Title :
Frequency analysis of single living cell activity by laser speckle microscope
Author :
Hirakawa, Yasuyuki ; Hasegawa, Tomomi ; Masujima, Tsutomu
Author_Institution :
Graduate Sch. of Biomedical Sci., Hiroshima Univ., Japan
Abstract :
A laser speckle microscopic imaging system was developed to instantaneously observe human single living cell activity. In the experiments, living and dead HeLa cells were compared and analyzed by using frequency spectra of speckle fluctuations.
Keywords :
biomedical optical imaging; cellular biophysics; laser applications in medicine; speckle; HeLa cells; frequency spectra analysis; laser speckle microscopic imaging system; single human living cell activity; speckle fluctuations; Charge coupled devices; Charge-coupled image sensors; Fiber lasers; Fluctuations; Frequency; Laser theory; Optical microscopy; Pixel; Power lasers; Speckle;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202206