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Young JAH, Liu X, Porter E, Sweet H, Wang W, Evans AF, Zhang C, Obeid KM. Daily Fungal Cell-Free DNA Testing to Assess Clinical Status during Candida krusei Fungemia. J Fungi (Basel) 2024; 10:449. [PMID: 39057334 PMCID: PMC11278359 DOI: 10.3390/jof10070449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/18/2024] [Accepted: 06/21/2024] [Indexed: 07/28/2024] Open
Abstract
We present a case of a man immunocompromised due to myelodysplastic syndrome with Candida krusei fungemia who had a rising cell-free DNA (cfDNA) giant magnetoresistance (GMR) signal when tested daily using plasma blood samples. With the rise in GMR signal paralleling the development of skin lesions in this patient, we conclude that cfDNA can be used to indicate uncontrolled infection and thus help monitor response to therapy. This index patient provides evidence that an invasive fungal infection requires both direct antifungal therapy and an intact immune system to control the infection. This biosensing platform has been simplified to potentially serve as a point-of-care test, setting it apart by overcoming the three common barriers of cfDNA testing: complexity, cost, and time.
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Affiliation(s)
- Jo-Anne H. Young
- Division of Infectious Disease and International Medicine, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Xiaoying Liu
- Zepto Life Technology, Inc., Saint Paul, MN 55114, USA
| | - Emma Porter
- Zepto Life Technology, Inc., Saint Paul, MN 55114, USA
| | - Hannah Sweet
- Zepto Life Technology, Inc., Saint Paul, MN 55114, USA
| | - Wei Wang
- Zepto Life Technology, Inc., Saint Paul, MN 55114, USA
| | | | - Chi Zhang
- Zepto Life Technology, Inc., Saint Paul, MN 55114, USA
| | - Karam M. Obeid
- Division of Infectious Disease and International Medicine, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA;
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Im J, Kim S, Park S, Wang SX, Lee JR. Evaluation of restriction and Cas endonuclease kinetics using matrix-insensitive magnetic biosensors. Biosens Bioelectron 2024; 249:116017. [PMID: 38262299 PMCID: PMC10867820 DOI: 10.1016/j.bios.2024.116017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/02/2024] [Accepted: 01/07/2024] [Indexed: 01/25/2024]
Abstract
The enzymatic actions of endonucleases in vivo can be altered due to bound substrates and differences in local environments, including enzyme concentration, pH, salinity, ionic strength, and temperature. Thus, accurate estimation of enzymatic reactions in vivo using matrix-dependent methods in solution can be challenging. Here, we report a matrix-insensitive magnetic biosensing platform that enables the measurement of endonuclease activity under different conditions with varying pH, salinity, ionic strength, and temperature. Using biosensor arrays and orthogonal pairs of oligonucleotides, we quantitatively characterized the enzymatic activity of EcoRI under different buffer conditions and in the presence of inhibitors. To mimic a more physiological environment, we monitored the sequence-dependent star activity of EcoRI under unconventional conditions. Furthermore, enzymatic activity was measured in cell culture media, saliva, and serum. Last, we estimated the effective cleavage rates of Cas12a on anchored single-strand DNAs using this platform, which more closely resembles in vivo settings. This platform will facilitate precise characterization of restriction and Cas endonucleases under various conditions.
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Affiliation(s)
- Jisoo Im
- Division of Mechanical and Biomedical Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea; Graduate Program in Smart Factory, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Songeun Kim
- Division of Mechanical and Biomedical Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea; Graduate Program in Smart Factory, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Suhyeon Park
- Division of Mechanical and Biomedical Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea; Graduate Program in Smart Factory, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Shan X Wang
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA; Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Jung-Rok Lee
- Division of Mechanical and Biomedical Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea; Graduate Program in Smart Factory, Ewha Womans University, Seoul, 03760, Republic of Korea.
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3
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Mostufa S, Rezaei B, Yari P, Xu K, Gómez-Pastora J, Sun J, Shi Z, Wu K. Giant Magnetoresistance Based Biosensors for Cancer Screening and Detection. ACS APPLIED BIO MATERIALS 2023; 6:4042-4059. [PMID: 37725557 DOI: 10.1021/acsabm.3c00592] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Early-stage screening of cancer is critical in preventing its development and therefore can improve the prognosis of the disease. One accurate and effective method of cancer screening is using high sensitivity biosensors to detect optically, chemically, or magnetically labeled cancer biomarkers. Among a wide range of biosensors, giant magnetoresistance (GMR) based devices offer high sensitivity, low background noise, robustness, and low cost. With state-of-the-art micro- and nanofabrication techniques, tens to hundreds of independently working GMR biosensors can be integrated into fingernail-sized chips for the simultaneous detection of multiple cancer biomarkers (i.e., multiplexed assay). Meanwhile, the miniaturization of GMR chips makes them able to be integrated into point-of-care (POC) devices. In this review, we first introduce three types of GMR biosensors in terms of their structures and physics, followed by a discussion on fabrication techniques for those sensors. In order to achieve target cancer biomarker detection, the GMR biosensor surface needs to be subjected to biological decoration. Thus, commonly used methods for surface functionalization are also reviewed. The robustness of GMR-based biosensors in cancer detection has been demonstrated by multiple research groups worldwide and we review some representative examples. At the end of this review, the challenges and future development prospects of GMR biosensor platforms are commented on. With all their benefits and opportunities, it can be foreseen that GMR biosensor platforms will transition from a promising candidate to a robust product for cancer screening in the near future.
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Affiliation(s)
- Shahriar Mostufa
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Bahareh Rezaei
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Parsa Yari
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Kanglin Xu
- Department of Computer Science, Texas Tech University, Lubbock, Texas 79409, United States
| | - Jenifer Gómez-Pastora
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Jiajia Sun
- State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, China
| | - Zongqian Shi
- State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, China
| | - Kai Wu
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
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4
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Kim S, Wang SX, Lee JR. Real-time temperature correction for magnetoresistive biosensors integrated with temperature modulator. BIOSENSORS & BIOELECTRONICS: X 2023; 14:100356. [PMID: 37799506 PMCID: PMC10552591 DOI: 10.1016/j.biosx.2023.100356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Magnetoresistance-based biosensors utilize changes in electrical resistance upon varying magnetic fields to measure biological molecules or events involved with magnetic tags. However, electrical resistance fluctuates with temperature. To decouple unwanted temperature-dependent signals from the signal of interest, various methods have been proposed to correct signals from magnetoresistance-based biosensors. Yet, there is still a need for a temperature correction method capable of instantaneously correcting signals from all sensors in an array, as multiple biomarkers need to be detected simultaneously with a group of sensors in a central laboratory or point-of-care setting. Here we report a giant magnetoresistive biosensor system that enables real-time temperature correction for individual sensors using temperature correction coefficients obtained through a temperature sweep generated by an integrated temperature modulator. The algorithm with individual temperature correction coefficients obviously outperformed that using the average temperature correction coefficient. Further, temperature regulation did not eliminate temperature-dependent signals completely. To demonstrate that the method can be used in biomedical applications where large temperature variations are involved, binding kinetics experiments and melting curve analysis were conducted with the temperature correction method. The method successfully removed all temperature-dependent artifacts and thus produced more precise kinetic parameters and melting temperatures of DNA hybrids.
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Affiliation(s)
- Songeun Kim
- Division of Mechanical and Biomedical Engineering, Ewha Womans University, Seoul, 03760, South Korea
- Graduate Program in Smart Factory, Ewha Womans University, Seoul, 03760, South Korea
| | - Shan X. Wang
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 93405, USA
- Department of Electrical Engineering, Stanford University, Stanford, CA, 93405, USA
| | - Jung-Rok Lee
- Division of Mechanical and Biomedical Engineering, Ewha Womans University, Seoul, 03760, South Korea
- Graduate Program in Smart Factory, Ewha Womans University, Seoul, 03760, South Korea
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5
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Shah N, Iyer V, Zhang Z, Gao Z, Park J, Yelleswarapu V, Aflatouni F, Charlie Johnson AT, Issadore D. Highly stable integration of graphene Hall sensors on a microfluidic platform for magnetic sensing in whole blood. MICROSYSTEMS & NANOENGINEERING 2023; 9:71. [PMID: 37275264 PMCID: PMC10232500 DOI: 10.1038/s41378-023-00530-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/01/2023] [Accepted: 03/20/2023] [Indexed: 06/07/2023]
Abstract
The detection and analysis of rare cells in complex media such as blood is increasingly important in biomedical research and clinical diagnostics. Micro-Hall detectors (μHD) for magnetic detection in blood have previously demonstrated ultrahigh sensitivity to rare cells. This sensitivity originates from the minimal magnetic background in blood, obviating cumbersome and detrimental sample preparation. However, the translation of this technology to clinical applications has been limited by inherently low throughput (<1 mL/h), susceptibility to clogging, and incompatibility with commercial CMOS foundry processing. To help overcome these challenges, we have developed CMOS-compatible graphene Hall sensors for integration with PDMS microfluidics for magnetic sensing in blood. We demonstrate that these graphene μHDs can match the performance of the best published μHDs, can be passivated for robust use with whole blood, and can be integrated with microfluidics and sensing electronics for in-flow detection of magnetic beads. We show a proof-of-concept validation of our system on a silicon substrate and detect magnetic agarose beads, as a model for cells, demonstrating promise for future integration in clinical applications with a custom CMOS chip.
