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Ezzat N, Hefnawy MA, Fadlallah SA, El-Sherif RM, Medany SS. Synthesis of nickel-sphere coated Ni-Mn layer for efficient electrochemical detection of urea. Sci Rep 2024; 14:14818. [PMID: 38937495 PMCID: PMC11211473 DOI: 10.1038/s41598-024-64707-z] [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: 03/14/2024] [Accepted: 06/12/2024] [Indexed: 06/29/2024] Open
Abstract
Using a trustworthy electrochemical sensor in the detection of urea in real blood samples received a great attention these days. A thin layer of nickel-coated nickel-manganese (Ni@NiMn) is electrodeposited on a glassy carbon electrode (GC) (Ni@NiMn/GC) surface and used to construct the electrochemical sensor for urea detection. Whereas, electrodeposition is considered as strong technique for the controllable synthesis of nanoparticles. Thus, X-ray diffraction (XRD), atomic force microscope (AFM), and scanning electron microscope (SEM) techniques were used to characterize the produced electrode. AFM and SEM pictures revealed additional details about the surface morphology, which revealed a homogenous and smooth coating. Furthermore, electrochemical research was carried out in alkaline medium utilizing various electrochemical methods, including cyclic voltammetry (CV), chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS). The electrochemical investigations showed that the electrode had good performance, high stability and effective charge transfer capabilities. The structural, morphological, and electrochemical characteristics of Ni@NiMn/GC electrodes were well understood using the analytical and electrochemical techniques. The electrode showed a limit of detection (LOD) equal to 0.0187 µM and a linear range of detection of 1.0-10 mM of urea. Furthermore, real blood samples were used to examine the efficiency of the prepared sensor. Otherwise, the anti-interfering ability of the modified catalyst was examined toward various interfering species.
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Affiliation(s)
- Nourhan Ezzat
- Bio Nanotechnology Department, Faculty of Nanotechnology, Cairo University, Giza, Egypt
| | - Mahmoud A Hefnawy
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Sahar A Fadlallah
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
- Biotechnology Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Rabab M El-Sherif
- Bio Nanotechnology Department, Faculty of Nanotechnology, Cairo University, Giza, Egypt
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Shymaa S Medany
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt.
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2
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Desai S, Naveen R, Goudanavar PS, Gowthami B. Nanobiosensors: Concepts and Emerging Clinical Applications. Pharm Nanotechnol 2024; 12:197-205. [PMID: 37680159 DOI: 10.2174/2211738511666230901160530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 07/20/2023] [Accepted: 07/26/2023] [Indexed: 09/09/2023]
Abstract
Biosensors have been one of the most fascinating topics for scientists for a long time. This is because biological moieties are multifaceted and are unswervingly related to the presence of a healthy atmosphere. The biosensor approach has also endured profound changes in recent years. Biosensors have been emphasized for various applications, including food quality estimation, surveillance systems, and health and metabolic abnormality diagnostics. The advances in nanotechnology have led to a considerable potential to enhance biosensors' sensitivity, robustness, and anti-interference capabilities. Several new nanomaterials (such as nanoparticles, nanotubes, nanorods, and nanowires) have been fabricated due to the evolution of nanotechnology, and their unique features are gradually being identified, allowing for much faster detection and reproducibility. Biosensor performance has also been enhanced substantially as a result of their use. Because of their capacity to detect a wide range of compounds at deficient concentrations, nanobiosensors have sparked much interest. This article discusses biosensors based on various nanomaterials, their evolution, accompanying features, and their applications in multiple fields.
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Affiliation(s)
- Sagar Desai
- Department of Pharmaceutics, Sri Adichunchanagiri College of Pharmacy, Adichunchanagiri University, B.G. Nagar, Karnataka, 571448, India
| | - Raghavendra Naveen
- Department of Pharmaceutics, Sri Adichunchanagiri College of Pharmacy, Adichunchanagiri University, B.G. Nagar, Karnataka, 571448, India
| | - Prakash S Goudanavar
- Department of Pharmaceutics, Sri Adichunchanagiri College of Pharmacy, Adichunchanagiri University, B.G. Nagar, Karnataka, 571448, India
| | - Buduru Gowthami
- Department of Pharmaceutics, Annamacharya College of Pharmacy, New Boyanapalli, Rajampet, 516126, Andhra Pradesh, India
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3
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GhaderiShekhiAbadi P, Irani M, Noorisepehr M, Maleki A. Magnetic biosensors for identification of SARS-CoV-2, Influenza, HIV, and Ebola viruses: a review. NANOTECHNOLOGY 2023; 34:272001. [PMID: 36996779 DOI: 10.1088/1361-6528/acc8da] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
Infectious diseases such as novel coronavirus (SARS-CoV-2), Influenza, HIV, Ebola, etc kill many people around the world every year (SARS-CoV-2 in 2019, Ebola in 2013, HIV in 1980, Influenza in 1918). For example, SARS-CoV-2 has plagued higher than 317 000 000 people around the world from December 2019 to January 13, 2022. Some infectious diseases do not yet have not a proper vaccine, drug, therapeutic, and/or detection method, which makes rapid identification and definitive treatments the main challenges. Different device techniques have been used to detect infectious diseases. However, in recent years, magnetic materials have emerged as active sensors/biosensors for detecting viral, bacterial, and plasmids agents. In this review, the recent applications of magnetic materials in biosensors for infectious viruses detection have been discussed. Also, this work addresses the future trends and perspectives of magnetic biosensors.
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Affiliation(s)
| | - Mohammad Irani
- Department of Pharmaceutics, Faculty of Pharmacy, Alborz University of Medical Sciences, Karaj, Iran
| | - Mohammad Noorisepehr
- Environmental Health Engineering Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
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4
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Hernandez AL, Pujari SP, Laguna MF, Santamaría B, Zuilhof H, Holgado M. Efficient Chemical Surface Modification Protocol on SiO 2 Transducers Applied to MMP9 Biosensing. SENSORS 2021; 21:s21238156. [PMID: 34884157 PMCID: PMC8662398 DOI: 10.3390/s21238156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/02/2021] [Accepted: 12/04/2021] [Indexed: 12/01/2022]
Abstract
The bioreceptor immobilization process (biofunctionalization) turns to be one of the bottlenecks when developing a competent and high sensitivity label-free biosensor. Classical approaches seem to be effective but not efficient. Although biosensing capacities are shown in many cases, the performance of the biosensor is truncated by the inefficacious biofunctionalization protocol and the lack of reproducibility. In this work, we describe a unique biofunctionalization protocol based on chemical surface modification through silane chemistry on SiO2 optical sensing transducers. Even though silane chemistry is commonly used for sensing applications, here we present a different mode of operation, applying an unusual silane compound used for this purpose (3-Ethoxydimethylsilyl)propylamine, APDMS, able to create ordered monolayers, and minimizing fouling events. To endorse this protocol as a feasible method for biofunctionalization, we performed multiple surface characterization techniques after all the process steps: Contact angle (CA), X-ray photoelectron spectroscopy (XPS), ellipsometry, and fluorescence microscopy. Finally, to evidence the outputs from the SiO2 surface characterization, we used those SiO2 surfaces as optical transducers for the label-free biosensing of matrix metalloproteinase 9 (MMP9). We found and demonstrated that the originally designed protocol is reproducible, stable, and suitable for SiO2-based optical sensing transducers.
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Affiliation(s)
- Ana L. Hernandez
- Centre for Biomedical Technology, Universidad Politécnica de Madrid, Campus de Montegancedo, Pozuelo de Alarcon, 28223 Madrid, Spain; (M.F.L.); (B.S.); (M.H.)
- Correspondence: ; Tel.: +34-609-0020134
| | - Sidharam P. Pujari
- Laboratory of Organic Chemistry, Wageningen University & Research, Stippeneng 4, WE 6708 Wageningen, The Netherlands; (S.P.P.); (H.Z.)
| | - María F. Laguna
- Centre for Biomedical Technology, Universidad Politécnica de Madrid, Campus de Montegancedo, Pozuelo de Alarcon, 28223 Madrid, Spain; (M.F.L.); (B.S.); (M.H.)
- Department of Applied Physics, Escuela Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/Jose Gutierrez Abascal, 28006 Madrid, Spain
| | - Beatriz Santamaría
- Centre for Biomedical Technology, Universidad Politécnica de Madrid, Campus de Montegancedo, Pozuelo de Alarcon, 28223 Madrid, Spain; (M.F.L.); (B.S.); (M.H.)
- Department of Chemical, Mechanical and Industrial Design Engineering, ETS de Ingeniería y Diseño Industrial, Universidad Politécnica de Madrid, Ronda de Valencia 3, 28012 Madrid, Spain
| | - Han Zuilhof
- Laboratory of Organic Chemistry, Wageningen University & Research, Stippeneng 4, WE 6708 Wageningen, The Netherlands; (S.P.P.); (H.Z.)
- Institute for Molecular Design and Synthesis, School of Pharmaceutical Science & Technology, Tianjin University, 92 Weijin Road Nankai District, Tianjin 300072, China
- Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Miguel Holgado
- Centre for Biomedical Technology, Universidad Politécnica de Madrid, Campus de Montegancedo, Pozuelo de Alarcon, 28223 Madrid, Spain; (M.F.L.); (B.S.); (M.H.)
