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Xiao X, Yuan C, Li T, Fock J, Svedlindh P, Tian B. Optomagnetic biosensors: Volumetric sensing based on magnetic actuation-induced optical modulations. Biosens Bioelectron 2022; 215:114560. [PMID: 35841765 DOI: 10.1016/j.bios.2022.114560] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 04/25/2022] [Accepted: 07/07/2022] [Indexed: 12/19/2022]
Abstract
In comparison to alternative nanomaterials, magnetic micron/nano-sized particles show unique advantages, e.g., easy manipulation, stable signal, and high contrast. By applying magnetic actuation, magnetic particles exert forces on target objects for highly selective operation even in non-purified samples. We herein describe a subgroup of magnetic biosensors, namely optomagnetic biosensors, which employ alternating magnetic fields to generate periodic movements of magnetic labels. The optical modulation induced by the dynamics of magnetic labels is then analyzed by photodetectors, providing information of, e.g., hydrodynamic size changes of the magnetic labels. Optomagnetic sensing mechanisms can suppress the noise (by performing lock-in detection), accelerate the reaction (by magnetic force-enhanced molecular collision), and facilitate homogeneous/volumetric detection. Moreover, optomagnetic sensing can be performed using a low magnetic field (<10 mT) without sophisticated light sources or pickup coils, further enhancing its applicability for point-of-care tests. This review concentrates on optomagnetic biosensing techniques of different concepts classified by the magnetic actuation strategy, i.e., magnetic field-enhanced agglutination, rotating magnetic field-based particle rotation, and oscillating magnetic field-induced Brownian relaxation. Optomagnetic sensing principles applied with different actuation strategies are introduced as well. For each representative optomagnetic biosensor, a simple immunoassay strategy-based application is introduced (if possible) for methodological comparison. Thereafter, challenges and perspectives are discussed, including minimization of nonspecific binding, on-chip integration, and multiplex detection, all of which are key requirements in point-of-care diagnostics.
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Affiliation(s)
- Xiaozhou Xiao
- Department of Biomedical Engineering, School of Basic Medical Science, Central South University, Changsha Hunan, 410013, China
| | - Chuqi Yuan
- Department of Biomedical Engineering, School of Basic Medical Science, Central South University, Changsha Hunan, 410013, China
| | - Tingting Li
- Department of Biomedical Engineering, School of Basic Medical Science, Central South University, Changsha Hunan, 410013, China
| | - Jeppe Fock
- Blusense Diagnostics ApS, Fruebjergvej 3, DK-2100, Copenhagen, Denmark
| | - Peter Svedlindh
- Department of Materials Science and Engineering, Uppsala University, Box 35, SE-751 03, Uppsala, Sweden
| | - Bo Tian
- Department of Biomedical Engineering, School of Basic Medical Science, Central South University, Changsha Hunan, 410013, China.
