monosaccharide

Fructose, a monosaccharide known as "fruit sugar," is a common dietary sugar found naturally in fruit, honey, and processed foods.

The hairpin hybridizes with the DNA containing the monosaccharide code, opening the hairpin and allowing the fluorophore to fluoresce.

The final key component of Li and colleagues’ system is another hairpin DNA, which contains a complementary sequence to the monosaccharide code and a sequence that can displace the protein code from a double helix.

The third segment has a sequence that enables the complete strand to form a structure known as a hairpin, which masks the monosaccharide code.

The hairpin DNA is covalently attached to the sugar identified by the monosaccharide code.