They work fine and they don't break if you drop them. Bear in mind that they aren't resistant to a lot of chemicals and that you can't autoclave them. Also, the $160 price tag suggests a lucrative market niche for someone who has rudimentary skill with a carpet knife.

On Oct 9, 2008, at 1:17 AM, Jean-Baptiste REISER wrote:

Dear all,

Does anyone in the biocrystallogaphy community use foam dewars for handly liquid nitrogen and freezing/manipulating frozen protein crystals ?

We are interested in the following dewar package from Hampton Research : http://www.hamptonresearch.com/products/ProductDetails.aspx?cid=24&sid=187&pid=559

But before purchasing, we would like to have any comments on the advantages and drawbacks from people who already tried those dewars.

Thanks in advance for your help and advices.

--
Dr JEAN-BAPTISTE REISER - Chargé de recherche CNRS
******************************************************************************************
Laboratoire de Cristallographie et Cristallogenèse des Protéines (LCCP)
et Partnership for Structural Biology (PSB)
Institut de Biologie Structural Jean-Pierre Ebel (IBS) - CNRS - CEA - UJF
41, rue Jules Horowitz
38027 Grenoble - France
Phone : +33 (0)4 76 20 94 49
Fax : +33 (0)4 76 20 94 80
E-mail : [EMAIL PROTECTED]
Web sites : http://www.ibs.fr ; http://psb.esrf.fr
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<jean-baptiste_reiser.vcf>

--
James Stroud
UCLA-DOE Institute for Genomics and Proteomics
Box 951570
Los Angeles, CA  90095

http://www.jamesstroud.com

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