This affordable and rapid testing device has the potential to transform how public health strategies are implemented during future pandemics.
The entire process, from sample collection to results, took under 90 minutes—significantly faster than the roughly four hours needed for a PCR test.Scientists at Cranfield University have created a groundbreaking technique for detecting biomarkers in wastewater using origami-paper sensors. These sensors can be analyzed with just a mobile phone camera.
“This method is evidence-based, simple and cheap, without the need to take samples from individual people. Testing one sample will cover many people’s information in the population, it will make people better understand infectious disease and probably improve the ways to prevent it,” Zhugen Yang, the lead author of the paper, toldZhugen Yang, Professor of Biosensing and Environmental Health at Cranfield University, spearheaded the development of these sentinel sensors.
Wastewater samples are applied to wax-printed paper folded in an origami style. The paper is embedded with chemicals that react with specific disease markers, producing a fluorescent signal. This signal can be detected and recorded using a mobile phone camera, allowing for rapid data collection and analysis.
The entire process, from sample collection to results, took under 90 minutes—significantly faster than the roughly four hours needed for a PCR test. The results were found to be at least as accurate as PCR tests but at a fraction of the cost, offering an efficient way to provide early warnings of disease spread within communities.and the flu, Yang says, “Yes, absolutely. We have also tested other pathogens, such as malaria, tuberculosis, brucella, E.coli, and salmonella.
Disease Control Disease Testing Pandemic Pandemic Preparedness Wastewater
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