- Department of Applied Physics, Escuela Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/Jose Gutierrez Abascal, 28006 Madrid, Spain
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5
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Abstract
The field of nanotechnology has been a significant research focus in the last thirty years. This emphasis is due to the unique optical, electrical, magnetic, chemical and biological properties of materials approximately ten thousand times smaller than the diameter of a hair strand. Researchers have developed methods to synthesize and characterize large libraries of nanomaterials and have demonstrated their preclinical utility. We have entered a new phase of nanomedicine development, where the focus is to translate these technologies to benefit patients. This review article provides an overview of nanomedicine's unique properties, the current state of the field, and discusses the challenge of clinical translation. Finally, we discuss the need to build and strengthen partnerships between engineers and clinicians to create a feedback loop between the bench and bedside. This partnership will guide fundamental studies on the nanoparticle-biological interactions, address clinical challenges and change the development and evaluation of new drug delivery systems, sensors, imaging agents and therapeutic systems.
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Affiliation(s)
- Shrey Sindhwani
- From the, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.,Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Warren C W Chan
- From the, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.,Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada.,Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada.,Department of Chemistry, University of Toronto, Toronto, ON, Canada.,Faculty of Applied Science and Engineering, University of Toronto, Toronto, ON, Canada.,Donnelly Center for Cellular and Biomolecular Research, University of Toronto, Toronto, ON, Canada.,Materials Science and Engineering, University of Toronto, Toronto, ON, Canada
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6
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Ivanov AO, Camp PJ. Effects of interactions on magnetization relaxation dynamics in ferrofluids. Phys Rev E 2020; 102:032610. [PMID: 33075873 DOI: 10.1103/physreve.102.032610] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 09/01/2020] [Indexed: 11/07/2022]
Abstract
The dynamics of magnetization relaxation in ferrofluids are studied with statistical-mechanical theory and Brownian dynamics simulations. The particle dipole moments are initially perfectly aligned, and the magnetization is equal to its saturation value. The magnetization is then allowed to decay under zero-field conditions toward its equilibrium value of zero. The time dependence is predicted by solving the Fokker-Planck equation for the one-particle orientational distribution function. Interactions between particles are included by introducing an effective magnetic field acting on a given particle and arising from all of the other particles. Two different approximations are proposed and tested against simulations: a first-order modified mean-field theory and a modified Weiss model. The theory predicts that the short-time decay is characterized by the Brownian rotation time τ_{B}, independent of the interaction strength. At times much longer than τ_{B}, the asymptotic decay time is predicted to grow with increasing interaction strength. These predictions are borne out by the simulations. The modified Weiss model gives the best agreement with simulation, and its range of validity is limited to moderate, but realistic, values of the dipolar coupling constant.
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Affiliation(s)
- Alexey O Ivanov
- Department of Theoretical and Mathematical Physics, Ural Mathematical Center, Institute of Natural Sciences and Mathematics, Ural Federal University, 51 Lenin Avenue, Ekaterinburg 620000, Russia
| | - Philip J Camp
- School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, Scotland and Department of Theoretical and Mathematical Physics, Institute of Natural Sciences and Mathematics, Ural Federal University, 51 Lenin Avenue, Ekaterinburg 620000, Russia
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7
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Sankova N, Shalaev P, Semeykina V, Dolgushin S, Odintsova E, Parkhomchuk E. Spectrally encoded microspheres for immunofluorescence analysis. J Appl Polym Sci 2020. [DOI: 10.1002/app.49890] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Natalya Sankova
- Department of Natural Sciences Novosibirsk State University Novosibirsk Russian Federation
- Boreskov Institute of Catalysis SB RAS, Group of template synthesis Novosibirsk Russian Federation
| | - Pavel Shalaev
- Gamaleya Research Center of Epidemiology and Microbiology, Translational Biomedicine Laboratory Moscow Russian Federation
- Aivok LLC Moscow Russian Federation
- National Research University of Electronic Technology, Institute of Biomedical Systems Moscow Russian Federation
| | - Viktoriya Semeykina
- Department of Natural Sciences Novosibirsk State University Novosibirsk Russian Federation
- Boreskov Institute of Catalysis SB RAS, Group of template synthesis Novosibirsk Russian Federation
| | - Sergey Dolgushin
- Gamaleya Research Center of Epidemiology and Microbiology, Translational Biomedicine Laboratory Moscow Russian Federation
- Aivok LLC Moscow Russian Federation
| | - Elena Odintsova
- Sechenov First Moscow State Medical University Moscow Russian Federation
| | - Ekaterina Parkhomchuk
- Department of Natural Sciences Novosibirsk State University Novosibirsk Russian Federation
- Boreskov Institute of Catalysis SB RAS, Group of template synthesis Novosibirsk Russian Federation
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8
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Fabrication of Bioprobe Self-Assembled on Au-Te Nanoworm Structure for SERS Biosensor. MATERIALS 2020; 13:ma13143234. [PMID: 32708092 PMCID: PMC7412440 DOI: 10.3390/ma13143234] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/17/2020] [Accepted: 07/17/2020] [Indexed: 11/16/2022]
Abstract
In the present study, we propose a novel biosensor platform using a gold-tellurium (Au-Te) nanoworm structure through surface-enhanced Raman spectroscopy (SERS). Au-Tenanoworm was synthesized by spontaneous galvanic replacement of sacrificial Te nanorods templated with Au (III) cations under ambient conditions. The fabricated Au-Te nanoworm exhibited an interconnected structure of small spherical nanoparticles and was found to be effective at enhancing Raman scattering. The Au-Te nanoworm-immobilized substrate exhibited the ability to detect thyroxine using an aptamer-tagged DNA three-way junction (3WJ) and glycoprotein 120 (GP120) human immunodeficiency virus (HIV) using an antibody. The modified substrates were investigated by scanning electron microscopy and atomic force microscopy (AFM). The optimal Au-Te nanoworm concentration and immobilization time for the thyroxine biosensor platform were further determined by SERS experimentation. Thus, the present study showed that the Au-Te nanoworm structure could be applied to various biosensor platforms.
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9
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Ren C, Bayin Q, Feng S, Fu Y, Ma X, Guo J. Biomarkers detection with magnetoresistance-based sensors. Biosens Bioelectron 2020; 165:112340. [PMID: 32729483 DOI: 10.1016/j.bios.2020.112340] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 01/06/2023]
Abstract
Biosensing platforms for detecting and quantifying biomarkers have played an important role in the past decade. Among them, platforms based on magnetoresistance (MR) sensing technology are attractive. The resistance value of the material changes with the externally applied magnetic field is the core mechanism of MR sensing technology. A typical MR-based sensor has the characteristics of cost-effective, simple operation, high compactness, and high sensitivity. Moreover, using magnetic nanoparticles (MNPs) as labels, MR-based sensors have the ability to overcome the high background noise of complex samples, so they are particularly suitable for point-of-care testing (POCT). However, the problem still exists. How to obtain high-throughput, that is, multiple detections of biomarkers in MR-based sensors, thereby improving detection efficiency and reducing the burden on patients is an important issue in future work. This paper reviews three MR-based detection technologies for the detection of biomarkers, i.e., anisotropic magnetoresistance (AMR), giant magnetoresistance (GMR), and tunneling magnetoresistance (TMR). Based on these three common technologies, different typical applications that include biomedical diagnosis, food safety, and environmental monitoring are presented. Furthermore, the existing MR-based detection method is better expanded to make it more in line with present detection needs by combining different advanced technologies including microfluidics, Microelectromechanical systems (MEMS), and Immunochromatographic test strips (ICTS). And then, a brief discussion of current challenges and perspectives of MR-based sensors are pointed out.
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Affiliation(s)
- Chunhui Ren
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, PR China
| | - Qiaoge Bayin
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, PR China
| | - Shilun Feng
- School of Electrical and Electronic Engineering, Nanyang Technological University, 639798, Singapore
| | - Yusheng Fu
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, PR China
| | - Xing Ma
- State Key Lab of Advanced Welding and Joining, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; Ministry of Education Key Lab of Micro-systems and Micro-structures Manufacturing, Harbin Institute of Technology, Harbin, 150001, PR China
| | - Jinhong Guo
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, PR China.
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10
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Liu J, Siavash Moakhar R, Sudalaiyadum Perumal A, Roman HN, Mahshid S, Wachsmann-Hogiu S. An AgNP-deposited commercial electrochemistry test strip as a platform for urea detection. Sci Rep 2020; 10:9527. [PMID: 32533102 PMCID: PMC7293235 DOI: 10.1038/s41598-020-66422-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 04/29/2020] [Indexed: 11/13/2022] Open
Abstract
We developed an inexpensive, portable platform for urea detection via electrochemistry by depositing silver nanoparticles (AgNPs) on a commercial glucose test strip. We modified this strip by first removing the enzymes from the surface, followed by electrodeposition of AgNPs on one channel (working electrode). The morphology of the modified test strip was characterized by Scanning Electron Microscopy (SEM), and its electrochemical performance was evaluated via Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS). We evaluated the performance of the device for urea detection via measurements of the dependency of peak currents vs the analyte concentration and from the relationship between the peak current and the square root of the scan rates. The observed linear range is 1-8 mM (corresponding to the physiological range of urea concentration in human blood), and the limit of detection (LOD) is 0.14 mM. The selectivity, reproducibility, reusability, and storage stability of the modified test strips are also reported. Additional tests were performed to validate the ability to measure urea in the presence of confounding factors such as spiked plasma and milk. The results demonstrate the potential of this simple and portable EC platform to be used in applications such as medical diagnosis and food safety.
