Articles | Volume 23, issue 16
https://doi.org/10.5194/acp-23-9585-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-9585-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Aug 2023
Research article |
| 29 Aug 2023
| 29 Aug 2023
Distinct photochemistry in glycine particles mixed with different atmospheric nitrate salts
Zhancong Liang
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China
Zhihao Cheng
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Ruifeng Zhang
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China
Yiming Qin
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Chak K. Chan
CORRESPONDING AUTHOR
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Division of Physical Science and Engineering, King Abdullah University of Science and Technology, 23955-6900 Thuwal, Saudi Arabia
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Short summary
In this study, we found that the photolysis of sodium nitrate leads to a much quicker decay of free amino acids (FAAs, with glycine as an example) in the particle phase than ammonium nitrate photolysis, which is likely due to the molecular interactions between FAAs and different nitrate salts. Since sodium nitrate likely co-exists with FAAs in the coarse-mode particles, particulate nitrate photolysis can possibly contribute to a rapid decay of FAAs and affect atmospheric nitrogen cycling.
In this study, we found that the photolysis of sodium nitrate leads to a much quicker decay of...
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