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Analysis Note

Agglutination activity is expressed in µg/ml and is determined from serial dilutions in phosphate buffered saline, pH 6.8, of a 1 mg/ml solution. This activity is the lowest concentration to agglutinate a 2% suspension of human blood group A erythrocytes after 1 hr incubation at 25 °C.

Biochem/physiol Actions

WFA is not blood group specific, but has an affinity for N-acetyl-D-galactosamine.

Packaging

Package size based on active conjugate content

Preparation Note

Protein is biotinylated utilizing aminocaproyl spacer.