| 摘要 |
The invention relates to a thin film, said film comprising a plurality of layers of polypeptides, said layers of polypeptides having alternating charges, wherein at least one of said polypeptides comprises one or more amino acid sequence motifs consisting of n amino acids, at least x of which are positively charged and none is negatively charged, or at least x of which are negatively charged and none is positively charged, wherein x is greater than or equal to approximately one-half of n.
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