Comparison of closed vs open vitrification devices

The concept of fast freezing or vitrification was first described more than 80 years ago by Basile J. Luyet, the so-called Father of Cryobiology (Luyet, 1937). He showed that supercooled solutions could be solidified without crystallization, forming a glass-like state. Already then, the potential of the technique and the associated challenges were in the research spotlight. Today, we’ve managed to overcome all methodological-related issues of vitrification. It has evolved into a reliable and efficient method to freeze oocytes and embryos. Vitrification is used for medically assisted reproduction and fertility preservation: the goal is to ensure the maximum survival rate with the highest level of biosafety. In this blog post, we will compare closed and open carrier devices for vitrification.

Why are there two types of vitrification devices?
The main principle of vitrification, to avoid ice crystal formation during cooling, storage and warming, can be equally achieved using a closed or open vitrification device.

JPMorgan European Discovery Trust plc (LON:JEDT) is an investment trust company. The Investment Trust JEDT objective is to achieve capital growth from a portfolio of quoted smaller companies in Europe, excluding the United Kingdom.

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