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Liqing Hao

Liqing Hao

Staff Scientist

Department of Technical Physics, Faculty of Science, Forestry and Technology

hao.liqing@uef.fi | +358 40 355 2680

Information Publications

Research groups

Aerosol Physics Research Group 01.08.1998 -

Publications

61/61 items

Direct mitigation of secondary organic aerosol particulate pollutants by multiphase photocatalysis
Hao, Liqing; Li, Zijun; Yli-Juuti, Taina; Ylisirniö, Arttu; Pullinen, Iida; Miettinen, Pasi; Xu, Wujun; Lehto, Vesa Pekka; Worsnop, Douglas R; Virtanen, Annele. 2024. Science of the total environment. 923: . 171323 A1 Journal article (refereed), original research
Effect of Long‐Range Transported Fire Aerosols on Cloud Condensation Nuclei Concentrations and Cloud Properties at High Latitudes
Kommula, S. M.; Buchholz, A.; Gramlich, Y.; Mielonen, T.; Hao, L.; Pullinen, I.; Vettikkat, L.; Ylisirniö, A.; Joutsensaari, J.; Schobesberger, S.; Tiitta, P.; Leskinen, A.; Hesslin‐Rees, D.; Haslett, S. L.; Siegel, K.; Lunder, C.; Zieger, P.; Krejci, R.; Romakkaniemi, S.; Mohr, C.; Virtanen, A.. 2024. Geophysical research letters. 51: . e2023GL107134 A1 Journal article (refereed), original research
Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions
Li, Zijun; Buchholz, Angela; Barreira, Luis M. F.; Ylisirnio, Arttu; Hao, Liqing; Pullinen, Iida; Schobesberger, Siegfried; Virtanen, Annele. 2023. Atmospheric chemistry and physics. 23: 203-220 A1 Journal article (refereed), original research
Photochemical transformation and secondary aerosol formation potential of Euro6 gasoline and diesel passenger car exhaust emissions
Hartikainen, Anni H; Ihalainen, Mika; Yli-Pirilä, Pasi; Hao, Liqing; Kortelainen, Miika; Pieber, Simone M; Sippula, Olli. 2023. Journal of aerosol science. 171: . 106159 A1 Journal article (refereed), original research
Aerosol–stratocumulus interactions: towards a better process understanding using closures between observations and large eddy simulations
Calderón, Silvia M.; Tonttila, Juha; Buchholz, Angela; Joutsensaari, Jorma; Komppula, Mika; Leskinen, Ari; Hao, Liqing; Moisseev, Dmitri; Pullinen, Iida; Tiitta, Petri; Xu, Jian; Virtanen, Annele; Kokkola, Harri; Romakkaniemi, Sami. 2022. Atmospheric chemistry and physics. 22: 12417-12441 A1 Journal article (refereed), original research
Evolution of volatility and composition in sesquiterpene-mixed and α-pinene secondary organic aerosol particles during isothermal evaporation
Li, Zijun; Buchholz, Angela; Ylisirniö, Arttu; Barreira, Luis; Hao, Liqing; Schobesberger, Siegfried; Yli-Juuti, Taina; Virtanen, Annele. 2021. Atmospheric chemistry and physics. 21: 18283-18302 A1 Journal article (refereed), original research
The seasonal cycle of ice-nucleating particles linked to the abundance of biogenic aerosol in boreal forests
Schneider, Julia; Höhler, Kristina; Heikkilä, Paavo; Keskinen, Jorma; Bertozzi, Barbara; Bogert, Pia; Schorr, Tobias; Umo, Nsikanabasi Silas; Vogel, Franziska; Brasseur, Zoe; Wu, Yusheng; Hakala, Simo; Duplissy, Jonathan; Moisseev, Dmitri; Kulmala, Markku; Adams, Michael P; Murray, Benjamin J; Korhonen, Kimmo; Hao, Liqing; Thomson, Erik S et al.. 2021. Atmospheric chemistry and physics. 21: 3899-3918 A1 Journal article (refereed), original research
Comparison of dimension reduction techniques in the analysis of mass spectrometry data
Isokääntä, Sini; Kari, Eetu; Buchholz, Angela; Hao, Liqing; Schobesberger, Siegfried; Virtanen, Annele; Mikkonen, Santtu. 2020. Atmospheric measurement techniques. 13: 2995-3022 A1 Journal article (refereed), original research
