Defeng Zhao
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View article: Online molecular insights into sources and formation of organic aerosol in Shanghai
Online molecular insights into sources and formation of organic aerosol in Shanghai Open
Organic aerosols (OA) constitute a large portion of atmospheric aerosols. The detailed sources of OA, especially precursors and formation processes of secondary OA (SOA) in megacities remain unclear, largely due to lack of molecular compos…
View article: Atmospheric water cluster–catalyzed formation of nitroaromatics as a secondary aerosol source
Atmospheric water cluster–catalyzed formation of nitroaromatics as a secondary aerosol source Open
Nitroaromatic compounds (NACs) are an abundant class of compounds in atmospheric particulate matter, exerting considerable impacts on air quality, climate, and public health. They are typically derived from secondary formation, which is ge…
View article: Explicit simulation of chemical composition, size distribution and cloud condensation nuclei of secondary organic aerosol from α-pinene ozonolysis
Explicit simulation of chemical composition, size distribution and cloud condensation nuclei of secondary organic aerosol from α-pinene ozonolysis Open
Secondary organic aerosols (SOA) contribute significantly to cloud condensation nuclei (CCN), which depend on size distribution, chemical composition and hygroscopicity parameter (κ). However, how well current understanding of SOA formatio…
View article: Supplementary material to "Explicit simulation of chemical composition, size distribution and cloud condensation nuclei of secondary organic aerosol from α-pinene ozonolysis"
Supplementary material to "Explicit simulation of chemical composition, size distribution and cloud condensation nuclei of secondary organic aerosol from α-pinene ozonolysis" Open
View article: Molecular composition and processing of aqueous secondary organic aerosol in cloud at a mountain site in southeastern China
Molecular composition and processing of aqueous secondary organic aerosol in cloud at a mountain site in southeastern China Open
Aqueous secondary organic aerosol (aqSOA) contributes substantially to organic aerosol (OA), affecting air quality, human health, and climate. However, the molecular composition and processing of aqSOA in cloud remain unclear due to limite…
View article: Supplementary material to "Molecular composition and processing of aqueous secondary organic aerosol in cloud at a mountain site in southeastern China"
Supplementary material to "Molecular composition and processing of aqueous secondary organic aerosol in cloud at a mountain site in southeastern China" Open
View article: Atmospheric organic aerosols: online molecular characterization and environmental impacts
Atmospheric organic aerosols: online molecular characterization and environmental impacts Open
Organic aerosols (OA) play critical roles in atmospheric chemistry, air quality, climate forcing, and public health. However, their chemical complexity, comprising thousands of compounds with a wide range of volatilities, functionalities, …
View article: Increasing summertime low-level cloud cover associated with increasing vegetation in China from 2003 to 2022
Increasing summertime low-level cloud cover associated with increasing vegetation in China from 2003 to 2022 Open
Vegetation impacts on cloud physical properties and climate. The rapid greening in China in the past two decades, which contributed the most to global greening, may influence clouds in the region. However, due to the influence of a rapid c…
View article: Five-year Outcome of CD19 Combined With CD22 CAR-T Cell Therapy in Patients With B-ALL Relapsed After Allo-transplantation
Five-year Outcome of CD19 Combined With CD22 CAR-T Cell Therapy in Patients With B-ALL Relapsed After Allo-transplantation Open
View article: Decomposition of Clusters of Oxygenated Compounds with NO<sub>3</sub><sup>–</sup> by Applying Voltage Scanning to Chemical Ionization Mass Spectrometry in Steady-State Experiments
Decomposition of Clusters of Oxygenated Compounds with NO<sub>3</sub><sup>–</sup> by Applying Voltage Scanning to Chemical Ionization Mass Spectrometry in Steady-State Experiments Open
Oxygenated volatile organic compounds (OVOCs) contribute to atmospheric secondary organic aerosols. To better constrain OVOC distributions, e.g., from the oxidation of phenolics, voltage scanning was applied for the targeted destruction of…
View article: Formation and photochemical aging of secondary organic aerosols from NO3 oxidation of phenolic compounds
Formation and photochemical aging of secondary organic aerosols from NO3 oxidation of phenolic compounds Open
Phenolic compounds containing at least one hydroxyl functional group on the aromatic ring constitute a significant fraction of volatile organic compounds precursors in urban cities, representing a wide range of environmental, climate, and …
