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Today I worked on the paper electrophoresis of saliva and basically what you do is get saliva put it in a pcr tude and centrifuge it for about a minute or so. Get 2 microscope slides and a piece of starch paper the size of the slides. Wet the starch paper with the buffer and put it flat on one of the slide. Then get 20 microliters of saliva and put it directly in the center of the starch paper and cover it up with the second microscope slide. Put the slide into the cell chamber and fill it up with buffer until the top of the slide is covered. After that run 100 volts through it for about 1 hour. Thats all I did today.