaces. Instead of wire connections, intended vibrations of quartz oscillators were excited and detected by antennas through electromagnetic waves. This noncontacting measurement is the key for ultrahigh-sensitive detection of proteins in liquids as well as quantitative measurements. This review shows the principle of wireless QCMs, their applications to studying interactions among biomolecules and aggregation reactions of amyloid β peptides, and the next-generation MEMS QCM, the resonance acoustic microbalance with naked embedded quartz (RAMNE-Q).
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Affiliation(s)
- Hirotsugu OGI
- Graduate School of Engineering, Osaka University, Osaka, Japan
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12
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Potyrailo RA, Nagraj N, Tang Z, Mondello FJ, Surman C, Morris W. Battery-free radio frequency identification (RFID) sensors for food quality and safety. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:8535-43. [PMID: 22881825 PMCID: PMC3434321 DOI: 10.1021/jf302416y] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Market demands for new sensors for food quality and safety stimulate the development of new sensing technologies that can provide an unobtrusive sensor form, battery-free operation, and minimal sensor cost. Intelligent labeling of food products to indicate and report their freshness and other conditions is one important possible application of such new sensors. This study applied passive (battery-free) radio frequency identification (RFID) sensors for the highly sensitive and selective detection of food freshness and bacterial growth. In these sensors, the electric field generated in the RFID sensor antenna extends from the plane of the RFID sensor and is affected by the ambient environment, providing the opportunity for sensing. This environment may be in the form of a food sample within the electric field of the sensing region or a sensing film deposited onto the sensor antenna. Examples of applications include monitoring of milk freshness, fish freshness, and bacterial growth in a solution. Unlike other food freshness monitoring approaches that require a thin film battery for operation of an RFID sensor and fabrication of custom-made sensors, the passive RFID sensing approach developed here combines the advantages of both battery-free and cost-effective sensor design and offers response selectivity that is impossible to achieve with other individual sensors.
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13
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Nakamura N, Sakamoto M, Ogi H, Hirao M. Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2012; 83:073901. [PMID: 22852698 DOI: 10.1063/1.4731657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A method for measuring elastic constants of piezoelectric materials at high temperature up to 1224 K is proposed. It determines all independent elastic constants by measuring resonance frequencies of a rectangular parallelepiped piezoelectric specimen contactlessly using its own piezoelectricity with an antenna. Without using conventional contacting piezoelectric transducers, vibrational sources are excited directly in the specimen by the oscillating electric field. Capability of the method is demonstrated by measuring the elastic constants of langasite at high temperature up to 1224 K, and temperature coefficients of the elastic constants are determined. In addition, elastic constants of alpha quartz are measured at high temperature up to just below the alpha-beta phase transition temperature. Considering the local deformation with temperature increment, an interpretation based on the strain energy reduction is proposed for the unusual temperature dependence of C(66). Furthermore, the internal-friction tensor is measured, and the relationship between the observed anisotropy in internal friction and the structural evolution with temperature increment is discussed.
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Affiliation(s)
- N Nakamura
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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14
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Kato F, Ogi H, Yanagida T, Nishikawa S, Hirao M, Nishiyama M. Resonance acoustic microbalance with naked-embedded quartz (RAMNE-Q) biosensor fabricated by microelectromechanical-system process. Biosens Bioelectron 2012; 33:139-45. [DOI: 10.1016/j.bios.2011.12.047] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Revised: 12/18/2011] [Accepted: 12/23/2011] [Indexed: 11/25/2022]
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15
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Reviakine I, Johannsmann D, Richter RP. Hearing what you cannot see and visualizing what you hear: interpreting quartz crystal microbalance data from solvated interfaces. Anal Chem 2011; 83:8838-48. [PMID: 21939220 DOI: 10.1021/ac201778h] [Citation(s) in RCA: 523] [Impact Index Per Article: 40.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Over the last 2 decades, the quartz crystal microbalance (QCM or QCM-D) has emerged as a versatile tool for investigating soft and solvated interfaces between solid surfaces and bulk liquids because it can provide a wealth of information about key structural and functional parameters of these interfaces. In this Feature, we offer QCM users a set of guidelines for interpretation and quantitative analysis of QCM data based on a synthesis of well-established concepts rooted in rheological research of the last century and of new results obtained in the last several years.
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Affiliation(s)
- Ilya Reviakine
- Biosurfaces Unit, CIC biomaGUNE, Paseo Miramon 182, 20009 Donostia-San Sebastian, Spain.
