Conjugated nanoparticles and their use in detection of...

Details Conjugated nanoparticles and their use in detection of... Conjugated nanoparticles and their use in detection of...

C - Chemistry, Metallurgy

09

K

C09K 11/02 (2006.01) A61B 5/117 (2006.01) C09K 11/08 (2006.01) C09K 11/54 (2006.01) C09K 11/70 (2006.01) G01N 21/64 (2006.01)

Patent

CA 2727363

Novel conjugates of nanoparticles are provided and have particular utility in the detection of latent fingerprints by their ability to bind to a fingerprint residue. The conjugate comprises a nanoparticle attached to a linker group having a terminal reactive moiety, wherein said nanoparticle comprises a core of a first semiconductor material having a first luminescence and a shell of a second material which at least partially surrounds the core. The conjugated nanoparticle can bind to the fingerprint residue and can be detected using fluorescence.

L'invention concerne de nouveaux conjugués de nanoparticules particulièrement utiles dans la détection d'empreintes digitales latentes, ces produits ayant la capacité de se lier avec un résidu d'empreinte digitale. Le conjugué comprend une nanoparticule associée à un groupe de liaison qui comporte une fraction terminale réactive, et la nanoparticule comporte un noyau de premier matériau semi-conducteur à première luminescence et une coque de second matériau qui entoure au moins partiellement le noyau. La nanoparticule conjuguée peut se lier avec le résidu d'empreinte digitale et être détectée par fluorescence.

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