Immunostaining of a cryo-section from an Alzheimer's patient with anti-Abeta-pE11 (dilution 1 : 200; red) counterstained with digoxiginated mouse anti-Abeta-pE3 (cat. no. 218 011; blue) and a commercially available biotinylated generic mouse Abeta antibody (green).

Courtesy: W. Härtig, Paul Flechsig Institute, Leipzig.

Immunostaining of paraffin embedded brain section from an Alzheimer's patient (dilution 1 : 100). Immunoreactivity in amyloid plaques was revealed using diaminobenzidine as chromagen. Nuclei were counterstained with haematoxylin (blue).

Courtesy: O. Wirths, Dept. of Psychiatry, Div. of Molecular Psychiatry; University of Goettingen.

ELISA quantification of different directly adsorped Abeta-pE11-42 amounts. Identical amounts of Abeta-pE11-42, Abeta-pE3-42 and Abeta-p1-42 have been included as specificity controls.