Vitreous Domains in an Aqueous Ribose Solution

  • John M. Wasylyk
  • John G. Baust
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 302)

Abstract

Aqueous solutions containing d-ribose demonstrate the ability to form more than one vitreous domain when exposed to low temperatures. Differential scanning calorimetry revealed two glass transitions (at Tgs of −63 and −43°C) upon cooling and warming at a constant rate of 5°C·min−1. The bulk water of the solution crystallizes at −18°C (Tc). Heat capacity and enthalpy changes, and the derivatives for each thermal event, are calculated. Relaxation studies on the observed Tgs produced anticipated overshoots characteristic of the presence of glassy states.

Keywords

Glass Transition Differential Scanning Calorimetric Glassy State Subzero Temperature Heat Flow Curve 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • John M. Wasylyk
    • 1
  • John G. Baust
    • 1
  1. 1.Center for Cryobiological ResearchState University of New YorkBinghamtonUSA

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