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Affiliation(s)
- Juanjuan Liu
- Department of Bioengineering, McGill University, Montreal, Quebec, H3A 0C3, Canada
| | | | | | - Horia Nicolae Roman
- Department of Bioengineering, McGill University, Montreal, Quebec, H3A 0C3, Canada
| | - Sara Mahshid
- Department of Bioengineering, McGill University, Montreal, Quebec, H3A 0C3, Canada
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11
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Khizar S, Ben Halima H, Ahmad NM, Zine N, Errachid A, Elaissari A. Magnetic nanoparticles in microfluidic and sensing: From transport to detection. Electrophoresis 2020; 41:1206-1224. [DOI: 10.1002/elps.201900377] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 04/15/2020] [Accepted: 04/17/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Sumera Khizar
- Université de Lyon LAGEP, UMR‐5007, CNRS, Université Lyon 1, 5007 43 Bd 11 Novembre 1918 Villeurbanne F‐69622 France
- Polymer Research Lab School of Chemical and Materials Engineering (SCME) National University of Sciences and Technology (NUST) H‐12 Sector Islamabad 44000 Pakistan
| | - Hamdi Ben Halima
- Université de Lyon Institut des Science Analytiques UMR 5280, CNRS Université Lyon 1 ENS Lyon-5, rue de la Doua Villeurbanne F‐69100 France
| | - Nasir M. Ahmad
- Polymer Research Lab School of Chemical and Materials Engineering (SCME) National University of Sciences and Technology (NUST) H‐12 Sector Islamabad 44000 Pakistan
| | - Nadia Zine
- Université de Lyon Institut des Science Analytiques UMR 5280, CNRS Université Lyon 1 ENS Lyon-5, rue de la Doua Villeurbanne F‐69100 France
| | - Abdelhamid Errachid
- Université de Lyon Institut des Science Analytiques UMR 5280, CNRS Université Lyon 1 ENS Lyon-5, rue de la Doua Villeurbanne F‐69100 France
| | - Abdelhamid Elaissari
- Université de Lyon LAGEP, UMR‐5007, CNRS, Université Lyon 1, 5007 43 Bd 11 Novembre 1918 Villeurbanne F‐69622 France
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12
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Girigoswami K, Girigoswami A. A Review on the Role of Nanosensors in Detecting Cellular miRNA Expression in Colorectal Cancer. Endocr Metab Immune Disord Drug Targets 2020; 21:12-26. [PMID: 32410567 DOI: 10.2174/1871530320666200515115723] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 03/10/2020] [Accepted: 03/20/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Colorectal cancer (CRC) is one of the leading causes of death across the globe. Early diagnosis with high sensitivity can prevent CRC progression, thereby reducing the condition of metastasis. OBJECTIVE The purpose of this review is (i) to discuss miRNA based biomarkers responsible for CRC, (ii) to brief on the different methods used for the detection of miRNA in CRC, (iii) to discuss different nanobiosensors so far found for the accurate detection of miRNAs in CRC using spectrophotometric detection, piezoelectric detection. METHODS The keywords for the review like micro RNA detection in inflammation, colorectal cancer, nanotechnology, were searched in PubMed and the relevant papers on the topics of miRNA related to CRC, nanotechnology-based biosensors for miRNA detection were then sorted and used appropriately for writing the review. RESULTS The review comprises a general introduction explaining the current scenario of CRC, the biomarkers used for the detection of different cancers, especially CRC and the importance of nanotechnology and a general scheme of a biosensor. The further subsections discuss the mechanism of CRC progression, the role of miRNA in CRC progression and different nanotechnology-based biosensors so far investigated for miRNA detection in other diseases, cancer and CRC. A scheme depicting miRNA detection using gold nanoparticles (AuNPs) is also illustrated. CONCLUSION This review may give insight into the different nanostructures, like AuNPs, quantum dots, silver nanoparticles, MoS2derived nanoparticles, etc., based approaches for miRNA detection using biosensors.
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Affiliation(s)
- Koyeli Girigoswami
- Medical Bionanotechnology Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Chennai, 603103, India
| | - Agnishwar Girigoswami
- Medical Bionanotechnology Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Chennai, 603103, India
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13
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Bio-application of Inorganic Nanomaterials in Tissue Engineering. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1249:115-130. [PMID: 32602094 DOI: 10.1007/978-981-15-3258-0_8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Inorganic nanomaterials or nanoparticles (INPs) have drawn high attention for their usage in the biomedical field. In addition to the facile synthetic and modifiable property of INPs, INPs have various unique properties that originate from the components of the INPs, such as metal ions that are essential for the human body. Apart from their roles as components of the human body, inorganic materials have unique properties, such as magnetic, antibacterial, and piezoelectric, so that INPs have been widely used as either carriers or inducers. However, most of the bio-applicable INPs, especially those consisting of metal, can cause cytotoxicity. Therefore, INPs require modification to alleviate the harmful effect toward the cells by controlling the release of metal ions from INPs. Even though many attempts have been made to modify INPs, many things, including the side effects of INPs, still remain as obstacles in the bio-application, which need to be elucidated. In this chapter, we introduce novel INPs in terms of their synthetic method and bio-application in tissue engineering.
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14
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Golabiazar R, Omar ZA, Ahmad RN, Hasan SA, Sajadi SM. Synthesis and characterization of antibacterial magnetite-activated carbon nanoparticles. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819883884] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Magnetite iron oxide nanoparticles synthesized using the co-precipitation methods were further functionalized with activated carbon. The magnetite-activated carbon nanoparticles were characterized by scanning electron microscopy equipped with energy dispersive X-ray spectroscopy, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and UV-Vis spectroscopy. X-ray diffraction and Fourier transform infrared confirmed the functionalization of the Fe3O4 nanoparticles with the activated carbon. The X-ray diffraction studies demonstrate that magnetite-activated carbon nanoparticles were indexed into the spinel cubic lattice with a lattice parameter of 0.833 nm and an average particle size of about 14 nm. Various parameters such as dislocation density, microstrain, and surface morphological studies were calculated. However, this work implicated the use of magnetite-activated carbon nanoparticles in antibacterial studies. Further, the antibacterial effect of magnetite-activated carbon nanoparticles was evaluated against three pathogenic bacteria, which showed that the nanoparticles have moderate antibacterial activity against both Gram-positive ( Staphylococcus aureus) and Gram-negative ( Proteus mirabilis and Pseudomonas aureginosa) pathogenic bacterial strains in the presence of different magnetite-activated carbon nanoparticle concentrations at room temperature.
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Affiliation(s)
- Roonak Golabiazar
- Department of Chemistry, Faculty of Science, Soran University, Soran, Iraq
| | - Zagros A Omar
- Department of Chemistry, Faculty of Science, Soran University, Soran, Iraq
| | - Rekar N Ahmad
- Department of Chemistry, Faculty of Science, Soran University, Soran, Iraq
| | - Shano A Hasan
- Department of Chemistry, Faculty of Science, Soran University, Soran, Iraq
| | - S Mohammad Sajadi
- Department of Nutrition, Cihan University-Erbil, Erbil, Iraq
- Scientific Research Centre, Soran University, Soran, Iraq
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15
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Preparation and Characterization of a New Low Refractive Index Ferrofluid. MATERIALS 2019; 12:ma12101658. [PMID: 31121809 PMCID: PMC6567110 DOI: 10.3390/ma12101658] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 05/14/2019] [Accepted: 05/15/2019] [Indexed: 11/20/2022]
Abstract
In this research, a new low refractive index ferrofluid is proposed by coating magnetic nanoparticles with a layer of silver, applying the method of modified chemical co-precipitation. This preparation method is green and environmentally friendly without toxic gases being released. Coated nanoparticles are characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), X-ray photoelectron spectroscopy (XPS), and vibration sample magnetometery (VSM). These characterizations show that the silver nanoparticles grow on the surface of magnetic nanoparticles in this new ferrofluid. The hysteresis loop of this new ferrofluid demonstrates that it maintains superparamagnetic properties. A new method of refractive index measurement is applied in this research by employing a long-period grating (LPG) optical fiber sensor. The change value in the refractive index per unit concentration reduces by 16.46% compared to the conventional ferrofluid.
