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Karoline K. (Johnson) Barkjohn
Karoline K. (Johnson) Barkjohn
U.S. Environmental Protection Agency
Dirección de correo verificada de duke.edu
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Field evaluation of low-cost particulate matter sensors in high-and low-concentration environments
T Zheng, MH Bergin, KK Johnson, SN Tripathi, S Shirodkar, MS Landis, ...
Atmospheric Measurement Techniques 11 (8), 4823-4846, 2018
3112018
Development and application of a United States wide correction for PM2. 5 data collected with the PurpleAir sensor
KK Barkjohn, B Gantt, AL Clements
Atmos. Meas. Tech. Discuss. https://doi. org/10.5194/amt-2020-413, 2020
1732020
Field test of several low-cost particulate matter sensors in high and low concentration urban environments
KK Johnson, MH Bergin, AG Russell, GSW Hagler
Aerosol and Air Quality Research 18 (3), 565-578, 2018
123*2018
Toxic volatile organic compounds in 20 homes in Shanghai: Concentrations, inhalation health risks, and the impacts of household air cleaning
L Fang, C Norris, K Johnson, X Cui, J Sun, Y Teng, E Tian, W Xu, Z Li, ...
Building and Environment 157, 309-318, 2019
742019
Association Between Bedroom Particulate Matter Filtration and Changes in Airway Pathophysiology in Children With Asthma
X Cui, Z Li, Y Teng, KK Barkjohn, CL Norris, L Fang, GN Daniel, L He, ...
JAMA pediatrics 174 (6), 533-542, 2020
642020
The influence of air cleaners on indoor particulate matter components and oxidative potential in residential households in Beijing
Y Zhan, K Johnson, C Norris, MM Shafer, MH Bergin, Y Zhang, J Zhang, ...
Science of The Total Environment 626, 507-518, 2018
592018
Using low-cost sensors to quantify the effects of air filtration on indoor and personal exposure relevant PM2. 5 concentrations in Beijing, China
KK Barkjohn, MH Bergin, C Norris, JJ Schauer, Y Zhang, M Black, M Hu, ...
Aerosol and Air Quality Research 20 (2), 297-313, 2020
582020
Using low cost sensors to measure ambient particulate matter concentrations and on-road emissions factors
KK Johnson, MH Bergin, AG Russell, GSW Hagler
Atmospheric Measurement Techniques Discussions 2016, 1-22, 2016
562016
The impact of household air cleaners on the oxidative potential of PM2. 5 and the role of metals and sources associated with indoor and outdoor exposure
C Brehmer, C Norris, KK Barkjohn, MH Bergin, J Zhang, X Cui, Y Teng, ...
Environmental research 181, 108919, 2020
452020
Real‐time measurements of PM2.5 and ozone to assess the effectiveness of residential indoor air filtration in Shanghai homes
KK Barkjohn, C Norris, X Cui, L Fang, T Zheng, JJ Schauer, Z Li, Y Zhang, ...
Indoor air 31 (1), 74-87, 2021
432021
The impact of household air cleaners on the chemical composition and children's exposure to PM2. 5 metal sources in suburban Shanghai
C Brehmer, C Norris, KK Barkjohn, MH Bergin, J Zhang, X Cui, Y Zhang, ...
Environmental Pollution 253, 190-198, 2019
402019
Sources of volatile organic compounds in suburban homes in Shanghai, China, and the impact of air filtration on compound concentrations
C Norris, L Fang, KK Barkjohn, D Carlson, Y Zhang, J Mo, Z Li, J Zhang, ...
Chemosphere 231, 256-268, 2019
402019
Performance Testing Protocols, Metrics, and Target Values for Fine Particulate Matter Air Sensors: Use in Ambient, Outdoor, Fixed Sites, Non-Regulatory Supplemental and …
R Duvall, A Clements, G Hagler, A Kamal, V Kilaru, L Goodman, ...
US EPA Office of Research and Development, 2021
382021
Associations of personal exposure to air pollutants with airway mechanics in children with asthma
L He, Z Li, Y Teng, X Cui, KK Barkjohn, C Norris, L Fang, L Lin, Q Wang, ...
Environment International 138, 105647, 2020
372020
Personal Exposure to PM2.5 Oxidative Potential in Association with Pulmonary Pathophysiologic Outcomes in Children with Asthma
L He, C Norris, X Cui, Z Li, KK Barkjohn, C Brehmer, Y Teng, L Fang, L Lin, ...
Environmental Science & Technology 55 (5), 3101-3111, 2021
342021
Using low-cost sensors to monitor indoor, outdoor, and personal ozone concentrations in Beijing, China
MHMHB Meichen Liu, Karoline Kay Johnson Barkjohn, Christina Norris, James ...
Environmental Science: Processes & Impacts, 2020
302020
Malondialdehyde in nasal fluid: a biomarker for monitoring asthma control in relation to air pollution exposure
L He, X Cui, Z Li, Y Teng, KK Barkjohn, C Norris, L Fang, L Lin, Q Wang, ...
Environmental Science & Technology 54 (18), 11405-11413, 2020
282020
Creating clean air spaces during wildland fire smoke episodes: Web summit summary
G Davison, KK Barkjohn, GSW Hagler, AL Holder, S Coefield, C Noonan, ...
Frontiers in Public Health 9, 508971, 2021
202021
Children’s microenvironmental exposure to PM 2.5 and ozone and the impact of indoor air filtration
KK Barkjohn, C Norris, X Cui, L Fang, L He, JJ Schauer, Y Zhang, M Black, ...
Journal of Exposure Science & Environmental Epidemiology 30 (6), 971-980, 2020
202020
Correction and Accuracy of PurpleAir PM2. 5 Measurements for Extreme Wildfire Smoke
KK Barkjohn, AL Holder, SG Frederick, AL Clements
Sensors 22 (24), 9669, 2022
192022
El sistema no puede realizar la operación en estos momentos. Inténtalo de nuevo más tarde.
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