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Anti-Apolipoprotein E antibody (ab20874)

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This product is covered by the Abpromise guarantee. Our scientific support team are available to answer any questions or queries - fill out an inquiry form for ab20874 for help.

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2 questions for ab20874

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Question 1

Monday 19-December-2011

Dear Mrs. Nordgren

Thank you a lot for your help. Could you please, provide us the same details (lot nr) of our orders from year 2010? ApoE Ab were ordered twice on 18.01.10 and 24.03.10

One more time thank you Have a nice day

ANSWER:

  

I have looked into the following orders and have found that the vials provided again came from the same stock:

Order number xxxxx (PO number xxxxx) of 30th March 2010 lot number  xxxxx Order number xxxxx (PO number xxxxx) of 19th of January 2010 lot number 721569

Although the lot numbers for these orders appear to be completely different they do actually come from the same stock as those of GR32116-4 and GR32116-2. Again they have been aliquotted at different times and a different numbering system was used. We have moved towards using the GR numbers in identifying individual vials as this allows us and yourselves to see quite clearly which lots are related.

I hope this information has been of help. If you require any further information please do not hesitate to ask.

Question 2

Monday 19-December-2011

Half year ago we ordered rabbit polyclonal antibodies to Apolipoprotein E (ab20874). This product was delivered on 19. 07. 11.

We performed already several experiments with this Ab. Recently (10 12 11) we reordered the same product, but as this are polyclonal Ab it would be important to know if the Lot number of this product changed since July 2011 (when the first order was placed) . Could you provide us this information?

Thank you in advanced,

Best Regards

ANSWER:

  

Thank you for contacting us.

I have checked through our records to find the details of your orders, as follows:

11th July 2011: Order number xxxxx (PO number xxxxx): lot number GR32116-4

13th December 2011: Order number xxxxxx (PO number xxxxxx): lot number GR32116-2

If these order details are the ones which match your deliveries, these two lots are from the same batch (animal and purification). The added -4 and -2 of the lot numbers simply indicates that the product was aliquotted by us at different times. These two products should therefore behave in the same way as each other.

I hope this information has been of help. If you have any problems please do let us know.

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