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- Ravi Kant Pathak
Ravi Kant Pathak
Senior Lecturer
Department of Chemistry & Molecular Biology-
Volatility Measurements of Oxygenated Volatile Organics from Fresh and Aged Residential Wood Burning
Emissions
Michael Priestley, Xiangrui Kong, Xiangyu Pei, Ravi K. Pathak, Kent Davidsson, Jan B. C. Pettersson, Mattias Hallquist
ACS EARTH AND SPACE CHEMISTRY - 2024 -
PM2.5 at a semi-rural site near Beijing,
China
Johan Boman, M. Langer, X. Y. Pei, S. Guo, Ravi K. Pathak, Samuel Mwaniki Gaita, M. Hu, Mattias Hallquist
X-Ray Spectrometry - 2023 -
Seasonally optimized calibrations improve low-cost sensor performance: long-term field evaluation of PurpleAir sensors in urban and rural
India
Mark Joseph Campmier, Jonathan Gingrich, Saumya Singh, Nisar Baig, Shahzad Gani, Adithi Upadhya, Pratyush Agrawal, Meenakshi Kushwaha, Harsh Raj Mishra, Ajay Pillarisetti, Sreekanth Vakacherla, Ravi K. Pathak, Joshua S. Apte
Atmospheric Measurement Techniques - 2023 -
Transformation of morphological and chemical properties by coating materials on
soot
Michael Priestley, Xiangyu Pei, Takuji Ohigashi, hayato Yuzawa, Jan B. C. Pettersson, Ravi K. Pathak, Mattias Hallquist, Xiangrui Kong
AIP Conference Proceedings, Vol 2990:1 - 2023 -
Chemical mapping of potassium-containing particles from residential biomass burning and in ambient
air
Xiangrui Kong, Michael Priestley, Xiangyu Pei, Yishu Zhu, Zhijun Wu, Min Hu, Takuji Ohigashi, Hayato Yuzawa, Ravi K. Pathak, Jan B. C. Pettersson, Mattias Hallquist
AIP Conference Proceedings Vol 2990:1 - 2023 -
Pros and cons of wood and pellet stoves for residential heating from an emissions
perspective
Michael Priestley, Xiangrui Kong, Xiangyu Pei, Julia Hammes, Daniel Bäckström, Ravi K. Pathak, Jan B. C. Pettersson, Mattias Hallquist
Environmentl Science: Atmospheres - 2023 -
Characterization, sources, and atmospheric transformation of a few key short-lived climate pollutants (SLCPs) at a rural super-site in the Indo-Gangetic Plain (IGP) of
India
Jai Prakash, Harsh Raj Mishra, Kalyan Mitra, Bhilok Chandra, Mattias Hallquist, Gazala Habib, Geetam Tiwari, Jan B. C. Pettersson, Johan Boman, Håkan Pleijel, Ravi K. Pathak
Environmental Science: Atmospheres - 2022 -
Secondary Organic Aerosol (SOA) from Photo-Oxidation of Toluene: 1 Influence of Reactive Nitrogen, Acidity and Water Vapours on Optical
Properties
Kalyan Mitra, Harsh Raj Mishra, Xiangyu Pei, Ravi K. Pathak
Atmosphere - 2022 -
Characterization of Propane Fueled Flames: A Significant Source of Brown
Carbon
Jai Prakash, Kalyan Mitra, Harsh Raj Mishra, Xiangyu Pei, Evert Ljungström, Ravi K. Pathak
Atmosphere - 2022 -
Molecular Characterization of Emissions from a Residential Wood Burning
Boiler
Xiangrui Kong, Christian Mark Salvador, Staffan Carlsson, Ravi K. Pathak, Kent O Davidsson, Michael Le Breton, Samuel Mwaniki Gaita, Kalyan Mitra, Åsa M. Hallquist, Mattias Hallquist, Jan B. C. Pettersson
Science of the Total Environment - 2021 -
Roadside assessment of a modern city bus fleet: Gaseous and particle
emissions
Qianyun Liu, Åsa M. Hallquist, Henrik Fallgren, Martin Jerksjö, Sara Jutterström, Håkan Salberg, Mattias Hallquist, Michael Le Breton, Xiangyu Pei, Ravi K. Pathak, Tengyu Liu, Berto Lee, Chak K. Chan
Atmospheric Environment: X - 2019 -
Chlorine oxidation of VOCs at a semi-rural site in Beijing: significant chlorine liberation from ClNO2 and subsequent gas- and particle-phase Cl-VOC
production
