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JUST add water and sperm – any romance should be provided separately. In future, women who want to safeguard their fertility may be able to store their eggs at home as a powder. To revive them for an attempt at having a baby, all they would need to do is empty the sachet, add water, fertilise with sperm and implant the embryo.
"You can keep the powder at room temperature forever – and just add water to bring it back to life," says Amir Arav of Core Dynamics in Ness Ziona, Israel, who developed the method. The technique was demonstrated with cow eggs last month at Cryo, a conference on cold-preservation techniques for eggs, sperm and embryos held in Berlin, Germany.
Arav claims that his company's process avoids the expense and complications of storage in liquid nitrogen. During such refrigeration, ice crystals can damage cellular membranes. To avoid this, Arav first soaks the cells in a solution containing substances that displace most of the water in the cells and which help to prevent cold damage to tissue. The protective ingredients...
"You can keep the powder at room temperature forever – and just add water to bring it back to life," says Amir Arav of Core Dynamics in Ness Ziona, Israel, who developed the method. The technique was demonstrated with cow eggs last month at Cryo, a conference on cold-preservation techniques for eggs, sperm and embryos held in Berlin, Germany.
Arav claims that his company's process avoids the expense and complications of storage in liquid nitrogen. During such refrigeration, ice crystals can damage cellular membranes. To avoid this, Arav first soaks the cells in a solution containing substances that displace most of the water in the cells and which help to prevent cold damage to tissue. The protective ingredients...