Condensation/immersion mode ice-nucleating particles in a boreal environment
Paramonov, Mikhail; van Dusseldorp, Saskia Drossaart; Gute, Ellen; Abbatt, Jonathan P D; Heikkilä, Paavo; Keskinen, Jorma; Chen, Xuemeng; Luoma, Krista; Heikkinen, Liine; Hao, Liqing; Petäjä, Tuukka; Kanji, Zamin A. 2020. Atmospheric chemistry and physics. 20: 6687-6706 A1 Journal article (refereed), original research
Direct contribution of ammonia to [alpha]-pinene secondary organic aerosol formation
Hao, Liqing; Kari, Eetu; Leskinen, Ari; Worsnop, Douglas R; Virtanen, Annele. 2020. Atmospheric chemistry and physics. 20: 14393-14405 A1 Journal article (refereed), original research
Photochemical transformation of residential wood combustion emissions: dependence of organic aerosol composition on OH exposure
Hartikainen, Anni; Tiitta, Petri; Ihalainen, Mika; Yli-Pirilä, Pasi; Orasche, Jürgen; Czech, Hendryk; Kortelainen, Miika; Lamberg, Heikki; Suhonen, Heikki; Koponen, Hanna; Hao, Liqing; Zimmermann, Ralf; Jokiniemi, Jorma; Tissari, Jarkko; Sippula, Olli. 2020. Atmospheric chemistry and physics. 20: 6357-6378 A1 Journal article (refereed), original research
Resolving Ambient Organic Aerosol Formation and Aging Pathways with Simultaneous Molecular Composition and Volatility Observations
Lee, BH; D'Ambro, EL; Lopez-Hilfiker, FD; Schobesberger, S; Mohr, C; Zawadowicz, MA; Liu, J; Shilling, JE; Hu, W; Palm, BB; Jimenez, JL; Hao, L; Virtanen, A; Goldstein, AH; Pye, HOT; Thornton, JA. 2020. ACS earth and space chemistry. 4: 391-402 A1 Journal article (refereed), original research
Trajectory-based analysis on the source areas and transportation pathways of atmospheric particulate matter over Eastern Finland
Väisänen, Olli; Hao, Liqing; Virtanen, Annele; Romakkaniemi, Sami. 2020. Tellus series b: chemical and physical meteorology. 72: 1799687 A1 Journal article (refereed), original research
Effect of Decreased Temperature on the Evaporation of α-Pinene Secondary Organic Aerosol Particles
Li, Zijun; Tikkanen, Olli-Pekka; Buchholz, Angela; Hao, Liqing; Kari, Eetu; Yli-Juuti, Taina; Virtanen, Annele. 2019. ACS earth and space chemistry. 3: 2775-2785 A1 Journal article (refereed), original research
Insights into the O : C-dependent mechanisms controlling the evaporation of α-pinene secondary organic aerosol particles
Buchholz, Angela; Lambe, Andrew T; Ylisirniö, Arttu; Li, Zijun; Tikkanen, Olli-Pekka; Faiola, Celia; Kari, Eetu; Hao, Liqing; Luoma, Olli; Huang, Wei; Mohr, Claudia; Worsnop, Douglas R; Nizkorodov, Sergey A; Yli-Juuti, Taina; Schobesberger, Siegfried; Virtanen, Annele. 2019. Atmospheric chemistry and physics. 19: 4061-4073 A1 Journal article (refereed), original research
Potential dual effect of anthropogenic emissions on the formation of biogenic secondary organic aerosol (BSOA)
Kari, Eetu; Hao, Liqing; Ylisirniö, Arttu; Buchholz, Angela; Leskinen, Ari; Yli-Pirilä, Pasi; Nuutinen, llpo; Kuuspalo, Kari; Jokiniemi, Jorma; Faiola, Celia L; Schobesberger, Siegfried; Virtanen, Annele). 2019. Atmospheric chemistry and physics. 19: 15651-15671 A1 Journal article (refereed), original research
Sources of organic aerosols in Europe: a modeling study using CAMx with modified volatility basis set scheme
