{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T10:56:04Z","timestamp":1753872964179,"version":"3.41.2"},"reference-count":8,"publisher":"AIP Publishing","issue":"7","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2011,4,1]]},"abstract":"<jats:p>Modern flow cytometers are being developed with enhanced portability for on-site measurements, and by integrating magnetoresistive sensors within microfluidic channels (to detect magnetically labeled cells), external and expensive equipment can be avoided. This work describes the real-time detection of Kg1-a cells magnetically labeled with 50 nm magnetic particles using a magnetoresistive based cell cytometer. When flowing through a microchannel 150 \u03bcm wide and 14 \u03bcm high, with speeds around 1 cm\/s, the average observed signals were bipolar with an amplitude of 10 to 20 \u03bcV (0-p) corresponding to cell events. The number of cells counted by the SV cytometer has been compared with that obtained with a hemocytometer, and both methods agree within the respective error bars.<\/jats:p>","DOI":"10.1063\/1.3559503","type":"journal-article","created":{"date-parts":[[2011,4,1]],"date-time":"2011-04-01T14:31:36Z","timestamp":1301668296000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":3,"title":["Spintronic chip cytometer"],"prefix":"10.1063","volume":"109","author":[{"given":"J.","family":"Loureiro","sequence":"first","affiliation":[{"name":"1INESC-MN Instituto de Engenharia de Sistemas e Computadores - Microsistemas e Nanotecnologias and Institute for Nanosciences and Nanotechnologies, Rua Alves Redol No. 9, 1000-029 Lisbon, Portugal"},{"name":"Instituto Superior T\u00e9cnico\/Universidade T\u00e9cnica de Lisboa 2 , Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"}]},{"given":"P. Z.","family":"Andrade","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico\/Universidade T\u00e9cnica de Lisboa 2 , Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"},{"name":"3IBB-Institute for Biotechnology and Bioengineering, Centre for Biological and Chemical Engineering, Lisbon, Portugal Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"}]},{"given":"S.","family":"Cardoso","sequence":"additional","affiliation":[{"name":"1INESC-MN Instituto de Engenharia de Sistemas e Computadores - Microsistemas e Nanotecnologias and Institute for Nanosciences and Nanotechnologies, Rua Alves Redol No. 9, 1000-029 Lisbon, Portugal"},{"name":"Instituto Superior T\u00e9cnico\/Universidade T\u00e9cnica de Lisboa 2 , Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"}]},{"given":"C. L.","family":"da Silva","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico\/Universidade T\u00e9cnica de Lisboa 2 , Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"},{"name":"3IBB-Institute for Biotechnology and Bioengineering, Centre for Biological and Chemical Engineering, Lisbon, Portugal Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"}]},{"given":"J. M.","family":"Cabral","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico\/Universidade T\u00e9cnica de Lisboa 2 , Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"},{"name":"3IBB-Institute for Biotechnology and Bioengineering, Centre for Biological and Chemical Engineering, Lisbon, Portugal Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal"}]},{"given":"P. P.","family":"Freitas","sequence":"additional","affiliation":[{"name":"1INESC-MN Instituto de Engenharia de Sistemas e Computadores - Microsistemas e Nanotecnologias and Institute for Nanosciences and Nanotechnologies, Rua Alves Redol No. 9, 1000-029 Lisbon, Portugal"},{"name":"Instituto Superior T\u00e9cnico\/Universidade T\u00e9cnica de Lisboa 2 , Av. 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