University of Houston to install nanotech-coated air filters on campus to prevent COVID-19 spread

who's house

UH is investing in a nanotechnology developed on its own campus that can help prevent the spread of COVID-19. Photo courtesy of University of Houston

A nanotechnology developed at the University of Houston is about to make a big difference right on campus.

UH's Facilities/Construction Management Preventive Maintenance team is working on a project that will install air filters that are nanocoated with a material that was first developed at the UH Technology Bridge. UH Professor of Physics Seamus Curran has an extensive background in nanotech, and, as he learned more about COVID-19 and how it spreads, he started nano-coating facemasks to make them more resistant to the small particles that enable the spread of the virus.

Originally developed for the construction business, Curran's coating material could also be used to create hydrophobic facemasks, Curran discovered, and he founded a spin off company, Curran Biotech, to develop his next pandemic-proof innovation: nano-coated air filters.

"The big thing for me when we were shut down was that people couldn't go to work or school. The country can't live that way — but you can't send people back to work in a world that's not safe," Curran said last October in an interview for the Houston Innovators Podcast. "How do you create a safer environment? That's the thing that really got me going in the beginning in the summer. We looked at filters."

Listen to Professor Curran on the Houston Innovators Podcast:

Curran, who says he's learned more about air filters than he ever cared to, realized that even the most expensive air filters can only protect from 10 to 25 percent of viruses. And most buildings' HVAC systems would have to be replaced completely to allow for these pricier, more protective filters. But Curran Biotech's Capture Coating can be used on existing filters and HVAC systems.

Air filters coated with Curran Biotech's sealant were then tested at the New York Family Court Building, by DCAS-Energy Management Division, and now, ahead of the fall semester, UH is implementing the innovation in all buildings that have less than MERV-13 rated filters.

Curran Biotech's sealant can be used on existing air filters and HVAC systems. Photo via UH.edu

University of Houston professor and entrepreneur, Seamus Curran, has pivoted amid the pandemic to use his nanotechnology expertise to help reduce the spread of COVID-19. Photo courtesy of Integricote

Houston scientist taps nanotech in masks and air filters to use to prevent COVID-19 spread

HOUSTON INNOVATORS PODCAST EPISODE 52

For over a decade, Seamus Curran, a physics professor at the University of Houston, has worked on his nanotechnology coating substance. He first thought the innovation could be used on fabrics and textile coating, but he realized, once getting acquainted with the industry, he realized there wasn't an interest for a hydrophobic coating that could be used to prevent the spread of germs — at least, not yet.

"Like anything small startup company, one of the things you have to learn is you have to pivot — or you will die," says Curran, who had created his company Integricote (neé C-Voltaics) to take his innovation to market.

So pivot is what he did. Integricote now markets toward coating and sealing materials within the construction industry — wood, concrete, etc. — to protect from water damage and rotting. As Curran shares on this week's episode of the Houston Innovators Podcast, business was growing steadily. That is until COVID-19 hit.

His construction coating business slowed, much like the rest of business across the country, and classes at UH switched to online. Curran used this newfound time at home to dig deeper into the details of the virus, when an idea hit him.

"I learned the virus traveled in a wet medium," Curran says, "(our coating) is hydrophobic, meaning we can stop it from penetrating any fabrics."

Curran worked to create hydrophobic facemasks using his sealant, and the technology was lauded and covered by various news organizations. He created a new company under Integricote, called Curran Biotech, and he started thinking of the next pandemic-proof innovation he could create using his sealant.

"The big thing for me when we were shut down was that people couldn't go to work or school. The country can't live that way — but you can't send people back to work in a world that's not safe," Curran says. "How do you create a safer environment? That's the thing that really got me going in the beginning in the summer. We looked at filters."

Curran, learning more about air filters than he ever cared to, realized that even the most expensive air filters can only protect from 10 to 25 percent of viruses. And most buildings' HVAC systems would have to be replaced completely to allow for these pricier, more protective filters.

"So, you'd have to replace your equipment and your filter prices go up — and you're still not blocking the virus," Curran says.

Curran Biotech's solution is a spray coating that can be used on air filters to make them more protected from COVID-19 spread.

Curran shared more about his nanotechnology innovation — as well as his excitement for being named one of MassChallenge Texas's finalist within the 2020 Houston cohort — in the episode of the podcast. You can listen to the full interview below — or wherever you stream your podcasts — and subscribe for weekly episodes.


