Dejun Sun

ORCID: 0000-0003-0841-1501
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About
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Research Areas
  • Pickering emulsions and particle stabilization
  • Surfactants and Colloidal Systems
  • Enhanced Oil Recovery Techniques
  • Proteins in Food Systems
  • Layered Double Hydroxides Synthesis and Applications
  • Petroleum Processing and Analysis
  • Asthma and respiratory diseases
  • Adsorption and biosorption for pollutant removal
  • Hydrocarbon exploration and reservoir analysis
  • Surface Modification and Superhydrophobicity
  • Nanomaterials for catalytic reactions
  • Clay minerals and soil interactions
  • Mesoporous Materials and Catalysis
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Advanced Sensor and Energy Harvesting Materials
  • Polymer Surface Interaction Studies
  • Respiratory and Cough-Related Research
  • Drilling and Well Engineering
  • Conducting polymers and applications
  • Polymer Nanocomposites and Properties
  • Membrane Separation Technologies
  • Graphene and Nanomaterials Applications
  • Porphyrin and Phthalocyanine Chemistry
  • Covalent Organic Framework Applications
  • Hydraulic Fracturing and Reservoir Analysis

Shandong University
2016-2025

Inner Mongolia People's Hospital
2016-2025

Interface (United Kingdom)
2025

University of Science and Technology of China
2022-2024

State Council of the People's Republic of China
2024

Qingdao University
2022-2023

Lishui Central Hospital
2022

First Affiliated Hospital of Guangzhou Medical University
2020

Guangzhou Medical University
2020

Jilin University
2014-2017

The combination of both homo- and hetero-junctions in one catalyst can significantly improve the catalytic activity for H<sub>2</sub>evolution from water.

10.1039/c6ee02414a article EN Energy & Environmental Science 2016-11-17

10.1016/j.colsurfa.2007.11.010 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2007-11-27

10.1016/j.colsurfa.2014.10.020 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2014-10-16

10.1016/j.colsurfa.2015.07.055 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2015-08-01

Ostwald ripening, the dominant mechanism of droplet size growth for an O/W nanoemulsion at high surfactant concentrations, depends on micelles in water phase and aqueous solubility oil, especially spontaneously formed nanoemulsions. In our study, nanoemulsions were by mixing a with oil containing fatty alcohol polyoxypropylene polyoxyethylene ether (APE). By monitoring periodically via dynamic light scattering, we demonstrated that are stable against i.e., growth. contrast, droplets grew...

10.1021/acs.langmuir.3c03019 article EN Langmuir 2024-01-04

Accurate diagnosis of chronic obstructive pulmonary disease (COPD) and exacerbations by metabolic biomarkers enables individualized treatment. Advanced detection platforms rely on designed materials. Here, we design mesoporous PdPt alloys to characterize fingerprints for diagnosing COPD exacerbations. As a result, the optimized enable acquisition within seconds, requiring only 0.5 μL native plasma laser desorption/ionization mass spectrometry owing enhanced electric field, photothermal...

10.1021/acscentsci.3c01201 article EN cc-by ACS Central Science 2024-01-27

10.1016/j.colsurfa.2008.03.020 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2008-03-26

Oil-in-water nanoemulsions were produced in the system water/Span 80–Tween 80/paraffin oil via phase inversion composition (PIC) method at elevated temperature. With increase of preparation temperature from 20 to 70 °C, we found that emulsion droplet diameter decreases 10.3 μm 51 nm, proving formation nanoemulsions. The viscosity clearly increases with volume fraction, φ, but size changes less. Significantly, φ ≤ 0.5, distribution can be kept unchangeable more than 5 months. These results...

10.1021/la302995a article EN Langmuir 2012-09-18

By utilizing the synergistic effect of chitosan (CS), magnetite (Fe3O4) particles, and graphene oxide (GO), a series efficient eco-friendly chitosan/magnetite-graphene (CS/MGO) composites were fabricated through facile chemical route. First, Fe3O4 particles chemically deposited on surface GO to fabricate MGO hybrid. Then, was attached sheets, assembling CS/MGO composites. According results characterization, covalent Fe-O-C bonds, electrostatic attraction, hydrogen bonding between GO, Fe3O4,...

10.1038/s41598-018-33925-7 article EN cc-by Scientific Reports 2018-10-12

Crude oil contaminated soil has been widely recognized to constitute a major environmental issue due its adverse effects on human health and ecological safety. The main objective of this study is explore the possibility using an ex situ solvent/surfactant washing technique for remediation crude oil-contaminated soil. Three organic solvents (methanol, acetone, toluene) one surfactant (AES-D-OA) were employed form three kinds systems, utilized evaluate desorption performance from Natural soil,...

10.1039/c8ra09964b article EN cc-by-nc RSC Advances 2019-01-01

Dynamic covalent surfactants were designed to prepare pH switchable emulsions. A dynamic bond between nonamphiphilic building blocks (polyethylenimine (PEI) and benzaldehyde (B)) was introduced form the surfactant PEI-B. The nature of in PEI-B confirmed by 1H NMR fluorescence probe analysis. Stable emulsions successfully prepared with interfacial active at 7.8 various water/paraffin oil ratios under sonication. When lowering 3.5, a complete phase separation observed as result breaking After...

10.1021/acs.langmuir.6b04546 article EN Langmuir 2017-03-10

Background: Serum anion gap (AG) has been proven to be associated with prognosis in critically ill patients. However, few studies have investigated the association between AG and all-cause mortality patients chronic obstructive pulmonary disease (COPD). Objective: We hypothesized that initial level would predict risk COPD. Methods: This retrospective cohort study was based on Medical Information Mart for Intensive Care (MIMIC) IV database. extracted demographics, vital signs, laboratory...

10.2147/copd.s433619 article EN cc-by-nc International Journal of COPD 2024-02-01

10.1016/j.colsurfa.2009.12.003 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2009-12-06
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