Fluorescence lifetime imaging in turbid media

被引:253
作者
OLeary, MA [1 ]
Boas, DA [1 ]
Li, XD [1 ]
Chance, B [1 ]
Yodh, AG [1 ]
机构
[1] UNIV PENN, DEPT BIOCHEM & BIOPHYS, PHILADELPHIA, PA 19104 USA
关键词
D O I
10.1364/OL.21.000158
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The lifetime of a fluorophore generally varies in different environments, making the molecule a sensitive indicator of tissue oxygenation, pH, and glucose. However, Lifetime measurements are complicated when the fluorophore is embedded in an optically thick, highly scattering medium such as human tissue. We formulate the inverse problem for fluorescence lifetime tomography using diffuse photon density waves, and we demonstrate the technique by deriving spatial images of heterogeneous fluorophore distribution and Lifetime, using simulated measurements in heterogeneous turbid media. (C) 1996 Optical Society of America
引用
收藏
页码:158 / 160
页数:3
相关论文
共 20 条
  • [1] POTENTIAL APPLICATIONS OF LIFE-TIME-BASED, PHASE-MODULATION FLUOROMETRY IN BIOPROCESS AND CLINICAL MONITORING (VOL 13, PG 106, 1995)
    BAMBOT, S
    LAKOWICZ, JR
    RAO, G
    [J]. TRENDS IN BIOTECHNOLOGY, 1995, 13 (05) : 195 - 195
  • [2] SCATTERING AND WAVELENGTH TRANSDUCTION OF DIFFUSE PHOTON DENSITY WAVES
    BOAS, DA
    OLEARY, MA
    CHANCE, B
    YODH, AG
    [J]. PHYSICAL REVIEW E, 1993, 47 (05) : R2999 - R3002
  • [3] RELATION BETWEEN FLUORESCENCE-SPECTRA OF DILUTE AND TURBID SAMPLES
    DURKIN, AJ
    JAIKUMAR, S
    RAMANUJAM, N
    RICHARDSKORTUM, R
    [J]. APPLIED OPTICS, 1994, 33 (03): : 414 - 423
  • [4] PROPAGATION OF PHOTON-DENSITY WAVES IN STRONGLY SCATTERING MEDIA CONTAINING AN ABSORBING SEMIINFINITE PLANE BOUNDED BY A STRAIGHT EDGE
    FISHKIN, JB
    GRATTON, E
    [J]. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 1993, 10 (01): : 127 - 140
  • [5] HUTCHINSON CL, 1995, P SOC PHOTO-OPT INS, V2389, P274
  • [6] KAK AC, 1988, PRINCIPLES COMPUTERI, P211
  • [7] KNUTTEL A, 1993, REV SCI INSTRUM, V64, P638, DOI 10.1063/1.1144190
  • [8] LI XD, 1995, P SOC PHOTO-OPT INS, V2359, P789
  • [9] LI XD, IN PRESS APPL OPT
  • [10] EXPERIMENTAL IMAGES OF HETEROGENEOUS TURBID MEDIA BY FREQUENCY-DOMAIN DIFFUSING-PHOTON TOMOGRAPHY
    OLEARY, MA
    BOAS, DA
    CHANCE, B
    YODH, AG
    [J]. OPTICS LETTERS, 1995, 20 (05) : 426 - 428