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I am not sure if you have anyone electronically-minded at your disposal, however there are now LEDs available at 260 and 280nm peak wavelengths. They cost ~$40-$120 each (my data are at least 6 months old so I am not sure if they still cost the same) and they should, with a little fiddling, be able to replace the lamps - provided that you're interested in these two wavelengths :) Artem - Cosmic Cats approve of this message On Tue, May 5, 2015 at 11:05 AM, Roger Rowlett <[log in to unmask]> wrote: > I wouldn't mind knowing how to source this lamp as well. But FYI, the > lamps are usable for years after the FPLC gives you the dire "low > intensity" warning. We just ignore it until the lamp goes completely dark > or it's impossible to measure normal absorbances. We've used the current > lamp for many, many years and it stays on all the time. > > _______________________________________ > Roger S. Rowlett > Gordon & Dorothy Kline Professor > Department of Chemistry > Colgate University > 13 Oak Drive > Hamilton, NY 13346 > > tel: (315)-228-7245 > ofc: (315)-228-7395 > fax: (315)-228-7935 > email: [log in to unmask] > > On 5/5/2015 11:05 AM, Bonsor, Daniel wrote: > > The mercury lamp (28-4042-25) offered by GE Healthcare for Akta systems > come with the housing and is priced at $1345. We have plenty of sparing > housing units and are interested in just the lamp. Does anyone here have > any cheaper alternatives/suggestions than buying the lamp and housing? > > > > Thanks in advance. > > > > Dan > > > > Daniel A Bonsor PhD. > > Sundberg Lab > > Institute of Human Virology > > University of Maryland, Baltimore > > 725 W Lombard Street N370 > > Baltimore > > Maryland > > MD 21201 > > Tel: (410) 706-7457 > > http://www.sundberglab.org/Home.html > > >