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16
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Becker B, Cooper MA. A survey of the 2006-2009 quartz crystal microbalance biosensor literature. J Mol Recognit 2011; 24:754-87. [DOI: 10.1002/jmr.1117] [Citation(s) in RCA: 138] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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17
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Ogi H, Fukunishi Y, Yanagida T, Yagi H, Goto Y, Fukushima M, Uesugi K, Hirao M. Seed-dependent deposition behavior of Aβ peptides studied with wireless quartz-crystal-microbalance biosensor. Anal Chem 2011; 83:4982-8. [PMID: 21557621 DOI: 10.1021/ac2007703] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Real-time monitoring of the deposition processes of Aβ1-40 and Aβ1-42 peptides on various seeds has been performed using a 55 MHz wireless quartz-crystal microbalance (QCM) over long-time periods (~40 h). Dissolved peptide solutions were stirred for nucleation and growth of seeds at pH = 7.4 and 4.6, which were immobilized on the sensor chips. The isolated Aβ peptides were then flowed at the neutral pH, focusing on the interaction between the seeds and the monomers (or small multimers), excluding other interactions among seeds and other aggregates. The thioflavin-T fluorescence assay and atomic-force microscopy were used for evaluating structures of the seeds and deposited aggregates. The deposition rate, determined by the frequency decrease, is about 100 monomers/nm(2)/year in the case of fibril formation. The notable deposition behavior was observed in the deposition of Aβ1-40 peptide on Aβ1-42 seeds grown at the lower pH, which can be an important model for Alzheimer's disease.
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Affiliation(s)
- Hirotsugu Ogi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan.
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18
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Ogi H, Nagai H, Fukunishi Y, Yanagida T, Hirao M, Nishiyama M. Multichannel Wireless-Electrodeless Quartz-Crystal Microbalance Immunosensor. Anal Chem 2010; 82:3957-62. [DOI: 10.1021/ac100527r] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Hirotsugu Ogi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan, and PRESTO, JST. 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Hironao Nagai
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan, and PRESTO, JST. 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Yuji Fukunishi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan, and PRESTO, JST. 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Taiji Yanagida
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan, and PRESTO, JST. 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Masahiko Hirao
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan, and PRESTO, JST. 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Masayoshi Nishiyama
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan, and PRESTO, JST. 4-1-8 Honcho, Kawaguchi, Saitama, Japan
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19
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Ogi H, Naga H, Fukunishi Y, Hirao M, Nishiyama M. 170-MHz Electrodeless Quartz Crystal Microbalance Biosensor: Capability and Limitation of Higher Frequency Measurement. Anal Chem 2009; 81:8068-73. [DOI: 10.1021/ac901267b] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hirotsugu Ogi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan
| | - Hironao Naga
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan
| | - Yuji Fukunishi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan
| | - Masahiko Hirao
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan
| | - Masayoshi Nishiyama
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan, and Central Workshop, Osaka University, Machikaneyama 1-2, Toyonaka, Osaka 560-0043, Japan
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20
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Ogi H, Okamoto K, Nagai H, Fukunishi Y, Hirao M. Replacement-Free Electrodeless Quartz Crystal Microbalance Biosensor Using Nonspecific-Adsorption of Streptavidin on Quartz. Anal Chem 2009; 81:4015-20. [DOI: 10.1021/ac9004524] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hirotsugu Ogi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan and PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Ken Okamoto
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan and PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Hironao Nagai
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan and PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Yuji Fukunishi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan and PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama, Japan
| | - Masahiko Hirao
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan and PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama, Japan
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21
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Ogi H, Fukunishi Y, Nagai H, Okamoto K, Hirao M, Nishiyama M. Nonspecific-adsorption behavior of polyethylenglycol and bovine serum albumin studied by 55-MHz wireless-electrodeless quartz crystal microbalance. Biosens Bioelectron 2009; 24:3148-52. [PMID: 19394213 DOI: 10.1016/j.bios.2009.03.035] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2009] [Revised: 03/09/2009] [Accepted: 03/25/2009] [Indexed: 11/26/2022]
Abstract
The nonspecific binding ability of polyethylenglycol (PEG) and bovine serum albumin (BSA) on modified and unmodified surfaces is quantitatively studied by a wireless-electrodeless quartz crystal microbalance (WE-QCM). PEG and BSA are important blocking materials in biosensors, but their affinities for proteins and uncoated substrates have not been known quantitatively. The WE-QCM allows quantitative analysis of the adsorption behavior of proteins on the electrodeless surfaces. Affinities of PEG, BSA, human immunoglobulin G (hIgG), and Staphylococcus protein A (SPA) for alpha-SiO(2)(quartz), Au thin film, PEG, and BSA are systematically studied by the homebuilt flow-injection system. PEG shows low affinities for the SiO(2) surface (K(A)=4.2x10(4) M(-1)) and the Au surface (K(A)=6.6x10(4) M(-1)), but BSA shows higher affinity for the SiO(2) surface (K(A)=1.4x10(6) M(-1)). Both PEG and BSA show low affinities for hIgG (K(A) approximately 1.5x10(5) M(-1)). However, the number of binding sites of PEG to hIgG is significantly larger than that of BSA, indicating that blocking for hIgG is favorably achieved by BSA, rather than PEG.
