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Sephadextrade bead agarose electrophoresis (SBAE) was used to enrich the higher dextran binding phages. Phage collection obtained after the 2nd round of SBAE was 3.5 fold higher color intensity than that of phage collections obtained after the 1st round. DNA sequencing of phage collection (SBAE-2R) confirmed that human origin antibody was present. The PCR products of lambda, k light chains and heavy chain from phage collection (SBAE-2R) were approximately 420 bp, 550 bp and 600 bp.