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WHY THIS MATTERS IN BRIEF

If you’d like to know if there are any pathogens in the air around you then this is the tech for you.

 

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A little while ago researchers at MIT unveiled a new bio-optical sensor that when put into a standard face mask would make it glow if it came into contact with the COVID-19 virus in the air – which, let’s face it, would be damn handy right now. And now researchers at Rice University have received funding for up to $1 million to develop a similar real-time sensor system able to detect minute amounts of the airborne virus that causes COVID-19 infection.

 

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The researchers at Rice will team with William Lawrence, a microbiologist at the University of Texas Medical Branch (UTMB) at Galveston to develop a thin film electronic device that senses as few as eight SARS-CoV-2 viruses in 10 minutes of sampling air flowing at 8 liters per minute.

The project, which is titled Real-Time Amperometric Platform Using Molecular Imprinting for Selective Detection of SARS-CoV-2 (RAPID) has been funded by the Defense Advanced Research Projects Agency (DARPA). The second half of funding is contingent upon a successful demonstration of the technology.

“We had started working last summer on the idea of trying to detect SARS-Cov-2,” said Verduzco, a professor of chemical and biomolecular engineering and of materials science and nanoengineering and principal investigator on the project. “Pedro initiated the idea because he had some films that incorporate molecularly imprinted polymers that he thought could very selectively respond to anything.

 

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“He thought we could modify it to emit an electronic signal when a virus binds to the film,” Verduzco said. “Jane got involved because we want a biologist to help build these recognition layers. We saw the opportunity to pursue this with DARPA, because they have a very challenging but specific metric for sensing a very low concentration of SARS in air within 10 minutes.”

Alvarez and Tao previously introduced a filter that could “Trap and Zap” SARS-CoV-2 in wastewater at treatment plants, a technology that was itself adapted from their method to kill bacterial “superbugs” and degrade their antibiotic resistance genes.

“Molecular imprinting cavities where specific molecules or particles fit snugly can enhance the capacity of surfaces to selectively adsorb and concentrate viruses, which in turn facilitates their disinfection, in the trap-and-zap project, or detection, in this RAPID project,” Alvarez said.

 

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“Thus, we were able to leverage previous work on molecular imprinting,” he said. “Jane suggested a significant improvement related to anchoring specific biorecognition factors to further enhance the selectivity of the surface to attach and concentrate SARS-CoV-2.”

The researchers’ proposal describes a bioaerosol sampler that would concentrate airborne SARS-CoV-2 into a liquid electrolyte medium, bind it onto virus-imprinted polymers functionalized with SARS-CoV-2 attachment factors that enhance selectivity and use organic electrochemical transistors to rapidly transduce SARS-CoV-2 binding events into electronic signals.

The proposed device would be sized for analysis of a 50-cubic-meter office, a 300-cubic-meter classroom or central building monitoring. They expect the filtration system to be not only rapidly adaptable for other pathogens but also able to non-destructively capture viruses in a way that retains them for further analysis.

 

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Lawrence’s lab works with the UTMB Galveston National Laboratory, which is part of the National Institute of Allergy and Infectious Diseases biodefense network. He is also director of the Aerobiology Services Division at the lab and has expertise with aerosolization and testing of SARS-CoV-2.

Verduzco said the Rice team will spend the first nine months fabricating the device and testing it on inactivated SARS-CoV-2. “If we are successful, the next nine months will focus on testing with live SARS-CoV-2 at UTMB, and also optimizing the device to meet project metrics,” he said.

Source: Rice University

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Matthew Griffin

Matthew Griffin, described as “The Adviser behind the Advisers” and a “Young Kurzweil,” is the founder and CEO of the World Futures Forum and the 311 Institute, a global Futures and Deep Futures consultancy working between the dates of 2020 to 2070, and is an award winning futurist, and author of “Codex of the Future” series. Regularly featured in the global media, including AP, BBC, Bloomberg, CNBC, Discovery, RT, Viacom, and WIRED, Matthew’s ability to identify, track, and explain the impacts of hundreds of revolutionary emerging technologies on global culture, industry and society, is unparalleled. Recognised for the past six years as one of the world’s foremost futurists, innovation and strategy experts Matthew is an international speaker who helps governments, investors, multi-nationals and regulators around the world envision, build and lead an inclusive, sustainable future. A rare talent Matthew’s recent work includes mentoring Lunar XPrize teams, re-envisioning global education and training with the G20, and helping the world’s largest organisations envision and ideate the future of their products and services, industries, and countries. Matthew's clients include three Prime Ministers and several governments, including the G7, Accenture, Aon, Bain & Co, BCG, Credit Suisse, Dell EMC, Dentons, Deloitte, E&Y, GEMS, Huawei, JPMorgan Chase, KPMG, Lego, McKinsey, PWC, Qualcomm, SAP, Samsung, Sopra Steria, T-Mobile, and many more.

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