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Ozen MO, Sridhar K, Ogut MG, Shanmugam A, Avadhani AS, Kobayashi Y, Wu JC, Haddad F, Demirci U. Total Microfluidic chip for Multiplexed diagnostics (ToMMx). Biosens Bioelectron 2020; 150:111930. [DOI: 10.1016/j.bios.2019.111930] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/12/2019] [Accepted: 11/25/2019] [Indexed: 10/25/2022]
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Zhang Y, Si X, Zhang M, Yang X, Yuan H, Wang X, Zhang Y, Wang H. Rapid Colorimetric Determination of Procalcitonin Using Magnetic Separation and Enzymatic Catalysis. ANAL LETT 2018. [DOI: 10.1080/00032719.2018.1482312] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yun Zhang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xiaohui Si
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Miaomiao Zhang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xue Yang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Huan Yuan
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xiangpeng Wang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Yang Zhang
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong, China
| | - Hui Wang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
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Piloto AM, Ribeiro DSM, Rodrigues SSM, Santos C, Santos JLM, Sales MGF. Plastic antibodies tailored on quantum dots for an optical detection of myoglobin down to the femtomolar range. Sci Rep 2018; 8:4944. [PMID: 29563532 PMCID: PMC5862838 DOI: 10.1038/s41598-018-23271-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 03/06/2018] [Indexed: 12/12/2022] Open
Abstract
A highly sensitive fluorescence detection probe was developed by tailoring plastic antibodies on the external surface of aqueous soluble quantum dots (QDs). The target was Myoglobin (Myo), a cardiac biomarker that quenched the intrinsic fluorescent emission of cadmium telluride (CdTe) QDs capped with mercaptopropionic acid (CdTe-MPA-QDs). The QDs were incubated with the target protein and further modified with a molecularly-imprinted polymer (MIP) produced by radical polymerization of acrylamide and bisacrylamide. The main physical features of the materials were assessed by electron microscopy, dynamic light scattering (DLS), UV/Vis spectrophotometry and spectrofluorimetry. The plastic antibodies enabled Myo rebinding into the QDs with subsequent fluorescence quenching. This QD-probe could detect Myo concentrations from 0.304 to 571 pg/ml (50.6 fM to 95 pM), with a limit of detection of 0.045 pg/ml (7.6 fM). The proposed method was applied to the determination of Myo concentrations in synthetic human serum. The results obtained demonstrated the ability of the modified-QDs to determine Myo below the cut-off values of myocardial infarction. Overall, the nanostructured MIP-QDs reported herein displayed quick responses, good stability and sensitivity, and high selectivity for Myo, offering the potential to be explored as new emerging sensors for protein detection in human samples.
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Affiliation(s)
- Ana Margarida Piloto
- BioMark/ISEP, School of Engineering of the Polytechnic Institute of Porto, Porto, Portugal
| | - David S M Ribeiro
- LAQV/REQUIMTE, Faculty of Pharmacy of Porto University, Porto, Portugal
| | | | - Catarina Santos
- EST Setúbal, CDP2T, Instituto Politécnico de Setúbal, Setúbal, Portugal
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - João L M Santos
- LAQV/REQUIMTE, Faculty of Pharmacy of Porto University, Porto, Portugal
| | - M Goreti F Sales
- BioMark/ISEP, School of Engineering of the Polytechnic Institute of Porto, Porto, Portugal.
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Hoy CFO, Kushiro K, Takai M. Fabrication and assessment of an electrospun polymeric microfiber-based platform under bulk flow conditions with rapid and efficient antigen capture. Analyst 2018; 143:865-873. [DOI: 10.1039/c7an01366c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A sensitive and rapid membrane capable of antigen capture in 5 seconds compared to a conventional method in 60 minutes.
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Affiliation(s)
- Carlton F. O. Hoy
- Department of Bioengineering
- School of Engineering
- The University of Tokyo
- Tokyo
- Japan
| | - Keiichiro Kushiro
- Department of Bioengineering
- School of Engineering
- The University of Tokyo
- Tokyo
- Japan
| | - Madoka Takai
- Department of Bioengineering
- School of Engineering
- The University of Tokyo
- Tokyo
- Japan
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KC P, Liu F, Zhe J, Zhang G. Development and Comparison of Two Immuno-disaggregation Based Bioassays for Cell Secretome Analysis. Am J Cancer Res 2018; 8:328-340. [PMID: 29290811 PMCID: PMC5743551 DOI: 10.7150/thno.21917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 10/17/2017] [Indexed: 01/09/2023] Open
Abstract
Cell secretome analysis has gained increasing attention towards the development of effective strategies for disease treatment. Analysis of cell secretome enables the platform to monitor the status of disease progression, facilitating therapeutic outcomes. However, cell secretome analysis is very challenging due to its versatile and dynamic composition. Here, we report the development of two immuno-disaggregation bioassays using functionalized microparticles for the quantitative analysis of the cell secretome. Methods: We evaluated the feasibility of our developed immuno-disaggregation bioassays using antibody-conjugated MPs and protein-conjugated MPs for the detection of target cell secretome protein. The vascular endothelial growth factor (VEGF)-165 protein was tested as a model cell secretome protein in the serum and serum-free conditions. The status of MP aggregates was examined with a light microscopy and AccuSizerTM 780 Optical Particle Sizer. The accuracy of our bioassays measurement was compared with standard ELISA method. Results: The developed bioassays successfully detected target VEGF protein present in serum-free buffer and serum-containing complete cell culture medium with high sensitivity and specificity. Additionally, the immuno-disaggregation bioassays using antibody-conjugated MPs and protein-conjugated MPs have a wide detection range from 0.01 ng/mL to 100 ng/mL and 0.5 ng/mL to 100 ng/mL, respectively. The sensitivity of the bioassay using antibody-conjugated MPs was approximately one order of magnitude higher than the bioassay using protein-conjugated MPs. Conclusion: Our promising results indicate the potential of the developed bioassays as powerful platforms for the quantitative analysis of cell secretome.