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16
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Araujo JFDF, Reis ALA, Oliveira VC, Santos AF, Luz-Lima C, Yokoyama E, Mendoza LAF, Pereira JMB, Bruno AC. Characterizing Complex Mineral Structures in Thin Sections of Geological Samples with a Scanning Hall Effect Microscope. SENSORS 2019; 19:s19071636. [PMID: 30959784 PMCID: PMC6479408 DOI: 10.3390/s19071636] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 01/09/2023]
Abstract
We improved a magnetic scanning microscope for measuring the magnetic properties of minerals in thin sections of geological samples at submillimeter scales. The microscope is comprised of a 200 µm diameter Hall sensor that is located at a distance of 142 µm from the sample; an electromagnet capable of applying up to 500 mT DC magnetic fields to the sample over a 40 mm diameter region; a second Hall sensor arranged in a gradiometric configuration to cancel the background signal applied by the electromagnet and reduce the overall noise in the system; a custom-designed electronics system to bias the sensors and allow adjustments to the background signal cancelation; and a scanning XY stage with micrometer resolution. Our system achieves a spatial resolution of 200 µm with a noise at 6.0 Hz of 300 nTrms/(Hz)1/2 in an unshielded environment. The magnetic moment sensitivity is 1.3 × 10-11 Am². We successfully measured the representative magnetization of a geological sample using an alternative model that takes the sample geometry into account and identified different micrometric characteristics in the sample slice.
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Affiliation(s)
- Jefferson F D F Araujo
- Department of Physics, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro 22451-900, Brazil.
| | - Andre L A Reis
- Department of Geophysics, Observatório Nacional, Rio de Janeiro 20921-400, Brazil.
| | - Vanderlei C Oliveira
- Department of Geophysics, Observatório Nacional, Rio de Janeiro 20921-400, Brazil.
| | - Amanda F Santos
- Department of Physics, University of California, Santa Barbara, CA 93106, USA.
| | - Cleanio Luz-Lima
- Department of Physics, Campus Ministro Petrônio Portella, Universidade Federal do Piauí, Teresina 64049-550, PI, Brazil.
| | - Elder Yokoyama
- Institute of Geosciences, University of Brasília, Brasília 70910-900, Brazil.
| | - Leonardo A F Mendoza
- Department of Electrical Engineering, Universidade Estadual do Rio de Janeiro, Rio de Janeiro 20550-900, Brazil.
| | | | - Antonio C Bruno
- Department of Physics, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro 22451-900, Brazil.
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17
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Zhao Y, Gao W, Ge X, Li S, Du D, Yang H. CdTe@SiO 2 signal reporters-based fluorescent immunosensor for quantitative detection of prostate specific antigen. Anal Chim Acta 2019; 1057:44-50. [PMID: 30832917 DOI: 10.1016/j.aca.2019.01.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/18/2018] [Accepted: 01/08/2019] [Indexed: 02/05/2023]
Abstract
In this paper, an immunosensor using CdTe@SiO2 core-shell nanoparticles as labels was constructed for highly sensitive detection of prostate-specific antigen (PSA). In this approach, CdTe@SiO2 core-shell nanoparticles were synthesized using the sol-gel method. The additional Cd ions and sulfur source in SiO2 shell can greatly enhance the fluorescence intensity of CdTe nanocrystals. The reason is the formation of CdS-like cluster in SiO2 shell, which reduced the quantum size effect. The obtained CdTe@SiO2 nanoparticles also exhibited excellent biocompatibility, which was ideal for applying in biomarker detection. Furthermore, PSA capture antibodies functionalized magnetic Fe3O4 nanoparticles (Fe3O4-Ab1) were utilized in the proposed immunosensor to capture and enrich the PSA. The captured PSA was then immuno-recognized by CdTe@SiO2 labeled with PSA detection antibodies (CdTe@SiO2-Ab2) by forming the sandwich complex Fe3O4-Ab1/PSA/Ab2-CdTe@SiO2. The construction of this immunosensor was confirmed by fluorescence spectroscopy. The proposed immunosensor showed a good linear relationship between the fluorescent intensity and the target PSA concentration ranging from 0.01 to 5 ng/mL, and a detection limit as low as 0.003 ng/mL was achieved. The sensor also exhibited good specificity to PSA. This highly sensitive and specific immunosensor has great potential to be used in other biological detection.
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Affiliation(s)
- Yuting Zhao
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Shenzhen University, Shenzhen, 18060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China; School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
| | - Wen Gao
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Shenzhen University, Shenzhen, 18060, China
| | - Xiaoxiao Ge
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
| | - Suiqiong Li
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
| | - Dan Du
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA.
| | - Haipeng Yang
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Shenzhen University, Shenzhen, 18060, China.
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18
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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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19
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Movahed SK, Lehi NF, Dabiri M. Palladium nanoparticles supported on core-shell and yolk-shell Fe3O4@nitrogen doped carbon cubes as a highly efficient, magnetically separable catalyst for the reduction of nitroarenes and the oxidation of alcohols. J Catal 2018. [DOI: 10.1016/j.jcat.2018.05.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Znoyko SL, Orlov AV, Pushkarev AV, Mochalova EN, Guteneva NV, Lunin AV, Nikitin MP, Nikitin PI. Ultrasensitive quantitative detection of small molecules with rapid lateral-flow assay based on high-affinity bifunctional ligand and magnetic nanolabels. Anal Chim Acta 2018; 1034:161-167. [PMID: 30193630 DOI: 10.1016/j.aca.2018.07.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 07/02/2018] [Accepted: 07/04/2018] [Indexed: 12/20/2022]
Abstract
An ultrasensitive lateral-flow assay is developed for rapid quantitative detection of small molecules on-site. The conceptual novelty, which transfers lateral-flow assays to the category of highly sensitive quantitative systems, is due to employment of a bifunctional ligand combined with volumetric registration of magnetic nanolabels. The ligand provides extremely high affinity for trapping the nanolabels and, simultaneously, efficiently competes with the analyzed molecules for the limited quantity of antigen-binding sites on the nanolabels. The developed assay has been demonstrated as the first express method for measuring in human serum of free thyroxine (fT4). The limit of detection is 20 fМ or 16 fg/ml at the assay time <30 min with the dynamic range of 3 orders. Besides, we present the results of first characterization of kinetic parameters of interaction between free thyroxine and monoclonal antibody, as well as of competitive relationship between fT4 and fT4-biotin. The proposed universal platform can be used for ultrasensitive detection of small molecules in human in vitro diagnostics, veterinary, biosafety and counter-terrorism, food quality control, environmental monitoring, etc., as well as for search of new, previously undetectable, diagnostic markers in medicine.
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Affiliation(s)
- Sergey L Znoyko
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St, Moscow, 119991, Russia
| | - Alexey V Orlov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St, Moscow, 119991, Russia; Moscow Institute of Physics and Technology, 9 Institutskii per, Dolgoprudny, Moscow Region, 141700, Russia
| | - Averyan V Pushkarev
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St, Moscow, 119991, Russia; Moscow Institute of Physics and Technology, 9 Institutskii per, Dolgoprudny, Moscow Region, 141700, Russia
| | - Elizaveta N Mochalova
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St, Moscow, 119991, Russia; Moscow Institute of Physics and Technology, 9 Institutskii per, Dolgoprudny, Moscow Region, 141700, Russia
| | - Natalia V Guteneva
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St, Moscow, 119991, Russia; Moscow Institute of Physics and Technology, 9 Institutskii per, Dolgoprudny, Moscow Region, 141700, Russia
| | - Afanasy V Lunin
- Moscow Institute of Physics and Technology, 9 Institutskii per, Dolgoprudny, Moscow Region, 141700, Russia
| | - Maxim P Nikitin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St, Moscow, 119991, Russia; Moscow Institute of Physics and Technology, 9 Institutskii per, Dolgoprudny, Moscow Region, 141700, Russia
| | - Petr I Nikitin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St, Moscow, 119991, Russia; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 31 Kashirskoe shosse, Moscow, 115409, Russia.
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21
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Tian B, Liao X, Svedlindh P, Strömberg M, Wetterskog E. Ferromagnetic Resonance Biosensor for Homogeneous and Volumetric Detection of DNA. ACS Sens 2018; 3:1093-1101. [PMID: 29847920 DOI: 10.1021/acssensors.8b00048] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The ability to detect and analyze the state of magnetic labels with high sensitivity is of crucial importance for developing magnetic biosensors. In this work, we demonstrate, for the first time, a ferromagnetic resonance (FMR) based homogeneous and volumetric biosensor for magnetic label detection. Two different isothermal amplification methods, i.e., rolling circle amplification (RCA) and loop-mediated isothermal amplification (LAMP), are adopted and combined with a standard electron paramagnetic resonance (EPR) spectrometer for FMR biosensing. For the RCA-based FMR biosensor, binding of RCA products of a synthetic Vibrio cholerae target DNA sequence gives rise to the formation of aggregates of magnetic nanoparticles. Immobilization of nanoparticles within the aggregates leads to a decrease of the net anisotropy of the system and a concomitant increase of the resonance field. A limit of detection of 1 pM is obtained with a linear detection range between 7.8 and 250 pM. For the LAMP-based sensing, a synthetic Zika virus target oligonucleotide is amplified and detected in 20% serum samples. Immobilization of magnetic nanoparticles is induced by their coprecipitation with Mg2P2O7 (a byproduct of LAMP) and provides a detection sensitivity of 100 aM. The fast measurement, high sensitivity, and miniaturization potential of the proposed FMR biosensing technology makes it a promising candidate for designing future point-of-care devices.
