Nguyen Ly Sy Phu

Nguyen Ly Sy Phu
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Nguyen verified their affiliation via an institutional email.
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Nguyen verified their affiliation via an institutional email.
Ho Chi Minh City University of Science | HCMUS

Ph.D. in Atmospheric and Environmental Sciences
Team leader of Mercury and Metals Lab (M&M Lab) - VNUHCM University of Science, Ho Chi Minh City

About

51
Publications
7,434
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Introduction
I'm a Lecturer in the Faculty of Environment, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam. My research interests are analytical chemistry and environmental monitoring, specializing in atmospheric mercury (Hg). In addition, I also interested in research regarding aerosol chemistry and physics.
Additional affiliations
January 2020 - January 2022
National Central University
Position
  • PhD
Education
May 2020 - May 2021
National Central University
Field of study
  • Atmospheric chemistry and physic, pollution, environmental science

Publications

Publications (51)
Article
Local and regional sources contribute to degraded air quality in many urban areas, however, the influence of trans-boundary air pollution on surface PM2.5 is still poorly characterized in Southeast Asia (SEA) megacities. This study, for the first time, utilizes multi-platform datasets to elucidate two trans-boundary PM2.5 episodes in Ho Chi Minh Ci...
Article
Particulate-bound mercury (PBM) is a global environmental concern owing to its large dry deposition velocities and scavenging coefficients, both of which drive Hg into terrestrial and marine ecosystems. PBM observation studies have been widely conducted over East Asia, but comparable studies in Peninsular Southeast Asia (PSEA) remain scarce. This i...
Article
Southeast Asia (SEA) has been suggested as a hotspot of mercury (Hg) emission worldwide but research on atmospheric Hg remains scarce in this region. This study reported monitoring data of total gaseous mercury (TGM) at Ho Chi Minh City (HCMC), a tropical megacity in SEA. TGM was measured over a 6-month period (June-November) in 2022 during two dis...
Research Proposal
Special Issue Information Dear Colleagues, Anthropogenic activities have significantly increased the emission of mercury (Hg) into the environment, disrupting its natural cycles. Understanding the cycles and transformations of mercury, particularly its interactions with the atmosphere, is crucial for developing effective mitigation and risk manage...
Article
Atmospheric mercury (Hg) is a critical indoor (ID) air pollutant and necessitates stringent monitoring. However, studies have primarily focused on Hg outdoors (OD) compared to ID, with no investigations conducted within the Southeast Asia (SEA) region. In this study, total gaseous Hg (TGM) concentrations and human exposure levels were investigated...
Article
Full-text available
The application of machine learning and deep learning in air pollution management is becoming increasingly crucial, as these technologies enhance the accuracy of pollution prediction models, facilitating timely interventions and policy adjustments. They also facilitate the analysis of large datasets to identify pollution sources and trends, ultimat...
Article
Mercury (Hg) researchers have made progress in understanding atmospheric Hg, especially with respect to oxidized Hg (HgII) that can represent 2 to 20% of Hg in the atmosphere. Knowledge developed over the past ∼10 years has pointed to existing challenges with current methods for measuring atmospheric Hg concentrations and the chemical composition o...
Article
Atmospheric mercury (Hg) pollution studies in peninsular Southeast Asia (PSEA) are currently experiencing shortage on spatiotemporal coverage due to limited observation data. Therefore, our study provided year-round (May 2022–April 2023) atmospheric Hg data at two urban and one suburban site in Ho Chi Minh City (HCMC) Vietnam - a megacity in PSEA....
Chapter
Atmospheric heavy metal (HMs) pollution that impacts the environment and human health is one of the increasingly concerning problems in developing countries. Southeast Asia (SEA) is now described as a dynamic and rapidly developing region and is facing problems of air pollution, including HMs in the atmosphere. According to the International Cancer...
Chapter
Industrial wastewater is a significant environmental concern due to its diverse range of pollutants, of which fluoride is notably prevalent due to its widespread use in various industries (e.g., aluminum production, semiconductor manufacturing, glass etching, etc.). This chapter provides a comprehensive review of recent advancements in the recovery...
Article
Full-text available
Exports of atmospheric mercury (Hg) from continental East Asia, a major Hg emitter in the globe, have been reported by several studies in neighboring countries such as Japan and Korea. Nonetheless, studies concerning this topic in Southeast Asia (SEA) countries are still limited. Accordingly, gaseous elemental mercury (GEM) has been measured from C...
Article
Full-text available
Road dust samples were collected from different areas in Ho Chi Minh City (HCMC)-the largest city in Vietnam to explore pollution characteristics , ecological and human health risks, and sources of heavy metals (HMs). Results revealed the level of HMs found in the samples from residential and industrial zones of HCMC in the order of Mn > Zn > Cu >...
