Data supporting Inhibition of the Growth of Harmful Algal Bloom-forming Freshwater Cyanobacteria by Clay

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https://doi.org/10.13020/pf7m-2f62
https://hdl.handle.net/11299/226612

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Keywords

Microcystis Aeruginosa

Harmful Algal Bloom

Laponite

Clay

Sedimentation

Cell Density

Collection period

2021-09-29
2021-11-08

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Title

Data supporting Inhibition of the Growth of Harmful Algal Bloom-forming Freshwater Cyanobacteria by Clay

Published Date

2022-03-14

Authors

Yang, Judy

Tomaska, Katherine R

Wei, Guanju

Group

Yang Research Group: Environmental Transport Lab

Author Contact

Tomaska, Katherine R
tomas098@umn.edu

Type

Dataset
Experimental Data

Abstract

This dataset contains cell density measurements and confocal images of Microcystis Aeruginosa. The raw data from hand counting cells under a microscope with a hemocytometer is included, as well as the calculated cell density based on the hemocytometer measurements. The bacteria cells were grown in one of three growth conditions. Each growth condition was simulated in three different flasks. For each date, the cell densities of identical growth conditions were averaged. Cell densities for each date and growth condition were subsequently plotted with error bars to determine any trends. Additionally, data on the environmental conditions of cell growth are included on dates when the measurements were taken. The physical interactions between cyanobacteria and clay particles were visualized using a confocal laser scanning microscope (Nikon C2 plus). Each image is around 2048 by 2048 pixels at a resolution of 0.08 um/pixel. We used a 20X objective magnification. A sequence of images was taken at 10-second intervals for 5 minutes. The laser used for excitation has a wavelength of 488 nm (FITC) and the emission wavelength is 525 nm.

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License

CC0 1.0 Universal
http://creativecommons.org/publicdomain/zero/1.0/

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Data Repository for U of M (DRUM)

Funding information

This study was supported by JQ Yang’s startup funds and University of Minnesota’s MnDRIVE Environment seed grant

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Previously Published Citation

Suggested citation

Yang, Judy; Tomaska, Katherine R; Wei, Guanju. (2022). Data supporting Inhibition of the Growth of Harmful Algal Bloom-forming Freshwater Cyanobacteria by Clay. Retrieved from the Data Repository for the University of Minnesota (DRUM), https://doi.org/10.13020/pf7m-2f62.

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