G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/76 (2006.01) H01L 21/32 (2006.01) H01L 27/32 (2006.01) H01L 33/00 (2006.01)
Patent
CA 2601003
A method and a device for detecting the presence of a predetermined substance, in which a quantum dot is produced on a substrate. The quantum dot emits a radiation at a predetermined wavelength, and is covered with a surface layer to which the predetermined substance attaches. A deviation of the value of a parameter related to the radiation is produced when the predetermined substance attaches to the surface layer. This deviation can be detected to thereby sense the presence of the predetermined substance.
La présente invention concerne un procédé et un dispositif de détection d'une substance définie, avec production d'un point quantique sur un substrat. Le point quantique, qui émet un rayonnement d'une longueur d'ondes définie, est recouvert d'une couche superficielle à laquelle se fixe la substance considérée. La fixation de la substance sur la couche superficielle provoque un écart de la valeur d'une grandeur en relation avec le rayonnement. La détection de cet écart indique la présence de la substance considérée.
Ding Ximing
Dubowski Jan J.
Escher Emanuel
Frost Eric H.
Bcf Llp
Socpra Sciences Et Genie S.e.c.
Universite de Sherbrooke
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