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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 14 — Jul. 9, 2007
  • pp: 8702–8712

Target-locking acquisition with real-time confocal (TARC) microscopy

Peter J. Lu, Peter A. Sims, Hidekazu Oki, James B. Macarthur, and David A. Weitz  »View Author Affiliations


Optics Express, Vol. 15, Issue 14, pp. 8702-8712 (2007)
http://dx.doi.org/10.1364/OE.15.008702


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Abstract

We present a real-time target-locking confocal microscope that follows an object moving along an arbitrary path, even as it simultaneously changes its shape, size and orientation. This Target-locking Acquisition with Realtime Confocal (TARC) microscopy system integrates fast image processing and rapid image acquisition using a Nipkow spinning-disk confocal microscope. The system acquires a 3D stack of images, performs a full structural analysis to locate a feature of interest, moves the sample in response, and then collects the next 3D image stack. In this way, data collection is dynamically adjusted to keep a moving object centered in the field of view. We demonstrate the system’s capabilities by target-locking freely-diffusing clusters of attractive colloidal particles, and actively-transported quantum dots (QDs) endocytosed into live cells free to move in three dimensions, for several hours. During this time, both the colloidal clusters and live cells move distances several times the length of the imaging volume.

© 2007 Optical Society of America

OCIS Codes
(070.5010) Fourier optics and signal processing : Pattern recognition
(100.6890) Image processing : Three-dimensional image processing
(180.1790) Microscopy : Confocal microscopy
(180.6900) Microscopy : Three-dimensional microscopy

ToC Category:
Microscopy

History
Original Manuscript: April 20, 2007
Revised Manuscript: June 19, 2007
Manuscript Accepted: June 22, 2007
Published: June 27, 2007

Virtual Issues
Vol. 2, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Peter J. Lu, Peter A. Sims, Hidekazu Oki, James B. Macarthur, and David A. Weitz, "Target-locking acquisition with real-time confocal (TARC) microscopy," Opt. Express 15, 8702-8712 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-14-8702


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