We are sorry to announce, that due to the ill-health of Professor Stephen Davidson that the range of Citifluor materials will no longer be manufactured and sold direct through Citifluor Ltd. Users will be pleased to know that Electron Microscopy Sciences doing business at 1560 Industry Road, Hatfield Pa 19440 Tel: 215-412-8400 will take over the complete manufacturing, production and marketing of these materials under the Citifluor brand name. There will be no interruption of service and all products will be available through them. Please visit their web-site for further details; www.emsdiasum.com or you may contact them by email at sgkcck@aol.com. EMS look forward to hearing from you