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Affiliation(s)
- Bo Tian
- Department of Engineering Sciences, Uppsala University, The Ångström Laboratory, Box 534, SE-751 21 Uppsala, Sweden
| | - Xiaoqi Liao
- Department of Engineering Sciences, Uppsala University, The Ångström Laboratory, Box 534, SE-751 21 Uppsala, Sweden
| | - Peter Svedlindh
- Department of Engineering Sciences, Uppsala University, The Ångström Laboratory, Box 534, SE-751 21 Uppsala, Sweden
| | - Mattias Strömberg
- Department of Engineering Sciences, Uppsala University, The Ångström Laboratory, Box 534, SE-751 21 Uppsala, Sweden
| | - Erik Wetterskog
- Department of Engineering Sciences, Uppsala University, The Ångström Laboratory, Box 534, SE-751 21 Uppsala, Sweden
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22
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Banuazizi SAH, Åkerman J. Microwave probe stations with three-dimensional control of the magnetic field to study high-frequency dynamics in nanoscale devices. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2018; 89:064701. [PMID: 29960541 DOI: 10.1063/1.5032219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We present two microwave probe stations with motorized rotary stages for adjusting the magnitude and angle of the applied magnetic field. In the first system, the magnetic field is provided by an electromagnet and can be adjusted from 0 to ∼1.4 T while its polar angle (θ) can be varied from 0° to 360°. In the second system, the magnetic field is provided by a Halbach array permanent magnet, which can be rotated and translated to cover the full range of polar (θ) and azimuthal (φ) angles with a tunable field magnitude up to ∼1 T. Both systems are equipped with microwave probes, bias-Ts, amplifiers, and spectrum analyzers to allow for microwave characterization up to 40 GHz, as well as software to automatically perform continuous large sets of electrical and microwave measurements.
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Affiliation(s)
- Seyed Amir Hossein Banuazizi
- Materials and Nanophysics, Department of Applied Physics, School of Engineering Sciences, KTH Royal Institute of Technology, Electrum 229, 164 40 Kista, Sweden
| | - Johan Åkerman
- Materials and Nanophysics, Department of Applied Physics, School of Engineering Sciences, KTH Royal Institute of Technology, Electrum 229, 164 40 Kista, Sweden
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23
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Soloveva AY, Eremenko NK, Obraztsova II, Eremenko AN, Gubin SP. Synthesis and Optical Properties of Fe@Au, Ni@Au Bimetallic Core–Shell Nanoparticles. RUSS J INORG CHEM+ 2018. [DOI: 10.1134/s0036023618040204] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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24
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Ha Y, Ko S, Kim I, Huang Y, Mohanty K, Huh C, Maynard JA. Recent Advances Incorporating Superparamagnetic Nanoparticles into Immunoassays. ACS APPLIED NANO MATERIALS 2018; 1:512-521. [PMID: 29911680 PMCID: PMC5999228 DOI: 10.1021/acsanm.7b00025] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 01/31/2018] [Indexed: 05/09/2023]
Abstract
Superparamagnetic nanoparticles (SPMNPs) have attracted interest for various biomedical applications due to their unique magnetic behavior, excellent biocompatibility, easy surface modification, and low cost. Their unique magnetic properties, superparamagnetism, and magnetophoretic mobility have led to their inclusion in immunoassays to enhance biosensor sensitivity and allow for rapid detection of various analytes. In this review, we describe SPMNP characteristics valuable for incorporation into biosensors, including the use of SPMNPs to increase detection capabilities of surface plasmon resonance and giant magneto-resistive biosensors. The current status of SPMNP-based immunoassays to improve the sensitivity of rapid diagnostic tests is reviewed, and suggested strategies for the successful adoption of SPMNPs for immunoassays are presented.
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Affiliation(s)
- Yeonjeong Ha
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- E-mail: . (J.A.M.)
| | - Saebom Ko
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Ijung Kim
- Department
of Civil and Environmental Engineering, Western New England University, Springfield, Massachusetts 01119, United States
| | - Yimin Huang
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Kishore Mohanty
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Chun Huh
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Jennifer A. Maynard
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- E-mail: . (Y.-J.H.)
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25
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Bougas L, Langenegger LD, Mora CA, Zeltner M, Stark WJ, Wickenbrock A, Blanchard JW, Budker D. Nondestructive in-line sub-picomolar detection of magnetic nanoparticles in flowing complex fluids. Sci Rep 2018; 8:3491. [PMID: 29472727 PMCID: PMC5823888 DOI: 10.1038/s41598-018-21802-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 01/16/2018] [Indexed: 12/31/2022] Open
Abstract
Over the last decades, the use of magnetic nanoparticles in research and commercial applications has increased dramatically. However, direct detection of trace quantities remains a challenge in terms of equipment cost, operating conditions and data acquisition times, especially in flowing conditions within complex media. Here we present the in-line, non-destructive detection of magnetic nanoparticles using high performance atomic magnetometers at ambient conditions in flowing media. We achieve sub-picomolar sensitivities measuring ~30 nm ferromagnetic iron and cobalt nanoparticles that are suitable for biomedical and industrial applications, under flowing conditions in water and whole blood. Additionally, we demonstrate real-time surveillance of the magnetic separation of nanoparticles from water and whole blood. Overall our system has the merit of in-line direct measurement of trace quantities of ferromagnetic nanoparticles with so far unreached sensitivities and could be applied in the biomedical field (diagnostics and therapeutics) but also in the industrial sector.
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Affiliation(s)
| | - Lukas D Langenegger
- Functional Materials Laboratory, Department of Chemistry and Applied Biosciences, ETH Zurich, CH-8093, Zurich, Switzerland
| | - Carlos A Mora
- Functional Materials Laboratory, Department of Chemistry and Applied Biosciences, ETH Zurich, CH-8093, Zurich, Switzerland
| | - Martin Zeltner
- Functional Materials Laboratory, Department of Chemistry and Applied Biosciences, ETH Zurich, CH-8093, Zurich, Switzerland
| | - Wendelin J Stark
- Functional Materials Laboratory, Department of Chemistry and Applied Biosciences, ETH Zurich, CH-8093, Zurich, Switzerland
| | | | | | - Dmitry Budker
- Johannes Gutenberg-Universität Mainz, 55128, Mainz, Germany
- Helmholtz-Institut Mainz, 55128, Mainz, Germany
- Department of Physics, University of California, Berkeley, CA, 94720-7300, USA
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
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26
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Chen YT, Kolhatkar AG, Zenasni O, Xu S, Lee TR. Biosensing Using Magnetic Particle Detection Techniques. SENSORS (BASEL, SWITZERLAND) 2017; 17:E2300. [PMID: 28994727 PMCID: PMC5676660 DOI: 10.3390/s17102300] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 08/26/2017] [Accepted: 08/30/2017] [Indexed: 02/03/2023]
Abstract
Magnetic particles are widely used as signal labels in a variety of biological sensing applications, such as molecular detection and related strategies that rely on ligand-receptor binding. In this review, we explore the fundamental concepts involved in designing magnetic particles for biosensing applications and the techniques used to detect them. First, we briefly describe the magnetic properties that are important for bio-sensing applications and highlight the associated key parameters (such as the starting materials, size, functionalization methods, and bio-conjugation strategies). Subsequently, we focus on magnetic sensing applications that utilize several types of magnetic detection techniques: spintronic sensors, nuclear magnetic resonance (NMR) sensors, superconducting quantum interference devices (SQUIDs), sensors based on the atomic magnetometer (AM), and others. From the studies reported, we note that the size of the MPs is one of the most important factors in choosing a sensing technique.
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Affiliation(s)
- Yi-Ting Chen
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, TX 77204, USA.
| | - Arati G Kolhatkar
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, TX 77204, USA.
| | - Oussama Zenasni
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, TX 77204, USA.
| | - Shoujun Xu
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, TX 77204, USA.
| | - T Randall Lee
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, TX 77204, USA.
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27
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Investigation of contactless detection using a giant magnetoresistance sensor for detecting prostate specific antigen. Biomed Microdevices 2017; 18:60. [PMID: 27379844 DOI: 10.1007/s10544-016-0084-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
This paper presents a contactless detection method for detecting prostate specific antigen with a giant magnetoresistance sensor. In contactless detection case, the prostate specific antigen sample preparation was separated from the sensor that prevented the sensor from being immersed in chemical solvents, and made the sensor implementing in immediately reuse without wash. Experimental results showed that applied an external magnetic field in a range of 50 Oe to 90 Oe, Dynabeads with a concentration as low as 0.1 μg/mL can be detected by this system and could give an approximate quantitation to the logarithmic of Dynabeads concentration. Sandwich immunoassay was employed for preparing PSA samples. The PSA capture was implemented on a gold film modified with a self-assembled monolayer and using biotinylated secondary antibody against PSA and streptavidinylated Dynabeads. With DC magnetic field in the range of 50 to 90 Oe, PSA can be detected with a detection limit as low as 0.1 ng/mL. Samples spiked with different concentrations of PSA can be distinguished clearly. Due to the contactless detection method, the detection system exhibited advantages such as convenient manipulation, reusable, inexpensive, small weight. So, this detection method was a promising candidate in biomarker detection, especially in point of care detection.
