A5089527698- Atmospheric chemistry and aerosols
- Fire effects on ecosystems
- Air Quality and Health Impacts
- Atmospheric and Environmental Gas Dynamics
- Atmospheric Ozone and Climate
- Air Quality Monitoring and Forecasting
- Fire dynamics and safety research
- Fire Detection and Safety Systems
- Metal-Organic Frameworks: Synthesis and Applications
- Toxic Organic Pollutants Impact
- Evacuation and Crowd Dynamics
- Vehicle emissions and performance
- Botulinum Toxin and Related Neurological Disorders
- Electrochemical sensors and biosensors
- Nanoplatforms for cancer theranostics
- Facial Rejuvenation and Surgery Techniques
- Photoacoustic and Ultrasonic Imaging
- Advanced Numerical Analysis Techniques
- Cardiac Valve Diseases and Treatments
- Indoor Air Quality and Microbial Exposure
- Flame retardant materials and properties
- Covalent Organic Framework Applications
- Microbial Fuel Cells and Bioremediation
- Safety and Risk Management
- Distributed and Parallel Computing Systems
Sichuan University
2022-2025
West China Hospital of Sichuan University
2022-2025
Michigan State University
2024-2025
Chinese Academy of Medical Sciences & Peking Union Medical College
2025
University of California, Berkeley
2018-2024
North China Electric Power University
2024
Northeast Electric Power University
2024
Guangzhou University
2024
Xi’an International University
2024
Xi'an University of Architecture and Technology
2024
Significance Wildfires are an increasingly large source of particulate matter (PM 2.5 ) in the western United States. Previous characterizations exposure to wildfire smoke particles were based mainly on outdoor concentrations PM . Since people shelter indoors during events, infiltration into buildings determines exposure. We present analysis more than 1,400 California using 2.4 million sensor hours data from PurpleAir network. Our study reveals that days was substantially reduced compared...
Four super water-stable isostructural lanthanide-organic frameworks, [Ln(HL)(H2O)2]n·2H2O (1-Ln) (Ln = Eu, Tb, Nd and Sm), have been successfully synthesized under hydrothermal conditions with 3,5-di(2,4-dicarboxylphenyl)pyridine (H4L) Ln(NO3)3·6H2O. 1-Ln shows a novel 2D layered structure uncoordinated carboxylic pyridyl groups pointing to the interior of interlayer channels. The luminescent properties 1-Eu in solid state one steeped aqueous solution measured, which show excellent...
Nitrous acid (HONO) is an important source of hydroxyl radical (OH) that determines the fate many chemically active and climate relevant trace gases. However, sources formation mechanisms HONO remain poorly understood. In this study, effect SO2 on heterogeneous reactions NO2 MgO as a mineral dust surrogate was investigated. The reactivity to weak, while coexisting can increase uptake coefficients by 2-3 orders magnitude. SO2-aged are independent concentrations in range 20-160 ppbv relative...
Abstract. Wildfires have become more common and intense in the western US over recent decades due to a combination of historical land management practices warming climate. Emissions from large-scale fires now frequently affect populated regions such as San Francisco Bay Area during fall wildfire season, with documented impacts resulting particulate matter on human health. Health exposure emissions depend chemical composition matter, but molecular real biomass burning organic aerosol (BBOA)...
Building conditions, outdoor climate, and human behavior influence residential concentrations of fine particulate matter (PM2.5). To study PM2.5 spatiotemporal variability in residences, we acquired paired indoor measurements at 3,977 residences across the United States totaling >10,000 monitor-years time-resolved data (10-min resolution) from PurpleAir network. Time-series analysis statistical modeling apportioned to sources (median contribution = 52% total, coefficient variation 69%),...
Nitrous acid (HONO) is an important precursor of OH radicals in the atmosphere. In urban areas, emissions from vehicles are main source air pollutants, including reactive nitrogen. Previously reported emission ratios HONO (HONO/NOx) were measured late 1990s and need to be updated due significant changes control technologies. We ratio a fleet (38% diesel on average) March 11 21, 2015, road tunnel Hong Kong. The 1.24% (±0.35%) obtained greater than commonly adopted 0.8% or 0.3%. elevated found...
