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Protect the Pill
Biomedical EngineeringeVOL9
Summer 2015
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Brainstorming
• What kinds of things hurt your stomach?
• What might soothe your stomach?
• What are some ways to keep medicine from hurting your stomach?
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Digestive System Anatomy
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Your Challenge
• Your team will create an “enteric” coating for a pill that can protect it from a simulated acidic environment (stomach).
• You will be provided the Following Materials:– Oil– Sugar– Flour– Corn Starch– Candy (your pill to protect)
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Brainstorm
• As a team, take 5 minutes to discuss and decide on an initial recipe for your pill coating
• Write your initial recipe on your worksheet
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Build!
• As a team, gather the ingredients (in the correct proportion that you need) and start to mix your coating
• If you need to adjust your recipe, that is ok! Make sure to document what your ending recipe ends up being.
• Coat your pill and be ready to test.
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Test!
• Each team should label their cup and bring it up to the front.
• We will test each team’s pill against a control pill (1 Skittle with no coating)
• After 10 minutes, we’ll gather data on which pills worked and what recipes were used
• Write your team’s recipe up on the whiteboard to share with the class
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CREATIVE TIME
• While we wait for our test to be finished:
• As a team, come up with a commercial or ad to try to sell your candy coating to manufacturers.
• Your commercial/ad can be in the form of a skit, song, rap, dance, poster, art…or something else creative!
• We’ll share these during our next CREATIVE TIME
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Reflect!
• Record the results of your test next to your recipeIs the coating still intact?Does your candy still have it’s color?Has your candy started to dissolve?
• Can anyone see any trends with which coatings survived and what ingredients/fractions were used?
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ITERATE!!!
• Based on the results of the first test, let’s try this again!
• This time, you must write down your recipe for your coating and stick to it…no adjustments!
• Coat your candy and be ready to test again!
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ITERATE!!!
• Let’s test again!
• While we wait…who wants to share their commercial/ad?
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Report Time!
• What did we learn today?
• Why did we test in the Sprite? Why didn’t we have someone swallow our “pill” and see how it lasted?
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Today’s Video!
• Now let’s watch how pills are made!
• https://www.youtube.com/watch?v=TrAHTmq-DLE