Real-Time Monitoring of Magnetic Nanoparticles Diffusion in Lateral Flow Microporous Membrane Using Spin Valve Sensors
This paper investigates real-time monitoring and detection of 10.5 nm magnetic nanoparticles (MNPs) (Fe 3 O 4 ) flowing in a nitrocellulose (NC) membrane over two spin valve sensors. The fabricated device gives information on the concentration of MNP flowing through the NC membrane of a typical late...
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| Veröffentlicht in: | IEEE transactions on magnetics 2015-01, Vol.51 (1), p.1-4 |
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| creator | Chicharo, Alexandre Cardoso, Filipe Cardoso, Susana Freitas, Paulo J. P. |
| description | This paper investigates real-time monitoring and detection of 10.5 nm magnetic nanoparticles (MNPs) (Fe 3 O 4 ) flowing in a nitrocellulose (NC) membrane over two spin valve sensors. The fabricated device gives information on the concentration of MNP flowing through the NC membrane of a typical lateral flow test, and gives relevant dynamic characteristics, such as flow rate and MNP distribution on capillary-driven systems. Sensor output varies linearly with MNP concentration. Experiments show average flow rates varying from 0.2 to 0.3 mm/s depending on MNP concentration. Signal shape [V(t)] gives information on MNP spatial distribution at the particle front flowing over the sensor. |
| doi_str_mv | 10.1109/TMAG.2014.2358645 |
| format | Article |
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Signal shape [V(t)] gives information on MNP spatial distribution at the particle front flowing over the sensor.</description><subject>Biomembranes</subject><subject>Magnetic resonance imaging</subject><subject>Magnetism</subject><subject>Nanoparticles</subject><subject>Spin valves</subject><subject>Strips</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kFFLwzAQx4MoOKcfQHwJ-Nx5SdMseRR1KqwKOn0taXcZGV1Sk27it7dj4tPdwe9_x_0IuWQwYQz0zaK8fZxwYGLC80JJURyREdOCZQBSH5MRAFOZFlKckrOU1sMoCgYjsntD02YLt0FaBu_6EJ1f0WBpaVYee9fQF-NDZ-LQtpjovbN2m1zw1Hk6Nz1G09JZG75p6ZoYuhDDNtESN3U0HulH2q977wb407Q7pO_oU4jpnJxY0ya8-Ktj8jF7WNw9ZfPXx-e723nWcJ33WZHbxii-tFwWXNd2aRvUMK1RKc0aU0ANCqFmqs4ZMCyslAK0ErZecpWjzcfk-rC3i-Fri6mv1mEb_XCyYlIJpmSh5UCxAzV8kFJEW3XRbUz8qRhUe73VXm-111v96R0yV4eMQ8R_fgpcc5jmv8zDd7Q</recordid><startdate>201501</startdate><enddate>201501</enddate><creator>Chicharo, Alexandre</creator><creator>Cardoso, Filipe</creator><creator>Cardoso, Susana</creator><creator>Freitas, Paulo J. 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| subjects | Biomembranes Magnetic resonance imaging Magnetism Nanoparticles Spin valves Strips |
| title | Real-Time Monitoring of Magnetic Nanoparticles Diffusion in Lateral Flow Microporous Membrane Using Spin Valve Sensors |
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