zapping covid-19

University of Houston designs device that instantly zaps COVID-19

University of Houston central campus exterior Ezekiel Cullen building

UH has found a way to instantly zap COVID-10.

Photo courtesy of University of Houston

While the world rushes to find a COVID-19 vaccine, scientists from the University of Houston have found a way to trap and kill the virus — instantly.

The team has designed a “catch and kill” air filter that can nullify the virus responsible for COVID-19. Researchers reported that tests at the Galveston National Laboratory found 99.8 percent of the novel SARS-CoV-2 — which causes COVID-19 — was killed in a single pass through the filter.

Zhifeng Ren, director of the Texas Center for Superconductivity at UH, collaborated with Monzer Hourani, CEO of Medistar, a Houston-based medical real estate development firm, plus other researchers to design the filter, which is described in a paper published in Materials Today Physics.

Researchers were aware the virus can remain in the air for about three hours, which required a filter that could quickly remove it. The added pressure of businesses reopening created an urgency in controlling the spread of the virus in air conditioned spaces, according to UH.

Meanwhile, to scorch the virus — which can’t survive above around 158 degrees Fahrenheit — researchers instilled a heated filter. By blasting the temperature to around 392 F, they were able to kill the virus almost instantly.

The filter also killed 99.9 percent of the anthrax spores, according to researchers.

A prototype was built by a local workshop and first tested at Ren’s lab for the relationship between voltage/current and temperature; it then went to the Galveston lab to be tested for its ability to kill the virus. Ren says it satisfies the requirements for conventional heating, ventilation and air conditioning (HVAC) systems.

“This filter could be useful in airports and in airplanes, in office buildings, schools and cruise ships to stop the spread of COVID-19,” said Ren, MD Anderson Chair Professor of Physics at UH and co-corresponding author for the paper, in a statement. “Its ability to help control the spread of the virus could be very useful for society.”

Medistar executives are also proposing a desk-top model, capable of purifying the air in an office worker’s immediate surroundings, Ren added.

Developers have called for a phased roll-out of the device, with a priority on “high-priority venues, where essential workers are at elevated risk of exposure — particularly schools, hospitals and health care facilities, as well as public transit environs such as airplanes.”

The hope, developers add, is that the filter will protect frontline workers in essential industries and allow nonessential workers to return to public work spaces.

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New money

Texas Stock Exchange rings opening bell on 'Y'all Street'

Photo by Oren Elbaz on Unsplash

TXSE was the first national securities exchange to receive SEC approval in decades.

Two-step aside, New York Stock Exchange and Nasdaq. The Texas Stock Exchange, nicknamed Y’all Street, just kicked off live trading with five stocks for now — and with lots of Lone Star ambition.

“The Texas Stock Exchange aims to revitalize competition for [stock] issuers, establish the premier venue for listings, and create a world-class trading platform for all market participants,” the exchange says in a fact sheet.

The exchange — whose Texas-influenced nickname is a nod to New York City’s Wall Street — has collected at least $275 million in investments. The roughly 90 financial backers of TXSE include Bank of America, BlackRock, Charles Schwab, Citadel Securities, Dell Family Office, Fortress, Goldman Sachs, and JPMorgan Chase.

Representatives of TXSE couldn’t be reached for comment. On its website, the exchange calls itself “the most well-capitalized equities exchange to ever be approved” by the U.S. Securities and Exchange Commission (SEC).

Not to be outdone, NYSE has launched NYSE Texas, and Nasdaq has expanded its own Texas presence.

“A homegrown national exchange means more jobs, more investment, and more growth opportunities for businesses and communities across the Lone Star State,” Gabriela von zur Muehlen, senior vice president and chief policy officer at the Texas Association of Business, told The Texas Tribune.

Bulent Temel, an associate professor of practice in economics at the University of Texas at San Antonio, told Texas Standard that TXSE "is going to boost the credibility of the Texas economy" — a statewide credibility bump that extends well beyond whichever city houses the trading floor.

Driven in large part by North Texas' financial services sector — home to major players like Charles Schwab, Goldman Sachs, Fidelity, JPMorgan Chase, and Wells Fargo — the exchange adds fuel to Texas' broader case as the Financial Capital of America, as declared by Gov. Greg Abbott.

Texas’ estimated gross domestic product (GDP), a yardstick for the size of an economy, climbed to a record-setting $2.9 trillion in 2025, making it the state with the second-highest GDP after California. DFW’s estimated GDP in 2023 stood at $744.6 billion, eclipsing the GDP of many countries.

“The center of gravity for American capitalism is now headquartered in the Boom Belt,” Abbott proclaimed in April, referring to an 11-state region (including Texas) in the South and Southeast that’s seeing tremendous economic and population growth. “The Texas Stock Exchange is the natural extension of that capitalism. It ensures that capital markets will reflect the quadrant that is driving American growth.”

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