View article: Significance of hydrogen abstraction in the formation of highly oxygenated organic molecules in the OH oxidation of monoterpenes
Significance of hydrogen abstraction in the formation of highly oxygenated organic molecules in the OH oxidation of monoterpenes Open
Secondary organic aerosol (SOA), formed by oxidation of volatile organic compounds, significantly influence air quality and climate. Biogenic highly oxygenated organic molecules (HOM), particularly those formed from monoterpenes, play a ke…
View article: Molecular composition of secondary organic aerosol from &#945;-pinene ozonolysis affected by relative humidity
Molecular composition of secondary organic aerosol from α-pinene ozonolysis affected by relative humidity Open
Biogenic volatile organic compounds (BVOC) can contribute a significant fraction to secondary organic aerosols (SOA) through atmospheric oxidation, which plays a critical role in climate change and human health. The ozonolysis of α-pi…
View article: Effect of relative humidity on the molecular composition of secondary organic aerosols from α-pinene ozonolysis
Effect of relative humidity on the molecular composition of secondary organic aerosols from α-pinene ozonolysis Open
Secondary organic aerosols (SOAs) originating from the oxidation of biogenic volatile organic compounds such as monoterpenes by atmospheric oxidants ( e.g. OH, ozone, and NO 3 ), constitute a widespread source of organic aerosols in the at…
View article: P387: THE TREATMENT RESPONSE OF A TWO-DOSE REGIMEN OF DOSE-ADJUSTED INOTUZUMAB IN RELAPSED/REFRACTORY B-ALL
P387: THE TREATMENT RESPONSE OF A TWO-DOSE REGIMEN OF DOSE-ADJUSTED INOTUZUMAB IN RELAPSED/REFRACTORY B-ALL Open
Background: CD19- or CD22-specific chimeric antigen receptor (CAR) T-cell therapy resulted in promising outcomes in relapsed/refractory B-cell acute lymphoblastic leukemia (r/r B-ALL). However, some patients relapse after CAR-T and usually…
View article: Formation of highly oxygenated organic molecules from the oxidation of limonene by OH radical: significant contribution of H-abstraction pathway
Formation of highly oxygenated organic molecules from the oxidation of limonene by OH radical: significant contribution of H-abstraction pathway Open
Highly oxygenated organic molecules (HOMs) play a pivotal role in the formation of secondary organic aerosol (SOA). Therefore, the distribution and yields of HOMs are fundamental to understand their fate and chemical evolution in the atmos…
View article: Roles of regional transport and vertical mixing in aerosol pollution in Shanghai over the COVID-19 lockdown period observed above urban canopy
Roles of regional transport and vertical mixing in aerosol pollution in Shanghai over the COVID-19 lockdown period observed above urban canopy Open
Regional transport and vertical mixing are important for aerosol pollution of megacities, but their roles are often challenging to assess via ground observations. In this study, we measured aerosol chemical composition simultaneously above…
View article: Roles of regional transport and vertical mixing in aerosol pollution in Shanghai over the COVID-19 lockdown period observed above urban canopy
Roles of regional transport and vertical mixing in aerosol pollution in Shanghai over the COVID-19 lockdown period observed above urban canopy Open
Regional transport and vertical mixing are important for aerosol pollution of megacities, but their roles are often challenging to assess via ground observations. In this study, we measured aerosol chemical composition simultaneously above…
View article: Roles of regional transport and vertical mixing in aerosol pollution in Shanghai over the COVID-19 lockdown period observed above urban canopy
Roles of regional transport and vertical mixing in aerosol pollution in Shanghai over the COVID-19 lockdown period observed above urban canopy Open
Regional transport and vertical mixing are important for aerosol pollution of megacities, but their roles are often challenging to assess via ground observations. In this study, we measured aerosol chemical composition simultaneously above…
View article: Contrasting Influence of Nitrogen Oxides on the Cloud Condensation Nuclei Activity of Monoterpene‐Derived Secondary Organic Aerosol in Daytime and Nighttime Oxidation
Contrasting Influence of Nitrogen Oxides on the Cloud Condensation Nuclei Activity of Monoterpene‐Derived Secondary Organic Aerosol in Daytime and Nighttime Oxidation Open
Anthropogenic nitrogen oxides may influence the cloud condensation nuclei (CCN) activity of biogenic secondary organic aerosols (SOA) in both daytime photooxidation and nighttime NO 3 oxidation, which has significant implications for the c…
View article: dataset for MT-SOA CCN activity
dataset for MT-SOA CCN activity Open
This dump provides access to the metadata from the main text related to publication of MT-SOA CCN activity.
