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Immunization by subcutaneous implants of polyester-polyurethane sponges coupled with antigen BJMBR
Lima,S.L.; Machado,C.B.; Pereira,M.A.C.; Cara,D.C.; Velarde,D.T.; Andrade,S.P.; Gontijo,C.M..
A new protocol is described for immunization of outbred Swiss mice. The procedure is based on subcutaneous implantation of antigen-coupled polyester-polyurethane sponges cut into disks of 10 mm in diameter vs 2 mm in thickness. Antigen coupling was performed by overnight incubation of the sponge with a solution of ovalbumin (Ova) (2 mg/ml) diluted in sodium carbonate buffer, pH 9.6. The amount of ovalbumin that was taken up by the sponge was between 71.4 to 82.5 µg. This was estimated by comparing the Ova absorbance at 280 nm in coating buffer solutions before and after incubation. To compare the efficiency of the proposed method, experimental groups immunized with the antigen in the presence of adjuvants (10 µg in Al(OH)3 or 100 µg in complete Freund's...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Sponge; Implant; Immunization; Vaccine.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1999000400011
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