New Sensor Detects Vitamin D Deficiency in Minutes

Offering a faster and easier alternative to traditional lab tests, this small, highly sensitive device uses specially treated materials called MXene nanosheets, which are coated with antibodies that recognize vitamin D. It’s designed to work on the spot – whether in a clinic or potentially even at home – thus making it easier to diagnose and monitor vitamin D deficiency. Estimates suggest that around 1 billion people worldwide are clinically deficient in this key nutrient, with up to 50 percent of the global population having insufficient levels.

The sensor performed well in tests, detecting a wide range of vitamin D levels, including very low amounts that indicate deficiency. It was accurate, consistent, and able to distinguish vitamin D from other substances in the blood. The researchers therefore believe the device has the potential to make vitamin D testing more accessible, especially in areas without easy access to proper laboratories.

To read about a recently developed portable wireless device that can simultaneously detect SARS-CoV-2, the virus that causes COVID-19, and vitamin C, a critical nutrient that helps bolster infection resistance, see this news story on our website.