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28
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Hybrid Magnetic-DNA Directed Immobilisation Approach for Efficient Protein Capture and Detection on Microfluidic Platforms. Sci Rep 2017; 7:194. [PMID: 28298637 PMCID: PMC5427967 DOI: 10.1038/s41598-017-00268-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 02/14/2017] [Indexed: 01/17/2023] Open
Abstract
In this study, a hybrid magnetic-DNA directed immobilisation approach is presented to enhance protein capture and detection on a microfluidic platform. DNA-modified magnetic nanoparticles are added in a solution to capture fluorescently labelled immunocomplexes to be detected optically. A magnetic set-up composed of cubic permanent magnets and a microchannel was designed and implemented based on finite element analysis results to efficiently concentrate the nanoparticles only over a defined area of the microchannel as the sensing zone. This in turn, led to the fluorescence emission localisation and the searching area reduction. Also, compared to processes in which the immunocomplex is formed directly on the surface, the proposed approach provides a lower steric hindrance, higher mass transfer, lower equilibrium time, and more surface concentration of the captured targets leading to a faster and more sensitive detection. As a proof-of-concept, the set-up is capable of detecting prostate-specific membrane antigen with concentrations down to 0.7 nM. Our findings suggest that the approach holds a great promise for applications in clinical assays and disease diagnosis.
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29
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Ortega GA, Pérez-Rodríguez S, Reguera E. Magnetic paper – based ELISA for IgM-dengue detection. RSC Adv 2017. [DOI: 10.1039/c6ra25992h] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
“Magnetic Paper – Based ELISA” for IgM-dengue antibodies detection provide a system with improved analytical response.
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Affiliation(s)
- G. A. Ortega
- Center for Applied Science and Advanced Technology of IPN
- Legaria Unit
- Mexico City
- Mexico
- University of Havana
| | - S. Pérez-Rodríguez
- National Autonomous University of Mexico
- Biomedical Research Institute
- Mexico City
- Mexico
| | - E. Reguera
- Center for Applied Science and Advanced Technology of IPN
- Legaria Unit
- Mexico City
- Mexico
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30
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D’Souza AA, Kumari D, Banerjee R. Nanocomposite biosensors for point-of-care—evaluation of food quality and safety. NANOBIOSENSORS 2017. [PMCID: PMC7149521 DOI: 10.1016/b978-0-12-804301-1.00015-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Nanosensors have wide applications in the food industry. Nanosensors based on quantum dots for heavy metal and organophosphate pesticides detection, and nanocomposites as indicators for shelf life of fish/meat products, have served as important tools for food quality and safety assessment. Luminescent labels consisting of NPs conjugated to aptamers have been popular for rapid detection of infectious and foodborne pathogens. Various detection technologies, including microelectromechanical systems for gas analytes, microarrays for genetically modified foods, and label-free nanosensors using nanowires, microcantilevers, and resonators are being applied extensively in the food industry. An interesting aspect of nanosensors has also been in the development of the electronic nose and electronic tongue for assessing organoleptic qualities, such as, odor and taste of food products. Real-time monitoring of food products for rapid screening, counterfeiting, and tracking has boosted ingenious, intelligent, and innovative packaging of food products. This chapter will give an overview of the contribution of nanotechnology-based biosensors in the food industry, ongoing research, technology advancements, regulatory guidelines, future challenges, and industrial outlook.
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31
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Albert M, Beg M, Chernyshenko D, Bisotti MA, Carey RL, Fangohr H, Metaxas PJ. Frequency-based nanoparticle sensing over large field ranges using the ferromagnetic resonances of a magnetic nanodisc. NANOTECHNOLOGY 2016; 27:455502. [PMID: 27710921 DOI: 10.1088/0957-4484/27/45/455502] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Using finite element micromagnetic simulations, we study how resonant magnetisation dynamics in thin magnetic discs with perpendicular anisotropy are influenced by magnetostatic coupling to a magnetic nanoparticle. We identify resonant modes within the disc using direct magnetic eigenmode calculations and study how their frequencies and spatial profiles are changed by the nanoparticle's stray magnetic field. We demonstrate that particles can generate shifts in the resonant frequency of the disc's fundamental mode which exceed resonance linewidths in recently studied spin torque oscillator devices. Importantly, it is shown that the simulated shifts can be maintained over large field ranges (here up to 1 T). This is because the resonant dynamics (the basis of nanoparticle detection here) respond directly to the nanoparticle stray field, i.e. detection does not rely on nanoparticle-induced changes to the magnetic ground state of the disc. A consequence of this is that in the case of small disc-particle separations, sensitivities to the particle are highly mode- and particle-position-dependent, with frequency shifts being maximised when the intense stray field localised directly beneath the particle can act on a large proportion of the disc's spins that are undergoing high amplitude precession.
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Affiliation(s)
- Maximilian Albert
- Faculty of Engineering and the Environment, University of Southampton, Southampton SO17 1BJ, UK
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Schrittwieser S, Pelaz B, Parak WJ, Lentijo-Mozo S, Soulantica K, Dieckhoff J, Ludwig F, Guenther A, Tschöpe A, Schotter J. Homogeneous Biosensing Based on Magnetic Particle Labels. SENSORS 2016; 16:s16060828. [PMID: 27275824 PMCID: PMC4934254 DOI: 10.3390/s16060828] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 05/30/2016] [Accepted: 06/01/2016] [Indexed: 12/17/2022]
Abstract
The growing availability of biomarker panels for molecular diagnostics is leading to an increasing need for fast and sensitive biosensing technologies that are applicable to point-of-care testing. In that regard, homogeneous measurement principles are especially relevant as they usually do not require extensive sample preparation procedures, thus reducing the total analysis time and maximizing ease-of-use. In this review, we focus on homogeneous biosensors for the in vitro detection of biomarkers. Within this broad range of biosensors, we concentrate on methods that apply magnetic particle labels. The advantage of such methods lies in the added possibility to manipulate the particle labels by applied magnetic fields, which can be exploited, for example, to decrease incubation times or to enhance the signal-to-noise-ratio of the measurement signal by applying frequency-selective detection. In our review, we discriminate the corresponding methods based on the nature of the acquired measurement signal, which can either be based on magnetic or optical detection. The underlying measurement principles of the different techniques are discussed, and biosensing examples for all techniques are reported, thereby demonstrating the broad applicability of homogeneous in vitro biosensing based on magnetic particle label actuation.
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Affiliation(s)
- Stefan Schrittwieser
- Molecular Diagnostics, AIT Austrian Institute of Technology, Vienna1220, Austria.
| | - Beatriz Pelaz
- Fachbereich Physik, Philipps-Universität Marburg, Marburg 35037, Germany.
| | - Wolfgang J Parak
- Fachbereich Physik, Philipps-Universität Marburg, Marburg 35037, Germany.
| | - Sergio Lentijo-Mozo
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), Université de Toulouse, INSA, UPS, CNRS, Toulouse 31077, France.
| | - Katerina Soulantica
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), Université de Toulouse, INSA, UPS, CNRS, Toulouse 31077, France.
| | - Jan Dieckhoff
- Institute of Electrical Measurement and Fundamental Electrical Engineering, TU Braunschweig, Braunschweig 38106, Germany.
| | - Frank Ludwig
- Institute of Electrical Measurement and Fundamental Electrical Engineering, TU Braunschweig, Braunschweig 38106, Germany.
| | - Annegret Guenther
- Experimentalphysik, Universität des Saarlandes, Saarbrücken 66123, Germany.
| | - Andreas Tschöpe
- Experimentalphysik, Universität des Saarlandes, Saarbrücken 66123, Germany.
| | - Joerg Schotter
- Molecular Diagnostics, AIT Austrian Institute of Technology, Vienna1220, Austria.