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Affiliation(s)
- Nishal Shah
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Vasant Iyer
- Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Zhiping Zhang
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Zhaoli Gao
- Department of Biomedical Engineering, Chinese University of Hong Kong, Shatin, Hong Kong
| | - Juhwan Park
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Venkata Yelleswarapu
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Firooz Aflatouni
- Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - A. T. Charlie Johnson
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - David Issadore
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA
- Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104 USA
- Department of Chemical and Biomolecular, University of Pennsylvania, Philadelphia, PA 19104 USA
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6
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Chen S, Sun Z, Li W, Yu P, Shi Q, Kong F, Zhang Q, Wang P, Wang Y, Shi F, Du J. Digital Magnetic Detection of Biomolecular Interactions with Single Nanoparticles. NANO LETTERS 2023; 23:2636-2643. [PMID: 36971403 PMCID: PMC10103294 DOI: 10.1021/acs.nanolett.2c04961] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/24/2023] [Indexed: 06/18/2023]
Abstract
Biomolecular interactions compose a fundamental element of all life forms and are the biological basis of many biomedical assays. However, current methods for detecting biomolecular interactions have limitations in sensitivity and specificity. Here, using nitrogen-vacancy centers in diamond as quantum sensors, we demonstrate digital magnetic detection of biomolecular interactions with single magnetic nanoparticles (MNPs). We first developed a single-particle magnetic imaging (SiPMI) method on 100 nm-sized MNPs with negligible magnetic background, high signal stability, and accurate quantification. The single-particle method was performed on biotin-streptavidin interactions and DNA-DNA interactions in which a single-base mismatch was specifically differentiated. Subsequently, SARS-CoV-2-related antibodies and nucleic acids were examined by a digital immunomagnetic assay derived from SiPMI. In addition, a magnetic separation process improved the detection sensitivity and dynamic range by more than 3 orders of magnitude and also the specificity. This digital magnetic platform is applicable to extensive biomolecular interaction studies and ultrasensitive biomedical assays.
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Affiliation(s)
- Sanyou Chen
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- School
of Biomedical Engineering and Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou 215123, China
| | - Ziting Sun
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Wanhe Li
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Pei Yu
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Qian Shi
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Fei Kong
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Qi Zhang
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- School
of Biomedical Engineering and Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou 215123, China
| | - Pengfei Wang
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- Hefei
National Laboratory, University of Science
and Technology of China, Hefei 230088, China
| | - Ya Wang
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- Hefei
National Laboratory, University of Science
and Technology of China, Hefei 230088, China
| | - Fazhan Shi
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- School
of Biomedical Engineering and Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou 215123, China
- Hefei
National Laboratory, University of Science
and Technology of China, Hefei 230088, China
| | - Jiangfeng Du
- CAS
Key Laboratory of Microscale Magnetic Resonance and School of Physical
Sciences, University of Science and Technology
of China, Hefei 230026, China
- CAS
Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- Hefei
National Laboratory, University of Science
and Technology of China, Hefei 230088, China
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7
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Vachani A, Lam S, Massion PP, Brown JK, Beggs M, Fish AL, Carbonell L, Wang SX, Mazzone PJ. Development and Validation of a Risk Assessment Model for Pulmonary Nodules Using Plasma Proteins and Clinical Factors. Chest 2023; 163:966-976. [PMID: 36368616 PMCID: PMC10258433 DOI: 10.1016/j.chest.2022.10.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 10/22/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Deficiencies in risk assessment for patients with pulmonary nodules (PNs) contribute to unnecessary invasive testing and delays in diagnosis. RESEARCH QUESTION What is the accuracy of a novel PN risk model that includes plasma proteins and clinical factors? How does the accuracy compare with that of an established risk model? STUDY DESIGN AND METHODS Based on technology using magnetic nanosensors, assays were developed with seven plasma proteins. In a training cohort (n = 429), machine learning approaches were used to identify an optimal algorithm that subsequently was evaluated in a validation cohort (n = 489), and its performance was compared with the Mayo Clinic model. RESULTS In the training set, we identified a support vector machine algorithm that included the seven plasma proteins and six clinical factors that demonstrated an area under the receiver operating characteristic curve of 0.87 and met other selection criteria. The resulting risk reclassification model (RRM) was used to recategorize patients with a pretest risk of between 10% and 84%, and its performance was assessed across five risk strata (low, ≤ 10%; moderate, 10%-34%; intermediate, 35%-70%; high, 71%-84%; very high, > 85%). Stratification by the RRM decreased the proportion of intermediate-risk patients from 26.7% to 10.8% (P < .001) and increased the low-risk and high-risk strata from 16.8% to 21.9% (P < .001) and from 3.7% to 12.1% (P < .001), respectively. Among patients classified as low risk by the RRM and Mayo Clinic model, the corresponding true-negative to false-negative ratios were 16.8 and 19.5, respectively. Among patients classified as very high risk by the RRM and Mayo Clinic model, the corresponding true-positive to false-positive ratios were 28.5 and 17.0, respectively. Compared with the Mayo Clinic model, the RRM provided higher specificity at the low-risk threshold and higher sensitivity at the very high-risk threshold. INTERPRETATION The RRM accurately reclassified some patients into low-risk and very high-risk categories, suggesting the potential to improve PN risk assessment.
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Affiliation(s)
- Anil Vachani
- Pulmonary, Allergy, and Critical Care Division, Department of Medicine, University of Pennsylvania, Philadelphia, PA; Corporal Michael J. Crescenz VA Medical Center, Department of Medicine, Philadelphia, PA.
| | - Stephen Lam
- Department of Integrative Oncology, British Columbia Cancer Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Pierre P Massion
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University, Nashville, TN
| | - James K Brown
- Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of California, San Francisco, CA; VA Medical Center San Francisco, Department of Medicine, San Francisco, CA
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8
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Gebreyesus ST, Muneer G, Huang CC, Siyal AA, Anand M, Chen YJ, Tu HL. Recent advances in microfluidics for single-cell functional proteomics. LAB ON A CHIP 2023; 23:1726-1751. [PMID: 36811978 DOI: 10.1039/d2lc01096h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Single-cell proteomics (SCP) reveals phenotypic heterogeneity by profiling individual cells, their biological states and functional outcomes upon signaling activation that can hardly be probed via other omics characterizations. This has become appealing to researchers as it enables an overall more holistic view of biological details underlying cellular processes, disease onset and progression, as well as facilitates unique biomarker identification from individual cells. Microfluidic-based strategies have become methods of choice for single-cell analysis because they allow facile assay integrations, such as cell sorting, manipulation, and content analysis. Notably, they have been serving as an enabling technology to improve the sensitivity, robustness, and reproducibility of recently developed SCP methods. Critical roles of microfluidics technologies are expected to further expand rapidly in advancing the next phase of SCP analysis to reveal more biological and clinical insights. In this review, we will capture the excitement of the recent achievements of microfluidics methods for both targeted and global SCP, including efforts to enhance the proteomic coverage, minimize sample loss, and increase multiplexity and throughput. Furthermore, we will discuss the advantages, challenges, applications, and future prospects of SCP.
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Affiliation(s)
- Sofani Tafesse Gebreyesus
- Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan.
- Nano Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Gul Muneer
- Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan.
- Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
- Institute of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
| | | | - Asad Ali Siyal
- Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan.
| | - Mihir Anand
- Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan.
- Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
- Institute of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
| | - Yu-Ju Chen
- Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan.
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
- Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
- Genome and Systems Biology Degree Program, Academia Sinica and National Taiwan University, Taipei 10617, Taiwan
| | - Hsiung-Lin Tu
- Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan.
- Nano Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
- Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
- Genome and Systems Biology Degree Program, Academia Sinica and National Taiwan University, Taipei 10617, Taiwan
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9
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Luo J, Xue N, Chen J. A Review: Research Progress of Neural Probes for Brain Research and Brain-Computer Interface. BIOSENSORS 2022; 12:bios12121167. [PMID: 36551135 PMCID: PMC9775442 DOI: 10.3390/bios12121167] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/07/2022] [Accepted: 12/13/2022] [Indexed: 06/01/2023]
Abstract
Neural probes, as an invasive physiological tool at the mesoscopic scale, can decipher the code of brain connections and communications from the cellular or even molecular level, and realize information fusion between the human body and external machines. In addition to traditional electrodes, two new types of neural probes have been developed in recent years: optoprobes based on optogenetics and magnetrodes that record neural magnetic signals. In this review, we give a comprehensive overview of these three kinds of neural probes. We firstly discuss the development of microelectrodes and strategies for their flexibility, which is mainly represented by the selection of flexible substrates and new electrode materials. Subsequently, the concept of optogenetics is introduced, followed by the review of several novel structures of optoprobes, which are divided into multifunctional optoprobes integrated with microfluidic channels, artifact-free optoprobes, three-dimensional drivable optoprobes, and flexible optoprobes. At last, we introduce the fundamental perspectives of magnetoresistive (MR) sensors and then review the research progress of magnetrodes based on it.
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Affiliation(s)
- Jiahui Luo
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
- School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ning Xue
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
- School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiamin Chen
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
- School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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10
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Chen H, Deng L, Sun J, Li H, Zhu X, Wang T, Jiang Y. Dynamic Detection of HbA1c Using a Silicon Nanowire Field Effect Tube Biosensor. BIOSENSORS 2022; 12:916. [PMID: 36354424 PMCID: PMC9688244 DOI: 10.3390/bios12110916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/06/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
As an emerging diabetes diagnostic indicator and a dynamic change index, HbA1c can not only reflect the average blood glucose level over a period of time but can also well predict the incidence of related microvascular complications. It is important to develop a detection method that can dynamically characterize HbA1c. Silicon nanowire (SiNW) devices were mass-produced using top-down sputtering technology, and a microdialyzer was installed in a SiNW field effect tube biosensor detection system. Finally, the detection system was used to detect HbA1c levels quantitatively and dynamically in experimental rabbits. Various measurements showed that mass-produced SiNW devices have ideal dimensions, stable structures, and good performance. A series of microscopy results showed that the SiNW surface can be functionalized for intermolecular interactions. The addition of a dialysis device can effectively overcome Debye shielding, making the blood test similar to the pure standard test. Finally, the dynamic detection of HbA1c within 40 h was realized. SiNW biosensors are capable of the dynamic detection of biomolecules, and dynamic observation of the interaction between blood glucose and HbA1c provides new ideas for the diagnosis and treatment of patients with diabetes. Therefore, the SiNW biosensor can reflect the dynamic changes in HbA1c in a shorter time, which has a certain potential value in the clinical treatment of diabetes.
