Compositional and surface characterization of HULIS by UV-Vis, FTIR, NMR and XPS: Wintertime study in Northern India
Sign Up to like & getrecommendations! Published in 2017 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2017.06.008
Abstract: Abstract This study (first attempt) characterizes HULIS (Humic Like Substances) in wintertime aerosols (n = 12 during day and nighttime each) from Indo-Gangetic Plain (IGP, at Kanpur) by using various state-of-the art techniques such as UV-VIS, FTIR,… read more here.
Keywords: ftir nmr; hulis; nmr xps; surface ... See more keywords
Characterization of humic-like substances in PM2.5 during biomass burning episodes on Weizhou Island, China
Sign Up to like & getrecommendations! Published in 2018 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2018.08.023
Abstract: Abstract To investigate chemical characteristics and sources of humic-like substances (HULIS) in the background region of Southwest China, daily PM2.5 samples were collected on Weizhou Island from 14 March 2015 to 14 April 2015. Water… read more here.
Keywords: hulis; biomass burning; humic like; weizhou island ... See more keywords
Optical properties, source apportionment and redox activity of humic-like substances (HULIS) in airborne fine particulates in Hong Kong.
Sign Up to like & getrecommendations! Published in 2019 at "Environmental pollution"
DOI: 10.1016/j.envpol.2019.113087
Abstract: Humic-like substances (HULIS) account for a considerable fraction of water-soluble organic matter (WSOM) in ambient fine particulates (PM2.5) over the world. However, systemic studies regarding the chemical characteristics, sources and redox activity of HULIS are… read more here.
Keywords: activity; hulis; optical properties; biomass burning ... See more keywords
Atmospheric HULIS and its ability to mediate the reactive oxygen species (ROS): A review.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of environmental sciences"
DOI: 10.1016/j.jes.2017.12.004
Abstract: Atmospheric humic-like substances (HULIS) are not only an unresolved mixture of macro-organic compounds but also powerful chelating agents in atmospheric particulate matters (PMs); impacting on both the properties of aerosol particles and health effects by… read more here.
Keywords: reactive oxygen; oxygen species; species ros; hulis ... See more keywords
pH-Dependent Chemical Transformations of Humic-Like Substances and Further Cognitions Revealed by Optical Methods.
Sign Up to like & getrecommendations! Published in 2022 at "Environmental science & technology"
DOI: 10.1021/acs.est.1c07729
Abstract: Humic-like substances (HULIS) are macromolecular complex groups in water-soluble organic compounds (WSOC). pH is a crucial factor that influences the chemical transformations of HULIS in atmospheric particles, but this has been rarely investigated, especially under… read more here.
Keywords: like substances; chemical transformations; hulis; humic like ... See more keywords
Size-Resolved Redox Activity and Cytotoxicity of Water-Soluble Urban Atmospheric Particulate Matter: Assessing Contributions from Chemical Components
Sign Up to like & getrecommendations! Published in 2023 at "Toxics"
DOI: 10.3390/toxics11010059
Abstract: Throughout the cold and the warm periods of 2020, chemical and toxicological characterization of the water-soluble fraction of size segregated particulate matter (PM) (7.2 μm) was conducted in the urban agglomeration of Thessaloniki, northern Greece.… read more here.
Keywords: water; particulate matter; hulis; size ... See more keywords