Matthew Stanley Johnson

Search results

• 2024

  A high efficiency gas phase photoreactor for eradication of methane from low-concentration sources

  Krogsbøll, M., Russell, H. S. & Johnson, M. S., 2024, In: Environmental Research Letters. 19, 1, 7 p., 014017.

  Research output: Contribution to journal › Letter › Research › peer-review

  Open Access

  File
  4 Citations (Scopus)

  26 Downloads (Pure)

• Evaluating the potential of iron-based interventions in methane reduction and climate mitigation

  Meidan, D., Li, Q., Cuevas, C. A., Doney, S. C., Fernandez, R. P., van Herpen, M. M. J. W., Johnson, M. S., Kinnison, D. E., Li, L., Hamilton, D. S., Saiz-Lopez, A., Hess, P. & Mahowald, N. M., 2024, In: Environmental Research Letters. 19, 5, 13 p., 054023.

  Research output: Contribution to journal › Letter › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  4 Downloads (Pure)

• Feltkampagner til bestemmelse af naturlig klordannelse fra jernsalt-aerosoler

  Pennacchio, L., Mikkelsen, M. K., Brashear, C. A. & Johnson, M. S., 2024, In: Dansk Kemi. 105, 2, p. 6-8 3 p.

  Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

• Fotokatalytisk klordannelse fra jernklorid-aerosoler kan oxidere metan

  Mikkelsen, M. K., Pennacchio, L., Johnson, M. S. & Mikkelsen, M. K., 2024, In: Dansk Kemi. 105, 2, p. 9-11 3 p.

  Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

  Open Access

• Hyperlocal Air Pollution in London: Validating Low-Cost Sensors for Mobile Measurements from Vehicles

  Russell, H. S., Frederickson, L. B., Sørensen, M. O. B., Schmidt, J. A., Hertel, O. & Johnson, M. S., 2024, In: ACS ES&T Air. 1, 6, p. 438-450 13 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Innovative and Practical Trends in the Photocatalytic Degradation of Environmental Pollutants

  Ateia, M., Johnson, M. S. & Czech, B., 2024, In: Catalysts. 14, 2, 3 p., 125.

  Research output: Contribution to journal › Editorial › Research › peer-review

  Open Access

  File
  6 Downloads (Pure)

• Metanrenser til fjernelse af lavkoncentrationsmetan

  Krogsbøll, M., Russell, H. S. & Johnson, M. S., 2024, In: Dansk Kemi. p. 27-28 1 p.

  Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

  Open Access

• Opinion: A research roadmap for exploring atmospheric methane removal via iron salt aerosol

  Gorham, K. A., Abernethy, S., Jones, T. R., Hess, P., Mahowald, N. M., Meidan, D., Johnson, M. S., Van Herpen, M. M. J. W., Xu, Y., Saiz-lopez, A., Röckmann, T., Brashear, C. A., Reinhardt, E. & Mann, D., 2024, In: Atmospheric Chemistry and Physics. 24, 9, p. 5659-5670 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Downloads (Pure)

• Photocatalytic chloride-to-chlorine conversion by ionic iron in aqueous aerosols: a combined experimental, quantum chemical, and chemical equilibrium model study

  Mikkelsen, M. K., Liisberg, J. B., Van Herpen, M. M. J. W., Mikkelsen, K. V. & Johnson, M. S., 2024, In: Aerosol Research. 2, 1, p. 31-47 17 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  3 Downloads (Pure)

• Physical and practical constraints on atmospheric methane removal technologies

  Pennacchio, L., Mikkelsen, M. K., Krogsbøll, M., van Herpen, M. & Johnson, M. S., 2024, In: Environmental Research Letters. 19, 10, 7 p., 104058.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

• RPCA-based techniques for pattern extraction, hotspot identification and signal correction using data from a dense network of low-cost NO₂ sensors in London