Jiang, Jianhui; Aksoyoglu, Sebnem; El-Haddad, Imad; Ciarelli, Giancarlo; van der Gon, Hugo AC Denier; Canonaco, Francesco; Gilardoni, Stefania; Paglione, Marco; Cruz Minguillon, Maria; Favez, Olivier; Zhang, Yunjiang; Marchand, Nicolas; Hao, Liqing; Virtanen, Annele; Florou, Kalliopi; O'Dowd, Colin; Ovadnevaite, Jurgita; Baltensperger, Urs; Prevot, Andre SH. 2019. Atmospheric chemistry and physics. 19: 15247-15270 A1 Journal article (refereed), original research
The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system
Roldin, P; Ehn, M; Kurtén, T; Olenius, T; Rissanen, MP; Sarnela, N; Elm, J; Rantala, P; Hao, L; Hyttinen, N; Heikkinen, L; Worsnop, DR; Pichelstorfer, L; Xavier, C; Clusius, P; Öström, E; Petäjä, T; Kulmala, M; Vehkamäki, H; Virtanen, A; et al.. 2019. Nature communications. 10: 4370 A1 Journal article (refereed), original research
Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods
Hao, Liqing; Garmash, Olga; Ehn, Mikael; Miettinen, Pasi; Massoli, Paola; Mikkonen, Santtu; Jokinen, Tuija; Roldin, Pontus; Aalto, Pasi; Yli-Juuti, Taina; Joutsensaari, Jorma; Petäjä, Tuukka; Kulmala, Markku; Lehtinen, Kari E J; Worsnop, Douglas R; Virtanen, Annele. 2018. Atmospheric chemistry and physics. 18: 17705-17716 A1 Journal article (refereed), original research
Emissions and atmospheric processes influence the chemical composition and toxicological properties of urban air particulate matter in Nanjing, China
Rönkkö, TJ; Jalava, PI; Happo, MS; Kasurinen, S; Sippula, O; Leskinen, A; Koponen, H; Kuuspalo, K; Ruusunen, J; Väisänen, O; Hao, L; Ruuskanen, A; Orasche, J; Fang, D; Zhang, L; Lehtinen, KEJ; Zhao, Y; Gu, C; Wang, Q; Jokiniemi, J; et al.. 2018. Science of the total environment. 639: 1290-1310 A1 Journal article (refereed), original research
Hygroscopicity of dimethylaminium-, sulfate-, and ammonium-containing nanoparticles
Tikkanen, Olli-Pekka; Väisänen, Olli; Hao, Liqing; Holopainen, Eemeli; Wang, Hao; Lehtinen, Kari E J; Virtanen, Annele; Yli-Juuti, Taina. 2018. Aerosol science and technology. 52: 971-983 A1 Journal article (refereed), original research
Mixing state and particle hygroscopicity of organic-dominated aerosols over the Pearl River Delta region in China
Hong, Juan; Xu, Hanbing; Tan, Haobo; Yin, Changqing; Hao, Liqing; Li, Fei; Cai, Mingfu; Deng, Xuejiao; Wang, Nan; Su, Hang; Cheng, Yafang; Wang, Lin; Petäjä, Tuukka; Kerminen, Veli-Matti. 2018. Atmospheric chemistry and physics. 18: 14079-14094 A1 Journal article (refereed), original research
Novel insights on new particle formation derived from a pan-european observing system
Dall'Osto, M; Beddows, DCS; Asmi, A; Poulain, L; Hao, L; Freney, E; Allan, JD; Canagaratna, M; Crippa, M; Bianchi, F; de Leeuw, G; Eriksson, A; Swietlicki, E; Hansson, HC; Henzing, JS; Granier, C; Zemankova, K; Laj, P; Onasch, T; Prevot, A; et al.. 2018. Scientific reports. 8: 1482 A1 Journal article (refereed), original research
PM2.5 concentration and composition in the urban air of Nanjing, China: Effects of emission control measures applied during the 2014 Youth Olympic Games
Miettinen, M; Leskinen, A; Abbaszade, G; Orasche, J; Sainio, M; Mikkonen, S; Koponen, H; Rönkkö, T; Ruusunen, J; Kuuspalo, K; Tiitta, P; Jalava, P; Hao, L; Fang, D; Wang, Q; Gu, C; Zhao, Y; Michalke, B; Schnelle-Kreis, J; Lehtinen, KE; et al.. 2018. Science of the total environment. 2019; 652: 1-18 A1 Journal article (refereed), original research
Semi-volatile and highly oxygenated gaseous and particulate organic compounds observed above a boreal forest canopy
Lee, Ben H; Lopez-Hilfiker, Felipe D; D'Ambro, Emma L; Zhou, Putian; Boy, Michael; Petäjä, Tuukka; Hao, Liqing; Virtanen, Annele; Thornton, Joel A. 2018. Atmospheric chemistry and physics. 18: 11547-11562 A1 Journal article (refereed), original research
