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LFA Casette

The University of Wageningen gave us (me and two other students) the assignment to re-design the casette for a laterale flow-test. These are tests that you can compare to a pregnancy test: urine goes into a funnel and you get a result; you’re pregnant or not. This doesn’t only work for pregnancy, you can also detect multiple illnesses whit this sort of tests.
Nowadays, these tests come in a cassette that is made of plastic, but that’s not good for the environment because the cassette gets burned when it’s used. Our subject was to desgin a new casette with a new material that would increase the effect on the environment. Our client wanted to push us inthe direction of paper. We did some research and didn’t think that paper was the best sollution.
We chose to make the cassette from PLA (polylactic acid), a bio-plastic that is made from suger cane and corn starch. It has a lower CO2 emission than normal plastic and needs way less water to produce than paper does.

The first picture is the current design of the casette, the other pictures show some sketches and our final design.

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