Question

How does electrochemical biosensor work at a molecular level? How much sample does an electrochemical biosensor need? What kind of electrode can be used ( does not need to be biocompatible)? If I want to design a wireless biosensor, what should the biosensor include so that the signal will transfer to phone app and computer?

Answer 1

• Electrochemical biosensors are a class of biosensors that function using an electrochemical transducer. They can detect biological materials such as enzymes, whole cells, specific ligands, and tissues, but also nonbiological matrixes.

Electrochemical sensors are able to detect various biomolecules in the human body such as glucose, cholesterol, uric acid, lactate, DNA, hemoglobin, blood ketones, and others. Thus they have great potential to treat diseases related to imbalances of biomolecules.

• only a small volume of sample is required from patients for detection on the biosensor chip.
• The carbon allotropes can be employed as an electrode and the non-carbon nanomaterials that are used as alternative supporting components of the electrode for improving the electrochemical properties of biosensors.
• We need to include the Square credit card reader dongle, the iBGStar blood glucose meter, and the AliveCor ECG monitor. one of the most desirable and compelling peripheral devices would be a portable molecular sensor for medical diagnosis, augmenting or replacing bulky equipment usually confined to centralized labs. Such a device would enable numerous point-of-care applications allowing individuals to run simple medical tests without visiting a lab or doctor’s office, thereby improving the convenience and speed of medical diagnoses.