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Affiliation(s)
- Hang Chen
- The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Lijuan Deng
- The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Jialin Sun
- Nanjing Medical University Affiliated Wuxi People’s Hospital, Wuxi 214043, China
| | - Hang Li
- Nanjing Medical University Affiliated Wuxi People’s Hospital, Wuxi 214043, China
| | - Xiaoping Zhu
- The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Tong Wang
- Nanjing Medical University Affiliated Wuxi People’s Hospital, Wuxi 214043, China
| | - Yanfeng Jiang
- Internet of Things Institute, Jiangnan University, Wuxi 214122, China
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11
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Emerging trends in the nanomedicine applications of functionalized magnetic nanoparticles as novel therapies for acute and chronic diseases. J Nanobiotechnology 2022; 20:393. [PMID: 36045375 PMCID: PMC9428876 DOI: 10.1186/s12951-022-01595-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 08/13/2022] [Indexed: 11/10/2022] Open
Abstract
High-quality point-of-care is critical for timely decision of disease diagnosis and healthcare management. In this regard, biosensors have revolutionized the field of rapid testing and screening, however, are confounded by several technical challenges including material cost, half-life, stability, site-specific targeting, analytes specificity, and detection sensitivity that affect the overall diagnostic potential and therapeutic profile. Despite their advances in point-of-care testing, very few classical biosensors have proven effective and commercially viable in situations of healthcare emergency including the recent COVID-19 pandemic. To overcome these challenges functionalized magnetic nanoparticles (MNPs) have emerged as key players in advancing the biomedical and healthcare sector with promising applications during the ongoing healthcare crises. This critical review focus on understanding recent developments in theranostic applications of functionalized magnetic nanoparticles (MNPs). Given the profound global economic and health burden, we discuss the therapeutic impact of functionalized MNPs in acute and chronic diseases like small RNA therapeutics, vascular diseases, neurological disorders, and cancer, as well as for COVID-19 testing. Lastly, we culminate with a futuristic perspective on the scope of this field and provide an insight into the emerging opportunities whose impact is anticipated to disrupt the healthcare industry.
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12
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Giant bipolar unidirectional photomagnetoresistance. Proc Natl Acad Sci U S A 2022; 119:e2115939119. [PMID: 35763578 PMCID: PMC9271161 DOI: 10.1073/pnas.2115939119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Positive magnetoresistance (PMR) and negative magnetoresistance (NMR) describe two opposite responses of resistance induced by a magnetic field. Materials with giant PMR are usually distinct from those with giant NMR due to different physical natures. Here, we report the unusual photomagnetoresistance in the van der Waals heterojunctions of WSe2/quasi-two-dimensional electron gas, showing the coexistence of giant PMR and giant NMR. The PMR and NMR reach 1,007.5% at -9 T and -93.5% at 2.2 T in a single device, respectively. The magnetoresistance spans over two orders of magnitude on inversion of field direction, implying a giant unidirectional magnetoresistance (UMR). By adjusting the thickness of the WSe2 layer, we achieve the maxima of PMR and NMR, which are 4,900,000% and -99.8%, respectively. The unique magnetooptical transport shows the unity of giant UMR, PMR, and NMR, referred to as giant bipolar unidirectional photomagnetoresistance. These features originate from strong out-of-plane spin splitting, magnetic field-enhanced recombination of photocarriers, and the Zeeman effect through our experimental and theoretical investigations. This work offers directions for high-performance light-tunable spintronic devices.NMR).
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13
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Sun M, Lu P, Yu C, Feng F, Li Q, Zhan J, Xu M, Liu Y, Yao L. Force-Coded Strategy for the Simultaneous Detection of Multiple Tumor-Related Proteins. Anal Chem 2022; 94:8992-8998. [PMID: 35713197 DOI: 10.1021/acs.analchem.2c01014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Multiplexed simultaneous detection of various cancer markers is required for accurate diagnosis and treatment of early cancer. In this work, we present a force-coded strategy for the simultaneous detection of tumor-related proteins with tunable dynamic range via magnetic sensing. The multiplexing capability of this method is achieved by designing DNA devices that can recognize different biomarkers and code them with different binding forces measured by the force-induced remnant magnetization spectroscopy, which is not influenced by the color of the light and the solution. Moreover, the force-coded assay with high sensitivity and adjustable detection range is robust, which could be used for practical biological applications such as magnetic sensing, handheld miniaturized systems, and potential in vivo diagnosis.
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Affiliation(s)
- Mengxue Sun
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pan Lu
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chanchan Yu
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Feng Feng
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qilong Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinxiu Zhan
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Min Xu
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yajing Liu
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Li Yao
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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14
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Real-time monitoring of single-cell secretion with a high-throughput nanoplasmonic microarray. Biosens Bioelectron 2022; 202:113955. [DOI: 10.1016/j.bios.2021.113955] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 12/22/2021] [Accepted: 12/30/2021] [Indexed: 11/20/2022]
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15
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Wu K, Tonini D, Liang S, Saha R, Chugh VK, Wang JP. Giant Magnetoresistance Biosensors in Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2022; 14:9945-9969. [PMID: 35167743 PMCID: PMC9055838 DOI: 10.1021/acsami.1c20141] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The giant magnetoresistance (GMR) effect has seen flourishing development from theory to application in the last three decades since its discovery in 1988. Nowadays, commercial devices based on the GMR effect, such as hard-disk drives, biosensors, magnetic field sensors, microelectromechanical systems (MEMS), etc., are available in the market, by virtue of the advances in state-of-the-art thin-film deposition and micro- and nanofabrication techniques. Different types of GMR biosensor arrays with superior sensitivity and robustness are available at a lower cost for a wide variety of biomedical applications. In this paper, we review the recent advances in GMR-based biomedical applications including disease diagnosis, genotyping, food and drug regulation, brain and cardiac mapping, etc. The GMR magnetic multilayer structure, spin valve, and magnetic granular structure, as well as fundamental theories of the GMR effect, are introduced at first. The emerging topic of flexible GMR for wearable biosensing is also included. Different GMR pattern designs, sensor surface functionalization, bioassay strategies, and on-chip accessories for improved GMR performances are reviewed. It is foreseen that combined with the state-of-the-art complementary metal-oxide-semiconductor (CMOS) electronics, GMR biosensors hold great promise in biomedicine, particularly for point-of-care (POC) disease diagnosis and wearable devices for real-time health monitoring.
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Affiliation(s)
- Kai Wu
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Denis Tonini
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Shuang Liang
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Renata Saha
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Vinit Kumar Chugh
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jian-Ping Wang
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
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16
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Yao C, Ng E, Wang SX. An automated and mobile magnetoresistive biosensor system for early hepatocellular carcinoma diagnosis. Biosens Bioelectron 2022; 202:113982. [PMID: 35033828 DOI: 10.1016/j.bios.2022.113982] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/04/2022] [Accepted: 01/07/2022] [Indexed: 12/19/2022]
Abstract
Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related deaths worldwide. Most patients, however, are not diagnosed until advanced stage because early HCC lesions generally cause no overt symptoms, and the presence of cirrhosis adds another layer of complexity. While early diagnosis enables more therapeutic options and greatly improves survival rates, it is difficult to achieve. In order to detect early stage HCC, high-risk patients need to frequently measure serum biomarkers such as alpha-fetoprotein (AFP), and gold standards for detection involve less accessible and costly tests. In this work, we present an automated and mobile magnetoresistive biosensor system that allows quick, easy, and accurate detection of a panel of HCC related biomarkers. We first discuss the underlying principles of the giant magnetoresistive (GMR) biosensor system and its unique advantages in early detection of HCC. We also describe the development of hardware, software, and the bioassay, and demonstrate that it can perform an automated assay in 28 min, providing both qualitative and quantitative results. The user only needs to manually add sample into a disposable cartridge and press a button on the smartphone app, without the need for direct interaction with reagent liquids, or lab skills such as pipetting. With its portability, high sensitivity, and ease-of-use, the presented biosensor system has the potential to empower both medical practitioners and patients to achieve early HCC diagnosis. Furthermore, the GMR biosensor platform can be adapted to detect other protein or DNA biomarkers beyond HCC, bringing the goals of accessible mobile health even closer to reality.
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Affiliation(s)
- Chengyang Yao
- Department of Electrical Engineering, Stanford University, Stanford, CA, United States.
| | - Elaine Ng
- Department of Bioengineering, Stanford University, Stanford, CA, United States
| | - Shan X Wang
- Department of Electrical Engineering, Stanford University, Stanford, CA, United States
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17
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Li J, Li J, Yan Z, Ding XL, Xia XH. Revealing the Hydrogen Bonding Interaction of DNA with Unnatural Bases via Plasmonic Antenna Enhanced Infrared Spectroscopy. J Phys Chem Lett 2021; 12:10255-10261. [PMID: 34652166 DOI: 10.1021/acs.jpclett.1c02901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The incorporation of unnatural bases in DNA programming can break through the limits of Watson-Crick and Hoogsteen base pairing to expand the diversity of DNA structures. Thus, understanding the interaction between DNA and unnatural bases is of great importance in DNA nanotechnology. Here, we propose an approach of plasmonic antenna enhanced infrared spectroscopy to study the hydrogen bonding interaction between poly(thymine) DNA (poly T DNA) and melamine. The formation of multiple hydrogen bonds between melamine and thymine of poly T DNA is revealed by the appearance of a new infrared (IR) feature of the NH2 deformation vibration at 1680 cm-1. The binding rate constant (kb) and the dissociation rate constant (kd) of the affinity reaction reach 39.70 M-1·s-1 and 4.49 × 10-5 s-1, respectively. This work offers a valuable IR technique to study DNA nanostructures at the molecular level, providing unique physicochemical views of the interaction mechanism between DNA and unnatural bases in DNA programming.