  Bogaert, M., Mouritzen, C., Johnson, M. S. & van Reeuwijk, M., 2024, In: Science of the Total Environment. 925, 11 p., 171522.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  4 Downloads (Pure)

• Synthesis of¹³C-depleted organic matter from CO in a reducing early Martian atmosphere

  Ueno, Y., Schmidt, J. A., Johnson, M. S., Zang, X., Gilbert, A., Kurokawa, H., Usui, T. & Aoki, S., 2024, In: Nature Geoscience. 17, 6, p. 503-507 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Citations (Scopus)

  2 Downloads (Pure)

• The use of δ¹³C in CO to determine removal of CH₄ by Cl radicals in the atmosphere

  Röckmann, T., van Herpen, M., Brashear, C., van der Veen, C., Gromov, S., Li, Q., Saiz-Lopez, A., Meidan, D., Barreto, A., Prats, N., Mármol, I., Ramos, R., Baños, I., Arrieta, J. M., Zaehnle, S., Jordan, A., Moossen, H., Timas, H., Young, D., Sperlich, P. & 2 others, Moss, R. & Johnson, M. S., 2024, In: Environmental Research Letters. 19, 6, 9 p., 064054.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Downloads (Pure)

• Urban vertical air pollution gradient and dynamics investigated with low-cost sensors and large-eddy simulations

  Frederickson, L. B., Russell, H. S., Raasch, S., Zhang, Z., Schmidt, J. A., Johnson, M. S. & Hertel, O., 2024, In: Atmospheric Environment. 316, 25 p., 120162.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Citations (Scopus)

  7 Downloads (Pure)
• 2023

  Airborne environmental DNA captures terrestrial vertebrate diversity in nature

  Lynggaard, C., Frøslev, T. G., Johnson, M. S., Olsen, M. T. & Bohmann, K., 2023, In: Molecular Ecology Resources. 24, 1, 20 p., e13840.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  6 Citations (Scopus)

• Global environmental implications of atmospheric methane removal through chlorine-mediated chemistry-climate interactions

  Li, Q., Meidan, D., Hess, P., Añel, J. A., Cuevas, C. A., Doney, S., Fernandez, R. P., van Herpen, M., Höglund-Isaksson, L., Johnson, M. S., Kinnison, D. E., Lamarque, J. F., Röckmann, T., Mahowald, N. M. & Saiz-Lopez, A., 2023, In: Nature Communications. 14, 1, 10 p., 4045.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  11 Citations (Scopus)

  10 Downloads (Pure)

• Hyperlocal air pollution in an urban environment - measured with low-cost sensors

  Frederickson, L. B., Russell, H. S., Fessa, D., Khan, J., Schmidt, J. A., Johnson, M. S. & Hertel, O., Nov 2023, In: Urban Climate. 52, 15 p., 101684.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  7 Citations (Scopus)

  19 Downloads (Pure)

• Laboratory Comparison of Low-Cost Particulate Matter Sensors to Measure Transient Events of Pollution—Part B—Particle Number Concentrations

  Bulot, F. M. J., Russell, H. S., Rezaei, M., Johnson, M. S., Ossont, S. J., Morris, A. K. R., Basford, P. J., Easton, N. H. C., Mitchell, H. L., Foster, G. L., Loxham, M. & Cox, S. J., Sep 2023, In: Sensors. 23, 17, 29 p., 7657.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  15 Downloads (Pure)

• Low-cost sensorer og mobile målinger til luftkvalitetsovervågning

  Frederickson, L. B., Russell, H. S., Johnson, M. S. & Hertel, O., 2023, In: Dansk Kemi. 104, 6, p. 8-10 3 p.

  Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

  Open Access

• Particulate air pollution in the Copenhagen metro part 1: Mass concentrations and ventilation

  Kappelt, N., Russell, H. S., Fessa, D., Van Ryswyk, K., Hertel, O. & Johnson, M. S., 2023, In: Environment International. 171, 10 p., 107621.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  14 Citations (Scopus)

  44 Downloads (Pure)

• Photocatalytic chlorine atom production on mineral dust–sea spray aerosols over the North Atlantic

  van Herpen, M. M. J. W., Li, Q., Saiz-Lopez, A., Liisberg, J. B., Röckmann, T., Cuevas, C. A., Fernandez, R. P., Mak, J. E., Mahowald, N. M., Hess, P., Meidan, D., Stuut, J. B. W. & Johnson, M. S., 1 Aug 2023, In: Proceedings of the National Academy of Sciences of the United States of America. 120, 31, 8 p., e2303974120.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  16 Citations (Scopus)

  12 Downloads (Pure)

• Smog i stuen med hovedvej på 2. sal

  Hildebrand, F. B., Frederickson, L. B., Poulsen, J-C. N. & Johnson, M. S., 2023, In: Dansk Kemi. 104, 6, p. 12-15 4 p.

  Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

• Surfactant-Free Colloidal Syntheses of Gold-Based Nanomaterials in Alkaline Water and Mono-alcohol Mixtures

  Quinson, J., Aalling-Frederiksen, O., Dacayan, W. L., Bjerregaard, J. D., Jensen, K. D., Jørgensen, M. R. V., Kantor, I., Sørensen, D. R., Theil Kuhn, L., Johnson, M. S., Escudero-Escribano, M., Simonsen, S. B. & Jensen, K. M. Ø., 2023, In: Chemistry of Materials. 35, 5, p. 2173−2190 18 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  16 Citations (Scopus)

  16 Downloads (Pure)

• Systems and methods for waste gas treatment

  Mansouri, S. S., Andersson, M., Johnson, M. S., Hansen, P. R., Beenfeldt, C. & Shahriari, K., 2023, IPC No. B01D 53/56 (2006.01), B01D 53/00 (2006.01), B01D 53/70 (2006.01), B01D 53/75 (2006.01), B01D 53/78 (2006.01), Patent No. WO 2023/198818, 13 Apr 2023, Priority date 13 Apr 2022, Priority No. 22168123.2

  Research output: Patent

  Open Access

  File
  11 Downloads (Pure)
• 2022

  Airborne environmental DNA captures terrestrial vertebrate diversity in nature

  Lynggaard, C., Frøslev, T. G., Johnson, M. S., Olsen, M. T. & Bohmann, K., 2022, bioRxiv, 30 p.

  Research output: Working paper › Preprint › Research

  Open Access

  File
  37 Downloads (Pure)

• Airborne environmental DNA for terrestrial vertebrate community monitoring

  Lynggaard, C., Bertelsen, M. F., Jensen, C. V., Johnson, M. S., Frøslev, T. G., Olsen, M. T. & Bohmann, K., 2022, In: Current Biology. 32, 3, p. 701-707.e5 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  111 Citations (Scopus)

  68 Downloads (Pure)

• A local marine source of atmospheric particles in the High Arctic

  Nojgaard, J. K., Peker, L., Pernov, J. B., Johnson, M. S., Bossi, R., Massling, A., Lange, R., Nielsen, I. E., Prevot, A. S. H., Eriksson, A. C., Canonaco, F. & Skov, H., 15 Sep 2022, In: Atmospheric Environment. 285, 12 p., 119241.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  4 Citations (Scopus)

  15 Downloads (Pure)

• Anomalously ¹³C-depleted organic matter from CO in early Mars atmosphere

  Ueno, Y., Schmidt, J., Johnson, M., Zang, X., Gilbert, A., Kurokawa, H. & Usui, T., 2022, 28 p.

  Research output: Working paper › Preprint › Research

  Open Access

  File
  13 Downloads (Pure)

• Are dense networks of low-cost nodes better at monitoring air pollution? A case study in Staffordshire

  Frederickson, L. B., Sidaraviciute, R., Schmidt, J. A., Hertel, O. & Johnson, M. S., 2022, Copernicus/EGU, 28 p.

