期刊
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
卷 1675, 期 1-3, 页码 12-20出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbagen.2004.08.003
关键词
Axisymmetric Drop Shape Analysis (ADSA); Captive Bubble (CB); pulmonary surfactant; image analysis; dynamic surface tension measurement
The methodology combining Axisymmetric Drop Shape Analysis (ADSA) with a captive bubble (ADSA-CB) facilitates pulmonary surfactant related studies. The accuracy of ADSA-CB is crucially dependent on the quality of the bubble profile extracted from the raw image. In a previous paper, an image analysis scheme featuring a Canny edge detector and a Axisymmetric Liquid Fluid Interfaces-Smoothing (ALFI-S) algorithm was developed to process captive bubble images under a variety of conditions, including images with extensive noise and/or lack of contrast. A new version of ADSA-CB based on that image analysis scheme is developed and applied to pulmonary surfactant and pulmonary surfactant-polymer systems. The new version is found to be highly noise-resistant and well self-adjusting. (C) 2004 Elsevier B.V. All rights reserved.
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