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Affiliation(s)
- Jin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jian Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zhendong Yan
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Xin-Lei Ding
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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18
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Designing magnetic nanoparticles for in vivo applications and understanding their fate inside human body. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214082] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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19
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Affiliation(s)
- Gungun Lin
- Institute for Biomedical Materials and Devices Faculty of Science University of Technology Sydney Ultimo New South Wales Australia
- ARC Research Hub for Integrated Device for End‐User Analysis at Low Levels Faculty of Science University of Technology Sydney Sydney New South Wales Australia
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20
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Abedini-Nassab R, Pouryosef Miandoab M, Şaşmaz M. Microfluidic Synthesis, Control, and Sensing of Magnetic Nanoparticles: A Review. MICROMACHINES 2021; 12:768. [PMID: 34210058 PMCID: PMC8306075 DOI: 10.3390/mi12070768] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/22/2021] [Accepted: 06/27/2021] [Indexed: 02/06/2023]
Abstract
Magnetic nanoparticles have attracted significant attention in various disciplines, including engineering and medicine. Microfluidic chips and lab-on-a-chip devices, with precise control over small volumes of fluids and tiny particles, are appropriate tools for the synthesis, manipulation, and evaluation of nanoparticles. Moreover, the controllability and automation offered by the microfluidic chips in combination with the unique capabilities of the magnetic nanoparticles and their ability to be remotely controlled and detected, have recently provided tremendous advances in biotechnology. In particular, microfluidic chips with magnetic nanoparticles serve as sensitive, high throughput, and portable devices for contactless detecting and manipulating DNAs, RNAs, living cells, and viruses. In this work, we review recent fundamental advances in the field with a focus on biomedical applications. First, we study novel microfluidic-based methods in synthesizing magnetic nanoparticles as well as microparticles encapsulating them. We review both continues-flow and droplet-based microreactors, including the ones based on the cross-flow, co-flow, and flow-focusing methods. Then, we investigate the microfluidic-based methods for manipulating tiny magnetic particles. These manipulation techniques include the ones based on external magnets, embedded micro-coils, and magnetic thin films. Finally, we review techniques invented for the detection and magnetic measurement of magnetic nanoparticles and magnetically labeled bioparticles. We include the advances in anisotropic magnetoresistive, giant magnetoresistive, tunneling magnetoresistive, and magnetorelaxometry sensors. Overall, this review covers a wide range of the field uniquely and provides essential information for designing "lab-on-a-chip" systems for synthesizing magnetic nanoparticles, labeling bioparticles with them, and sorting and detecting them on a single chip.
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Affiliation(s)
- Roozbeh Abedini-Nassab
- Department of Biomedical Engineering, University of Neyshabur, Neyshabur 9319774446, Iran
| | | | - Merivan Şaşmaz
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Adiyaman University, Adiyaman 02040, Turkey;
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21
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Pushkarev AV, Orlov AV, Znoyko SL, Bragina VA, Nikitin PI. Rapid and Easy-to-Use Method for Accurate Characterization of Target Binding and Kinetics of Magnetic Particle Bioconjugates for Biosensing. SENSORS (BASEL, SWITZERLAND) 2021; 21:2802. [PMID: 33921145 PMCID: PMC8071512 DOI: 10.3390/s21082802] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/07/2021] [Accepted: 04/12/2021] [Indexed: 12/14/2022]
Abstract
The ever-increasing use of magnetic particle bioconjugates (MPB) in biosensors calls for methods of comprehensive characterization of their interaction with targets. Label-free optical sensors commonly used for studying inter-molecular interactions have limited potential for MPB because of their large size and multi-component non-transparent structure. We present an easy-to-use method that requires only three 20-min express measurements to determine the key parameters for selection of optimal MPB for a biosensor: kinetic and equilibrium characteristics, and a fraction of biomolecules on the MPB surface that are capable of active targeting. The method also provides a prognostic dependence of MPB targeting efficiency upon interaction duration and sample volume. These features are possible due to joining a magnetic lateral flow assay, a highly sensitive sensor for MPB detection by the magnetic particle quantification technique, and a novel mathematical model that explicitly describes the MPB-target interactions and does not comprise parameters to be fitted additionally. The method was demonstrated by experiments on MPB targeting of cardiac troponin I and staphylococcal enterotoxin B. The validation by an independent label-free technique of spectral-correlation interferometry showed good correlation between the results obtained by both methods. The presented method can be applied to other targets for faster development and selection of MPB for affinity sensors, analytical technologies, and realization of novel concepts of MPB-based biosensing in vivo.
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Affiliation(s)
- Averyan V. Pushkarev
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov Str., 119991 Moscow, Russia; (A.V.P.); (A.V.O.); (S.L.Z.); (V.A.B.)
- Moscow Institute of Physics and Technology, 9 Institutskii per., Dolgoprudny, 141700 Moscow Region, Russia
| | - Alexey V. Orlov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov Str., 119991 Moscow, Russia; (A.V.P.); (A.V.O.); (S.L.Z.); (V.A.B.)
| | - Sergey L. Znoyko
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov Str., 119991 Moscow, Russia; (A.V.P.); (A.V.O.); (S.L.Z.); (V.A.B.)
| | - Vera A. Bragina
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov Str., 119991 Moscow, Russia; (A.V.P.); (A.V.O.); (S.L.Z.); (V.A.B.)
| | - Petr I. Nikitin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov Str., 119991 Moscow, Russia; (A.V.P.); (A.V.O.); (S.L.Z.); (V.A.B.)
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22
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Meng F, Huo W, Lian J, Zhang L, Shi X, Jesorka A, Gao Y. A tandem giant magnetoresistance assay for one-shot quantification of clinically relevant concentrations of N-terminal pro-B-type natriuretic peptide in human blood. Anal Bioanal Chem 2021; 413:2943-2949. [PMID: 33624128 PMCID: PMC8043887 DOI: 10.1007/s00216-021-03227-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/28/2021] [Accepted: 02/08/2021] [Indexed: 11/28/2022]
Abstract
We report a microfluidic sandwich immunoassay constructed around a dual-giant magnetoresistance (GMR) sensor array to quantify the heart failure biomarker NT-proBNP in human plasma at the clinically relevant concentration levels between 15 pg/mL and 40 ng/mL. The broad dynamic range was achieved by differential coating of two identical GMR sensors operated in tandem, and combining two standard curves. The detection limit was determined as 5 pg/mL. The assay, involving 53 plasma samples from patients with different cardiovascular diseases, was validated against the Roche Cobas e411 analyzer. The salient features of this system are its wide concentration range, low detection limit, small sample volume requirement (50 μL), and the need for a short measurement time of 15 min, making it a prospective candidate for practical use in point of care analysis.
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Affiliation(s)
- Fanda Meng
- Institute of Basic Medicine, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, China. .,Institute of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China. .,Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96, Gothenburg, Sweden.
| | - Weisong Huo
- Dongguan Bosh Biotechnologies, Ltd., Dongguan, 523808, China
| | - Jie Lian
- College of Criminal Investigation, People's Public Security University of China, Beijing, 100038, China
| | - Lei Zhang
- Dongguan Bosh Biotechnologies, Ltd., Dongguan, 523808, China
| | - Xizeng Shi
- Dongguan Bosh Biotechnologies, Ltd., Dongguan, 523808, China
| | - Aldo Jesorka
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96, Gothenburg, Sweden
| | - Yunhua Gao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China. .,University of Chinese Academy of Sciences, Beijing, 100149, China.
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23
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Sun H, Sun C, Ding X, Lu H, Liu M, Zhao G. In situ monitoring of the selective adsorption mechanism of small environmental pollutant molecules on aptasensor interface by attenuated total reflection surface enhanced infrared absorption spectroscopy (ATR-SEIRAS). JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123953. [PMID: 33264997 DOI: 10.1016/j.jhazmat.2020.123953] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/24/2020] [Accepted: 09/05/2020] [Indexed: 06/12/2023]
Abstract
In situ monitoring of the interactions and properties of pollutant molecules at the aptasensor interface is being a very hot and interesting topic in environmental analysis since its charming molecule level understanding of the mechanism of environmental biosensors. Attenuated total reflection surface enhanced infrared absorption spectroscopy (ATR-SEIRAS) provides a unique and convenient technique for the in situ analysis, but is not easy for small molecules. Herein, an ATR-SEIRAS platform has been successfully developed to in situ monitor the selective adsorption mechanism of small pollutant molecule atrazine (ATZ) on the aptasensor interface by characteristic N‒H peak of ATZ for the first time. Based on the constructed ATR-SEIRAS platform, a thermodynamics model is established for the selective adsorption of ATZ on the aptasensor interface, described with Langmuir adsorption with a dissociation constant of 1.1 nM. The adsorption kinetics parameters are further obtained with a binding rate constant of 8.08×105 M-1 s-1. A promising and feasible platform has therefore successfully provided for the study of the selective sensing mechanism of small pollutant molecules on biosensors interfaces, further broadening the application of ATR-SEIRAS technology in the field of small pollutant molecules.
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Affiliation(s)
- Huanhuan Sun
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Caiqin Sun
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Xue Ding
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Hanxing Lu
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Meichuan Liu
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China.
| | - Guohua Zhao
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China.