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Affiliation(s)
- Hirotsugu Ogi
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, Japan.
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22
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User-friendly, miniature biosensor flow cell for fragile high fundamental frequency quartz crystal resonators. Biosens Bioelectron 2009; 24:2643-8. [PMID: 19231152 DOI: 10.1016/j.bios.2009.01.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2008] [Revised: 12/23/2008] [Accepted: 01/19/2009] [Indexed: 11/21/2022]
Abstract
For the application of high fundamental frequency (HFF) quartz crystal resonators as ultra sensitive acoustic biosensors, a tailor-made quartz crystal microbalance (QCM) flow cell has been fabricated and tested. The cell permits an equally fast and easy installation and replacement of small and fragile HFF sensors. Usability and simple fabrication are two central features of the HFF-QCM flow cell. Mechanical, thermal, electrical and chemical requirements are considered. The design of the cell combines these, partially contradictory, requirements within a simple device. Central design concepts are discussed and a brief description of the fabrication, with a special focus on the preparation of crucial parts, is provided. For test measurements, the cell was equipped with a standard 50 MHz HFF resonator which had been surface-functionalised with a self-assembled monolayer of 1-octadecanethiol. The reliable performance is demonstrated with two types of experiments: the real time monitoring of phospholipid monolayer formation and its removal with detergent, as well as step-wise growth of a protein multilayer system by an alternating immobilisation of streptavidin and biotinylated immunoglobulin G.
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23
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Sun H, Choy T, Zhu D, Yam W, Fung Y. Nano-silver-modified PQC/DNA biosensor for detecting E. coli in environmental water. Biosens Bioelectron 2009; 24:1405-10. [DOI: 10.1016/j.bios.2008.08.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2008] [Revised: 07/24/2008] [Accepted: 08/05/2008] [Indexed: 02/07/2023]
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24
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Ogi H, Fukunishi Y, Omori T, Hatanaka K, Hirao M, Nishiyama M. Effects of flow rate on sensitivity and affinity in flow injection biosensor systems studied by 55-MHz wireless quartz crystal microbalance. Anal Chem 2008; 80:5494-500. [PMID: 18553940 DOI: 10.1021/ac800459g] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this paper, we developed a 55-MHz wireless-electrodeless quartz crystal microbalance (QCM) and systematically studied the effects of flow rate on the sensitivity to the detection of proteins and on the affinity between biomolecules evaluated by the flow injection system. Brownian motion of proteins in liquid suggests a low probability of meeting, and the convection effect plays an important role in the sensitivity and the affinity in the flow cell injection system. The wireless quartz crystal was isolated in the QCM cell, and flow rates between 50 and 1000 microL/min were used for monitoring binding reactions between human immunoglobulin G and Staphylococcus aureus protein A. The sensitivity was significantly increased as the flow rate increased, while the affinity value remained unchanged. However, the affinity value was affected by the reaction time for a large-concentration analyte, indicating the need of a high-sensitivity biosensor system for accurate evaluation of affinity. The electrode effect on the QCM sensitivity was also theoretically investigated, showing that the electrode significantly deteriorates the QCM sensitivity and makes the Sauerbrey equation invalid.
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Affiliation(s)
- Hirotsugu Ogi
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan.
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25
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Ogi H, Inoue T, Nagai H, Hirao M. Quantitative imaging of Young's modulus of solids: a contact-mechanics study. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2008; 79:053701. [PMID: 18513069 DOI: 10.1063/1.2908437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We developed equipment and methods for measuring quantitatively the local Young's modulus of solids. It consists of an electrodeless langasite oscillator and line antennas, and oscillator vibrations are generated and detected contactlessly. A constant biasing force results from oscillator mass and is independent of surface roughness. The effect of material anisotropy on the measured stiffness is theoretically discussed for studying the limitation of the quantitative measurement. The microscopy has been applied to polycrystalline copper, and the measured modulus is compared to calculations based on electron-backscatter-diffraction measurements. Also, we applied it to a duplex stainless steel and an embedded silicon-carbide fiber. The results reveal textured regions, defects with high sensitivity, and even stiffness distribution in a single grain.
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Affiliation(s)
- H Ogi
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan.
