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Biotechnol J. 2011 Feb;6(2):138-49. doi: 10.1002/biot.201000427.

Miniaturized lensless imaging systems for cell and microorganism visualization in point-of-care testing.

Author information

1
Demirci Bio-Acoustic MEMS in Medicine (BAMM) Labs at the HST-BWH Center for Bioengineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. udemirci@rics.bwh.harvard.edu

Abstract

Low-cost, robust, and user-friendly diagnostic capabilities at the point-of-care (POC) are critical for treating infectious diseases and preventing their spread in developing countries. Recent advances in micro- and nanoscale technologies have enabled the merger of optical and fluidic technologies (optofluidics) paving the way for cost-effective lensless imaging and diagnosis for POC testing in resource-limited settings. Applications of the emerging lensless imaging technologies include detecting and counting cells of interest, which allows rapid and affordable diagnostic decisions. This review presents the advances in lensless imaging and diagnostic systems, and their potential clinical applications in developing countries. The emerging technologies are reviewed from a POC perspective considering cost effectiveness, portability, sensitivity, throughput and ease of use for resource-limited settings.

PMID:
21298800
PMCID:
PMC3066565
DOI:
10.1002/biot.201000427
[Indexed for MEDLINE]
Free PMC Article
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