Ad Placement 300x100
Ad Placement 300x600

CultureMap Emails are Awesome

Property Showcase

2 Houston suburbs rank among 10 best cities to retire, says U.S. News

Slowing Down

Houston and nine of its suburbs are earning new acclaim on U.S. News and World Report's just-released list of the best U.S. cities for retirees in 2027. Two northern suburbs, The Woodlands and Spring, are resting easy among the top five nationwide.

The 2027 Best Places to Retire list evaluated over 850 U.S. cities based on six livability metrics that best serve American retirees: quality of life, affordability, health care, retiree taxes, job market, and population and migration. The top 250 finalist cities were then ranked nationally and by city size.

Midland, Michigan topped the list for the second consecutive year and is followed by Homosassa Springs, Florida (No. 2) and Weirton, West Virginia (No. 3).

The Woodlands and Spring respectively maintained their standings as the No. 4 and No. 5 best cities for retirees for the second year in a row. The Woodlands topped the separate list of the best midsized U.S. cities to retire, while Spring landed 5th among the smallest U.S. cities.

Houston proper was declared the No. 2 best big city for retirees, and it ranked 89th overall. Elsewhere in the metro, Pearland (No. 13) and Conroe (No. 14) ranked just outside the overall top 10 but ranked 4th and 5th among the best midsized cities for retirees.

U.S. News said affordability is the "most considered factor" when it comes to picking the best place to live a low-stress retirement life, and that's what Houston and its neighbors deliver. Affordable cities also give retirees "a sense of security and comfort as they live out their golden years," according to Megan Wood, U.S. News assistant managing editor of home services and real estate.

"It’s no secret that affordability is top of mind for Americans this year, which is why U.S. News updated its weighting criteria to better align with what retirees prioritize," Wood said. "The 2027 rankings reflect key metrics used to highlight the places that
best suit retiree needs."

Sugar Land was declared the 10th best place to live in the U.S. in a separate U.S. News report earlier this year, but it doesn't quite meet the expectations for retirees. This particular suburb ranked as the 45th best overall city to retire, but it fared better in the city size ranking and landed 13th among the biggest U.S. cities.

Pasadena also surprised as the 85th best place to retire nationwide in this report, despite being hailed as the No. 3 best city to retire in Texas by RetirementLiving.com.

Three more Houston neighbors ranked among the top 100 overall best places to retire for 2027: League City (No. 25), Missouri City (No. 49), and Baytown (No. 88).

These are the top 10 best U.S. cities to retire for 2027:

  • No. 1 – Midland, Michigan
  • No. 2 – Homosassa Springs, Florida
  • No. 3 – Weirton, West Virginia
  • No. 4 – The Woodlands
  • No. 5 – Spring, Texas
  • No. 6 – Rio Rancho, New Mexico
  • No. 7 – Altoona, Pennsylvania
  • No. 8 – Paducah, Kentucky
  • No. 9 – Lynchburg, Virginia
  • No. 10 – Palm Coast, Florida
---

This article first appeared on CultureMap.com.

Air taxi network to land in 'Texas triangle' of Houston, Austin, DFW next year

taking flight

San Jose, California-based aerospace company Archer Aviation is bringing its air-taxi system to the “Texas triangle” of Houston, Austin and Dallas-Fort Worth.

Currently, the planned zero-emission electric air taxi networks will use Archer’s Midnight air taxi to “turn 60- to 90-minute drives to major airports, business districts and major destinations into 10- to 20-minute flights,” the company said in a news release. Archer plans to begin flights in the Texas triangle next year.

The Midnight air taxi is an all-electric vertical takeoff and landing (eVTOL) aircraft. It can carry four passengers and a pilot and is designed for consecutive flights of about 20 miles.

Archer cites the Texas triangle as one of the busiest and fastest-growing “megaregions” in the country due to its proximity to coastal regions, major airports, and a number of business districts.

Archer Chief Commercial Officer Nikhil Goel described the air taxi experience to CW Houston as “100 times quieter than a helicopter for the price of an Uber Black.” He added that the air taxis are a combination of a helicopter, a small airplane and a drone.

In Houston, Archer’s air taxi network will aim to connect George Bush Intercontinental, William P. Hobby and Sugar Land Regional Airport with downtown destinations, including the Thompson Hotel helipad, and Galveston.