  Research output: Working paper › Preprint › Research

  Open Access

  File
  13 Downloads (Pure)

• Are dense networks of low-cost nodes really useful for monitoring air pollution? A case study in Staffordshire

  Frederickson, L. B., Sidaraviciute, R., Schmidt, J. A., Hertel, O. & Johnson, M. S., 2022, In: Atmospheric Chemistry and Physics. 22, 21, p. 13949-13965 17 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  17 Citations (Scopus)

  17 Downloads (Pure)

• Diamine-Appended Metal Oxide Framework Materials for Thermal-Swing Ad- and Desorption of Carbon Dioxide at Ambient Conditions

  Maharjan, K. K., Jørgensen, P. B., Rezaei, M. & Johnson, M. S., 2022, In: Frontiers in Environmental Chemistry. 11 p., 847682.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  11 Downloads (Pure)

• Enhanced Ambient Sensing Environment-A New Method for Calibrating Low-Cost Gas Sensors

  Russell, H. S., Frederickson, L. B., Kwiatkowski, S., Emygdio, A. P. M., Kumar, P., Schmidt, J. A., Hertel, O. & Johnson, M. S., Oct 2022, In: Sensors. 22, 19, 29 p., 7238.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  10 Citations (Scopus)

  25 Downloads (Pure)

• Hybrid DFT small-cluster model of CO oxidation on CeO₂/(110)

  Bjerregaard, J. D., Mikkelsen, K. V. & Johnson, M. S., 16 Apr 2022, In: Chemical Physics Letters. 793, 6 p., 139436.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  6 Citations (Scopus)

  19 Downloads (Pure)

• Particulate air pollution in the Copenhagen metro part 2: Low-cost sensors and micro-environment classification

  Russell, H. S., Kappelt, N., Fessa, D., Frederickson, L. B., Bagkis, E., Apostolidis, P., Karatzas, K., Schmidt, J. A., Hertel, O. & Johnson, M. S., 2022, In: Environment International. 170, 11 p., 107645.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  6 Citations (Scopus)

  16 Downloads (Pure)

• Perturbation of the UV transitions of formaldehyde by TiO₂ photocatalysts and Au_n nanoclusters

  Høyer, N. M., Johnson, M. S. & Mikkelsen, K. V., 2022, In: Physical Chemistry Chemical Physics. 24, 18, p. 11395-11411 17 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• The effect of body position while coughing on the airborne transmission of pathogens

  Amjadimanesh, H., Norouzi, M., Johnson, M. S., Sadrizadeh, S. & Abouali, O., 2022, In: Physics of Fluids. 34, 4, 25 p., 041902.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  4 Citations (Scopus)

  9 Downloads (Pure)
• 2021

  Bypassing the multireference character of singlet molecular oxygen, part 1:1,4‐cyclo‐addition

  Jespersen, M. F., Jørgensen, S., Johnson, M. S. & Mikkelsen, K. V., 15 Mar 2021, In: International Journal of Quantum Chemistry. 121, 6, 10 p., e26523.

  Research output: Contribution to journal › Journal article › Research › peer-review
  3 Citations (Scopus)

• Chemistry and Photochemistry of Pyruvic Acid at the Air-Water Interface

  Kappes, K. J., Deal, A. M., Jespersen, M. F., Blair, S. L., Doussin, J. F., Cazaunau, M., Pangui, E., Hopper, B. N., Johnson, M. S. & Vaida, V., 4 Feb 2021, In: Journal of Physical Chemistry A. 125, 4, p. 1036-1049 14 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  32 Citations (Scopus)

  42 Downloads (Pure)

• Correlation of respiratory aerosols and metabolic carbon dioxide

  Kappelt, N., Russell, H. S., Kwiatkowski, S., Afshari, A. & Johnson, M. S., 1 Nov 2021, In: Sustainability (Switzerland). 13, 21, 11 p., 12203.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  17 Citations (Scopus)