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24
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Abstract
Magnetic particle-based immunoassays are widely used in microbiology-related assays for both microbial capture, separation, analysis, and detection. Besides facilitating sample operation, the implementation of micro-to-nanometer scale magnetic beads as a solid support potentially shortens the incubation time (for magnetic immuno capture) from several hours to less than an hour. Analytical technologies based on magnetic beads offer a rapid, effective and inexpensive way to separate and concentrate the target analytes prior to detection. Magneto-immuno separation uses magnetic particles coated with specific antibodies to capture target microorganisms, bear the corresponding antigens, and subsequently separate them from the sample matrix in a magnetic field. The method has been proven effective in separating various types of pathogenic bacteria from environmental water samples and in eliminating background interferences. Magnetic particles are often used to capture target cells (pathogenic bacteria) from samples. In most commercially available assays, the actual identification and quantitation of the captured cells is then performed by classical microbiological assays. This review highlights the most sensitive analytic methods (i.e., long-range surface plasmon resonance and electrochemical impedance spectroscopy) to detect magnetically tagged bacteria in conjunction with magnetic actuation.
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Affiliation(s)
- Eugen Gheorghiu
- International Centre of Biodynamics, Bucharest 060101, Romania
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25
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Ng E, Le AK, Nguyen MH, Wang SX. Early Multiplexed Detection of Cirrhosis using Giant Magnetoresistive Biosensors with Protein Biomarkers. ACS Sens 2020; 5:3049-3057. [PMID: 32896123 DOI: 10.1021/acssensors.0c00232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Liver cirrhosis is one of the leading causes of death in adults worldwide. It is highly prevalent in developing countries and is growing in prevalence in developed countries mostly because of chronic liver diseases, such as chronic hepatitis B and C and alcoholic and nonalcoholic fatty liver disease. However, the prevalence of cirrhosis may be highly underestimated because early stages are asymptomatic and current early detection methods are inadequate. Here, we evaluate the potential of a set of novel cirrhotic protein biomarkers, including soluble intercellular adhesion molecule-1 and mac-2 binding protein glycosylation isomer, for early detection of cirrhosis in a multiplexed assay using our giant magnetoresistive (GMR) sensor arrays. We evaluated the diagnostic performance of the biomarkers, individually and in combination, using multivariate logistic regression and random forest in a blinded proof-of-concept retrospective case-controlled study. The biomarkers in combination exhibited high diagnostic performance in both logistic regression and random forest models, with an area under the curve of 0.98 (0.94-1.00). In addition, the combination of biomarkers resulted in a high sensitivity of 0.97 (0.95-1.00) and a high specificity of 1.00. We showed that the diagnostic performance of our novel set of cirrhotic protein biomarkers on our multiplexed GMR sensor arrays is higher than the performance of currently used clinical biomarkers and factors (i.e., age, sex, alanine aminotransferase, aspartate aminotransferase, etc.). With this combination of novel biomarkers and GMR technology, we could potentially boost the diagnostic power of early cirrhosis detection.
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Affiliation(s)
- Elaine Ng
- Department of Bioengineering, Stanford University, Stanford, California 94305, United States
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - An K. Le
- Division of Gastroenterology and Hepatology, Stanford University Medical Center, Palo Alto, California 94305, United States
| | - Mindie H. Nguyen
- Division of Gastroenterology and Hepatology, Stanford University Medical Center, Palo Alto, California 94305, United States
| | - Shan X. Wang
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
- Department of Electrical Engineering, Stanford University, Stanford, California 94305, United States
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26
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Traynor SM, Wang GA, Pandey R, Li F, Soleymani L. Dynamic Bio‐Barcode Assay Enables Electrochemical Detection of a Cancer Biomarker in Undiluted Human Plasma: A Sample‐In‐Answer‐Out Approach. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009664] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sarah M. Traynor
- Department of Biomedical Engineering McMaster University 1280 Main St. W. Hamilton ON Canada
| | - Guan A. Wang
- Department of Chemistry Brock University 1812 Sir Isaac Brock Way St. Catharines ON Canada
| | - Richa Pandey
- Department of Engineering Physics McMaster University 1280 Main St. W. Hamilton ON Canada
| | - Feng Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Brock University Canada
| | - Leyla Soleymani
- Department of Biomedical Engineering McMaster University 1280 Main St. W. Hamilton ON Canada
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Traynor SM, Wang GA, Pandey R, Li F, Soleymani L. Dynamic Bio‐Barcode Assay Enables Electrochemical Detection of a Cancer Biomarker in Undiluted Human Plasma: A Sample‐In‐Answer‐Out Approach. Angew Chem Int Ed Engl 2020; 59:22617-22622. [DOI: 10.1002/anie.202009664] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Indexed: 11/08/2022]
Affiliation(s)
- Sarah M. Traynor
- Department of Biomedical Engineering McMaster University 1280 Main St. W. Hamilton ON Canada
| | - Guan A. Wang
- Department of Chemistry Brock University 1812 Sir Isaac Brock Way St. Catharines ON Canada
| | - Richa Pandey
- Department of Engineering Physics McMaster University 1280 Main St. W. Hamilton ON Canada
| | - Feng Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Brock University Canada
| | - Leyla Soleymani
- Department of Biomedical Engineering McMaster University 1280 Main St. W. Hamilton ON Canada
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28
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Saha R, Wu K, Su D, Wang JP. Spin current nano-oscillator (SCNO) as a potential frequency-based, ultra-sensitive magnetic biosensor: a simulation study. NANOTECHNOLOGY 2020; 31:375501. [PMID: 32492673 DOI: 10.1088/1361-6528/ab9921] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This work is a micromagnetic simulation-based study on the GHz-frequency ferromagnetic resonances (FMR) for the detection of magnetic nanoparticles (MNPs) using spin current nano-oscillator (SCNO) operating in precession mode. Capture antibody-antigen-detection antibody-MNP complex on the SCNO surface generates magnetic fields that modify the FMR peaks and generate measurable resonance peak shifts. Moreover, our results strongly indicate the position-sensitive behavior of the SCNO biosensor and demonstrate ways to eradicate this effect to facilitate improved bio-sensing. Additionally, a study has been made on how MNPs with different sizes can alter the SCNO device performance. This simulation-based study on the SCNO device shows the feasibility of a frequency-based nano-biosensor with the sensitivity of detecting a single MNP, even in presence of background noise.
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Affiliation(s)
- Renata Saha
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455, United States of America
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Farzin A, Etesami SA, Quint J, Memic A, Tamayol A. Magnetic Nanoparticles in Cancer Therapy and Diagnosis. Adv Healthc Mater 2020; 9:e1901058. [PMID: 32196144 PMCID: PMC7482193 DOI: 10.1002/adhm.201901058] [Citation(s) in RCA: 198] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 01/15/2020] [Indexed: 12/16/2022]
Abstract
There is urgency for the development of nanomaterials that can meet emerging biomedical needs. Magnetic nanoparticles (MNPs) offer high magnetic moments and surface-area-to-volume ratios that make them attractive for hyperthermia therapy of cancer and targeted drug delivery. Additionally, they can function as contrast agents for magnetic resonance imaging (MRI) and can improve the sensitivity of biosensors and diagnostic tools. Recent advancements in nanotechnology have resulted in the realization of the next generation of MNPs suitable for these and other biomedical applications. This review discusses methods utilized for the fabrication and engineering of MNPs. Recent progress in the use of MNPs for hyperthermia therapy, controlling drug release, MRI, and biosensing is also critically reviewed. Finally, challenges in the field and potential opportunities for the use of MNPs toward improving their properties are discussed.
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Affiliation(s)
- A. Farzin
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
| | - S. Alireza Etesami
- Department of Mechanical Engineering, The University of Memphis. Memphis, TN 38152, USA
| | - Jacob Quint
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, Lincoln, NE, 68588, USA
| | - Adnan Memic
- Department of Biomedical Engineering, University of Connecticut, Farmington, CT, 06030, USA
| | - Ali Tamayol
- Division of Engineering in Medicine Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, Lincoln, NE, 68588, USA
- Department of Biomedical Engineering, University of Connecticut, Farmington, CT, 06030, USA
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30
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Wu D, Voldman J. An integrated model for bead-based immunoassays. Biosens Bioelectron 2020; 154:112070. [PMID: 32056966 DOI: 10.1016/j.bios.2020.112070] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/30/2020] [Accepted: 02/01/2020] [Indexed: 11/16/2022]
Abstract
Bead-based immunoassays have shown great promise for rapid and sensitive protein quantification. However, there still lacks holistic understanding of assay performance that can inform assay design and optimization. In this paper, we present an integrated mathematical model for surface coverage bead-based assays. This model examines the building blocks of surface coverage assays, including heterogeneous binding of analyte molecules on bead or sensor surfaces, attachment of bead labels to sensor surfaces, and generation of electrochemical current by bead labels. To demonstrate and validate this model, we analyze a semi-homogeneous bead-based electronic enzyme-linked immunosorbent assay and find that experimental results agree with various model predictions. We show that the model can provide design guidance for choice of various assay parameters including bead size, bead number, antibody affinity and assay time, and provide a perspective to reconcile the performance of various implementations of surface coverage assays.
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Affiliation(s)
- Dan Wu
- Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Joel Voldman
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA.
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31
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Albisetti E, Scaramuzzi G, Rinaldi C, Cantoni M, Bertacco R, Petti D. Temperature Dependence of the Magnetic Properties of IrMn/CoFeB/Ru/CoFeB Exchange Biased Synthetic Antiferromagnets. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E387. [PMID: 31947686 PMCID: PMC7013882 DOI: 10.3390/ma13020387] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 12/18/2022]
Abstract
Synthetic antiferromagnets (SAF) are widely used for a plethora of applications among which data storage, computing, and in the emerging field of magnonics. In this framework, controlling the magnetic properties of SAFs via localized thermal treatments represents a promising route for building novel magnonic materials. In this paper, we study via vibration sample magnetometry the temperature dependence of the magnetic properties of sputtered exchange bias SAFs grown via magnetron sputtering varying the ferromagnetic layers and spacer thickness. Interestingly, we observe a strong, reversible modulation of the exchange field, saturation field, and coupling strength upon heating up to 250 °C. These results suggest that exchange bias SAFs represent promising systems for developing novel artificial magnetic nanomaterials via localized thermal treatment.