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26
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Hirst ER, Yuan YJ, Xu WL, Bronlund JE. Bond-rupture immunosensors--a review. Biosens Bioelectron 2008; 23:1759-68. [PMID: 18343101 DOI: 10.1016/j.bios.2008.02.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2007] [Revised: 01/14/2008] [Accepted: 02/06/2008] [Indexed: 10/22/2022]
Abstract
It has long been the goal of researchers to develop fast and reliable point-of-care alternatives to existing lab-based tests. A viable point-of-care biosensor is fast, reliable, simple, cost-effective, and detects low concentrations of the target analyte. The target of biosensors is biological such as bacteria or virus and as such, the antibody-antigen bond derived from the real immune response is used. Biosensor applications include lab-based tests for the purposes of diagnostics, drug discovery, and research. Additional applications include environmental, food, and agricultural monitoring. The main merits of the bond-rupture method are quick, simple, and capable of discriminating between specific and non-specific interactions. The separation of specific and non-specific bonds is important for working in real-life complex serums such as blood. The bond-rupture technique can provide both qualitative results, the detection of a target, and quantitative results, the concentration of target. Bond-rupture achieves this by a label-free method requiring no pre-processing of the analyte. A piezoelectric transducer such as the quartz crystal microbalance (QCM) shakes the bound particles free from the surface. Other transducers such as Surface Acoustic Wave (SAW) are also considered. The rupture of the bonds is detected as electronic noise. This review article links diverse research areas to build a picture of a field still in development.
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Affiliation(s)
- Evan R Hirst
- Industrial Research Limited, Crown Research Institutes, 69 Gracefield Road, PO Box 31-310, Lower Hutt, New Zealand.
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Ferreira GNM, Encarnação JM, Rosa L, Rodrigues R, Breyner R, Barrento S, Pedro L, Aires da Silva F, Gonçalves J. Recombinant single-chain variable fragment and single domain antibody piezoimmunosensors for detection of HIV1 virion infectivity factor. Biosens Bioelectron 2007; 23:384-92. [PMID: 17574408 DOI: 10.1016/j.bios.2007.04.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2007] [Revised: 04/27/2007] [Accepted: 04/27/2007] [Indexed: 11/29/2022]
Abstract
In this paper recombinant single-chain fragments (scFv-4BL), and single domain antibodies (4BL-V(H)) and (4BL-V(H)D) generated against HIV1 virion infectivity factor (Vif) are used to develop piezoimmunosensors for HIV1 recognition. Mixed self assembled monolayers were generated at the surface of gold coated crystal sensors to which scFv-4BL, 4BL-V(H), or 4BL-V(H)D were immobilized. Impedance analysis was used to discriminate interfering signals from frequency variation data and to increase the sensor sensitivity. The elimination of interfering signals enabled the quantification of the amount of immobilized protein and gave some indication on the viscoelasticity of immobilized biofilms. All the modified sensors were able to specifically recognize HIV1 Vif in liquid samples. The results indicate that lower sensitivities are obtained with 4BL-V(H) single domain antibodies, possibly due to its higher hydrophobic character. The sensitivity obtained when using scFv-4BL was reestablished when using the more hydrophilic 4BL-V(H)D single domain. 4BL-V(H)D piezoimunosensors were effective in recognizing HIV1 Vif from protein mixtures and from cell extracts of human embryonic kidney cells expressing HIV1 Vif. The results presented in this paper demonstrate the potential applicability of the developed piezoimmunosensors to monitor HIV1 infection evolution.
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Affiliation(s)
- Guilherme N M Ferreira
- IBB-Institute for Biotechnology and Bioengineering, Centro de Biomedicina Molecular e Estrutural, Universidade do Algarve, 8000 Faro, Portugal.
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28
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Ogi H, Motohisa K, Hatanaka K, Ohmori T, Hirao M, Nishiyama M. Concentration dependence of IgG-protein A affinity studied by wireless-electrodeless QCM. Biosens Bioelectron 2007; 22:3238-42. [PMID: 17420120 DOI: 10.1016/j.bios.2007.03.003] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2006] [Revised: 02/09/2007] [Accepted: 03/02/2007] [Indexed: 11/30/2022]
Abstract
The binding affinity between human immunoglobulin G (IgG) and protein A was studied by the homebuilt wireless-electrodeless quartz crystal microbalance (QCM). Protein A was immobilized on the electrodeless AT-cut quartz plate of 0.05 mm thick and its fundamental resonance frequency near 34 MHz was measured by a noncontacting manner using a line antenna. The vibrational analysis was performed to ensure higher sensitivity of the electrodeless QCM. A flow-cell system was fabricated to continuously measure the resonance frequency during the injection sequence of the IgG solutions with concentrations of 1-20,000 ng/mL. The exponential frequency changes were recorded to determine the affinity based on the Langmuir kinetics. The equilibrium constant K(A) significantly varied between 6 x 10(6) and 6 x 10(10) M(-1), depending on the IgG concentration, which is attributed to various formations of IgG-protein A complexes.
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Affiliation(s)
- Hirotsugu Ogi
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka 560-8531, Japan.
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