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J Biomed Opt. 2013 Jun;18(6):60504. doi: 10.1117/1.JBO.18.6.060504.

Optical imaging for brain tissue characterization using relative fluorescence lifetime imaging.

Author information

1
University of California Los Angeles, Department of Electrical Engineering, Los Angeles, CA 90095, USA.

Abstract

An autofluorescence lifetime wide-field imaging system that can generate contrast in underlying tissue structures of normal and malignant brain tissue samples with video rate acquisition and processing time is presented. Images of the investigated tissues were acquired with high resolution (∼35 μm) using an algorithm to produce contrast based on differences in relative lifetimes. Sufficient contrast for delineation was produced without the computation of fluorescence decay times or Laguerre coefficients. The imaged tissues were sent for histological analysis that confirmed the detected imaged tissues morphological findings and correlations between relative lifetime maps and histology identified.

PMID:
23760460
DOI:
10.1117/1.JBO.18.6.060504
[Indexed for MEDLINE]

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