Simple, inexpensive attainment and measurement of very high cooling and warming rates |
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| Authors: | F.W. Kleinhans Shinsuke Seki |
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| Affiliation: | a Fundamental and Applied Cryobiology Group, Department of Biochemistry and Cellular and Molecular Biology, The University of Tennessee, Knoxville, TN 37932, USA
b Department of Physics, IUPUI, Indianapolis, IN 46202, USA |
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| Abstract: | We have developed a simple, inexpensive system (<$300 US) for measuring cooling and warming rates of small (∼ 0.1 μl) aqueous samples at rates as high as 105 °C/min. The measurement system itself, can track rates approaching one million °C/min. For temperature sensing, a Type T thermocouple with 50 μm wire was used. The thermocouple output voltage was read with an inexpensive USB based digital oscilloscope interfaced to a laptop computer, and the raw data were processed with MS Excel. |
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| Keywords: | Inexpensive temperature measurement High rate Warming Cooling Type T thermocouple USB oscilloscope Cryotop |
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