In this video, the gradient device made over spring break is being tested. The test is to show that the different color combinations can be made by using laminar mixing in a microfluidic chip. Two different dyes were used to create two solutions for the input into the chip. As the clip shows, the two extremes outlets are going to be the original input colors and the the middle outlets are going to have a different mixing concentration of the two.
A few things to note-
1. Our input driving system is a pressure driven pump (instead of a conventional syringe pump) to flow the fluids into the chip. As the moment the input pressure for each reservoir were set to be different, which affects the mixing ratios between the colors. This is show that our system can replace the pre-existing system.
2. Leakages at the outputs will be seen and are due to larger tube size. In the future that will be fixed.
A few things to note-
1. Our input driving system is a pressure driven pump (instead of a conventional syringe pump) to flow the fluids into the chip. As the moment the input pressure for each reservoir were set to be different, which affects the mixing ratios between the colors. This is show that our system can replace the pre-existing system.
2. Leakages at the outputs will be seen and are due to larger tube size. In the future that will be fixed.
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