Ambient observations of dimers from terpene oxidation in the gas phase: Implications for new particle formation and growth
Mohr C, Lopez-Hilfiker FD, Yli-Juuti T, Heitto A, Lutz A, Hallquist M, D'Ambro EL, Rissanen MP, Hao LQ, Schobesberger S, Kulmala M, Mauldin RL, Makkonen U, Sipila M, Petaja T, Thornton JA. 2017. Geophysical research letters. 44: 2958-2966 A1 Journal article (refereed), original research
Effects of inorganic seed aerosols on the particulate products of aged 1,3,5-trimethylbenzene secondary organic aerosol
Huang Mingqiang, Hao Liqing, Cai Shunyou, Gu Xuejun, Zhang Weixiong, Huc Changjin, Wang Zhenya, Fang Li, Zhang Weijun. 2017. Atmospheric environment. 152: 490-502 A1 Journal article (refereed), original research
Estimates of the organic aerosol volatility in a boreal forest using two independent methods
Hong Juan, Äijälä Mikko, Häme Silja AK, Hao Liqing, Duplissy Jonathan, Heikkinen Liine M, Nie Wei, Mikkilä Jyri, Kulmala Markku, Prisle Nønne L, Virtanen Annele, Ehn Mikael, Paasonen Pauli, Worsnop Douglas R, Riipinen Ilona, Petäjä Tuukka, Kerminen Veli-Matti. 2017. Atmospheric chemistry and physics. 17: 4387-4399 A1 Journal article (refereed), original research
Factors controlling the evaporation of secondary organic aerosol from alfa-pinene ozonolysis
Yli-Juuti T, Pajunoja A, Tikkanen O-P, Buchholz A, Faiola C, Väisänen O, Hao L, Kari E, Peräkylä O, Garmash O, Shiraiwa M, Ehn M, Lehtinen K, Virtanen A. 2017. Geophysical research letters. 44: 2562-2570 A1 Journal article (refereed), original research
Sources of particulate organic nitrates in the boreal forest in Finland
Kortelainen A, Hao L, Tiitta P, Jaatinen A, Miettinen P, Kulmala M, Smith JN, Laaksonen A, Worsnop DR, Virtanen A. 2017. Boreal environment research. 22: 13-26 A1 Journal article (refereed), original research
Volatility of mixed atmospheric humic-like substances and ammonium sulfate particles
Nie Wei, Hong Juan, Häme Silja A K, Aijun Ding, Li Yugen, Yan Chao, Hao Liqing, Mikkilä Jyri, Zheng Longfei, Xie Yuning, Zhu Caijun, Xu Zheng, Chi Xuguang, Huang Xin, Zhou Yang, Lin Peng, Virtanen Annele, Worsnop Douglas R, Kulmala Markku, Ehn Mikael et al.. 2017. Atmospheric chemistry and physics. 17: 3659-3672 A1 Journal article (refereed), original research
Effect of Pellet Boiler Exhaust on Secondary Organic Aerosol Formation from alpha-Pinene
Kari Eetu, Hao Liqing, Yli-Pirilä Pasi, Leskinen Ari, Kortelainen Miika, Grigonyte Julija, Worsnop Douglas R, Jokiniemi Jorma, Sippula Olli, Faiola Celia I, Virtanen Annele. 2016. Environmental science and technology. 2017; 51: 1423-1432 A1 Journal article (refereed), original research
In-cloud measurements highlight the role of aerosol hygroscopicity in cloud droplet formation
Väisänen Olli, Ruuskanen Antti, Ylisirniö Arttu, Miettinen Pasi, Portin Harri, Hao Liqing, Leskinen Ari, Komppula Mika, Romakkaniemi Sami, Lehtinen Kari EJ, Virtanen Annele. 2016. Atmospheric chemistry and physics. 16: 10385-10398 A1 Journal article (refereed), original research
Transformation of logwood combustion emissions in a smog chamber: formation of secondary organic aerosol and changes in the primary organic aerosol upon daytime and nighttime aging
Tiitta Petri, Leskinen Ari, Hao Liqing, Yli-Pirilä Pasi, Kortelainen Miika, Grigonyte Julija, Tissari Jarkko, Lamberg Heikki, Hartikainen Anni, Kuuspalo Kari, Kortelainen Aki-Matti, Virtanen Annele, Lehtinen Kari EJ, Komppula Mika, Pieber Simone, Prévôt André SH, Onasch Timothy B, Worsnop Douglas R, Czech Hendryk, Zimmermann Ralf et al. 2016. Atmospheric chemistry and physics. 16: 13251-13269 A1 Journal article (refereed), original research
Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol
Kiendler-Scharr A, Mensah AA, Friese E, Topping D, Nemitz E, Prevot ASH, Äijälä M, Allan J, Canonaco F, Canagaratna M, Carbone S, Crippa M, Dall Osto M, Day DA, De Carlo P, Di Marco CF, Elbern H, Eriksson A, Freney E, Hao L et al. 2016. Geophysical research letters. [epub ahead of print 20 July2016]: 1-10 A1 Journal article (refereed), original research
A synthesis of cloud condensation nuclei counter (CCNC) measurements within the EUCAARI network
Paramonov M, Kerminen V-M, Gysel M, Aalto PP, Andreae MO, Asmi E, Baltensperger U, Bougiatioti A, Brus D, Frank GP, Good N, Gunthe SS, Hao L, Irwin M, Jaatinen A, Jurányi Z, King SM, Kortelainen A, Kristensson A, Lihavainen H, Kulmala M, Lohmann U, Martin ST, McFiggans G, Mihalopoulos N, Nenes A, O'Dowd CD, Ovadnevaite J, Petäjä T, Pöschl U, Roberts GC, Rose D, Svenningsson B, Swietlicki E, Weingartner E, Whitehead J, Wiedensohler A, Wittbom C, Sierau B. 2015. Atmospheric chemistry and physics. 15: - A1 Journal article (refereed), original research
Adsorptive uptake of water by semisolid secondary organic aerosols
Pajunoja Aki, Lambe Andrew T, Hakala Jani, Rastak Narges, Cummings Molly J, Brogan James F, Hao Liqing, Paramonov Mikhail, Hong Juan, Prisle Nonne L, Malila Jussi, Romakkaniemi Sami, Lehtinen Kari EJ, Laaksonen Ari, Kulmala Markku, Massoli Paola, Onasch Timothy B, Donahue Neil M, Riipinen Ilona, Davidovits Paul et al. 2015. Geophysical research letters. 42: 3063-3068 A1 Journal article (refereed), original research
Biotic stress accelerates formation of climate-relevant aerosols in boreal forests
Joutsensaari J, Yli-Pirilä P, Korhonen H, Arola A, Blande JD, Heijari J, Kivimäenpää M, Mikkonen S, Hao L, Miettinen P, Lyytikäinen-Saarenmaa, Faiola CL, Laaksonen A, Holopainen JK. 2015. Atmospheric chemistry and physics. 15: 12139-12157 A1 Journal article (refereed), original research
Day and night variation in chemical composition and toxicological responses of size segregated urban air PM samples in a high air pollution situation
Jalava PI, Wang Q, Kuuspalo K, Ruusunen J, Hao L, Fang D, Väisänen O, Ruuskanen A, Sippula O, Happo MS, Uski O, Kasurinen S, Torvela T, Koponen H, Lehtinen KEJ, Komppula M, Gub C, Jokiniemi J, Hirvonen M-R. 2015. Atmospheric environment. 120: 427-437 A1 Journal article (refereed), original research
Real-Time Chemical Composition Analysis of Particulate Emissions from Woodchip Combustion
Kortelainen Aki, Joutsensaari Jorma, Hao Liqing, Leskinen Jani, Tiitta Petri, Jaatinen Antti, Miettinen Pasi, Sippula Olli, Torvela Tiina, Tissari Jarkko, Jokiniemi Jorma, Worsnop Douglas R., Smith James N., Laaksonen Ari, Virtanen Annele. 2015. Energy and fuels. 29: 1143-1150 A1 Journal article (refereed), original research
Relating the hygroscopic properties of submicron aerosol to both gas- and particle-phase chemical composition in a boreal forest environment
Hong J, Kim J, Nieminen T, Duplissy J, Ehn M, Äijälä M, Hao LQ, Nie W, Sarnela N, Prisle NL, Kulmala M, Virtanen A, Petäjä T, Kerminen V-M. 2015. Atmospheric chemistry and physics. 15: 11999-12009 A1 Journal article (refereed), original research
Atmospheric submicron aerosol composition and particulate organic nitrate formation in a boreal forestland-urban mixed region
