Graphene is a superstar in the world of biosensors. This 2D wonder material is making waves due to its unique structure and electrical properties. It allows for the detection of various biological targets without needing labels or amplification. This makes it highly sensitive and selective. However, detecting tiny biomolecules with minimal charge has been a tough nut...

Alzheimer's disease is a growing concern, with millions of people affected worldwide. Early detection is crucial for better management and treatment. Two important indicators of this disease are monoamine oxidase B (MAO-B) and acetylcholinesterase (AChE). These substances are often elevated in individuals with Alzheimer's. However, finding both of these indicators at...