| http://www.w3.org/ns/prov#value | - SUMMARY OF THE INVENTION [0007] The present invention relates generally to surfaces useful in a non-destructive method of determining the uniformity of a coating on a substrate, particularly substrates which are suitable for the attachment of biomolecules such as carbohydrates, nucleic acids, including oligonucleotides, proteins and peptides, as well as cells and tissues.
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