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Cell adhesion solution

Image Number 2 for United States Patent #6657003.

A cell adhesion solution of a cross-linked polymer for substrates includes an amino acid polymer, a buffered cross-linking agent, and deionized water (DI H.sub.2 O). In one example, the amino acid polymer is selected from a neutral or basic amino acid, such as poly l-lysine or poly l-arginine. In another example, the amino acid polymer includes poly l-lsine. In another example, the amino acid polymer includes poly l-lsine of molecular weight of 100,000 or higher. The cross-linking agent can be selected from an aldehyde functional group, a buffered formaldehyde solution or a 10% neutral buffered formalin solution.

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