Stem cells have been used in a clinical setting for many years. Haematopoietic stem cells
have been used for the treatment of both haematological and non-haematological disease; …

OBJECTIVE: To examine the literature systematically in order to identify prospective
comparative trials answering the following question: Is vitrification of human embryos …

Although cryopreservation of certain mammalian embryos is now a routine procedure,
considerable differences of efficiency exist depending on stage, species and origin (in vivo …

Cryopreservation of oocytes and embryos is a crucial step for widespread practical
application of other techniques in domestic animal embryology. However, in contrast to the …

After the first successful application of vitrification for embryo cryopreservation 15 years ago,
a rapid application of the method in domestic animal embryology was presumed. However …

We report on microbial contamination of embryos and semen cryopreserved in sealed
plastic straws and stored for 6–35 years in liquid nitrogen. There were 32 bacterial and 1 …

The use of cryoprotective agents for the conventional cryopreservation of human
spermatozoa, oocytes, zygotes, early cleavage stage embryos and blastocysts is an integral …

Objective: To vitrify mouse and human blastocysts with use of the cryoloop procedure and to
assess subsequent development. Design: Controlled study of vitrification of mouse and …

As early as 1985, ice-free cryopreservation of mouse embryos at− 196° C by vitrification was
reported in an attempted alternative approach to cryostorage. Since then, vitrification …

Despite the worldwide application of embryo-freezing technology as the means of
preserving germplasm of mammalian species, there is no information available on the …