Article
Full-text available
Mercury (Hg) is a global pollutant that has gained monumental attention in recent decades due to its neurotoxicity and great bioaccumulation features. The atmosphere plays a key role in the movement of Hg in the environment, and residential combustion is a significant contributor to atmospheric Hg. However, there is a severe lack of research on the...
Article
Full-text available
Mercury (Hg) is a toxic of global concern due to its bioaccumulation in the environment and the atmosphere which is an important environment in the biogeochemical cycle of Hg. IO-5 method (USEPA) is the most common analysis method to measure the concentration of atmospheric Hg. However, few studies have been done in tropical monsoonal areas such as...
Article
Mercury (Hg) in street dust has gained prominent research attention in several regions worldwide owing to its implication as an environmental risk. However, similar studies in Southeast Asia (SEA) remain scarce. In this study, the characteristics, distribution, source apportionment and risk evaluation of Hg in street dust samples collected in 2020...
Article
Full-text available
Air pollution has become an essential issue in environmental protection. The Air Quality Index (AQI) is often used to determine the severity of air pollution. When the AQI reaches the red level, the proportion of asthma patients seeking medical treatment will increase by 30% more than usual. If the AQI can be predicted in advance, the benefits of e...
Article
Volcanic eruptions are important natural sources of gases and aerosols to the environment. However, their impact on the global cycle of trace elements, including mercury (Hg), remains poorly understood. On 9 April 2021, La Soufrière volcano (13.33°N, 61.18°W) erupted in the Caribbean Sea. Ozone Monitoring Instrument (OMI) measurements of sulfur dio...
Article
Full-text available
Airborne particulate matter (PM) pollution is a global concern, in which partitioned heavy metals (HMs) could impose great risks to residents living in metropolitan areas. In this study, PM10 samples were collected in Ho Chi Minh City (HCMC) – a megacity in southern Vietnam – and analyzed for 11 HMs to investigate their concentration profiles, perf...
Article
Full-text available
The present study focused on investigating the contamination and risk assessment for 16 met- als in street dust fromHa Noi highway, Ho Chi Minh City. The results indicated that the concentrations of metals (mg/kg) were found, in decreasing order, to be Ti (676.3 ± 155.4) > Zn (519.2 ± 318.9) >Mn (426.6 ±113.1) > Cu (144.7 ± 61.5) > Cr (81.4 ± 22.6)...
Article
Southeast Asia is a major biomass burning (BB) source area and BB has been identified as an important source of mercury (Hg) and aerosols to the atmosphere. Previous studies found correlations between atmospheric Hg and Delta-C (BC370–BC880) during the BB episodes in low-elevation BB source areas; however, whether this relationship persists during...
Article
Full-text available
In recent years, with rapid economic development, air pollution has become extremely serious, causing many negative effects on health, environment and medical costs. PM2.5 is one of the main components of air pollution. Therefore, it is necessary to know the PM2.5 air quality in advance for health. Many studies on air quality are based on the gover...
Article
Gas-particle partitioning of oxidized mercury (Hg) plays an important role in governing the speciation, transport and deposition of atmospheric Hg. Although studies on gas-particle partitioning of oxidized Hg have been conducted at some urban sites, comparable studies at remote mountain sites are still limited. This study analyzes multi-year (2014–...
Article
Full-text available
This study investigates distribution, pollution indices, and potential risk assessment for human health and ecology of eight heavy metals in twenty-five street dust samples collected from metropolitan area—Ho Chi Minh City, Vietnam. Results showed that Zn was of the highest concentration (466.4 ± 236.5 mg/kg), followed by Mn (393.9 ± 93.2 mg/kg), C...
Thesis
Global anthropogenic emission inventories indicated that Asia is the region with the greatest proportion of anthropogenic mercury (Hg) emissions to the atmosphere, particularly in East and Southeast Asia. In addition, recent observation and modeling studies suggested that tropical forest areas may be hotspots of atmospheric Hg depositions. However,...
Article
Gaseous elemental mercury (GEM), gaseous oxidized mercury (GOM), particulate-bound mercury (PBM), and the isotopic composition of total gaseous mercury (TGM = GEM + GOM) were measured at the Lulin Atmospheric Background Station (LABS), a mountain background site downwind of the East Asia continent, from February 2015 to January 2016. Mean (±S.D.) c...
Article
Full-text available
In the current period, with the development of economy, science, and technology, people's lives have been improved, leading to an increasing demand for water use. Thus, one of the main current concerns is the increased pollution of surface water and groundwater. Especially water pollution by pesticides is a serious problem. In this study, the waste...
Article
