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Please have follow this link for all our Hepatitis B Virus Surface Antigen (Ad/Ay) antibodies that are un-conjugated:
https://www.abcam.com/index.html?pageconfig=searchresults&search=Hepatitis B Virus Surface Antigen Ad Ay&pt=1&sk=targ&sv=Hepatitis B Virus Surface Antigen ad %2B ay&sn=Hepatitis B Virus Surface Antigen ad %2B ay&l=3&fViewMore=1
I will be happy to provide further help in choosing a suitable antibody when you provide more information about the samples, application etc you are planning to use.
Answered on Sep 12 2012