NDLI: Characterization of Aerosols Containing Microcystin

Content Provider	PubMed Central
Author	Cheng, Yung Sung Zhou, Yue Irvin, C. Mitch Kirkpatrick, Barbara Backer, Lorraine C.
Copyright Year	2007
Abstract	Toxic blooms of cyanobacteria are ubiquitous in both freshwater and brackish water sources throughout the world. One class of cyanobacterial toxins, called microcystins, is cyclic peptides. In addition to ingestion and dermal, inhalation is a likely route of human exposure. A significant increase in reporting of minor symptoms, particularly respiratory symptoms was associated with exposure to higher levels of cyanobacteria during recreational activities. Algae cells, bacteria, and waterborne toxins can be aerosolized by a bubble-bursting process with a wind-driven white-capped wave mechanism. The purposes of this study were to: evaluate sampling and analysis techniques for microcystin aerosol, produce aerosol droplets containing microcystin in the laboratory, and deploy the sampling instruments in field studies. A high-volume impactor and an IOM filter sampler were tried first in the laboratory to collect droplets containing microcystins. Samples were extracted and analyzed for microcystin using an ELISA method. The laboratory study showed that cyanotoxins in water could be transferred to air via a bubble-bursting process. The droplets containing microcystins showed a bimodal size distribution with the mass median aerodynamic diameter (MMAD) of 1.4 and 27.8 μm. The sampling and analysis methods were successfully used in a pilot field study to measure microcystin aerosol in situ.
Ending Page	150
Starting Page	136
File Format	PDF
ISSN	16603397
e-ISSN	16603397
Journal	Marine Drugs
Issue Number	4
Volume Number	5
Language	English
Publisher	Molecular Diversity Preservation International
Publisher Date	2007-10-12
Access Restriction	Open
Rights Holder	Molecular Diversity Preservation International
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Drug Discovery Pharmaceutical Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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