Abstract: Methods and apparatus to associate audience members with over-the-top device media impressions. An example audience measurement apparatus includes a reporting message receiver to receive a first reporting message from a client device coupled to a residential gateway having an internet protocol (IP) address. An AME ID determiner is to assign an audience measurement entity (AME) identifier to the IP address provided by the received first reporting message. A redirect instructor is to send a redirect instruction to the client device to cause the client device to send a second reporting message to a database proprietor, the redirect instruction to include the AME identifier and the IP address. A DP message reporting receiver is to receive, in response to the sent redirect instruction, a third reporting message from the database proprietor that includes a database proprietor (DP) identifier.

Abstract: A method of counting protein subunits to determine the oligomeric state of an oligomeric protein complex includes tagging and expressing the protein subunits with a mass/charge tag and selectively removing each mass/charge tag. The number of protein subunits of the oligomeric complex corresponds to the number of mass/charge tags removed.

Abstract: A method of counting protein subunits to determine the oligomeric state of an oligomeric protein complex includes tagging and expressing the protein subunits with a mass/charge tag and selectively removing each mass/charge tag. The number of protein subunits of the oligomeric complex corresponds to the number of mass/charge tags removed.