Michael Le Breton, Ravi K. Pathak, D. Simpson, Y. J. Wang, J. Johansson, J. Zheng, Y. D. Yang, D. J. Shang, H. C. Wang, Q. Y. Liu, C. Chan, T. Wang, T. J. Bannan, M. Priestley, C. J. Percival, D. E. Shallcross, K. D. Lu, S. Guo, M. Hu, Mattias Hallquist
Atmospheric Chemistry and Physics - 2018 -
Size-resolved effective density of submicron particles during summertime in the rural atmosphere of Beijing,
China
K. Qiao, Z. J. Wu, Xiangyu Pei, Q. Y. Liu, D. J. Shang, J. Zheng, Z. F. Du, W. F. Zhu, Y. S. Wu, S. R. Lou, S. Guo, C. K. Chan, Ravi K. Pathak, Mattias Hallquist, M. Hu
Journal of Environmental Sciences - 2018 -
Morphological transformation of soot: Investigation of microphysical processes during the condensation of sulfuric acid and limonene ozonolysis product
vapors
Xiangyu Pei, Mattias Hallquist, A. C. Eriksson, J. Pagels, N. M. Donahue, T. Mentel, B. Svenningsson, W. Brune, Ravi K. Pathak
Atmospheric Chemistry and Physics - 2018 -
Online gas- and particle-phase measurements of organosulfates, organosulfonates and nitrooxy organosulfates in Beijing utilizing a FIGAERO
ToF-CIMS
Michael Le Breton, Y. J. Wang, A. M. Hallquist, Ravi K. Pathak, J. Zheng, Y. D. Yang, D. J. Shang, M. Glasius, T. J. Bannan, Q. Y. Liu, C. K. Chan, C. J. Percival, W. F. Zhu, S. R. Lou, D. Topping, Y. C. Wang, J. Z. Yu, K. D. Lu, S. Guo, M. Hu, Mattias Hallquist
Atmospheric Chemistry and Physics - 2018 -
Characterization of organic nitrate constituents of secondary organic aerosol (SOA) from nitrate-radical-initiated oxidation of limonene using high-resolution chemical ionization mass
spectrometry
Cameron Faxon, Julia Hammes, Michael Le Breton, Ravi K. Pathak, Mattias Hallquist
Atmospheric Chemistry And Physics - 2018 -
Measurement of the size distribution, volume fraction and optical properties of soot in an 80 kW propane
flame
D. Backstrom, A. Gunnarsson, Dan Gall, Xiangyu Pei, Robert Johansson, K. Andersson, Ravi K. Pathak, Jan B. C. Pettersson
Combustion and Flame - 2017 -
Photochemical smog in China: scientific challenges and implications for air-quality
policies
Mattias Hallquist, John Munthe, Min Hu, Tao Wang, Chak K. Chan, Jian Gao, Johan Boman, Song Guo, Åsa M. Hallquist, Johan Mellquist, Jana Moldanava, Ravi K. Pathak, Jan B. C. Pettersson, Håkan Pleijel, David Simpson, Marie Thynell
National Science Review - 2016 -
Impact of the 0.1% fuel sulfur content limit in SECA on particle and gaseous emissions from marine
vessels
Maria Zetterdahl, J. Moldanová, Xiangyu Pei, Ravi K. Pathak, B. Demirdjian
Atmospheric Environment - 2016 -
Contribution of Brown Carbon to Direct Radiative Forcing over the Indo-Gangetic
Plain
P. M. Shainjad, S. N. Tripathi, Ravi K. Pathak, Mattias Hallquist, A. Arola, M. H. Bergin
Environmental Science & Technology - 2015 -
n-Alkanoic monocarboxylic acid concentrations in urban and rural aerosols: Seasonal dependence and major
sources
Ardhendu Sekhar Shannigrahi, Jan B. C. Pettersson, Sarka Langer, K. Arrhenius, Magnus Hagström, Sara Janhäll, Mattias Hallquist, Ravi K. Pathak
Atmospheric research - 2014 -
Size distributions of aerosol sulfates and nitrates in Beijing during the 2008 Olympic Games: Impacts of pollution control measures and regional
transport
X. F. Wang, T. Wang, Ravi K. Pathak, Mattias Hallquist, X. M. Gao, W. Nie, L. K. Xue, J. Gao, R. Gao, Q. Z. Zhang, W. X. Wang, S. L. Wang, F. H. Chai, Y. Z. Chen
Advances in Atmospheric Sciences - 2013 -
Influence of Ozone and Radical Chemistry on Limonene Organic Aerosol Production and Thermal
Characteristics
Ravi K. Pathak, Kent Salo, Eva U. Emanuelsson, Cilan Cai, Anna Lutz, Åsa M. Hallquist, Mattias Hallquist
Environmental Science & Technology - 2012