The Dose Makes the Poison: Testing the Environmental Impacts of Pollution

SKU: 905
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Biological assays, or bioassays, are powerful tools that allow scientists to determine the effects of a given substance on living organisms. In this inquiry-based lab students plan and perform a plant bioassay to determine the environmental hazard of common point and non-point source pollutants. The results are analyzed using averages, standard deviations, and TC50 calculations, integrating STEM.

Group size: For 10 lab groups

Time required: 2 hours, 15 minutes (plus 1 week growing)

Kit Includes: instructions, radish seeds, plant growth medium, antifungal powder, pollutant solutions, cheese cloth, petri dishes, transfer pipets, seriological pipet, conical tubes, microcentrifuge tubes, small loops.

All you need: waterbath, pipet pump, microwave or hot plate, 70% ethanol, sterile water, bleach, automatic micropipet and tips, parafilm, string, rulers, growth light (optional), analytical balance (optional).

Storage: Some Components Require Refrigerator and Freezer Storage.

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