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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mathew, Allen
University College Dublin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2022Fast equilibration mechanisms in disordered materials mediated by slow liquid dynamicscitations
- 2019Determination of glass transition temperature using temperature dependent signal from a cryogenic photopyroelectric instrumentcitations
- 2017Low temperature photo pyroelectric study on the glassy state in the presence of cryoprotectants - comparison with DSC and viscosity studies.
- 2015Crystal Field Parameters and Optical Parameters of Nd3+ in Sodium Bismuth Silicate Glasscitations
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document
Low temperature photo pyroelectric study on the glassy state in the presence of cryoprotectants - comparison with DSC and viscosity studies.
Abstract
Cryopreservation is gaining more importance in today’s industry as it is an important tool for the preservation of biological cells or tissues for future studies or transplantation. In vitrification, a well practiced cryopreservation technique, addition of cryoprotectants is an essential part to avoid ice formation. Studying the glassy state and the fragility is very important to understand the capability of cryoprotective agents of being used in vitrification. Photopyroelectric (PPE) technique is an accurate method to determine the thermal fluctuations in a sample. This paper emphasis on the setup and calibration of an instrument using PPE technique between -180°C and room temperature and the method used to find the glass transition temperature and fragility parameter from PPE. It concludes with a comparative study using Differential Scanning Calorimetry (DSC) and viscosity measurements giving a better understanding about the glass transition temperature (Tg) and fragility (m).