This polycationic derivative of ferritin is useful in labeling negative charges on cell surfaces and to study membrane structure. Cationized ferritin is prepared by coupling ferritin from horse spleen with N,N-dimethyl-1,3-propanediamine (DMPA). Sterile filtered solution in 0.15M NaCl. Ferritin Concentration: 10mg per ml, coupled with DMPA. A cationic derivative used to label negatively charged cell membranes for visualization by EM.Danon, D et al. (1972), J. Ultrastruct. Res., 38, 500 Storage : 0-5°C
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