Dear Sirs, We are writing to inform you about the urgent need of our Department of Membrane Ion Channels at the Institute of Biophysics of some equipment for a new biochemical laboratory. Therefore we would like to ask you for your kind assistance. We would be very grateful if it is possible for you to provide us with some of the following apparatuses and devices, if they are already out of use, out-of-date and/or discarded in your labs, but still in proper working condition: magnetic and hot plate stirrers mixers dissolved oxygen meter pH meter peristaltic pumps flatbed X-Y recorders (2 to 6 channels) or 250 mm vertical face recorders shakers variable speed shakers spectrophotometers UV-visible water purification system colorimeter digital balances immersion circulators selectable speed microcentrifuges compact chromatographs and accessories HPLC detector automatic sampler fraction collector with peak separator gamma/beta counter (solid phase) mini electrophoresis cells gel dryer You can contact Dr. Dessislava B. Duridanova, at [log in to unmask] or fax No +(3592)-730-385. We are much obliged to your kind attention. Looking forward to hearing from you, Yours sincerely, Prof. Kiril K. Boev, DSci Head of the Institute of Biophysics ----------------------------------------------------------- Please contact: Dr D. B. Duridanova Department of Membrane Ion Channels Institute of Biophysics Bulgarian Academy of Sciences Acad. Gerogi Bonchev str, bl.21 1113 Sofia, Bulgaria tel (3592)-713-2630, FAX (3592)-730-385 e-mail: dessybd@