Field and laboratory methods to monitor lake aerosols for cyanobacteria and microcystins

This study tested field and laboratory methods for the collection of cyanobacteria and microcystins emitted from lake water. These methods feature a highly portable, on-lake system for collecting aerosols directly from the lake, as well as a laboratory system for measurement of aerosols from freshly...

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Bibliographic Details
Published in:Aerobiologia 2016-09, Vol.32 (3), p.395-403
Main Authors: Murby, A. L., Haney, J. F.
Format: Article
Language:English
Subjects:
Aerosols
Air filters
Allergology
Atmospheric Protection/Air Quality Control/Air Pollution
Chlorophyll
Controlled conditions
Cyanobacteria
Earth and Environmental Science
Environment
Environmental Engineering/Biotechnology
Environmental Health
Filters
Laboratories
Lakes
Microcystins
OriginalPaper
Phycobilin
Pigments
Plant Pathology
Pneumology/Respiratory System
Public health
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Summary:This study tested field and laboratory methods for the collection of cyanobacteria and microcystins emitted from lake water. These methods feature a highly portable, on-lake system for collecting aerosols directly from the lake, as well as a laboratory system for measurement of aerosols from freshly collected water samples under controlled conditions. Membrane air filters (0.45 μm) collected small particles such as picoplankton (0.2–2.0 μm) from aerosolized lake water. Picocyanobacteria were distinguished from other photosynthetic cells with epifluorescence microscopy using excitation filters for chlorophyll a (435 nm) and for phycobilin pigments (572 nm), characteristic of cyanobacteria. Aerosolization of picocyanobacteria ranged from 8872 to 167,297 cells m − 3 in the field and 23,764 to 365,011 cells m − 3 in the laboratory. Microcystin levels from field air filters ranged (below detectable limits) 
ISSN:0393-5965
1573-3025
DOI:10.1007/s10453-015-9409-z