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Morphology of LPS aggregates. Freeze-fracture micrographs of LPS R60 and LPS/peptide mixtures. (A) LPS alone shows aggregates of ribbon-like structures appearing more or less cross fractured (area marked by star) or tangentially fractured (area marked by triangle). The extension of the ribbons is more clearly visible in the case of adsorbed ribbons (inset). (B) After addition of Pep19-2.5, multilamellar aggregates are visible.
