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[Chlamydomonas] using a -150degC freezer for cryopreservation

Purton, Saul via chlamy%40net.bio.net (by s.purton from ucl.ac.uk)
Wed Dec 11 08:30:03 EST 2013

Dear all,

Following  Xenie's question below, I would welcome any comment, or feedback of experience with Life Technologies' new cryopreservation kit:


We are just about to invest in a new liq N2 storage facility, but if long-term storage of Chlamy at -80oC is indeed feasible, then this would be a significant advance.

Best wishes,


Dr Saul Purton
Institute of Structural and Molecular Biology
Darwin Building
University College London
Gower Street
Tel: +44 (0)20 7679 2675
s.purton from ucl.ac.uk

From: chlamy-bounces from oat.bio.indiana.edu <chlamy-bounces from oat.bio.indiana.edu> on behalf of xenie johnson <xeniejohnson from gmail.com>
Sent: 26 September 2013 14:29
To: bionet-chlamydomonas from net.bio.net
Subject: [Chlamydomonas] using a -150degC freezer for cryopreservation


Usually, we cryopreserve our strains using the traditional method and leave them in vapor phase liquid nitrogen storage tanks until we need them. This seems to work for us and for lots of other people. There are –150 degC freezers on the market that are used for human samples, usually used by hospitals I think and I was wondering if anyone knows if these can also be used to store Chlamy strains?

If anyone has tried this and it works please tell, it is more economical and less dangerous long term it seems. Thanks.

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