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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
Authors:Mrevlishvili  G. M.  Sottomayor  M. J.  Ribeiro da Silva  M. A. V.  Mdzinarashvili  T. D.  Al-Zaza  M.  Tediashvili  M.  Tushishvili  D.  Chanishvili  N.
Affiliation:1.Departamento de Química, Faculdade de Ciências, Centro de Investiga??o em Química, CIQ(UP), Rua do Campo Alegre, 687, P-4169-007, Porto, Portugal
;2.Department of Physics, Tbilisi State University, Tbilisi, Republic of Georgia
;3.George Eliava Institute of Bacteriophage, Microbiology and Virology, Georgian Academy of Sciences, Tbilisi, Republic of Georgia
;
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. This revised version was published online in July 2006 with corrections to the Cover Date.
Keywords:DSC  heat effects in phage suspensions  partial volume effects  sealed calorimetric vessels
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