Changdong Ke

ORCID: 0000-0003-3297-8858
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About
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Research Areas
  • Mine drainage and remediation techniques
  • Arsenic contamination and mitigation
  • Metal Extraction and Bioleaching
  • Chromium effects and bioremediation
  • Microbial Community Ecology and Physiology
  • Heavy metals in environment
  • Antimicrobial agents and applications
  • Biosensors and Analytical Detection
  • Microplastics and Plastic Pollution
  • Heavy Metal Exposure and Toxicity
  • Wastewater Treatment and Nitrogen Removal
  • Pancreatic and Hepatic Oncology Research
  • Alkaline Phosphatase Research Studies
  • Advanced Nanomaterials in Catalysis
  • Minerals Flotation and Separation Techniques
  • Algal biology and biofuel production
  • Corrosion Behavior and Inhibition
  • Groundwater flow and contamination studies
  • Microbial Fuel Cells and Bioremediation
  • Fecal contamination and water quality
  • Mercury impact and mitigation studies
  • Recycling and Waste Management Techniques
  • Advanced Chemical Sensor Technologies
  • Fluoride Effects and Removal
  • Geochemistry and Elemental Analysis

Ministry of Ecology and Environment
2023-2025

Guangzhou Institute of Geochemistry
2025

Chinese Academy of Sciences
2025

South China Institute Of Environmental Sciences
2024

South China University of Technology
2020-2023

Huaqiao University
2018-2020

Bridge University
2019

King Saud University
2019

Fujian Agriculture and Forestry University
2019

Fecal contamination is an important source for the emergence of antibiotic resistance genes (ARGs) worldwide. Identifying host sources ARGs and distinguishing whether increased abundance ARGs...

10.1039/d5em00070j article EN Environmental Science Processes & Impacts 2025-01-01

Iron sulfide nanoparticles ( e.g. , FeS NPs), which are ubiquitous in sulfate (SO 4 2− )-rich anaerobic environments, can act as an electrical wire for long-distance extracellular electron transfer (EET) and bridge spatially discrete redox environments.

10.1039/d3en00316g article EN Environmental Science Nano 2023-01-01

Schwertmannite exists in the environments rich iron and sulfate. Microbes that use or sulfate can cause phase transition of Sch, further resulting redistribution coexist-pollutants. However, how S/Fe molar ratio affects microbial-mediated Sch transformation fate Cd have not yet been clarified. Here, this study investigated effect on minerals during microbial reduction Cd-loaded by Desulfovibrio vulgaris. The presence retarded process reduction, whereas increase helped SRB resist toxicity...

10.2139/ssrn.4717814 preprint EN 2024-01-01

Abstract Background: Arsenic (As) methylation is regarded as a potential way to volatize and thereby remove As from the environment. However, most microorganisms conducting display low volatilization efficiency limited by efflux transporters both processes compete for arsenite [As(III)]. In study, we deleted arsB acr3 Rhodopseudomonas palustris CGA009, good model organism studying detoxification, further investigated effect of As(III) on methylation. Results: Two mutants were obtained gene...

10.21203/rs.2.10508/v1 preprint EN cc-by Research Square (Research Square) 2019-07-04

Schwertmannite (Sch) is an iron-hydroxysulfate mineral commonly found in acid mine drainage contaminated environment. The transformation mechanism of Sch mediated by pure cultured iron-reducing bacteria (FeRB) or sulfate-reducing (SRB) has been studied. However, FeRB and SRB widely coexist the environment, consortia still unclear. This study investigated reduction co-cultured Shewanella oneidensis Desulfosporosinus meridiei (SRB). results showed that co-culture could accelerate reductive...

10.2139/ssrn.4239565 article EN SSRN Electronic Journal 2022-01-01

Nanoplastics and dissolved organic matter (DOM) are extensively distributed in sewage. Thiobacillus denitrificans, a typical denitrifying bacterium, has been widely applied the treatment of nitrogen-containing wastewater because no additional carbon sources required. The effects nanoplastics on growth denitrification capacity T. denitrificans unclear. Here, different sizes (100 nm 350 nm) polystyrene (PS-NPs) combined with DOMs (fulvic acid, humic acid sodium alginate) ability were...

10.2139/ssrn.4312940 article EN SSRN Electronic Journal 2022-01-01
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