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Pastimes : Current Events and General Interest Bits & Pieces

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To: Win Smith who started this subject4/24/2003 8:22:14 AM
From: FaultLine   of 603
 
Japanese lab turns the page on cDNA delivery

Nature.com

[TOKYO] Geneticist Yoshihide Hayashizaki is going back to basics in his bid to supply researchers with samples from his laboratory. From this summer, Hayashizaki plans to send out his collection of 60,000 mouse complementary DNAs (cDNAs) in the form of a hardcover book.

The cDNA samples, which can be used in gene-expression studies, are in great demand from researchers around the world (see Nature 420, 602?604; 2002). Hayashizaki, who works at RIKEN's Genomic Sciences Center in Yokohama, says the DNA book will be mailed by courier, cutting the time and costs incurred by the current supply system, which involves shipping a large box of refrigerated samples.

When researchers drop the cDNA of choice into a tube of water, the paper dissolves leaving the cDNA behind. The samples have been shown to last for about four months, although Hayashizaki says they should last for over a year. His group is patenting the printing method.
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