View article: dataset for MT-SOA CCN activity
dataset for MT-SOA CCN activity Open
This dump provides access to the metadata from the main text related to publication of MT-SOA CCN activity.
View article: Comment on acp-2022-803
Comment on acp-2022-803 Open
Abstract. Highly oxygenated organic molecules (HOM) play a pivotal role in the formation of secondary organic aerosol (SOA). Therefore, the distribution and yields of HOM are fundamental to understand their fate and chemic…
View article: Formation of highly oxygenated organic molecules from the oxidation of limonene by OH radical: significant contribution of H-abstraction pathway
Formation of highly oxygenated organic molecules from the oxidation of limonene by OH radical: significant contribution of H-abstraction pathway Open
Highly oxygenated organic molecules (HOM) play a pivotal role in the formation of secondary organic aerosol (SOA). Therefore, the distribution and yields of HOM are fundamental to understand their fate and chemical evolution in the atmosph…
View article: Supplementary material to "Formation of highly oxygenated organic molecules from the oxidation of limonene by OH radical: significant contribution of H-abstraction pathway"
Supplementary material to "Formation of highly oxygenated organic molecules from the oxidation of limonene by OH radical: significant contribution of H-abstraction pathway" Open
This supplement expounds the calibration coefficient of NO3--CIMS for H2SO4 and the distribution and possible formation pathway of monomers with carbon number less than 10 and dimers.Moreover, additional schemes, figures and tables are pre…
View article: dataset for MT-SOA CCN activity
dataset for MT-SOA CCN activity Open
This dump provides access to the metadata from the main text related to publication of MT-SOA CCN activity.
View article: Unexpected significance of a minor reaction pathway in daytime formation of biogenic highly oxygenated organic compounds
Unexpected significance of a minor reaction pathway in daytime formation of biogenic highly oxygenated organic compounds Open
Secondary organic aerosol (SOA), formed by oxidation of volatile organic compounds, substantially influence air quality and climate. Highly oxygenated organic molecules (HOMs), particularly those formed from biogenic monoterpenes, contribu…
View article: Case report: Plasma cell leukemia secondary to multiple myeloma successfully treated with anti-BCMA CAR-T cell therapy
Case report: Plasma cell leukemia secondary to multiple myeloma successfully treated with anti-BCMA CAR-T cell therapy Open
Chimeric antigen receptor (CAR)-T cell therapy provides an effective salvage treatment for relapsed/refractory multiple myeloma (RRMM) patients. End-stage RRMM with plasma cell leukemia (PCL) transformation is highly aggressive and resista…
View article: Identification of highly oxygenated organic molecules and their role in aerosol formation in the reaction of limonene with nitrate radical
Identification of highly oxygenated organic molecules and their role in aerosol formation in the reaction of limonene with nitrate radical Open
Nighttime NO3-initiated oxidation of biogenic volatile organic compounds (BVOCs) such as monoterpenes is important for the atmospheric formation and growth of secondary organic aerosol (SOA), which has significant impact on climate, air qu…
View article: Reply on RC1
Reply on RC1 Open
Abstract. Nighttime NO3-initiated oxidation of biogenic volatile organic compounds (BVOCs) such as monoterpenes is important for the atmospheric formation and growth of secondary organic aerosol (SO…