Label-free biosensor array based on silicon-on-insulator ring resonators addressed using a WDM approach.
Opt Lett
; 35(16): 2771-3, 2010 Aug 15.
Article
en En
| MEDLINE
| ID: mdl-20717452
ABSTRACT
We report a silicon-on-insulator ring resonator biosensor array with one output port, using wavelength division multiplexing as the addressing scheme. With the use of on-chip referencing for environmental drift cancellation, simultaneous monitoring of multiplexed molecular bindings is demonstrated, with a resolution of 0.3 pg/mm(2) (40 ag of total mass) for protein concentrations over 4 orders of magnitude down to 20 pM. Reactions are measured over time periods as long as 3 h with high stability.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Silicio
/
Técnicas Biosensibles
Límite:
Animals
Idioma:
En
Revista:
Opt Lett
Año:
2010
Tipo del documento:
Article