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Affiliation(s)
- Edoardo Albisetti
- Dipartimento di Fisica, Politecnico di Milano, Via Giuseppe Colombo 81, 20133 Milano, Italy; (G.S.); (C.R.); (M.C.); (R.B.)
| | | | | | | | | | - Daniela Petti
- Dipartimento di Fisica, Politecnico di Milano, Via Giuseppe Colombo 81, 20133 Milano, Italy; (G.S.); (C.R.); (M.C.); (R.B.)
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32
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Zhou X, Sveiven M, Hall DA. A CMOS Magnetoresistive Sensor Front-End With Mismatch-Tolerance and Sub-ppm Sensitivity for Magnetic Immunoassays. IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS 2019; 13:1254-1263. [PMID: 31670677 DOI: 10.1109/tbcas.2019.2949725] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Magnetic biosensing is an emerging technique for ultra-sensitive point-of-care (PoC) biomolecular detection. However, the large baseline-to-signal ratio and sensor-to-sensor mismatch in magnetoresistive (MR) biosensors severely complicates the design of the analog front-end (AFE) due to the high dynamic range (DR) required. The proposed AFE addresses these issues through new architectural and circuit level techniques including fast settling duty-cycle resistors (DCRs) to reduce readout time and a high frequency interference rejection (HFIR) sampling technique embedded in the ADC to relax the DR requirement. The AFE achieves an input-referred noise of 46.4 nT/√Hz, an input-referred baseline of less than 0.235 mT, and a readout time of 11 ms while consuming just 1.39 mW. Implemented in a 0.18 μm CMOS process, this work has state-of-the-art performance with 22.7× faster readout time, >7.8× lower baseline, and 2.3× lower power than previously reported MR sensor AFEs.
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Abstract
Botulinum is a deadly bacterial toxin that causes neuroparalytic disease. However, appropriate tools to detect trace toxic proteins are scarce. This study presents a bead-based diffusometric technique for the rapid, simple, and quantitative detection of biological toxins. Functionalized particles called nano-immunosensors were fabricated by forming sandwiched immunocomplexes comprising Au nanoparticles (AuNPs), toxic proteins, and antibodies on fluorescent probe particles. Particle diffusivity tended to decline with increasing concentration of the target proteins. Calibration curves of purified botulinum toxins (0.01-500 ng/mL) were obtained from whole milk and bovine serum, and results suggested that measurement was independent of the background matrix. The activity of botulinum toxin was evaluated by coating synaptosomal-associated protein 25 (SNAP-25) on fluorescent probe particles. AuNP-conjugated antibodies attached to the probe particles when SNAP-25 proteins were cleaved by active botulinum. Thus, toxicity could be detected from slight changes in diffusivity. A short measurement time of 2 min and a limit of detection of 10 pg/mL were achieved. The nano-immunosensors demonstrated rapid biosensing capability and met the demands of onsite screening for food safety, medical instrument hygiene, and cosmetic surgery products.
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Chen H, Hu H, Tao C, Clauson RM, Moncion I, Luan X, Hwang S, Sough A, Sansanaphongpricha K, Liao J, Paholak HJ, Stevers NO, Wang G, Liu B, Sun D. Self-Assembled Au@Fe Core/Satellite Magnetic Nanoparticles for Versatile Biomolecule Functionalization. ACS APPLIED MATERIALS & INTERFACES 2019; 11:23858-23869. [PMID: 31245984 DOI: 10.1021/acsami.9b05544] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Although the functionalization of magnetic nanoparticles (MNPs) with biomolecules has been widely explored for various biological applications, achieving efficient bioconjugations with a wide range of biomolecules through a single, universal, and versatile platform remains a challenge, which may significantly impact their applications' outcomes. Here, we report a novel MNP platform composed of Au@Fe core/satellite nanoparticles (CSNPs) for versatile and efficient bioconjugations. The engineering of the CSNPs is facilely formed through the self-assembly of ultrasmall gold nanoparticles (AuNPs, 2-3 nm in diameter) around MNPs with a polysiloxane-containing polymer coating. The formation of the hybrid magnetic nanostructure is revealed by absorption spectroscopy, dynamic light scattering (DLS), transmission electron microscopy (TEM), element analysis using atomic absorption spectroscopy, and vibrating sample magnetometer. The versatility of biomolecule loading to the CSNP is revealed through the bioconjugation of a wide range of relevant biomolecules, including streptavidin, antibodies, peptides, and oligonucleotides. Characterizations including DLS, TEM, lateral flow strip assay, fluorescence assay, giant magnetoresistive nanosensor array, high-performance liquid chromatography, and absorption spectrum are performed to further confirm the efficiency of various bioconjugations to the CSNP. In conclusion, this study demonstrates that the CSNP is a novel MNP-based platform that offers versatile and efficient surface functionalization with various biomolecules.
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Affiliation(s)
- Hongwei Chen
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Hongxiang Hu
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Chun Tao
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Ryan M Clauson
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Ila Moncion
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Xin Luan
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Sangyeul Hwang
- IMRA America, Inc. , 1044 Woodridge Avenue , Ann Arbor , Michigan 48105 , United States
| | - Ashley Sough
- IMRA America, Inc. , 1044 Woodridge Avenue , Ann Arbor , Michigan 48105 , United States
| | - Kanokwan Sansanaphongpricha
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Jinhui Liao
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Hayley J Paholak
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Nicholas O Stevers
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Guoping Wang
- IMRA America, Inc. , 1044 Woodridge Avenue , Ann Arbor , Michigan 48105 , United States
| | - Bing Liu
- IMRA America, Inc. , 1044 Woodridge Avenue , Ann Arbor , Michigan 48105 , United States
| | - Duxin Sun
- Department of Pharmaceutical Sciences, College of Pharmacy , University of Michigan , Ann Arbor , Michigan 48109 , United States
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35
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Su D, Wu K, Krishna VD, Klein T, Liu J, Feng Y, Perez AM, Cheeran MCJ, Wang JP. Detection of Influenza a Virus in Swine Nasal Swab Samples With a Wash-Free Magnetic Bioassay and a Handheld Giant Magnetoresistance Sensing System. Front Microbiol 2019; 10:1077. [PMID: 31164877 PMCID: PMC6536586 DOI: 10.3389/fmicb.2019.01077] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 04/29/2019] [Indexed: 12/20/2022] Open
Abstract
The dissemination of Influenza A virus (IAV) throughout the world has become one of the main concerns for the health of both animals and human beings. An efficient and sensitive diagnostic tool is thus needed for the early detection of IAV. Here, we developed a wash-free magnetic bioassay and further integrated it with a handheld platform based on giant-magnetoresistance (GMR) sensors. The wash-free magnetic bioassay significantly accelerates and simplifies the detection process. This brand-new system was successful in detecting both IAV nucleoprotein and IAV-contained nasal swab samples from pigs on the farm. The limit of detection (LOD) is 0.3 nM for IAV nucleoprotein and 250 TCID50/mL for IAV-spiked nasal swab samples. The detection of nasal swab samples containing unpurified IAV was also performed, demonstrating the capability of the magnetic wash-free assay in the detection of biomarkers in complex sample matrix.
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Affiliation(s)
- Diqing Su
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, United States
| | - Kai Wu
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Venkatramana D Krishna
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN, United States
| | - Todd Klein
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Jinming Liu
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Yinglong Feng
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Andres M Perez
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN, United States
| | - Maxim C-J Cheeran
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN, United States
| | - Jian-Ping Wang
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, United States.,Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States
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36
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Nanoparticle based simple electrochemical biosensor platform for profiling of protein-nucleic acid interactions. Talanta 2019; 195:46-54. [DOI: 10.1016/j.talanta.2018.11.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/02/2018] [Accepted: 11/05/2018] [Indexed: 12/24/2022]
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Huber S, Min C, Staat C, Oh J, Castro CM, Haase A, Weissleder R, Gleich B, Lee H. Multichannel digital heteronuclear magnetic resonance biosensor. Biosens Bioelectron 2019; 126:240-248. [PMID: 30445298 PMCID: PMC6483068 DOI: 10.1016/j.bios.2018.10.052] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 10/20/2018] [Accepted: 10/23/2018] [Indexed: 01/05/2023]
Abstract
Low-field, mobile NMR systems are increasingly used across diverse fields, including medical diagnostics, food quality control, and forensics. The throughput and functionality of these systems, however, are limited due to their conventional single-channel detection: one NMR probe exclusively uses an NMR console at any given time. Under this design, multi-channel detection could only be accomplished by either serially accessing individual probes or stacking up multiple copies of NMR electronics; this approach still retains limitations such as long assay times and increased system complexity. Here we present a new scalable architecture, HERMES (hetero-nuclear resonance multichannel electronic system), for versatile, high-throughput NMR analyses. HERMES exploits the concept of software-defined radio by virtualizing NMR electronics in the digital domain. This strategy i) creates multiple NMR consoles without adding extra hardware; ii) acquires signals from multiple NMR channels in parallel; and iii) operates in wide frequency ranges. All of these functions could be realized on-demand in a single compact device. We interfaced HERMES with an array of NMR probes; the combined system simultaneously measured NMR relaxation from multiple samples and resolved spectra of hetero-nuclear spins (1H, 19F, 13C). For potential diagnostic uses, we applied the system to detect dengue fever and molecularly profile cancer cells through multi-channel protein assays. HERMES holds promise as a powerful analytical tool that enables rapid, reconfigurable, and parallel detection.