Hao Liqing, Kortelainen Aki, Romakkaniemi Sami, Portin Harri, Jaatinen Antti, Leskinen Ari, Komppula Mika, Miettinen Pasi, Sueper Donna, Pajunoja Aki, Smith James N, Lehtinen Kari E J, Worsnop Douglas R, Laaksonen Ari, Virtanen Annele. 2014. Atmospheric chemistry and physics. 14: 13483-13495 A1 Journal article (refereed), original research
Increased hygroscopicity of Arizona Test Dust seeds by secondary organic aerosol coating from Increased hygroscopicity of Arizona Test Dust seeds by secondary organic alfa-pinene ozonolysis
Keskinen Helmi, Kortelainen Aki-Matti, Jaatinen Antti, Yli-Pirilä Pasi, Joutsensaari Jorma, Romakkaniemi Sami, Hao Liqing, Torvela Tiina, Miettinen Pasi, Virtanen Annele, Worsnop Douglas R, Laaksonen Ari, Smith James N. 2014. Boreal environment research. 19: 182-190 A1 Journal article (refereed), original research
The effect of local sources on particle size and chemical composition and their role in aerosol-cloud interactions at Puijo measurement station
Portin Harri, Leskinen Ari, Hao Liqing, Kortelainen Aki, Miettinen Pasi, Jaatinen Antti, Laaksonen Ari, Lehtinen Kari E J, Romakkaniemi Sami, Komppula Mika. 2014. Atmospheric chemistry and physics. 14: 6021-6034 A1 Journal article (refereed), original research
The role of low volatile organics on secondary organic aerosol formation
Kokkola Harri, Yli-Pirilä Pasi, Vesterinen Milko, Korhonen Hannele, Keskinen Helmi, Romakkaniemi Sami, Hao Liqing, Kortelainen Aki, Joutsensaari Jorma, Worsnop Douglas R, Virtanen Annele, Lehtinen Kari E J. 2014. Atmospheric chemistry and physics. 14: 1689-1700 A1 Journal article (refereed), original research
The third Pallas Cloud Experiment: Consistency between the aerosol hygroscopic growth and CCN activity
Jaatinen Antti, Romakkaniemi Sami, Anttila Tatu, Hyvärinen Antti-Pekka, Hao Liqing, Kortelainen Aki, Miettinen Pasi, Mikkonen Santtu, Smith James N, Virtanen Annele, Laaksonen Ari. 2014. Boreal environment research. 19: 368-382 A1 Journal article (refereed), original research
Aerosol Chemical Composition in Cloud Events by High Resolution Time-of-Flight Aerosol Mass Spectrometry
L. Q. Hao, S. Romakkaniemi, A. Kortelainen, A. Jaatinen, H. Portin, P. Miettinen, M. Komppula, A. Leskinen, A. Virtanen, J.N. Smith, D. Sueper,D.R. Worsnop, K.E.J. Lehtinen and A. Laaksonen. 2013. Environmental science and technology. 47: 2645-2653 A1 Journal article (refereed), original research
Bounce characteristics of &#945 -pinene derived SOA particles with implications to physical phase
Kannosto Jonna, Yli-Pirilä Pasi, Hao Liqing, Leskinen Jani, Jokiniemi Jorma, Mäkelä Jyrki, Joutsensaari Jorma, Laaksonen Ari, Worsnop Douglas R, Keskinen Jorma, Virtanen Annele. 2013. Boreal environment research. 18: 329-340 A1 Journal article (refereed), original research
Effects of inorganic seed aerosols on the growth and chemical composition of secondary organic aerosol formed from OH-initiated oxidation of toluene
Huang Mingqiang, Hao Liqing, Gu Xuejun, Hu Changjin, Zhao Weixiong, Wang Zhenya, Fang Li, Zhang Weijun. 2013. Journal of atmospheric chemistry. 70: 151-164 A1 Journal article (refereed), original research
Estimating the Viscosity Range of SOA Particles Based on Their Coalescence Time
Pajunoja Aki, Malila Jussi, Hao Liqing, Joutsensaari Jorma, Lehtinen Kari E J, Virtanen Annele. 2013. Aerosol science and technology. 48: i-iv A1 Journal article (refereed), original research
A Case Study of Cloud Events by High Resolution Aerosol Mass Spectrometer in a Semi-urban Aerosol-cloud Interaction Observation Station, European Aerosol Conference 2012
