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Sadly, I have never seen the room being used. Perhaps one of the 'older' Martinsrieder on the forum has seen it. MM On Jun 19, 2008, at 12:11 PM, Klaus Futterer wrote: > "... room that was lined with insulated steel walls and that could > be flushed with liquid nitrogen." > > I'm trying to picture this ... did you guys have some kind of LN2- > proof SCUBA diving equipment to work in there? > > Klaus > > > > > --------------------------------------------------------------------- > > Klaus Fütterer, Ph.D. > > School of Biosciences P: +44-(0)-121-414 5895 > University of Birmingham F: +44-(0)-121-414 5925 > Edgbaston E: [log in to unmask] > Birmingham, B15 2TT, UK W: www.biochemistry.bham.ac.uk/ > klaus/ > --------------------------------------------------------------------- > > > On 19 Jun 2008, at 18:04, Mischa Machius wrote: > >> Ha, everyone seems to be bragging about how far back cryo- >> crystallography really goes. In that vain, I'd like to mention >> that, in Martinsried, we had a room that was lined with insulated >> steel walls and that could be flushed with liquid nitrogen. It was >> requested (demanded, really...) by Robert Huber when the Max-Planck >> Institute was finalized in 1972 (I hope I got my history right). >> That room contained an entire diffraction system. Talk about >> crystal cooling... bah, way too dinky. Cool the entire room! Of >> course, it was a hazard to work in that room, and so - as far as I >> know - there was only one post-doc from India how ever used it. >> That room had an ante-room with two more generators plus detectors >> that could be cooled down to -20°C! Ah, the good old Wild West >> times of macromolecular crystallography... >> >> Cheers - MM >> >> >> >> On Jun 19, 2008, at 11:48 AM, Pietro Roversi wrote: >> >>> Well everyone, talking of early applications of cryocooling to X-ray >>> crystallography, what about Sten Samson's marvellous helium cryostat >>> which was operational at Caltech since the end of the 1970s and >>> used to >>> reach temperatures around 20 K routinely ...., see for example: >>> >>> Proc Natl Acad Sci U S A. 1982 Jul;79(13):4040-4. >>> Structure of a B-DNA dodecamer at 16 K. >>> Drew HR, Samson S, Dickerson RE. >>> >>> That instrument (and its twin) are now both with Riccardo Destro in >>> Milano. >>> >>> Ciao! >>> >>> Pietro >>> >>> >>> >>> >>> -- >>> Pietro Roversi >>> Sir William Dunn School of Pathology, Oxford University >>> South Parks Road, Oxford OX1 3RE, England UK >>> Tel. 0044-1865-275385 >> >> >> -------------------------------------------------------------------------------- >> Mischa Machius, PhD >> Associate Professor >> Department of Biochemistry >> UT Southwestern Medical Center at Dallas >> 5323 Harry Hines Blvd.; ND10.214A >> Dallas, TX 75390-8816; U.S.A. >> Tel: +1 214 645 6381 >> Fax: +1 214 645 6353 -------------------------------------------------------------------------------- Mischa Machius, PhD Associate Professor Department of Biochemistry UT Southwestern Medical Center at Dallas 5323 Harry Hines Blvd.; ND10.214A Dallas, TX 75390-8816; U.S.A. Tel: +1 214 645 6381 Fax: +1 214 645 6353