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A combined differential scanning calorimeter-optical video microscope for crystallization studies

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Abstract

A simultaneous differential scanning calorimeter (DSC)-optical video microscope instrument has been developed. The instrument development included slight modifications to the sample head of a Perkin-Elmer DSC-7, along with the use of a CCD camera and magnifying lenses. The instrument permitted simultaneous following of optical and thermal events during isothermal and non-isothermal DSC experiments. The DSC curves were almost identical to those given by a standard DSC-7. The operational temperature range of the instrument is between −160 to 600°C. The capabilities of the DSC-video microscope are illustrated by examples of ice crystallization data in aqueous solutions of glycerol and dimethyl sulphoxide.

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Authors and Affiliations

  1. Transfusion and Cryopreservation Program, NMRI, Naval Medical Center, 20889-5607, Bethesda, MD, USA

    J. M. Hey & P. M. Mehl

  2. Department of Chemistry, Monash University, Wellington Road, 3168, Clayton, Victoria, Australia

    D. R. MacFarlane

Authors
  1. J. M. Hey
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  2. P. M. Mehl
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  3. D. R. MacFarlane
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Additional information

Naval Medical Research and Development Command, Work Unit No. 61153 N. MRO 4120.001-1462 NM R&D. The opinions and assertions contained herein are the private ones of the writers and are not to be construed as official nor as representing those of Defense or of the Navy.

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Hey, J.M., Mehl, P.M. & MacFarlane, D.R. A combined differential scanning calorimeter-optical video microscope for crystallization studies. Journal of Thermal Analysis 49, 991–998 (1997). https://doi.org/10.1007/BF01996785

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  • DOI: https://doi.org/10.1007/BF01996785

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