Point spread function effect in image-based fluorescent microplate detection

被引:17
|
作者
Tan, Han Yen [1 ]
Ng, Tuck Wah [1 ]
Neild, Adrian [1 ]
Liew, Oi Wah [2 ]
机构
[1] Monash Univ, Lab Opt Acoust & Mech, Dept Mech & Aerosp Engn, Clayton, Vic 3800, Australia
[2] Singapore Polytech, Ctr Biomed & Life Sci, Singapore 139651, Singapore
基金
澳大利亚研究理事会;
关键词
Portions of this work were supported by the Australian Research Council ( DP0878454 ) and the Monash NSMRF and ESG schemes;
D O I
10.1016/j.ab.2009.10.046
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A major advantage of the image-based fluorescent microplate detection approach is the capability of using lower magnification to maximize the field of view so that color or intensity can provide a first step in isolating samples of interest in a high-throughput fashion. Lenses with low magnification typically have low numerical aperture, and consequently the effect of the point spread function and the liquid meniscus effect of small liquid volumes on standard microplates conspire to affect the intensity readings. We demonstrate this and show that the capillary well microplate design overcomes this limitation. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码:256 / 258
页数:3
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