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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 4 — Apr. 1, 2014
  • pp: 1190–1202

Wide-field in vivo background free imaging by selective magnetic modulation of nanodiamond fluorescence

Susanta K. Sarkar, Ambika Bumb, Xufeng Wu, Kem A. Sochacki, Peter Kellman, Martin W. Brechbiel, and Keir C. Neuman  »View Author Affiliations

Biomedical Optics Express, Vol. 5, Issue 4, pp. 1190-1202 (2014)

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The sensitivity and resolution of fluorescence-based imaging in vivo is often limited by autofluorescence and other background noise. To overcome these limitations, we have developed a wide-field background-free imaging technique based on magnetic modulation of fluorescent nanodiamond emission. Fluorescent nanodiamonds are bright, photo-stable, biocompatible nanoparticles that are promising probes for a wide range of in vitro and in vivo imaging applications. Our readily applied background-free imaging technique improves the signal-to-background ratio for in vivo imaging up to 100-fold. This technique has the potential to significantly improve and extend fluorescent nanodiamond imaging capabilities on diverse fluorescence imaging platforms.

© 2014 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(160.4236) Materials : Nanomaterials

ToC Category:
Nanotechnology and Plasmonics

Original Manuscript: January 23, 2014
Revised Manuscript: March 6, 2014
Manuscript Accepted: March 7, 2014
Published: March 14, 2014

Susanta K. Sarkar, Ambika Bumb, Xufeng Wu, Kem A. Sochacki, Peter Kellman, Martin W. Brechbiel, and Keir C. Neuman, "Wide-field in vivo background free imaging by selective magnetic modulation of nanodiamond fluorescence," Biomed. Opt. Express 5, 1190-1202 (2014)

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