Keyan Chen

ORCID: 0009-0007-1987-7098
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About
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Research Areas
  • Urban Heat Island Mitigation
  • Urban Green Space and Health
  • Microbial Fuel Cells and Bioremediation
  • Wastewater Treatment and Nitrogen Removal
  • Land Use and Ecosystem Services
  • Phosphorus and nutrient management
  • Noise Effects and Management
  • Liver Disease Diagnosis and Treatment
  • Advanced Image and Video Retrieval Techniques
  • Diet and metabolism studies
  • Diet, Metabolism, and Disease
  • Microbial Community Ecology and Physiology
  • Ammonia Synthesis and Nitrogen Reduction
  • Geographic Information Systems Studies
  • Air Quality and Health Impacts
  • IL-33, ST2, and ILC Pathways
  • Remote-Sensing Image Classification
  • Adsorption and biosorption for pollutant removal
  • Advanced Sensor and Energy Harvesting Materials
  • Eosinophilic Esophagitis
  • Aerogels and thermal insulation
  • Immune Cell Function and Interaction

China Medical University
2024

Shenzhen University
2023-2024

Fujian Agriculture and Forestry University
2023-2024

Peking University
2022

Peking University Third Hospital
2022

Wuhan University
2020

Denitrification is an essential step of the nitrogen cycle in soil. However, although sunlight important environmental factor for soil, investigation influence on soil denitrification limited to plant photosynthesis-mediated processes. Herein, a new pathway, denoted as biophotoelectrochemical process, which induced by direct photoexcitation was found greatly enhance denitrification. Using red research object, with irradiation showed nitrate reduction that 2.6-4.7 times faster than without...

10.1021/acs.est.3c00236 article EN Environmental Science & Technology 2023-05-11

Abstract According to the Correa model, intestinal-type gastric cancer (GC) is preceded by premalignant lesions, including chronic gastritis, intestinal metaplasia and dysplasia. However, dynamic change of innate adaptive immune response during this process has not been studied comprehensively. In study, we performed a comprehensive trajectory analysis circulating lymphoid cells (ILCs) Th lymphocytes subtypes in patients spanning cascade lesions. Increased ILC2s frequency was found stage GC...

10.1002/jlb.5ma0422-505r article EN Journal of Leukocyte Biology 2022-06-03

Urban secondary wilderness (USWs) is a near-natural place in cities and an important link to reconnect humans with the natural world. Assessing perceptual elements of USWs not only provides insight into public perceptions preferences, but also helps further explore its relevance experiential values such as environmental restoration benefits. In this study, we selected three cases located Fuzhou, capital city Fujian Province, China, constructed evaluation system containing two types...

10.3390/su16177383 article EN Sustainability 2024-08-27

This study investigates the molecular complexities of Non-alcoholic Fatty Liver Disease (NAFLD)-induced brain dysfunction, with a focus on liver-intestine-brain axis and potential therapeutic interventions. The main objectives include understanding critical microbiota shifts in NAFLD, exploring altered metabolites, identifying key regulatory molecules influencing function. methods employed encompassed 16S rRNA sequencing to scrutinize stool NAFLD patients healthy individuals, non-targeted...

10.1016/j.jpha.2024.101077 article EN cc-by-nc-nd Journal of Pharmaceutical Analysis 2024-08-01

Temporal image analysis in remote sensing has traditionally centered on change detection, which identifies regions of between images captured at different times. However, detection remains limited by its focus visual-level interpretation, often lacking contextual or descriptive information. The rise Vision-Language Models (VLMs) introduced a new dimension to temporal integrating visual information with natural language, creating an avenue for advanced interpretation changes. Remote Sensing...

10.48550/arxiv.2412.02573 preprint EN arXiv (Cornell University) 2024-12-03
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