An automatic micropipette fluid dispenser |
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| Authors: | James Allison Donald M Bailey Bert L Mikesell Johnnie Waltke |
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| Institution: | 1. Department of Psychology, Indiana University, 47405, Bloomington, IN
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| Abstract: | An automatic device for repeated dispensation of a precisely controlled amount of fluid is described. The device employs a repeating micropipette powered by an electric motor geared to a rack-and-pinion drive. In our particular application, thirsty rats work for 0.2-ml shots of water delivered to a metal spout connected to a drinkometer circuit. This arrangement permits the recording of both volumetric intake and the number of licks directed at the spout. |
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