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Latest Cryoprotectant Stories

2011-06-23 20:00:45

Scientists have made an important step forward in their understanding of cryoprotectants "“ compounds that act as natural 'antifreeze' to protect drugs, food and tissues stored at sub-zero temperatures. Researchers from the Universities of Leeds and Illinois, and Columbia University in New York, studied a particular type of cryoprotectants known as osmolytes. They found that small osmolyte molecules are better at protecting proteins than larger ones. The findings, published in...

2009-04-30 12:00:00

Cryoprotectants needed to preserve eggs for reproduction need to be given in stages, albeit rapid ones, say scientists who have developed a mathematical model that predicts optimal time for loading and unloading these drugs.Their studies in Rhesus monkey eggs, which are very similar to human eggs, show that a two-step process of easing into and out of the drugs needed to help protect eggs at subzero temperatures dramatically reduces the amount eggs contract and expand in the process.These...

2006-08-14 17:07:33

By Tan Ee Lyn HONG KONG (Reuters) - Sperm extracted from mice and testes that have been frozen for as long as 15 years have yielded normal, healthy offspring in a study which researchers say heralds fresh hopes for bringing back extinct species. Frozen sperm is now preserved with cryoprotectants, substances that protect it from freezing damage. However, defrosted sperm is not always capable of fertilising an egg. But researchers from Japan, Britain and Hawaii have found that sperm...


Word of the Day
snash
  • To talk saucily.
  • Insolent, opprobrious language; impertinent abuse.
This word is Scots in origin and probably imitative.