Kai Cheng

ORCID: 0009-0008-3329-7003
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About
Contact & Profiles
Research Areas
  • NMR spectroscopy and applications
  • Soil and Unsaturated Flow
  • Membrane Separation Technologies
  • Hydraulic Fracturing and Reservoir Analysis
  • Hydrocarbon exploration and reservoir analysis
  • Groundwater flow and contamination studies
  • Advanced Sensor and Energy Harvesting Materials
  • Clay minerals and soil interactions
  • Marine and coastal ecosystems
  • Advanced MRI Techniques and Applications
  • Atmospheric chemistry and aerosols
  • Agricultural Science and Fertilization
  • Microbial Fuel Cells and Bioremediation
  • Enhanced Oil Recovery Techniques
  • Surface Modification and Superhydrophobicity
  • Anaerobic Digestion and Biogas Production
  • Seismic Imaging and Inversion Techniques
  • Nanocluster Synthesis and Applications
  • Polymer Surface Interaction Studies
  • Wastewater Treatment and Nitrogen Removal
  • Coal and Its By-products
  • Orthopaedic implants and arthroplasty
  • Conducting polymers and applications
  • Allelopathy and phytotoxic interactions
  • Advanced oxidation water treatment

Texas A&M University
2014-2025

Chang'an University
2023-2024

Ministry of Water Resources of the People's Republic of China
2024

Guangzhou First People's Hospital
2024

Jiangsu University
2023

Tsinghua University
2022

Benchmark Research (United States)
2021

Tianjin University
2020-2021

Southern Methodist University
2021

Wuhan Institute of Physics and Mathematics
2018

This study quantifies the contribution of H2O2-dependent pathway to hydroxyl radical (•OH) production from photolysis dissolved organic matter (DOM). •OH formation rates were cross-validated using benzoate and terephthalate as probe compounds for diverse DOM sources (reference isolates whole waters). Catalase addition revealed that accounts 10-20% total in isolate materials, but no significant correlation was observed between ambient iron (Fe) concentrations formation. lack likely due lower...

10.1021/acs.est.4c10348 article EN cc-by Environmental Science & Technology 2025-01-17

Singlet oxygen (1O2) is an important reactive species in natural waters produced during photolysis of dissolved organic matter (DOM). Prior studies have demonstrated that 1O2 exhibits a microheterogeneous distribution, with [1O2] the interior DOM macromolecules ∼30 to 1000-fold greater than bulk solution. The profile for DOM-containing solutions has been determined mainly by use hydrophobic probes, which are not commercially available. In this study, we employed dual-probe method combining...

10.1021/acs.est.3c01726 article EN cc-by Environmental Science & Technology 2023-05-02

This communication demonstrates superparamagnetic nanosized particles with a magnetic core and porous carbon shell (thickness of 11 nm), which can remove 97% Pb2+ ions from an acidic aqueous solution at ion concentration 100 mg L−1. It is suggested that weak electrostatic force attraction between the heavy metal nanoparticles adsorption on mesopore contribute most to superior removal property.

10.1039/c0dt01170c article EN Dalton Transactions 2010-11-24

The protonation state of dissolved organic matter (DOM) impacts its structure and function in natural engineered environmental systems, including DOM's ability to absorb light form photochemically produced reactive intermediates (PPRI).

10.1039/d3em00316g article EN Environmental Science Processes & Impacts 2023-01-01

Summary Nuclear-magnetic-resonance (NMR) measurements are considered among the most-reliable methods to evaluate porosity and pore-size distribution in fluid-bearing rocks. However, reservoirs with complex pore geometry, there is still a challenge interpret accurately NMR relaxometry data petrophysical properties of these such as interconnected porosity. In this paper, we introduce application nanoparticle contrast agents improve assessment measurements. The comparison before after injection...

10.2118/170792-pa article EN SPE Reservoir Evaluation & Engineering 2015-12-29

Abstract Reliable detection of propping agents in fractures has been a challenge for the petroleum industry. Researchers are currently investigating application nanoparticles as contrast reservoir characterization and advanced surveillance. This paper demonstrates use mixed with proppants that can enhance signals from borehole geophysical measurements, thereby improving hydraulic fractures. The methods used this study include both laboratory experiments numerical simulations. experimental...

10.2118/170818-ms article EN SPE Annual Technical Conference and Exhibition 2014-10-08

The increasing clinical occurrence of segmental bone defects is demanding constant improvements in transplantation to overcome issues limited resources, immune rejection and poor structural complement. This study aimed develop a personalized defect repair modality using 3D-printed tricalcium phosphate (β-TCP) grafts assess its osteogenic impacts femoral model beagles, as basis for studies application. Aβ-TCP scaffold was designed manufactured computer-aided design. A 3 cm established 27...

10.1088/1748-605x/ad98d8 article EN Biomedical Materials 2024-11-29
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