  13 Downloads (Pure)

• Do gas nanobubbles enhance aqueous photocatalysis? Experiment and analysis of mechanism

  Yu, W., Chen, J., Ateia, M., Cates, E. L. & Johnson, M. S., Apr 2021, In: Catalysts. 11, 4, 511.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  14 Citations (Scopus)

  24 Downloads (Pure)

• Electrospun Nanofibre Air Filters for Particles and Gaseous Pollutants

  Orlando, R., Polat, M., Afshari, A., Johnson, M. S. & Fojan, P., 2021, In: Sustainability. 13, 12, 18 p., 6553.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  9 Citations (Scopus)

  16 Downloads (Pure)

• Formation of Formaldehyde and Other Byproducts by TiO₂ Photocatalyst Materials

  Yu, W., in `t Veld, M., Bossi, R., Ateia, M., Tobler, D., Feilberg, A., Bovet, N. & Johnson, M. S., 2021, In: Sustainability. 13, 9, 13 p., 4821.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  6 Citations (Scopus)

  16 Downloads (Pure)

• Photochemical method for removing methane interference for improved gas analysis

  Polat, M., Liisberg, J. B., Krogsbøll, M., Blunier, T. & Johnson, M. S., 13 Apr 2021, In: Atmospheric Measurement Techniques. 14, 12, p. 8041–8067 27 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  3 Citations (Scopus)

  36 Downloads (Pure)

• The Sulfolene Protecting Group: Observation of a Direct Photoinitiated Cheletropic Ring Opening

  Skov, A. B., Folkmann, L. M., Boguslavskiy, A. E., Röder, A., Lausten, R., Stolow, A., Johnson, M. S., Pittelkow, M., Nielsen, O. J., Sølling, T. I. & Hansen, T., 2021, In: ChemPhotoChem. 5, 9, p. 863-870 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  2 Citations (Scopus)
• 2020

  Airborne Nanoparticles: Control and Detection

  Rezaei, M. & Johnson, M. S., 30 Jun 2020, Encyclopedia of Sustainability Science and Technology. Meyers, R. A. (ed.). New York, NY: Springer, p. 1-49 49 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

• Air Pollution and Climate Change: Sustainability, Restoration, and Ethical Implications

  Chen, J., Dahlin, M. J., Luuppala, L., Bickford, D., Boljka, L., Burns, V. & Johnson, M. S., 16 May 2020, Encyclopedia of Sustainability Science and Technology. Meyers, R. A. (ed.). New York, NY: Springer, p. 1-48 48 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

• Air Pollution Sources, Statistics, and Health Effects, Introduction

  Hertel, O., Johnson, M. S. & Goodsite, M. E., 30 Jun 2020, Encyclopedia of Sustainability Science and Technology. Meyers, R. A. (ed.). New York, NY: Springer, p. 1-3 3 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

• Air Pollution Sources, Statistics and Health Effects

  Goodsite, M. E., Johnson, M. S. & Hertel, O., 23 Sep 2020, Springer VS. 521 p.

  Research output: Book/Report › Book › Research › peer-review

• An important addition to the field that will inspire further studies to validate the model.

  Johnson, M., 23 Feb 2020, In: Atmospheric Chemistry and Physics. 20, 16, p. C1-C4 4 p.

  Research output: Contribution to journal › Comment/debate › Communication

  Open Access

  File
  5 Downloads (Pure)

• Chemical analysis and origin of the smell of line-dried laundry

  Pugliese, S., Jespersen, M. F., Pernov, J. B., Shenolikar, J., Nygaard, J., Nielsen, O. J. & Johnson, M. S., 2020, In: Environmental Chemistry. 17, 5, p. 355-363 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  9 Citations (Scopus)