摘要 |
<p>The present invention relates to a method of vitrification of a biological specimen. According to the method of the present invention, a biological specimen is directly exposed to a freezing material. Upon exposure to the freezing material, the biological specimen undergoes vitrification. The biological specimen which has undergone vitrification may be stored for a period of time, and then thawed at a later date. The thawed biological specimen remains viable. Preferred biological specimens according to the present invention are developmental cells.</p> |