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Recap of Robot Sampling Hand, Wheels/Treads, and Soil/Water samples were taken to test for bacteria Incubated at 37 ºC for 2 days for microbial growth.

Published byLawrence Gregory Modified over 9 years ago

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Presentation on theme: "Recap of Robot Sampling Hand, Wheels/Treads, and Soil/Water samples were taken to test for bacteria Incubated at 37 ºC for 2 days for microbial growth."— Presentation transcript:

1 Recap of Robot Sampling Hand, Wheels/Treads, and Soil/Water samples were taken to test for bacteria Incubated at 37 ºC for 2 days for microbial growth

2 Colony Forming Units (CFU) A measure of viable bacterial or fungal numbers A single bacterium can grow and become a colony

3 Contamination Accidental introduction of “foreign” material that can distort the results of an experiment Could the results show contamination? How could contamination occur?

4 Planetary Protection Preventing life from getting from one planet to another and causing harm Even with super clean spacecraft, some microbes will always get by

5 Ways to Prevent Contamination Sterile environment UV What else

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