Evidence map›Paper›PMID 34591444›Full record

ArticleEnvironmental science & technology2021

Effect of Ozone, Clothing, Temperature, and Humidity on the Total OH Reactivity Emitted from Humans.

Nora Zannoni, Mengze Li, Nijing Wang, Lisa Ernle, Gabriel Bekö, Pawel Wargocki, Sarka Langer, Charles J Weschler, Glenn Morrison, Jonathan Williams

Abstract read
In one paragraph

Article in Environmental science & technology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed.

  1. Hydroxyl radical as an indoor oxidant.Environmental science: atmospheres · 2026
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Nora ZannoniAtmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany.ORCID 0000-0003-2721-5362
Mengze LiAtmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany.ORCID 0000-0003-0620-6301
Nijing WangAtmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany.ORCID 0000-0003-3197-8151
Lisa ErnleAtmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany.
Gabriel BeköInternational Centre for Indoor Environment and Energy, Department of Civil Engineering, Technical University of Denmark, 2800 Lyngby, Denmark.ORCID 0000-0001-6107-8336
Pawel WargockiInternational Centre for Indoor Environment and Energy, Department of Civil Engineering, Technical University of Denmark, 2800 Lyngby, Denmark.
Sarka LangerIVL Swedish Environmental Research Institute, 41133 Göteborg, Sweden.ORCID 0000-0002-6580-8911
Charles J WeschlerInternational Centre for Indoor Environment and Energy, Department of Civil Engineering, Technical University of Denmark, 2800 Lyngby, Denmark.ORCID 0000-0002-9097-5850
Glenn MorrisonDepartment of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7431, United States.ORCID 0000-0001-6876-7185
Jonathan WilliamsAtmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany.ORCID 0000-0001-9421-1703

Funding

Translational Research Support CoreP30ES005022 · NIEHS · UNIV OF MED/DENT NJ-R W JOHNSON MED SCH · PI ROBERT John LAUMBACH · 1988 to 2026
$47.4M
NIEHS NIH HHS P30 ES005022
6 · The paper itself

Abstract

People influence indoor air chemistry through their chemical emissions via breath and skin. Previous studies showed that direct measurement of total OH reactivity of human emissions matched that calculated from parallel measurements of volatile organic compounds (VOCs) from breath, skin, and the whole body. In this study, we determined, with direct measurements from two independent groups of four adult volunteers, the effect of indoor temperature and humidity, clothing coverage (amount of exposed skin), and indoor ozone concentration on the total OH reactivity of gaseous human emissions. The results show that the measured concentrations of VOCs and ammonia adequately account for the measured total OH reactivity. The total OH reactivity of human emissions was primarily affected by ozone reactions with organic skin-oil constituents and increased with exposed skin surface, higher temperature, and higher humidity. Humans emitted a comparable total mixing ratio of VOCs and ammonia at elevated temperature-low humidity and elevated temperature-high humidity, with relatively low diversity in chemical classes. In contrast, the total OH reactivity increased with higher temperature and higher humidity, with a larger diversity in chemical classes compared to the total mixing ratio. Ozone present, carbonyl compounds were the dominant reactive compounds in all of the reported conditions.

Indexed as

Air PollutantsAir Pollution, IndoorOzoneVolatile Organic CompoundsAdultClothingEnvironmental MonitoringHumansHumidityTemperatureAir PollutantsOzoneVolatile Organic Compoundshuman skin emissionsindoor chemistryindoor ozoneozone deposition velocityvolatile organic compounds

Identifiers

PMID34591444
PMCPMC8529706

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.