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Xiong H, Diao Q, Jin R, Song D, Wang X, Sun Y. Synthesis and application of thiol-functionalized magnetic nanoparticles for studying interactions of epirubicin hydrochloride with bovine serum albumin by fluorescence spectrometry. LUMINESCENCE 2016; 32:142-148. [DOI: 10.1002/bio.3158] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 04/08/2016] [Accepted: 04/16/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Huixia Xiong
- College of Chemistry; Jilin University; Qianjin Street 2699 Changchun 130012 China
| | - Quanping Diao
- School of Chemistry and Life Science; Anshan Normal University; Ping'an Street 43 Anshan 114005 China
| | - Rui Jin
- College of Chemistry; Jilin University; Qianjin Street 2699 Changchun 130012 China
| | - Daqian Song
- College of Chemistry; Jilin University; Qianjin Street 2699 Changchun 130012 China
| | - Xinghua Wang
- College of Chemistry; Jilin University; Qianjin Street 2699 Changchun 130012 China
| | - Ying Sun
- College of Chemistry; Jilin University; Qianjin Street 2699 Changchun 130012 China
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34
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Jamshaid T, Neto ETT, Eissa MM, Zine N, Kunita MH, El-Salhi AE, Elaissari A. Magnetic particles: From preparation to lab-on-a-chip, biosensors, microsystems and microfluidics applications. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.10.022] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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35
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Liu S, Fu J, Wang M, Yan Y, Xin Q, Cai L, Xu Q. Magnetically separable and recyclable Fe3O4–polydopamine hybrid hollow microsphere for highly efficient peroxidase mimetic catalysts. J Colloid Interface Sci 2016; 469:69-77. [DOI: 10.1016/j.jcis.2016.02.011] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 01/11/2016] [Accepted: 02/03/2016] [Indexed: 10/22/2022]
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Reeves DB, Shi Y, Weaver JB. Generalized Scaling and the Master Variable for Brownian Magnetic Nanoparticle Dynamics. PLoS One 2016; 11:e0150856. [PMID: 26959493 PMCID: PMC4784917 DOI: 10.1371/journal.pone.0150856] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 02/19/2016] [Indexed: 11/19/2022] Open
Abstract
Understanding the dynamics of magnetic particles can help to advance several biomedical nanotechnologies. Previously, scaling relationships have been used in magnetic spectroscopy of nanoparticle Brownian motion (MSB) to measure biologically relevant properties (e.g., temperature, viscosity, bound state) surrounding nanoparticles in vivo. Those scaling relationships can be generalized with the introduction of a master variable found from non-dimensionalizing the dynamical Langevin equation. The variable encapsulates the dynamical variables of the surroundings and additionally includes the particles' size distribution and moment and the applied field's amplitude and frequency. From an applied perspective, the master variable allows tuning to an optimal MSB biosensing sensitivity range by manipulating both frequency and field amplitude. Calculation of magnetization harmonics in an oscillating applied field is also possible with an approximate closed-form solution in terms of the master variable and a single free parameter.
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Affiliation(s)
- Daniel B. Reeves
- Department of Physics and Astronomy, Dartmouth College, Hanover, NH, 03755 United States of America
- * E-mail:
| | - Yipeng Shi
- Department of Physics and Astronomy, Dartmouth College, Hanover, NH, 03755 United States of America
| | - John B. Weaver
- Department of Physics and Astronomy, Dartmouth College, Hanover, NH, 03755 United States of America
- Department of Radiology, Geisel School of Medicine, Hanover, NH, 03755 United States of America
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Li X, Lu W, Song Y, Wang Y, Chen A, Yan B, Yoshimura S, Saito H. Quantitatively probing the magnetic behavior of individual nanoparticles by an AC field-modulated magnetic force microscopy. Sci Rep 2016; 6:22467. [PMID: 26932357 PMCID: PMC4773816 DOI: 10.1038/srep22467] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 02/16/2016] [Indexed: 11/09/2022] Open
Abstract
Despite decades of advances in magnetic imaging, obtaining direct, quantitative information with nanometer scale spatial resolution remains an outstanding challenge. Current approaches, for example, Hall micromagnetometer and nitrogen-vacancy magnetometer, are limited by highly complex experimental apparatus and a dedicated sample preparation process. Here we present a new AC field-modulated magnetic force microscopy (MFM) and report the local and quantitative measurements of the magnetic information of individual magnetic nanoparticles (MNPs), which is one of the most iconic objects of nanomagnetism. This technique provides simultaneously a direct visualization of the magnetization process of the individual MNPs, with spatial resolution and magnetic sensitivity of about 4.8 nm and 1.85 × 10−20 A m2, respectively, enabling us to separately estimate the distributions of the dipolar fields and the local switching fields of individual MNPs. Moreover, we demonstrate that quantitative magnetization moment of individual MNPs can be routinely obtained using MFM signals. Therefore, it underscores the power of the AC field-modulated MFM for biological and biomedical applications of MNPs and opens up the possibility for directly and quantitatively probing the weak magnetic stray fields from nanoscale magnetic systems with superior spatial resolution.
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Affiliation(s)
- Xiang Li
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Wei Lu
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China.,Research Center for Engineering Science, Graduate School of Engineering &Resource Science, Akita University, Akita 010-8502, Japan
| | - Yiming Song
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Yuxin Wang
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Aiying Chen
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Biao Yan
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Satoru Yoshimura
- Research Center for Engineering Science, Graduate School of Engineering &Resource Science, Akita University, Akita 010-8502, Japan
| | - Hitoshi Saito
- Research Center for Engineering Science, Graduate School of Engineering &Resource Science, Akita University, Akita 010-8502, Japan
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Tian B, Bejhed RS, Svedlindh P, Strömberg M. Blu-ray optomagnetic measurement based competitive immunoassay for Salmonella detection. Biosens Bioelectron 2016; 77:32-9. [DOI: 10.1016/j.bios.2015.08.070] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 08/28/2015] [Accepted: 08/30/2015] [Indexed: 01/02/2023]
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Safari J, Gandomi-Ravandi S, Haghighi Z. Supported polymer magnets with high catalytic performance in the green reduction of nitroaromatic compounds. RSC Adv 2016. [DOI: 10.1039/c5ra26613k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We exhibit the synthesis of magnetic core–shell nanocomposites as solid phase catalysts in the reduction of nitroaromatics.
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Affiliation(s)
- J. Safari
- Laboratory of Organic Compound Research
- Department of Organic Chemistry
- College of Chemistry
- University of Kashan
- Kashan
| | - S. Gandomi-Ravandi
- Laboratory of Organic Compound Research
- Department of Organic Chemistry
- College of Chemistry
- University of Kashan
- Kashan
| | - Z. Haghighi
- Laboratory of Organic Compound Research
- Department of Organic Chemistry
- College of Chemistry
- University of Kashan
- Kashan
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40
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Yan J, Wang L, Tang L, Lin L, Liu Y, Li J. Enzyme-guided plasmonic biosensor based on dual-functional nanohybrid for sensitive detection of thrombin. Biosens Bioelectron 2015; 70:404-10. [DOI: 10.1016/j.bios.2015.03.024] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2015] [Revised: 03/05/2015] [Accepted: 03/09/2015] [Indexed: 11/29/2022]
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41
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Esmaeilpour M, Javidi J. Fe3O4@SiO2-imid-PMAnMagnetic Porous Nanosphere as Reusable Catalyst for Synthesis of Polysubstituted Quinolines under Solvent-free Conditions. J CHIN CHEM SOC-TAIP 2015. [DOI: 10.1002/jccs.201400380] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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42
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Ferrari AC, Bonaccorso F, Fal'ko V, Novoselov KS, Roche S, Bøggild P, Borini S, Koppens FHL, Palermo V, Pugno N, Garrido JA, Sordan R, Bianco A, Ballerini L, Prato M, Lidorikis E, Kivioja J, Marinelli C, Ryhänen T, Morpurgo A, Coleman JN, Nicolosi V, Colombo L, Fert A, Garcia-Hernandez M, Bachtold A, Schneider GF, Guinea F, Dekker C, Barbone M, Sun Z, Galiotis C, Grigorenko AN, Konstantatos G, Kis A, Katsnelson M, Vandersypen L, Loiseau A, Morandi V, Neumaier D, Treossi E, Pellegrini V, Polini M, Tredicucci A, Williams GM, Hong BH, Ahn JH, Kim JM, Zirath H, van Wees BJ, van der Zant H, Occhipinti L, Di Matteo A, Kinloch IA, Seyller T, Quesnel E, Feng X, Teo K, Rupesinghe N, Hakonen P, Neil SRT, Tannock Q, Löfwander T, Kinaret J. Science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems. NANOSCALE 2015; 7:4598-810. [PMID: 25707682 DOI: 10.1039/c4nr01600a] [Citation(s) in RCA: 991] [Impact Index Per Article: 110.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
We present the science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts and benefits reaching into most areas of society. This roadmap was developed within the framework of the European Graphene Flagship and outlines the main targets and research areas as best understood at the start of this ambitious project. We provide an overview of the key aspects of graphene and related materials (GRMs), ranging from fundamental research challenges to a variety of applications in a large number of sectors, highlighting the steps necessary to take GRMs from a state of raw potential to a point where they might revolutionize multiple industries. We also define an extensive list of acronyms in an effort to standardize the nomenclature in this emerging field.
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Affiliation(s)
- Andrea C Ferrari
- Cambridge Graphene Centre, University of Cambridge, Cambridge, CB3 0FA, UK.