An unusual porous metal-organic framework has been synthesized by using Pb(II) and rigid V-shaped 4,4'-(pyridine-3,5-diyl)diisophthalic acid (H4L). Structure analysis reveals that there exist 1D cylindrical 14.26 Å triangular prism 10.69 × Å3 nanotubes in the framework. Gas sorption behavior of nanoporous MOF shows a relatively high capacity selectivity CO2 over CH4.
The uptake of dinitrogen pentoxide (N2O5) on aerosols affects the nocturnal removal NOx and particulate nitrate formation in atmosphere. This study investigates N2O5 processes using field observations from an urban site Beijing during April–May 2017, a period characterized by dry weather conditions. For first time, very large rate (k(N2O5) up to ~0.01 s−1) was observed sand storm event, coefficient (γ(N2O5)) estimated be 0.044. γ(N2O5) air masses also determined exhibited moderate...
In the western United States, number and severity of large wildfires have been growing for decades. Biomass burning (BB) is a major source volatile organic compounds (VOCs) to atmosphere both globally regionally. Following emission, BB VOCs are oxidized while being transported downwind, producing ozone, secondary aerosols, hazardous VOCs. this research, we measured using proton transfer reaction time-of-flight mass spectrometry (PTR-ToF-MS) in an urban area 55–65 km downwind October 2017...
Abstract. The size and frequency of wildfires in the western United States have been increasing, this trend is projected to continue, with increasing adverse consequences for human health. Gas- particle-phase organic compounds are main components wildfire emissions. Some directly emitted hazardous air pollutants, while others can react oxidants form secondary pollutants such as ozone aerosol (SOA). Further, particle phase volatize during smoke transport then serve precursors SOA. extent...
Microchannels often serve as highways for cancer migration, and their topology largely determines the migration efficiency. Curvature, a topological parameter in biological systems, has recently been reported to be efficient guiding cell polarization migration. Curvature varies widely along curved microchannels, while its influence on remains elusive. Here, we recapitulated observed clinical tumor tissues with hydrogels, studied how cells respond curvature. We found that bend more...
Brown carbon light absorptivity is associated with organic aerosol volatility and elemental concentrations.
The chemical composition of incense-generated organic aerosol in residential indoor air has received limited attention Western literature. In this study, we conducted incense burning experiments a single-family California residence during vacancy. We report the fine particulate matter (PM
Hyaluronic acid filler treatment is increasingly prevalent in the realm of plastic surgery, serving to correct a range facial changes resulting from aging. Nevertheless, with its expanded application, an uptick complications has been observed. This article reported 30-year-old female patient who received chin hyaluronic 5 years ago started experiencing atrophy and progressive deterioration at injection site year ago. Currently, she presents pronounced depression beneath left corner her...
Botulinum toxin, as a common facial wrinkle removal product, can be used for rejuvenation or improvement of skin texture, which is commonly cosmetic injectable product. However, botulinum toxin may lead to decreased immune function, causing series subsequent complications. This case report describes 32-year-old female patient who developed herpes zoster after receiving injections semaglutide, and hyaluronic acid. Viral infection function are triggers zoster. After injection the local...
Objective: To evaluate the feasibility of transjugular transcatheter tricuspid valve replacement (TTVR) using LuX-Valve Plus system (Ningbo Jenscare Scientific, China) for treatment severe regurgitation in real-world clinical settings. Methods: This prospective study enrolled 81 patients with ricuspid (≥3+) who underwent TTVR at Department Cardiology, West China Hospital Sichuan University between May 2022 and March 2024. Among them, 44 were from a compassionate-use study, 37 two premarket...
The accidental introduction of hyaluronic acid into blood vessels during injection may result in vascular embolism. Such blockages obstruct flow to specific areas, leading tissue ischemia, hypoxia, and potentially severe complications such as skin necrosis. This report presents the case a 35-year-old woman who experienced an embolism following nasolabial injection, which was successfully treated with intravascular hyaluronidase guided by ultrasound techniques. Utilizing technology, embolized...
Abstract. Styrene is emitted by anthropogenic sources and biomass burning highly reactive towards atmospheric oxidants. While it has the highest nitrate radical (NO3) reactivity among aromatic hydrocarbons, NO3 oxidation of styrene formation mechanisms secondary organic aerosols (SOA) have not been investigated. In this study, we conduct chamber experiments with concentrations ranging from 9.5 to 155.2 ppb. The resulting SOA yields range 14.0 % 22.1 aerosol mass loadings 5.9–147.6 µg m−3...