Abstract:The usage of synthetic single-strand DNA (ssDNA) as an invisible barcode is critical for products, which are exposed to DNA damaging influences during their production or handling (ultraviolet light, acidic conditions, and high temperatures). Encapsulation may protect ssDNA against hydrolytic attack under acidic conditions. This assumption was proved by embedding ssDNA into a spherical hydrogel matrix of polyacrylamide and coating it with a crosslinked polystyrene shell. After acidic treatment of these capsule… Show more
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