Qtracker® non-targeted quantum dots are designed to be injected into the tail vein of mice for the study of vascular structure using small animal in vivo imaging (SAIVI) techniques. These nanocrystals exhibit intense fluorescence with red-shifted emission for increased tissue penetration, and have a PEG surface coating specially developed to minimize nonspecific interactions and reduce immune response by the tissue. Because the PEG surface coating does not contain reactive functional groups, the Qtracker® non-targeted quantum dots are retained in circulation longer and can be imaged for up to 3 hours with a single injection or for longer periods of time with additional injections.
• Qtracker® 800 label has Ex/Em (405-760/800) nm • Designed for small animal in vivo imaging • Introduced via tail vein injection, can be imaged for up to 3 hours after injection • Available in four colors—565 nm, 655 nm, 705 nm, or 800 nm emission
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