L. Q. Hao, A. Kortelainen, A. Jaatinen, S. Romakkaniemi, H. Portin, P. Miettinen, M. Komppula, A. Leskinen, J.N. Smith, D.R. Worsnop, and A. Laaksonen. 2012.
Characterization of secondary organic aerosol particles using aerosol laser time-of-flight mass spectrometer coupled with FCM clustering algorithm
Huang M, Hao Liqing, Guo X, Hu C, Gu X, Zhao W, Wang Z, Fang L, Zhang W. 2012. Atmospheric environment. 64: 85-94 A1 Journal article (refereed), original research
Chemical composition and CCN activity of aerosols during cloud events in a semi-urban aerosol-cloud interaction observation station
L. Q. Hao, A. Jaatinen, S. Romakkaniemi, A. Kortelainen, H. Portin, P. Miettinen, M. Komppula, A. Leskinen, J.N. Smith, D.R. Worsnop, and A. Laaksonen. 2012.
Aerosol mass spectrometer measurements at the SMEAR IV semi-urban station
L. Q. Hao, A. Kortelainen, S. Romakkaniemi, P. Miettinen, A. Jaatinen, H. Portin, A. Leskinen, M. Kulmala, J. Joutsensaari, D.R. Worsnop, J.N. Smith, and A. Laaksonen. 2011.
Bounce behavior of freshly nucleated biogenic secondary organic aerosol particles
Virtanen Annele, Kannosto Jonna, Kuuluvainen H, Arffman A, Joutsensaari Jorma, Saukko E, Hao L, Yli-Pirilä Pasi, Tiitta Petri, Holopainen JK, Keskinen J, Worsnop DR, Smith JN, Laaksonen Ari. 2011. Atmospheric chemistry and physics. 11: 8759-8766 A1 Journal article (refereed), original research
Mass yields of secondary organic aerosols from the oxidation of &#945 -pinene and real plant emissions
Hao Liqing, Romakkaniemi Sami, Yli-Pirilä Pasi, Joutsensaari Jorma, Kortelainen Aki, Kroll JH, Miettinen, Pasi, Vaattovaara Petri, Tiitta, Petri, Jaatinen Antti, Kajos MK, Holopainen JK, Heijari J, Rinne J, Kulmala Markku, Worsnop DR, Smith James & Laaksonen Ari. 2011. Atmospheric chemistry and physics. 11: 1367-1378 A1 Journal article (refereed), original research
MASS YIELDS OF SECONDARY ORGANIC AEROSOLS FROM THE OXIDATION OF REAL PLANT EMISSIONS
L.Q. HAO, P. Yli-Pirilä, P. Tiitta, S. Romakkaniemi, Vaattovaara, M. K. Kajos, J. Rinne, J. Heijari, A. Kortelainen, P. Miettinen, J.H. Kroll, J.K. Holopainen, J.N. Smith, J. Joutsensaari, M. Kulmala, D.R. Worsnop, and A. Laaksonen. 2010.
Mass yields of Secondary Organic Aerosols from oxidations of real plant emissions
L.Q. Hao, P. Yli-Pirilä, P. Tiitta, S. Romakkaniemi, P. Vaattovaara, M. K. Kajos, J. Rinne, J. Heijari, A. Kortelainen, P. Miettinen, J.H. Kroll, J.K. Holopainen, J.N. Smith, J. Joutsensaari, M. Kulmala, D.R. Worsnop, and A. Laaksonen. 2010.
New particle formation from the oxidation of direct emissions of pine seedlings
Hao LQ, Yli-Pirilä P, Tiitta P, Romakkaniemi S, Vaattovaara P, Kajos MK, Rinne J, Heijari J, Kortelainen A, Miettinen P, Kroll JH, Holopainen JK, Smith JN, Joutsensaari J, Kulmala M, Worsnop DR, Laaksonen A. 2009. Atmospheric chemistry and physics. 9: 8121-8137 A1 Journal article (refereed), original research
Roles of OH and O3 Oxidation in the New Particle Formation from Direct Pine Emissions
L.Q. Hao, P. Tiitta, J. Joutsensaari, S. Romakkaniemi, P. Yli-Pirilä, P. Vaattovaara, M. K. Kajos, J. Heijari, J.-K Holopainen, A. Kortelainen, P. Miettinen, J.H. Kroll, D.R. Worsnop, and A. Laaksonen. 2009.
Secondary organic aerosol from oxidation of real pine emissions
Hao, L.Q., Yli-Pirilä, P., Tiitta, P., Romakkaniemi, S., Vaattovaara, P., Kajos, M. K., Rinne, J., Heijari, J., Holopainen, J.-K, Kortelainen, A., Miettinen, P., Kroll, J.H., Holppaninen, J.-K., Joutsensaari, J., Kulmala, M., Worsnop, D.R. and Laaksonen. A. 2009.

