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I'm sorry for the belated reply. To answer your question. Yes, the old tube lot 225987 is not working. I hope that answers all of questions.
Asked on May 16 2007
Thank you for clarifying this information. As you have had good results with the other lot I believe the problems is with the vial you received and I would be happy to offer you a replacement vial if the antibody was purchased in the last 120 days. If you could please provide your order details I can arrange a free order for you, I look forward to hearing from you,
Answered on May 16 2007