Springtime biomass burning (BB) in peninsular Southeast Asia (PSEA) has a large impact on the downwind air quality as has been frequently observed at the Lulin Atmospheric Background Station (LABS). Numerous PSEA BB long-range transport events have been observed at LABS in the past decade, of which the biggest event (based on the carbon monoxide (C...
Article
Atmospheric mercury (Hg) has been monitored at the Lulin Atmospheric Background Station in Taiwan since April 2006 and is still continuing. Here we reported the trend in gaseous elemental Hg (GEM) concentrations at LABS between April 2006 and December 2016, before the Minamata Convention on Mercury entered into force in 2017. Previous research indi...
Article
Abstract Concentrations of gaseous elemental mercury (GEM), gaseous oxidized mercury (GOM), and particle-bound mercury (PBM) were measured at a suburban site in northern Taiwan between October 2017 and September 2018. Mean concentrations of GEM, GOM, and PBM were 2.61 ± 6.47 ng m−3, 12.1 ± 34.3 pg m−3, and 18.7 ± 86.8 pg m−3, respectively. On 35% o...
Article
Atmospheric deposition, either dry or wet, has been identified as an important pathway of mercury (Hg) input to terrestrial and aquatic systems. Although East Asia is the major atmospheric Hg emission source region, very few studies have been conducted to quantify atmospheric Hg deposition in its downwind region. In this study, 8-year (2009–2016) a...
Article
Full-text available
The Asia Pacific Mercury Monitoring Network (APMMN) cooperatively measures mercury in precipitation in a network of sites operating in Asia and the Western Pacific region. The network addresses significant data gaps in a region where mercury emission estimates are the highest globally, and available measurement data are limited. The reduction of me...
Article
Residual levels of organochlorine and organophosphorus pesticides in surface water in some agricultural areas in Ho Chi Minh City was investigated in 2013. Five organophosphorus pesticides including Diazinon, Malathion, Parathion, Ethion and Trithion and eight organochlorine pesticides including Alpha - HCH, beta-HCH, gamma-HCH, Aldrin, Heptachlor...
Article
Full-text available
Since 2013, the Ministry of Natural Resources and Environment published the revision of the “National Technical Regulation on Ambient Air Quality” (QCVN 05:2013/BTNMT), in which the fine particulate matter (PM2.5) was added to the QCVN. However, the status and the temporal variation of PM2.5 in Ho Chi Minh City (HCMC) have not been reported so far,...
Article
Full-text available
Rainwater samples were collected between 2010 and 2013 at Lulin Atmospheric Background Station (LABS) to study the distribution and characteristics of wet mercury (Hg) deposition, and possible driving mechanisms. Sample Hg concentrations ranged from 0.8 to 35.1 ng L-1 with an overall volume-weighted mean (VWM) concentration of 9.2 ng L-1. Annual we...
Conference Paper
Biomass burning (BB) in Indochina during springtime plays a great impact on the air quality of downwind regions, that was continuously obtained at the 2,862 m Lulin Atmospheric Background Station (LABS). In this study, we will combine the data from LABS, Modern-Era Retrospective analysis for Research and Applications (MERRA) reanalysis, and satelli...
Article
Metal contamination is one of the major issues to the environment worldwide, yet it is poorly known how exposure to metals affects tropical species. We assessed the sensitivity of a tropical micro-crustacean Daphnia lumholtzi to three trace metals: copper (Cu), zinc (Zn) and nickel (Ni). Both, acute and chronic toxicity tests were conducted with me...
Article
Full-text available
Trihalomethanes (THMs) are byproducts of the process of disinfecting water with chlorine, in which, 4 compounds are most interested such as chloroform (CF), bromodichloromethane (BDCM), dibromochloromethane (DBCM) and bromoform (BF). These DBPs even at very low concentrations pose harmful health effects. These health risks may include cancers, repr...
Article
Full-text available
This study focuses on removing the metals: chromium, nickel, zinc and copper in high concentrations (particularly with chromium, whose concentration went up to 350 ppm) in plating wastewater by electrocoagulation (EC) method using direct current (DC). The wastewater was contained in a 2 L batch airlift reactor; pure oxygen 99.9 % was blown into the...
Article
Arthropogenic pollutants are among the most serious problems to aquatic environment. They not only cause the water quality degradation but also induce severe impacts on aquatic organisms. In this study, we investigated the negative effects of surface water contaminated with pollutants from human activities collected from Xuan Huong lake, Da Lat cit...
Article
Full-text available
Residual levels of organochlorine and organophosphorus pesticides in surface water in some agricultural areas at Ho Chi Minh City were investigated in 2012. Four organophosphorus pesticides including Malathion, Parathion, Ethion and Trithion and seven organochlorine pesticides including Alpha - HCH, beta-HCH, gammaHCH, aldrin, Heptachlor – epoxide,...
Article
Full-text available
This research aimed at investigating the species of microorganisms from activated sludge is capable of handling gas-containing phenol vapor by means of trickling biofilter. By isolating and culturing microorganisms, two species, Bacillus pumilus and Bacillus thuringiensis, was discovered to dominate in phenol vapor removal equipment with high effic...

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