Devices, systems, methods, and compositions of matter can track and/or identify a library of elements, particularly for use with fluids, particulates, cells, and the like. Signals from one or more semiconductor nanocrystals may be combined to define spectral codes. Separation of signal wavelengths within...http://www.google.fr/patents/US20040178338?utm_source=gb-gplus-shareBrevet US20040178338 - Differentiable spectral bar code methods and systems
Differentiable spectral bar code methods and systems
Numéro de demande: 10/807,616 Numéro de publication: US 2004/0178338 A1 Date de dépôt: 23 mars 2004 Brevet délivré: US7559481 ( Date de délivrance 14 juil. 2009)