Handmade paper sensor that can detect vitamin D deficiency
Team Udayavani, Aug 25, 2021, 9:51 AM IST
Source: Reuters
A unique handmade paper sensor that can measure Vitamin-D deficiency with high accuracy has been developed by the KL Deemed-to-be University.
Developed by the team of Pradeep Kumar Brahman from the Department of Chemistry along with Tummala Anusha, a research scholar on the institute’s Andhra Pradesh campus, the sensor is for quick and reliable monitoring of Vitamin-D. This technology can lead to smaller clinics, dispensaries in remote areas, medical facilities in geographically inaccessible locations, and smaller facilities to measure Vitamin-D deficiencies without any bulky equipment or labs. The work was recently published in the microchemical journal, Elsevier.
The cost of this paper sensor will come to approximately Rs 40 to 50, whereas the cost of commercially available tests for Vitamin-D in hospitals and labs is around Rs 1,500 to Rs 2,000.
The team at the university has tested the proof-of-concept with several real-life samples and concluded that the accuracy of this sensor is at over 94 percent which is at par with the existing commercially available tests. The sensor produces results and generates the reports within 30 minutes, saving crucial time for diagnoses.
The sensor has been developed by designing a paper electrode in a specific dimension and printing the patterned electrode on an A4 photocopy paper with a specially designed ink – Conductive Ink – that includes cobalt-silver doped copolymer-ionic liquid and acts as a sensor to detect Vitamin-D deficiency.
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