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43
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Chieh JJ, Huang KW, Lee YY, Wei WC. Dual-imaging model of SQUID biosusceptometry for locating tumors targeted using magnetic nanoparticles. J Nanobiotechnology 2015; 13:11. [PMID: 25889863 PMCID: PMC4329206 DOI: 10.1186/s12951-015-0069-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2014] [Accepted: 01/23/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND For intraoperative imaging in operating theaters or preoperative imaging in clinics, compact and economic integration rather than large and expensive equipment is required to coregister structural and functional imaging. However, current technologies, such as those integrating optical and gamma cameras or infrared and fluorescence imaging, involve certain drawbacks, including the radioactive biorisks of nuclear medicine indicators and the inconvenience of conducting measurements in dark environments. METHODS To specifically and magnetically label liver tumors, an anti-alpha-fetoprotein (AFP) reagent was synthesized from biosafe iron oxide magnetic nanoparticles (MNPs) coated with anti-AFP antibody and solved in a phosphate buffered saline solution. In addition, a novel dual-imaging model system integrating an optical camera and magnetic scanning superconducting-quantum-interference device (SQUID) biosusceptometry (SSB) was proposed. The simultaneous coregistration of low-field magnetic images of MNP distributions and optical images of anatomical regions enabled the tumor distribution to be determined easily and in real time. To simulate targeted MNPs within animals, fewer reagents than the injected dose were contained in a microtube as a sample for the phantom test. The phantom test was conducted to examine the system characteristics and the analysis method of dual images. Furthermore, the animal tests were classified into two types, with liver tumors implanted either on the backs or livers of rats. The tumors on the backs were to visually confirm the imaging results of the phantom test, and the tumors on the livers were to simulate real cases in hepatocellular carcinoma people. RESULTS A phantom test was conducted using the proposed analysis method; favorable contour agreement was shown between the MNP distribution in optical and magnetic images. Consequently, the positioning and discrimination of liver tumors implanted on the backs and livers of rats were verified by conducting in vivo and ex vivo tests. The results of tissue staining verified the feasibility of using this method to determine the distribution of liver tumors. CONCLUSION The results of this study indicate the clinical potential of using anti-AFP-mediated MNPs and the dual-imaging model SSB for discriminating and locating tumors.
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Affiliation(s)
- Jen-Jie Chieh
- Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei, 116, Taiwan.
| | - Kai-Wen Huang
- Department of Surgery and Hepatitis Research Center, National Taiwan University Hospital, Taipei, 100, Taiwan. .,Graduate Institute of Clinical Medicine, National Taiwan University, Taipei, 100, Taiwan.
| | - Yi-Yan Lee
- Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei, 116, Taiwan.
| | - Wen-Chun Wei
- Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei, 116, Taiwan.
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44
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Lin G, Makarov D, Medina-Sánchez M, Guix M, Baraban L, Cuniberti G, Schmidt OG. Magnetofluidic platform for multidimensional magnetic and optical barcoding of droplets. LAB ON A CHIP 2015; 15:216-24. [PMID: 25353316 DOI: 10.1039/c4lc01160k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
We present a concept of multidimensional magnetic and optical barcoding of droplets based on a magnetofluidic platform. The platform comprises multiple functional areas, such as an encoding area, an encoded droplet pool and a magnetic decoding area with integrated giant magnetoresistive (GMR) sensors. To prove this concept, penicillin functionalized with fluorescent dyes is coencapsulated with magnetic nanoparticles into droplets. While fluorescent dyes are used as conventional optical barcodes which are decoded with an optical decoding setup, an additional dimensionality of barcodes is created by using magnetic nanoparticles as magnetic barcodes for individual droplets and integrated micro-patterned GMR sensors as the corresponding magnetic decoding devices. The strategy of incorporating a magnetic encoding scheme provides a dynamic range of ~40 dB in addition to that of the optical method. When combined with magnetic barcodes, the encoding capacity can be increased by more than 1 order of magnitude compared with using only optical barcodes, that is, the magnetic platform provides more than 10 unique magnetic codes in addition to each optical barcode. Besides being a unique magnetic functional element for droplet microfluidics, the platform is capable of on-demand facile magnetic encoding and real-time decoding of droplets which paves the way for the development of novel non-optical encoding schemes for highly multiplexed droplet-based biological assays.
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Affiliation(s)
- Gungun Lin
- Institute for Integrative Nanosciences, IFW Dresden, Helmholtzstr. 20, 01069 Dresden, Germany.
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Wang H, Shrestha TB, Basel MT, Pyle M, Toledo Y, Konecny A, Thapa P, Ikenberry M, Hohn KL, Chikan V, Troyer DL, Bossmann SH. Hexagonal magnetite nanoprisms: preparation, characterization and cellular uptake. J Mater Chem B 2015; 3:4647-4653. [DOI: 10.1039/c5tb00340g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nearly perfect hexagonal Fe3O4 nanoplatelet structures, with edge length of 45 ± 5 nm and thickness of 5 to 6 nm were synthesized from iron(iii) acetylacetonate using the dual ligand system oleic and stearic acid.
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Affiliation(s)
- H. Wang
- Kansas State University, Department of Chemistry
- Manhattan
- USA
| | - T. B. Shrestha
- Kansas State University
- Department of Anatomy & Physiology
- Manhattan
- USA
| | - M. T. Basel
- Kansas State University
- Department of Anatomy & Physiology
- Manhattan
- USA
| | - M. Pyle
- Kansas State University
- Department of Anatomy & Physiology
- Manhattan
- USA
| | - Y. Toledo
- Kansas State University, Department of Chemistry
- Manhattan
- USA
| | - A. Konecny
- Kansas State University, Department of Chemistry
- Manhattan
- USA
| | - P. Thapa
- University of Kansas
- Microscopy and Analytical Imaging Laboratory
- Lawrence
- USA
| | - M. Ikenberry
- Kansas State University
- Department of Chemical Engineering
- Manhattan
- USA
| | - K. L. Hohn
- Kansas State University
- Department of Chemical Engineering
- Manhattan
- USA
| | - V. Chikan
- Kansas State University, Department of Chemistry
- Manhattan
- USA
| | - D. L. Troyer
- Kansas State University
- Department of Anatomy & Physiology
- Manhattan
- USA
| | - S. H. Bossmann
- Kansas State University, Department of Chemistry
- Manhattan
- USA
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46
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Sanusi K, Stone JM, Nyokong T. Nonlinear optical behaviour of indium-phthalocyanine tethered to magnetite or silica nanoparticles. NEW J CHEM 2015. [DOI: 10.1039/c4nj01619j] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Enhanced nonlinear optical properties (NLO) were observed for an indium phthalocyanine–magnetite nanocomposite at 532 nm compared to the performance of the bare phthalocyanine and its silica nanoparticle dyad.
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Affiliation(s)
- Kayode Sanusi
- Department of Chemistry
- Rhodes University
- Grahamstown 6140
- South Africa
| | - Justin M. Stone
- Department of Chemistry
- Rhodes University
- Grahamstown 6140
- South Africa
| | - Tebello Nyokong
- Department of Chemistry
- Rhodes University
- Grahamstown 6140
- South Africa
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47
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Liao SH, Chen KL, Wang CM, Chieh JJ, Horng HE, Wang LM, Wu CH, Yang HC. Using bio-functionalized magnetic nanoparticles and dynamic nuclear magnetic resonance to characterize the time-dependent spin-spin relaxation time for sensitive bio-detection. SENSORS 2014; 14:21409-17. [PMID: 25397920 PMCID: PMC4279540 DOI: 10.3390/s141121409] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 10/24/2014] [Accepted: 10/29/2014] [Indexed: 11/16/2022]
Abstract
In this work, we report the use of bio-functionalized magnetic nanoparticles (BMNs) and dynamic magnetic resonance (DMR) to characterize the time-dependent spin-spin relaxation time for sensitive bio-detection. The biomarkers are the human C-reactive protein (CRP) while the BMNs are the anti-CRP bound onto dextran-coated Fe3O4 particles labeled as Fe3O4-antiCRP. It was found the time-dependent spin-spin relaxation time, T2, of protons decreases as time evolves. Additionally, the ΔT2 of of protons in BMNs increases as the concentration of CRP increases. We attribute these to the formation of the magnetic clusters that deteriorate the field homogeneity of nearby protons. A sensitivity better than 0.1 μg/mL for assaying CRP is achieved, which is much higher than that required by the clinical criteria (0.5 mg/dL). The present MR-detection platform shows promise for further use in detecting tumors, viruses, and proteins.
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Affiliation(s)
- Shu-Hsien Liao
- Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei 116, Taiwan.
| | - Kuen-Lin Chen
- Department of Electro-Optical Engineering, Kun Shan University, Tainan 710, Taiwan.
| | - Chun-Min Wang
- Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei 116, Taiwan.
| | - Jen-Jie Chieh
- Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei 116, Taiwan.
| | - Herng-Er Horng
- Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei 116, Taiwan.
| | - Li-Min Wang
- Graduate Institute of Applied Physics and Department of Physics, National Taiwan University, Taipei 106, Taiwan.
| | - C H Wu
- Department of Physics, National Chung Hsing University, Taichung 402, Taiwan.
| | - Hong-Chang Yang
- Department of Electro-Optical Engineering, Kun Shan University, Tainan 710, Taiwan.
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48
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Samanta A, Ravoo BJ. Magnetic Separation of Proteins by a Self-Assembled Supramolecular Ternary Complex. Angew Chem Int Ed Engl 2014; 53:12946-50. [DOI: 10.1002/anie.201405849] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 07/18/2014] [Indexed: 12/19/2022]
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49
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Samanta A, Ravoo BJ. Ein selbstorganisierter supramolekularer ternärer Komplex zur magnetischen Trennung von Proteinen. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201405849] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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50
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