Students from Mark Hernandez’s group install an air quality monitor in a classroom.

Mark Hernandez: Indoor air monitoring goes to school

Sept. 11, 2024

Mark Hernandez is being interviewed by a news reporter in a laboratory. Hernandez, dressed in a gray shirt, looks to the reporter, who is gesturing with her hands. Behind them are various lab equipment, including gas cylinders and a rack with glassware. The background shows lab machinery and safety signs.

9News: Researchers at CU Â鶹¹ÙÍø test classroom air purification devices

Aug. 23, 2024

Mark Henandez on the American Lung Association Podcast

Why Good Indoor Air Quality Matters — American Lung Association Podcast

Dec. 5, 2023

In this episode of the American Lung Association Podcast, Professor Mark Hernandez speaks about the harmful impact of pollutants such as mold, toxic chemicals and asbestos on respiratory health, particularly in a school setting.

Mark Hernandez in his lab

Can air purifiers help keep kids in school? New study seeks to find out.

Sept. 27, 2023

Mark Hernandez, SJ Archuleta Professor in the Department of Civil, Environmental, and Architectural Engineering, is co-leading a $2.2 million CDC-funded project with researchers at CU Anschutz to investigate the impact of classroom air purifiers on reducing student absenteeism.

Mark Hernandez

Mark HernandezÌýsecuresÌý$1.5M in new awardsÌýfrom DEVCOM and CDC

Sept. 21, 2023

Professor Mark Hernandez received $1.5 million in new awards from the U.S. Army Combat Capabilities Development Command (DEVCOM) and the Centers for Disease Control and Prevention (CDC) to study electromagnetic field impacts on bacteria and air quality-related respiratory disease outcomes in K-12 classrooms.

Professor Mark Hernandez and doctoral graduate Marina Nieto-Caballero stand inside a bioaerosol chamber in the Environmental Engineering disinfection laboratory at the Sustainability, Energy and Environment Complex (SEEC)

Tend to get sick when the air is dry? New research helps explain why

Feb. 23, 2023

Mark Hernandez, S. J. Archuleta Professor of Civil and Environmental Engineering and senior author of recent research published in PNAS-Nexus, found that airborne particles carrying a mammalian coronavirus closely related to the virus which causes COVID-19 remain infectious for twice as long in drier air.

Professor Mark Hernandez and doctoral graduate Marina Nieto-Caballero stand inside the 10-cubic-meters bioaerosol chamber used to study live airborne coronavirus persistence in the Environmental Engineering disinfection laboratory at the Sustainability, Energy and Environment Complex (SEEC). Photo by Patrick Campbell/University of Colorado.

Unique bioaerosol lab, dedicated students, made COVID research possible

Feb. 23, 2023

Professor Mark Hernandez, S. J. Archuleta Professor of Civil and Environmental Engineering, also directs CU Â鶹¹ÙÍø's Environmental Engineering Microbiology and Disinfection Lab, an experimental space used to study infectious airborne particles and realistically mimics indoor environments. In a recent study published in PNAS-Nexus, the team studied murine hepatitis virus (MHV), a coronavirus that cannot infect humans but is closely related to SARS-CoV-2.

CU Â鶹¹ÙÍø alumna Halle Sago, left, and undergraduate student Ricardo Reyes, right, visit High Peaks Elementary School in Â鶹¹ÙÍø, Colorado, to monitor air quality.

Air quality research in Denver schools highlighted by multiple media outlets

July 22, 2022

Mark Hernandez's research to study air quality and COVID-19 in Denver Public Schools is being covered by numerous Front Range journalists. Denver Public Schools is spending $1.5 million to track air quality in classrooms with new monitors installed by Hernandez and his students. Hernandez, a professor in the Department of...

Two students walking in a school hallway.

Clearing the Air on COVID-19: Duo Campus Project Aimed at Keeping Schools Open

April 20, 2022

ColoradoSPH, CU Â鶹¹ÙÍø combine NASA-inspired technology and innovative masks to monitor viruses in classroom The classrooms of Barnum Elementary School in Denver echo with the chatter of students and the instruction of teachers. The white, waist-high, curved machine in the corner is quiet as can be. The machine, which looks...

Mark Hernandez

COVID-19 has spurred investments in air filtration for K-12 schools – but these technologies aren’t an instant fix

Aug. 24, 2021

The COVID-19 pandemic has brought increased attention to indoor air quality and the effect that ventilation has on reducing disease transmission in indoor spaces. A recent infrastructure survey reported that of the nearly 100,000 operating public school buildings across the U.S., more than a third have an immediate need for...

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