Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 2, Pages 470-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja908250r
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Funding
- US NCI [R01-CA85140, R01-CA115767, R01-CA126642, P01-CA80124]
- MIT-Harvard NIH CCNE [1U54-CA119349]
- US ARO through the ISN [W911NF-07-D-0004]
- NSF-MRSEC [DMR-0117795]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [819762] Funding Source: National Science Foundation
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We present the synthesis of InAs quantum dots (QDs) with a ZnCdS shell with bright and stable emission in the near-infrared (NIR, 700-900 nm) region for biological imaging applications, We demonstrate how NIR QDs can image tumor vasculature in vivo at significantly deeper penetration depths and with higher contrast than visible emitting CdSe(CdS) QDs. Targeted cellular labeling is also presented and may enable multiplexed and low auto fluorescence cellular imaging.
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