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Biofluid pretreatment using gradient insulator-based dielectrophoresis: separating cells from biomarkers. Anal Bioanal Chem 2017; 409:6405-6414. [DOI: 10.1007/s00216-017-0582-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 07/28/2017] [Accepted: 08/11/2017] [Indexed: 11/26/2022]
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Schrittwieser S, Pelaz B, Parak WJ, Lentijo-Mozo S, Soulantica K, Dieckhoff J, Ludwig F, Guenther A, Tschöpe A, Schotter J. Homogeneous Biosensing Based on Magnetic Particle Labels. SENSORS 2016; 16:s16060828. [PMID: 27275824 PMCID: PMC4934254 DOI: 10.3390/s16060828] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 05/30/2016] [Accepted: 06/01/2016] [Indexed: 12/17/2022]
Abstract
The growing availability of biomarker panels for molecular diagnostics is leading to an increasing need for fast and sensitive biosensing technologies that are applicable to point-of-care testing. In that regard, homogeneous measurement principles are especially relevant as they usually do not require extensive sample preparation procedures, thus reducing the total analysis time and maximizing ease-of-use. In this review, we focus on homogeneous biosensors for the in vitro detection of biomarkers. Within this broad range of biosensors, we concentrate on methods that apply magnetic particle labels. The advantage of such methods lies in the added possibility to manipulate the particle labels by applied magnetic fields, which can be exploited, for example, to decrease incubation times or to enhance the signal-to-noise-ratio of the measurement signal by applying frequency-selective detection. In our review, we discriminate the corresponding methods based on the nature of the acquired measurement signal, which can either be based on magnetic or optical detection. The underlying measurement principles of the different techniques are discussed, and biosensing examples for all techniques are reported, thereby demonstrating the broad applicability of homogeneous in vitro biosensing based on magnetic particle label actuation.
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Affiliation(s)
- Stefan Schrittwieser
- Molecular Diagnostics, AIT Austrian Institute of Technology, Vienna1220, Austria.
| | - Beatriz Pelaz
- Fachbereich Physik, Philipps-Universität Marburg, Marburg 35037, Germany.
| | - Wolfgang J Parak
- Fachbereich Physik, Philipps-Universität Marburg, Marburg 35037, Germany.
| | - Sergio Lentijo-Mozo
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), Université de Toulouse, INSA, UPS, CNRS, Toulouse 31077, France.
| | - Katerina Soulantica
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), Université de Toulouse, INSA, UPS, CNRS, Toulouse 31077, France.
| | - Jan Dieckhoff
- Institute of Electrical Measurement and Fundamental Electrical Engineering, TU Braunschweig, Braunschweig 38106, Germany.
| | - Frank Ludwig
- Institute of Electrical Measurement and Fundamental Electrical Engineering, TU Braunschweig, Braunschweig 38106, Germany.
| | - Annegret Guenther
- Experimentalphysik, Universität des Saarlandes, Saarbrücken 66123, Germany.
| | - Andreas Tschöpe
- Experimentalphysik, Universität des Saarlandes, Saarbrücken 66123, Germany.
| | - Joerg Schotter
- Molecular Diagnostics, AIT Austrian Institute of Technology, Vienna1220, Austria.
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