The availability of rapid, accessible testing was integral to overcoming the worst surges of the COVID-19 pandemic, and will be necessary to keep up with emerging variants. However, these tests come with unfortunate costs.
Polymerase chain reaction tests, the"gold standard" for diagnostic testing, are hampered by waste. They require significant time as well as specialized equipment and labor, all of which increase costs.
In addition, most PCR tests end up in landfills, resulting in material waste and secondary contamination. An analysis by the World Health Organization estimated that, as of February 2022,"over 140 million test kits, with a potential to generate 2,600 tons of non-infectious waste and 731,000 liters of chemical waste have been shipped."
The de la Fuente lab has been working on creative ways to create faster and cheaper testing for COVID-19 since the outbreak of the pandemic. Utilizing his lab's focus on machine biology and the treatment of infectious disease, they created RAPID, an aptly named test that generates results in minutes with a high degree of accuracy. An even more cost-effective version, called LEAD, was created using electrodes made from graphite.
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