Recent developments in DNA nanostructure-based biosensors for the detection of melamine adulteration in milk

•Food safety has a great impact on public health and food safety surveillance is a major issue in the food industry.•Melamine is a common adulterant that shows the apparent protein content of milk and infant formula higher.•DNA nanostructures are promising bioreceptors with prominent biocompatibility, low cost, durability, and facile synthesis.•This review brings insights toward DNA nanostructure-based approaches for the detection of melamine adulteration in milk.