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Affiliation(s)
- Stephan Huber
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Munich School of BioEngineering (MSB), Technical University Munich, 85748 Garching, Germany
| | - Changwook Min
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Harvard-MIT Health Sciences and Technology, MIT, Cambridge, MA 02139, USA
| | - Christoph Staat
- Munich School of BioEngineering (MSB), Technical University Munich, 85748 Garching, Germany
| | - Juhyun Oh
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Cesar M Castro
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Axel Haase
- Munich School of BioEngineering (MSB), Technical University Munich, 85748 Garching, Germany
| | - Ralph Weissleder
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Department of Systems Biology, Harvard Medical School, Boston, MA 02114, USA
| | - Bernhard Gleich
- Munich School of BioEngineering (MSB), Technical University Munich, 85748 Garching, Germany
| | - Hakho Lee
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Center for NanoMedicine, Institute for Basic Science (IBS), Seoul 03722, Republic of Korea.
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38
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Moretti D, DiFrancesco ML, Sharma PP, Dante S, Albisetti E, Monticelli M, Bertacco R, Petti D, Baldelli P, Benfenati F. Biocompatibility of a Magnetic Tunnel Junction Sensor Array for the Detection of Neuronal Signals in Culture. Front Neurosci 2018; 12:909. [PMID: 30618547 PMCID: PMC6299031 DOI: 10.3389/fnins.2018.00909] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 11/19/2018] [Indexed: 11/17/2022] Open
Abstract
Magnetoencephalography has been established nowadays as a crucial in vivo technique for clinical and diagnostic applications due to its unprecedented spatial and temporal resolution and its non-invasive methods. However, the innate nature of the biomagnetic signals derived from active biological tissue is still largely unknown. One alternative possibility for in vitro analysis is the use of magnetic sensor arrays based on Magnetoresistance. However, these sensors have never been used to perform long-term in vitro studies mainly due to critical biocompatibility issues with neurons in culture. In this study, we present the first biomagnetic chip based on magnetic tunnel junction (MTJ) technology for cell culture studies and show the biocompatibility of these sensors. We obtained a full biocompatibility of the system through the planarization of the sensors and the use of a three-layer capping of SiO2/Si3N4/SiO2. We grew primary neurons up to 20 days on the top of our devices and obtained proper functionality and viability of the overlying neuronal networks. At the same time, MTJ sensors kept their performances unchanged for several weeks in contact with neurons and neuronal medium. These results pave the way to the development of high performing biomagnetic sensing technology for the electrophysiology of in vitro systems, in analogy with Multi Electrode Arrays.
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Affiliation(s)
- Daniela Moretti
- Center of Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy
| | - Mattia Lorenzo DiFrancesco
- Center of Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy.,IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | | | - Silvia Dante
- Department of Nanoscopy & NIC@IIT, Istituto Italiano di Tecnologia, Genova, Italy
| | | | | | - Riccardo Bertacco
- Department of Physics, Politecnico di Milano, Milan, Italy.,IFN-CNR, Politecnico di Milano, Milan, Italy
| | - Daniela Petti
- Department of Physics, Politecnico di Milano, Milan, Italy
| | - Pietro Baldelli
- Center of Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy.,Department of Experimental Medicine, University of Genova, Genova, Italy
| | - Fabio Benfenati
- Center of Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy.,IRCCS Ospedale Policlinico San Martino, Genova, Italy
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Trivedi NN, Brown JK, Rubenstein T, Rostykus AD, Fish AL, Yu H, Carbonell L, Juang A, Kamer S, Patel B, Sidhu M, Vuong D, Wang S, Beggs M, Wu AHB, Arjomandi M. Analytical validation of a novel multi-analyte plasma test for lung nodule characterization. BIOMEDICAL RESEARCH AND REVIEWS 2018; 2:123. [PMID: 32923944 PMCID: PMC7486005 DOI: 10.15761/brr.1000123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND In the National Lung Screening Trial, 96.4% of nodules had benign etiology. To avoid unnecessary actions and exposure to harm, individuals with benign disease must be identified. We describe herein the analytical validation of a multi-analyte immunoassay for characterizing the risk that a lung nodule found on CT is malignant. Those at lower risk may be considered for serial surveillance to avoid unnecessary and potentially harmful procedures. While those nodules characterized at higher risk may be appropriate for more aggressive actions. OBJECTIVE To validate the analytical performance of multiplexed plasma protein assays used in a novel test for lung nodule characterization. METHODS A multiplexed immunoassay panel for the measurement of plasma proteins in current smokers who present with a lung nodule on CT scan was evaluated in a clinical testing laboratory. Assay analytical sensitivity, reproducibility, precision, and recovery of Epidermal Growth Factor Receptor (EGFR), Prosurfactant protein B (ProSB), and Tissue Inhibitor of Metalloproteinases 1 (TIMP1) from human EDTA plasma samples were evaluated across multiple runs, lots, and technicians. Interfering substances and sample pre-analytical storage conditions were evaluated for their effect on analyte recovery. The lung nodule risk score reproducibility was assessed across multiple lots. RESULTS The assay sensitivities were 0.10 ng/mL EGFR, 0.02 ng/mL ProSB, and 0.29 ng/mL TIMP1 with over three orders of magnitude in the assay dynamic ranges. The assays and analytes are robust to pre-analytical sample handling and the plasma can be stored for up to 4 days at 4°C either when freshy collected or thawed after long-term storage at -80°C. Total imprecision after 20 days of testing remained under 9% for all three assays. Risk score variability remained within a ± 10% risk score range. CONCLUSIONS The three protein assays comprising the multi-analyte plasma test for lung nodule characterization performed quite acceptably in a clinical laboratory.
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Affiliation(s)
| | | | | | | | | | - Heng Yu
- MagArray Inc, Milpitas, CA, USA
| | | | | | | | | | | | | | | | | | - Alan HB Wu
- University of California, San Francisco, USA
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40
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Magneto-nanosensor smartphone platform for the detection of HIV and leukocytosis at point-of-care. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 16:10-19. [PMID: 30502420 DOI: 10.1016/j.nano.2018.11.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 10/08/2018] [Accepted: 11/01/2018] [Indexed: 11/23/2022]
Abstract
The advent of personalized medicine has brought an increased interest in personal health among general consumers. As a result, there is a great need for user-centric point-of-care (POC) health devices. Such devices are equally pertinent in developing countries or resource-limited settings for performing diagnostic tests. However, current POC tests for diseases such as human immunodeficiency virus (HIV) or leukocytosis do not provide adequate levels of sensitivity or do not exist at all. Here, we extend our mobile magneto-nanosensor platform to point-of-care HIV and leukocytosis detection. The platform can be multiplexed, and the circuitry enables portability and sensitivity in the POC setting. A smartphone application simplifies operation and provides guidance to facilitate self-testing. Commercially available POC test kits typically provide only qualitative or semi-quantitative results of a single analyte. The magneto-nanosensor platform can provide users with pleasant user-experience while demonstrating robust sensitive and specific multiplexed quantification and detection of common diseases.
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41
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Liu Y, Bao WJ, Zhang QW, Li J, Li J, Xu JJ, Xia XH, Chen HY. Water as a Universal Infrared Probe for Bioanalysis in Aqueous Solution by Attenuated Total Reflection-Surface Enhanced Infrared Absorption Spectroscopy. Anal Chem 2018; 90:12979-12985. [PMID: 30296050 DOI: 10.1021/acs.analchem.8b03659] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Monitoring the properties and reactions of biomolecules at their interface has attracted ever-growing interest. Here, we propose an approach of infrared analysis technique that utilizes water molecule as a universal probe for in situ and label free monitoring of interfacial bioevents in aqueous solution with high sensitivity. The strong infrared (IR) signal of O-H stretching vibrations from the repelled water is used to sensitively reveal the kinetics of interfacial bioevents at molecular level based on the steric displacement of water using an attenuated total reflection-surface enhanced infrared absorption spectroscopy. Using interfacial immuno-recognition and DNA hybridization as demonstrations, water IR probe offers 26 and 34 times higher sensitivity and even 200 and 86 times lower detection limit for immunosensing and DNA sensing, respectively, as compared to the traditional IR molecular fingerprints.
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Affiliation(s)
- Yang Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
| | - Wen-Jing Bao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
| | - Qian-Wen Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
| | - Jin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
| | - Jian Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , People's Republic of China
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42
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Hong L, Li H, Yang H, Sengupta K. Nano-plasmonics and electronics co-integration in CMOS enabling a pill-sized multiplexed fluorescence microarray system. BIOMEDICAL OPTICS EXPRESS 2018; 9:5735-5758. [PMID: 30460159 PMCID: PMC6238921 DOI: 10.1364/boe.9.005735] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 09/11/2018] [Accepted: 09/12/2018] [Indexed: 06/09/2023]
Abstract
The ultra-miniaturization of massively multiplexed fluorescence-based bio-molecular sensing systems for proteins and nucleic acids into a chip-scale form, small enough to fit inside a pill (∼ 0.1cm3), can revolutionize sensing modalities in-vitro and in-vivo. Prior miniaturization techniques have been limited to focusing on traditional optical components (multiple filter sets, lenses, photo-detectors, etc.) arranged in new packaging systems. Here, we report a method that eliminates all external optics and miniaturizes an entire multiplexed fluorescence system into a 2 × 1 mm2 chip through co-integration for the first time of massively scalable nano-plasmonic multi-functional optical elements and electronic processing circuitry realized in an industry standard complementary-metal-oxide semiconductor (CMOS) foundry process with absolutely 'no change' in fabrication or processing. The implemented nano-waveguide based filters operating in the visible and near-IR realized with the embedded sub-wavelength multi-layer copper-based electronic interconnects inside the chip show for the first time a sub-wavelength surface plasmon polariton mode inside CMOS. This is the principle behind the angle-insensitive nature of the filtering that operates in the presence of uncollimated and scattering environments, enabling the first optics-free 96-sensor CMOS fluorescence sensing system. The chip demonstrates the surface sensitivity of zeptomoles of quantum dot-based labels, and volume sensitivities of ∼ 100 fM for nucleic acids and ∼ 5 pM for proteins that are comparable to, if not better, than commercial fluorescence readers. The ability to integrate multi-functional nano-optical structures in a commercial CMOS process, along with all the complex electronics, can have a transformative impact and enable a new class of miniaturized and scalable chip-sized optical sensors.
