Tyler, TX. Sponsored Topics. Tyler is a city in and the county seat of Smith County, Texas, in the United States. It takes its name from President John Tyler . The city had a population of 96,900 in 2010, according to the United States Census Bureau, though the city is appealing this claim.
To measure the level of antibodies to particulate antigens, agglutination test can be widely used. For this test, serial dilutions of the sample can be made and it is tested for antibody. Then a fixed amount of particulate antigen or bacteria or red blood cells can be added to it.
All donated blood is tested. After each donation is made, the laboratory tests the blood for a variety of agents. These include: 1  Hepatitis B surface antigen (HbsAg). 2  Hepatitis B core antibody (anti-HBc). 3  Hepatitis C virus antibody (anti-HCV). 4  HIV-1 and HIV-2 antibody (anti-HIV-1 and HIV-2).