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Quantification of cyanobacterial cells via a novel imaging-driven technique with an integrated fluorescence signature.

Abstract：

:A novel imaging-driven technique with an integrated fluorescence signature to enable automated enumeration of two species of cyanobacteria and an alga of somewhat similar morphology to one of the cyanobacteria is presented to demonstrate proof-of-concept that high accuracy, imaging-based, rapid water quality analysis can be with conventional equipment available in typical water quality laboratories-this is not currently available. The results presented herein demonstrate that the developed method identifies and enumerates cyanobacterial cells at a level equivalent to or better than that achieved using standard manual microscopic enumeration techniques, but in less time, and requiring significantly fewer resources. When compared with indirect measurement methods, the proposed method provides better accuracy at both low and high cell concentrations. It extends the detection range for cell enumeration while maintaining accuracy and increasing enumeration speed. The developed method not only accurately estimates cell concentrations, but it also reliably distinguishes between cells of Anabaena flos-aquae, Microcystis aeruginosa, and Ankistrodesmus in mixed cultures by taking advantage of additional contrast between the target cell and complex background gained under fluorescent light. Thus, the proposed image-driven approach offers promise as a robust and cost-effective tool for identifying and enumerating microscopic cells based on their unique morphological features.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Jin C,Mesquita MMF,Deglint JL,Emelko MB,Wong A

doi

10.1038/s41598-018-27406-0

subject

Has Abstract

pub_date

2018-06-13 00:00:00

pages

9055

issue

1

issn

2045-2322

pii

10.1038/s41598-018-27406-0

journal_volume

8

pub_type

杂志文章

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