University of Eastern Finland Joensuu, Kuopio © University of Eastern Finland

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Liqing Hao

Research groups

Direct mitigation of secondary organic aerosol particulate pollutants by multiphase photocatalysis

Effect of Long‐Range Transported Fire Aerosols on Cloud Condensation Nuclei Concentrations and Cloud Properties at High Latitudes

Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions

Photochemical transformation and secondary aerosol formation potential of Euro6 gasoline and diesel passenger car exhaust emissions

Aerosol–stratocumulus interactions: towards a better process understanding using closures between observations and large eddy simulations

Evolution of volatility and composition in sesquiterpene-mixed and α-pinene secondary organic aerosol particles during isothermal evaporation

The seasonal cycle of ice-nucleating particles linked to the abundance of biogenic aerosol in boreal forests

Comparison of dimension reduction techniques in the analysis of mass spectrometry data

Condensation/immersion mode ice-nucleating particles in a boreal environment

Direct contribution of ammonia to [alpha]-pinene secondary organic aerosol formation

Photochemical transformation of residential wood combustion emissions: dependence of organic aerosol composition on OH exposure

Resolving Ambient Organic Aerosol Formation and Aging Pathways with Simultaneous Molecular Composition and Volatility Observations

Trajectory-based analysis on the source areas and transportation pathways of atmospheric particulate matter over Eastern Finland

Effect of Decreased Temperature on the Evaporation of α-Pinene Secondary Organic Aerosol Particles

Insights into the O : C-dependent mechanisms controlling the evaporation of α-pinene secondary organic aerosol particles

Potential dual effect of anthropogenic emissions on the formation of biogenic secondary organic aerosol (BSOA)

Sources of organic aerosols in Europe: a modeling study using CAMx with modified volatility basis set scheme

The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system

Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods

Emissions and atmospheric processes influence the chemical composition and toxicological properties of urban air particulate matter in Nanjing, China

Hygroscopicity of dimethylaminium-, sulfate-, and ammonium-containing nanoparticles

Mixing state and particle hygroscopicity of organic-dominated aerosols over the Pearl River Delta region in China

Novel insights on new particle formation derived from a pan-european observing system

PM2.5 concentration and composition in the urban air of Nanjing, China: Effects of emission control measures applied during the 2014 Youth Olympic Games

Semi-volatile and highly oxygenated gaseous and particulate organic compounds observed above a boreal forest canopy

Ambient observations of dimers from terpene oxidation in the gas phase: Implications for new particle formation and growth

Effects of inorganic seed aerosols on the particulate products of aged 1,3,5-trimethylbenzene secondary organic aerosol

Estimates of the organic aerosol volatility in a boreal forest using two independent methods

Factors controlling the evaporation of secondary organic aerosol from alfa-pinene ozonolysis

Sources of particulate organic nitrates in the boreal forest in Finland

Volatility of mixed atmospheric humic-like substances and ammonium sulfate particles

Effect of Pellet Boiler Exhaust on Secondary Organic Aerosol Formation from alpha-Pinene

In-cloud measurements highlight the role of aerosol hygroscopicity in cloud droplet formation

Transformation of logwood combustion emissions in a smog chamber: formation of secondary organic aerosol and changes in the primary organic aerosol upon daytime and nighttime aging

Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol

A synthesis of cloud condensation nuclei counter (CCNC) measurements within the EUCAARI network

Adsorptive uptake of water by semisolid secondary organic aerosols

Biotic stress accelerates formation of climate-relevant aerosols in boreal forests

Day and night variation in chemical composition and toxicological responses of size segregated urban air PM samples in a high air pollution situation

Real-Time Chemical Composition Analysis of Particulate Emissions from Woodchip Combustion

Relating the hygroscopic properties of submicron aerosol to both gas- and particle-phase chemical composition in a boreal forest environment

Atmospheric submicron aerosol composition and particulate organic nitrate formation in a boreal forestland-urban mixed region

Increased hygroscopicity of Arizona Test Dust seeds by secondary organic aerosol coating from Increased hygroscopicity of Arizona Test Dust seeds by secondary organic alfa-pinene ozonolysis

The effect of local sources on particle size and chemical composition and their role in aerosol-cloud interactions at Puijo measurement station

The role of low volatile organics on secondary organic aerosol formation

The third Pallas Cloud Experiment: Consistency between the aerosol hygroscopic growth and CCN activity

Aerosol Chemical Composition in Cloud Events by High Resolution Time-of-Flight Aerosol Mass Spectrometry

Bounce characteristics of &#945 -pinene derived SOA particles with implications to physical phase

Effects of inorganic seed aerosols on the growth and chemical composition of secondary organic aerosol formed from OH-initiated oxidation of toluene

Estimating the Viscosity Range of SOA Particles Based on Their Coalescence Time

A Case Study of Cloud Events by High Resolution Aerosol Mass Spectrometer in a Semi-urban Aerosol-cloud Interaction Observation Station, European Aerosol Conference 2012

Characterization of secondary organic aerosol particles using aerosol laser time-of-flight mass spectrometer coupled with FCM clustering algorithm

Chemical composition and CCN activity of aerosols during cloud events in a semi-urban aerosol-cloud interaction observation station

Aerosol mass spectrometer measurements at the SMEAR IV semi-urban station

Bounce behavior of freshly nucleated biogenic secondary organic aerosol particles

Mass yields of secondary organic aerosols from the oxidation of &#945 -pinene and real plant emissions

MASS YIELDS OF SECONDARY ORGANIC AEROSOLS FROM THE OXIDATION OF REAL PLANT EMISSIONS

Mass yields of Secondary Organic Aerosols from oxidations of real plant emissions

New particle formation from the oxidation of direct emissions of pine seedlings

Roles of OH and O3 Oxidation in the New Particle Formation from Direct Pine Emissions

Secondary organic aerosol from oxidation of real pine emissions