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Physicist studying organic chemistry in the atmosphere using mass spectrometry. Urban air pollution, wildfire smoke, oil and gas, indoor air. Professor at the University of Colorado Boulder. Group website at sites.google.com/view/de-gouw-lab
Joost de Gouw









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The Moon, Jupiter and Venus. Beautiful! And humbling.
Spent the day installing our Picarro formaldehyde instrument at the ASCENT site in Denver.
As seen on an old barn in Basalt, Colorado.
I have heard rumors that the European Union is planning to end the TROPOMI measurements onboard the Sentinel-5P satellite, now that Sentinel-5 is in orbit. If you are as concerned about this as I am, please consider sharing this post and/or signing this letter: www.ipetitions.com/petition/tro...
Congratulations to Olivia and the rest of the team. In her paper, Olivia studied the formation of SOA from limonene -one of the most common and reactive VOCs in indoor air- when 222-nm lamps are used for air disinfection. doi.org/10.1021/acsestair.4c00065
A new paper from Madison Rutherford studies SOA formation from the use of germicidal UV in an office. She also found that many VOCs increased in the office when the GUV lamps were on, apparently from surface reactions of ozone or direct irradiation by the lamps. doi.org/10.1021/acsestair.5c00475
I am delighted that Olivia Jenks' paper was chosen as one of the 2024 ACS Environmental Chemistry Division ES&T Air Best Paper Awards! doi.org/10.1021/acsestair.6c00057
Madison Rutherford showing off her latest progress with our Vocus-IMS to a captive audience.
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Congrats to our 2026 Graduate Student Research Award recipients! @colorado.edu 🏙️ Drew Blauth 🏔️ Gillian Gallagher 🧫 Michael Hoffert 🔥 Danyan Leng ☁️ Clara Lietzke 💦 Naman Rastogi 🌆 Guy Symonds Learn more about their research: cires.colorado.edu/recognition/2026-cires-graduate-student-research-awards
Urge the EU to continue the TROPOMI measurements.
Petition TROPOMI's Future
www.ipetitions.com
Since the 1930s, germicidal ultraviolet (GUV) irradiation has been used indoors to prevent the transmission of airborne diseases, such as tuberculosis and measles. Recently, it has received renewed at...
doi.org
Effects of 222 nm Germicidal Ultraviolet Light on Aerosol and VOC Formation from Limonene
The COVID-19 pandemic led to heightened interest in germicidal ultraviolet (GUV) lamps, which can deactivate bacteria and viruses in infectious aerosols. Recently, lamps using 222 nm (GUV222) light to...
doi.org
Measurements and Modeling of GUV222-Driven Increases in SOA Concentrations in an Unoccupied Office
Article subjects are automatically applied from the ACS Subject Taxonomy and describe the scientific concepts and themes of the article.
doi.org
The Inaugural ACS ES&T Air 2024 Best Paper Awards: Recognizing Excellence in Air Chemistry Research
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Joost de Gouw
This is quite extraordinary- scientists set a kind of trap for AI chat bots by inventing a fake disease. AI told people it was real and… the deliberately bogus preprints started being cited in peer reviewed literature 🫣 🧪 #MedSky www.nature.com/articles/d41...
Joost de Gouw
Joost de Gouw
Joost de Gouw
Joost de Gouw
Joost de Gouw
Joost de Gouw
Joost de Gouw
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CIRES
Magdalena Skipper
Scientists invented a fake disease. AI told people it was real
Bixonimania doesn’t exist except in a clutch of obviously bogus academic papers. So why did AI chatbots warn people about this fictional illness?
www.nature.com