In Austin, it plans to link the city's Austin-Bergstrom International Airport and Austin Executive Airport with the F1 Circuit Helipad at the Circuit of the Americas. Archer debuted its Midnight aircraft at the F1 Prix in the Fan Zone and the F1 Paddock at Austin’s Circuit of the Americas. The Dallas-Fort Worth network is slated to include Dallas-Fort Worth International Airport, Dallas Love Field, Addison Airport, Arlington Municipal Airport, Fort Worth Meacham International Airport and Perot Field Fort Worth Alliance Airport, plus major business hubs like Frisco Station.

“Texas is setting the bar for America’s leadership in the next generation of aviation,” Adam Goldstein, founder and CEO of Archer Aviation, said in the release. “Our planned networks will make the benefits of electric air taxis real for Texans — trading hours in traffic for minutes in the air, while connecting the biggest airports, business districts and sporting hubs in ways that America’s largest megaregion needs to grow.”

Archer is working with state and local partners to develop charging infrastructure and plans to pursue Texas operations through the White House’s eVTOL Integration Pilot Program, according to the release. It recently completed its "No Roads" flight tour, which included multiple flights over the San Francisco Bay, and flew to seven cities over three days.

5 Houston deep tech startups pushing the boundaries of their industries

meet the finalists

Houston has long been at the forefront of innovation, from NASA’s Johnson Space Center to its startup ecosystem using technology to disrupt industries.

As part of the 2026 Houston Innovation Awards, our Deep Tech Business category will honor an innovative startup providing technology solutions based on substantial scientific or engineering challenges, including those in the AI, robotics and space sectors.

Five deep tech companies have been named finalists for the 2026 award.

Read more about these businesses, their founders and their breakthrough technologies below. The 2026 winners will be announced on InnovationMap.com in mid-November.

Casimir

Battery tech startup Casimir develops semiconductor chips that produce continuous electrical power straight from the quantum vacuum, without the need for a battery, cord or external charge source. The company is targeting commercialization for its first-generation MicroSparc chip by 2028.

Harold “Sonny” White founded Casimir in 2023 after nearly two decades at NASA. The company emerged from stealth with a $12 million seed round in 2026. It was also awarded an STTR Phase I contract from the U.S. Space Force's SpaceWERX to support the development of the company's solid-state generator for potential use by the Department of the Air Force earlier this year.

FocisAI

Artificial intelligence startup FocisAI helps refinery owner-operators unlock actionable insights from 3D scans and images.

FocisAI was founded by CEO Tyler Wooten, COO Colin Snell and CTO Kyle Snell in 2026. It is a member of Greentown Labs and launched a seed round in September, which is expected to close by the end of the year, according to the company's application. It has rolled out 10 pilot programs and is looking to move into recurring, facility-scale deployments and scale its team in Houston this year.

Machine Saver Inc.

Industrial tech startup Machine Saver Inc. builds wireless and wired vibration and proximity sensors to tell heavy industry when a machine is about to fail. The company's technology runs on an 8-plus-year battery life and helps operators reduce downtime, improve maintenance and extend equipment life.

Machine Saver was founded by CEO Colton Bach and Quentin Bach in 2013. Its customers and partners include Houston Methodist, Blue Bell, Genemco, as well as energy and heavy industry, food and beverage, and cold chain companies, according to its application. The company is raising a Series A.

Square Robot

Energytech startup Square Robot develops and operates submersible inspection robotics that inspect aboveground storage tanks while they remain in service. The robots reduce downtime and costs, improve worker safety and limit hydrocarbon emissions.

Square Robot launched its Houston office in 2019 and closed a Series B in 2025. It plans to complete its first U.S. Navy demonstrator tank in November and is also developing real-time inspection software.

Venus Aerospace

Spacetech company Venus Aerospace is developing a high-thrust rotating detonation rocket engine (RDRE) that replaces the subsonic combustion used in conventional rocket engines. The RDRE is a compact, simpler engine that can deliver up to 15 percent greater efficiency for defense and space applications. It completed its first U.S. flight test of the engine last summer.

Venus Aerospace was founded in 2020 by CEO Cassie Duggleby and CTO Andrew Duggleby. It raised a $20 million Series A in 2022 and $42 million Series A2 in 2025. It closed a $91 million Series B earlier this year and expanded its leadership team. The company is working toward longer-duration and higher-thrust testing and advancing its flight program.

View All Listings