Descripción
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We demonstrate label-free molecule detection by using an integrated biosensor based on a Si3N4 /SiO2 slotwaveguide microring resonator. Bovine serum albumin (BSA) and anti-BSA molecular binding events on the sensor surface are monitored through the measurement of resonant wavelength shifts with varying biomolecule concentrations. The biosensor exhibited sensitivities of 1.8 and 3.2 nm/ ng/mm2 for the detection of anti-BSA and BSA, respectively. The estimated detection limits are 28 and 16 pg/mm2 for anti-BSA and BSA, respectively, limited by wavelength resolution. | |
Internacional
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Si |
JCR del ISI
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Si |
Título de la revista
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OPTICS LETTERS |
ISSN
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0146-9592 |
Factor de impacto JCR
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3,711 |
Información de impacto
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Volumen
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33 |
DOI
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Número de revista
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0 |
Desde la página
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708 |
Hasta la página
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710 |
Mes
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ABRIL |
Ranking
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