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Affiliation(s)
- Lingyu Hong
- Department of Electrical Engineering. Princeton University, NJ 08544, USA
| | - Hao Li
- Department of Chemistry, Princeton University, NJ 08544, USA
| | - Haw Yang
- Department of Chemistry, Princeton University, NJ 08544, USA
| | - Kaushik Sengupta
- Department of Electrical Engineering. Princeton University, NJ 08544, USA
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43
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Chen Y, Ding X, Zhang Y, Natalia A, Sun X, Wang Z, Shao H. Design and synthesis of magnetic nanoparticles for biomedical diagnostics. Quant Imaging Med Surg 2018; 8:957-970. [PMID: 30505724 DOI: 10.21037/qims.2018.10.07] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Sensitive and quantitative characterization of clinically relevant biomarkers can facilitate disease diagnosis and treatment evaluation. Magnetic nanomaterials and their biosensing strategies have recently received considerable attention. Magnetic signals experience little interference from native biological background as most biological molecules have negligible magnetic susceptibilities and thus appear transparent to external magnetic fields. Because of this unique property, magnetic sensing can be applied to both in vivo deep tissue imaging as well as ex vivo point-of-care diagnostics. To exploit this mode of magnetic detection, new advancements in both magnetic material syntheses and sensing technologies have been made. This review focuses on recent developments of magnetic nanomaterials as image contrast agents and diagnostic sensors. These developments have not only enabled precise control of magnetic nanomaterial properties but also expanded the reach of magnetic detection for biomedical diagnostics.
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Affiliation(s)
- Yuan Chen
- Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, Singapore 117599, Singapore.,Biomedical Institute for Global Health Research and Technology, National University of Singapore, Singapore 117599, Singapore
| | - Xianguang Ding
- Biomedical Institute for Global Health Research and Technology, National University of Singapore, Singapore 117599, Singapore
| | - Yan Zhang
- Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, Singapore 117599, Singapore.,Biomedical Institute for Global Health Research and Technology, National University of Singapore, Singapore 117599, Singapore
| | - Auginia Natalia
- Biomedical Institute for Global Health Research and Technology, National University of Singapore, Singapore 117599, Singapore
| | - Xuecheng Sun
- Biomedical Institute for Global Health Research and Technology, National University of Singapore, Singapore 117599, Singapore
| | - Zhigang Wang
- Biomedical Institute for Global Health Research and Technology, National University of Singapore, Singapore 117599, Singapore
| | - Huilin Shao
- Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, Singapore 117599, Singapore.,Biomedical Institute for Global Health Research and Technology, National University of Singapore, Singapore 117599, Singapore.,Institute of Molecular and Cell Biology, Agency for Science, Technology and Research, Singapore 138673, Singapore.,Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore
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44
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Zhou B, Rinehart JD. A Size Threshold for Enhanced Magnetoresistance in Colloidally Prepared CoFe 2O 4 Nanoparticle Solids. ACS CENTRAL SCIENCE 2018; 4:1222-1227. [PMID: 30276256 PMCID: PMC6161051 DOI: 10.1021/acscentsci.8b00399] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Indexed: 05/25/2023]
Abstract
The phenomenon of granular magnetoresistance offers the promise of rapid functional materials discovery and high-sensitivity, low-cost sensing technology. Since its discovery over 25 years ago, a major challenge has been the preparation of solids composed of well-characterized, uniform, nanoscale magnetic domains. Rapid advances in colloidal nanochemistry now facilitate the study of more complex and finely controlled materials, enabling the rigorous exploration of the fundamental nature and maximal capabilities of this intriguing class of spintronic materials. We present the first study of size-dependence in granular magnetoresistance using colloidal nanoparticles. These data demonstrate a strongly nonlinear size-dependent magnetoresistance with smaller particles having strong ΔR/R ∼ 18% at 300 K and larger particles showing a 3-fold decline. Importantly, this indicates that CoFe2O4 can act as an effective room temperature granular magnetoresistor and that neither a high superparamagnetic blocking temperature nor a low overall resistance are determining factors in viable magnetoresistance values for sensing applications. These results demonstrate the promise of wider exploration of nontraditional granular structures composed of nanomaterials, molecule-based magnets, and metal-organic frameworks.
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Affiliation(s)
- Benjamin
H. Zhou
- Materials
Science and Engineering Program and Department of Chemistry and Biochemistry, University of California—San Diego, La Jolla, California 92093, United States
| | - Jeffrey D. Rinehart
- Materials
Science and Engineering Program and Department of Chemistry and Biochemistry, University of California—San Diego, La Jolla, California 92093, United States
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45
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Zhang X, Vernier N, Cao Z, Leng Q, Cao A, Ravelosona D, Zhao W. Magnetoresistive sensors based on the elasticity of domain walls. NANOTECHNOLOGY 2018; 29:365502. [PMID: 29916819 DOI: 10.1088/1361-6528/aacd90] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Magnetic sensors based on magnetoresistance effects have promising application prospects due to their excellent sensitivity and their advantages in terms of integration. However, the competition between higher sensitivity and a larger measuring range remains a problem. Here, we propose a novel mechanism for designing magnetoresistive sensors: probing the perpendicular field by detecting the expansion of the elastic magnetic domain wall in the free layer of a spin valve or a magnetic tunnel junction. The performances of devices based on this mechanism, such as the sensitivity and the measuring range, can be tuned by manipulating the geometry of the device. This can be achieved without changing the intrinsic properties of the material, thus promising a higher integration level and a better performance. The mechanism is theoretically explained based on the experimental results. Two examples are proposed and their functionality and performances are verified via a micromagnetic simulation.
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Affiliation(s)
- Xueying Zhang
- Beihang-Goertek Joint Microelectronics Institute, Qingdao Research Institute, Beihang University, 266101 Qingdao, People's Republic of China. Fert Beijing Institute, BDBC, School of Electronic and Information Engineering, Beihang University, 100191 Beijing, People's Republic of China. Centre for Nanoscience and Nanotechnology, University Paris-Saclay, 91405 Orsay, France
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46
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Xianyu Y, Wang Q, Chen Y. Magnetic particles-enabled biosensors for point-of-care testing. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.07.010] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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47
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Richheimer F, Costa M, Leitao DC, Gaspar J, Cardoso S, Freitas PP. 3D Magnetic Field Reconstruction Methodology Based on a Scanning Magnetoresistive Probe. SENSORS (BASEL, SWITZERLAND) 2018; 18:s18072049. [PMID: 29954089 PMCID: PMC6069358 DOI: 10.3390/s18072049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 06/23/2018] [Accepted: 06/25/2018] [Indexed: 06/08/2023]
Abstract
The present work provides a detailed description on quantitative 3D magnetic field reconstruction using a scanning magnetoresistance microscopy setup incorporating a 19.5 μm × 2.5 μm magnetoresistive sensor. Therefore, making use of a rotation stage, 11 nm thick ferromagnetic CoFe elements with 20 μm × 5 μm planar size were measured along different sensor axes and converted into cartesian coordinate magnetic field components by use of the analytical coordinate transform equations. The reconstruction steps were followed and validated by numerical simulations based on a field averaging model caused by a non-negligible sensor volume. Detailed in-plane magnetic component reconstruction with ability to reconstruct sub-micrometer features is achieved. A discussion on the limiting factors for optimal resolution is presented.
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Affiliation(s)
- Filipe Richheimer
- INESC-Microsistemas e Nanotecnologias (INESC-MN), 1000-029 Lisboa, Portugal.
- Physics Department, Instituto Superior Tecnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal.
| | - Margaret Costa
- International Iberian Nanotecnology Laboratory (INL), 4715-330 Braga, Portugal.
| | - Diana C Leitao
- INESC-Microsistemas e Nanotecnologias (INESC-MN), 1000-029 Lisboa, Portugal.
- Physics Department, Instituto Superior Tecnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal.
| | - João Gaspar
- International Iberian Nanotecnology Laboratory (INL), 4715-330 Braga, Portugal.
| | - Susana Cardoso
- INESC-Microsistemas e Nanotecnologias (INESC-MN), 1000-029 Lisboa, Portugal.
- Physics Department, Instituto Superior Tecnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal.
| | - Paulo P Freitas
- Physics Department, Instituto Superior Tecnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal.
- International Iberian Nanotecnology Laboratory (INL), 4715-330 Braga, Portugal.
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48
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Reisbeck M, Richter L, Helou MJ, Arlinghaus S, Anton B, van Dommelen I, Nitzsche M, Baßler M, Kappes B, Friedrich O, Hayden O. Hybrid integration of scalable mechanical and magnetophoretic focusing for magnetic flow cytometry. Biosens Bioelectron 2018; 109:98-108. [DOI: 10.1016/j.bios.2018.02.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 02/19/2018] [Accepted: 02/20/2018] [Indexed: 10/17/2022]
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49
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50
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Bao WJ, Li J, Li J, Zhang QW, Liu Y, Shi CF, Xia XH. Au/ZnSe-Based Surface Enhanced Infrared Absorption Spectroscopy as a Universal Platform for Bioanalysis. Anal Chem 2018; 90:3842-3848. [DOI: 10.1021/acs.analchem.7b04505] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Wen-Jing Bao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China
| | - Jian Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China
| | - Jin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China
| | - Qian-Wen Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China
| | - Yang Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China
| | - Cai-Feng Shi
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China
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