ENVIRONMENTAL SCIENCE
Cat. #928 From Field to Flask: Investigating Nitrogen’s Impact on Waterways
For 10 Groups. Nitrogen is essential for all life on Earth – it’s a key part of DNA, proteins, and the food we eat. In this experiment, students will explore sources of nitrogen in our environment by testing samples for nitrates and nitrites using the Griess reagent. Students will create a standard curve to calculate the concen- trations of samples with unknown amounts of nitrate and nitrite. • Use simple colorimetric methods to detect and measure nitrate levels in real or simulated water samples. • Explore how fertilizer runoff contributes to eutrophication and related health concerns. • Interpret nitrate results and propose solutions to reduce nutrient pollution.pollution.
Cat. #958 Silent Signals: Tracking Disease Through PCR Wastewater Testing
Cat. #922 Follow That Flush: Using Biotechnology to Stop Outbreaks
For 25 students working in 5 groups. Wastewater testing is a valuable public health tool that allows scientists to moni- tor specific diseases within a community. In this experiment, students will use PCR and electrophoresis to analyze simulated water samples for the presence of bacteria and viruses. By exploring how wastewater monitoring works, students will gain insight into how biotechnology plays a vital role in protecting public health.
For 8 gels. Wastewater testing is a public health tool that helps scientists track spe- cific diseases in a community. In this experi - ment, students use electrophoresis to test simulated water samples for bacteria and viruses. By learning how wastewater moni- toring works, students see how biotechnol- ogy helps protect public health.
• Students simulate real-world disease surveillance by analyzing wastewater for Norovirus and E. coli using gel electrophoresis. • Hands-on use of core biotech tools to detect and identify patho- gens in simulated water samples. • Demonstrates how wastewater testing gives early warnings of outbreaks and informs public health responses.
• Students analyze simulated water samples using PCR and electro- phoresis to investigate real-world wastewater surveillance. • Engaging, hands-on experience with essential biotechnology tools to detect and identify pathogens. • Illustrates how wastewater testing provides early detection of outbreaks and supports public health decision-making.
Also available with SYBR® Safe DNA Stain: Cat. #922-S
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These projects were made possible by a Science Education Partnership Award (SEPA), Grant Number 2R44GM143977-02, from the National Institute of General Medical Sciences (NIGMS) of the National Institutes of Health (NIH).
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