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Differential Scanning Calorimetry and Hydrodynamic Study of Bacterial Viruses. About possible heat effects in hermetically closed calorimetric vessels with free volume above the liquid

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Abstract

The phase transitions occurring in aqueous solutions of macromolecules and their complex structures (like order-disorder transitions in proteins or nucleic acids solutions) are usually accompanied by small changes in their specific partial volumes. If the quantity of these substances in the closed calorimetric vessels is relatively large (few mg) and if the phase transition is accompanied by a high change of specific partial volume (like in solution of bacteriophages),it is possible to detect some imaginary heat effects in the DSC calorimeters which have closed (sealed) vessels with free volume above the liquid.

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Authors and Affiliations

  1. Departamento de Química, Faculdade de Ciências, Centro de Investigaçăo em Química, CIQ(UP), Rua do Campo Alegre, 687, P-4169-007, Porto, Portugal

    G. M. Mrevlishvili, M. J. Sottomayor & M. A. V. Ribeiro da Silva

  2. Department of Physics, Tbilisi State University, Tbilisi, Republic of Georgia

    T. D. Mdzinarashvili & M. Al-Zaza

  3. George Eliava Institute of Bacteriophage, Microbiology and Virology, Georgian Academy of Sciences, Tbilisi, Republic of Georgia

    M. Tediashvili, D. Tushishvili & N. Chanishvili

Authors
  1. G. M. Mrevlishvili
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  2. M. J. Sottomayor
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  3. M. A. V. Ribeiro da Silva
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  4. T. D. Mdzinarashvili
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  5. M. Al-Zaza
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  6. M. Tediashvili
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  7. D. Tushishvili
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  8. N. Chanishvili
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Mrevlishvili, G.M., Sottomayor, M.J., Ribeiro da Silva, M.A.V. et al. Differential Scanning Calorimetry and Hydrodynamic Study of Bacterial Viruses. About possible heat effects in hermetically closed calorimetric vessels with free volume above the liquid. Journal of Thermal Analysis and Calorimetry 66, 115–121 (2001). https://doi.org/10.1023/A:1012034718329

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  • DOI: https://doi.org/10.1023/A:1012034718329

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