Chang Hoon Lee

ORCID: 0000-0001-7592-7431
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About
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Research Areas
  • Agriculture, Soil, Plant Science
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Soil Carbon and Nitrogen Dynamics
  • Meat and Animal Product Quality
  • Composting and Vermicomposting Techniques
  • Proteins in Food Systems
  • Ecology and Conservation Studies
  • Crystallography and molecular interactions
  • Protein Hydrolysis and Bioactive Peptides
  • Clay minerals and soil interactions
  • Soil and Water Nutrient Dynamics
  • Food Chemistry and Fat Analysis
  • Collagen: Extraction and Characterization
  • Carbon dioxide utilization in catalysis
  • Agricultural Science and Fertilization
  • Plant Ecology and Soil Science
  • Polysaccharides Composition and Applications
  • Heavy metals in environment
  • Freezing and Crystallization Processes
  • Bee Products Chemical Analysis
  • Muscle metabolism and nutrition
  • Soil and Unsaturated Flow
  • Catalysts for Methane Reforming
  • Phosphorus and nutrient management

Eastern Regional Research Center
2024-2025

Agricultural Research Service
2024-2025

Jeonbuk National University
2024

Chosun University
2015-2023

Chonnam National University
2016-2022

National Academy of Agricultural Science
2013-2018

Korea Institute of Materials Science
2018

National Institute of Agricultural Science and Technology
2018

Rural Development Administration
2009-2017

Chungnam National University
2017

Electrospun chitosan (CTS) nanofibers have been well known for use as a wound dressing in the biomedical field. Nevertheless, fatal bacterial infections are still serious problem when CTS used treatment. In this study, we designed novel based on blending with polyurethane (CTS/PU) containing silver sulfadiazine (AgSD) order to enhance both antibacterial activity and mechanical strength. This fiber sheet was produced using electrospinning (ELSP) technique. The CTS/PU AgSD characterized by...

10.1166/jnn.2014.9581 article EN Journal of Nanoscience and Nanotechnology 2014-04-27

The ice cream industry generates considerable waste due to stringent quality standards and food safety regulations, creating resource recovery opportunities. This study aimed develop an efficient method for recovering high‐purity fat from wastes using ethanol‐induced emulsion destabilisation. Ice was treated with varying ethanol concentrations (0%–50% w/w in water) incubated at different temperatures. Increased temperature accelerated the separation of melted into phases (transparent liquid,...

10.1111/1471-0307.13166 article EN International Journal of Dairy Technology 2025-01-07

In this article we report point defect-assisted doping mechanism and related thermoelectric transport properties in Pb-doped BiCuOTe compounds.

10.1039/c4ta04057k article EN Journal of Materials Chemistry A 2014-01-01

To investigate changes in the physical and chemical properties of high-density polyethylene (HDPE) upon rapid release hydrogen gas at a pressure 90 MPa, several characterization techniques have been employed, including optical microscopy, scanning electron X-ray diffraction, differential thermal analysis, attenuated total reflectance Fourier-transform infrared spectroscopy. The results showed that both occurred HDPE gas. Physically, partial hexagonal phase was formed within amorphous region,...

10.3390/polym15132880 article EN Polymers 2023-06-29

The objective of this study was to evaluate physical properties and structural changes myofibrillar protein gels with basil seed gum (BSG) at different salt levels develop the low-salt sausages BSG. Myofibrillar (MP) were prepared or without BSG concentrations (0.15, 0.30, 0.45 M). Cooking yield (CY, %), gel strength (GS, gf), viscosity, sulfhydryl contents, surface hydrophobicity, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) MP measured. Pork...

10.3390/foods9060702 article EN cc-by Foods 2020-06-01

Summary The objective of this study was to evaluate the gelling properties pork myofibrillar protein ( MP ) gels at various salt concentrations with or without curdlan, and its application model sausages reduced levels. When curdlan incorporated into mixtures, cooking yield CY 0.15 m similar that 0.45 P > 0.05). Gel strength s highest among other concentrations. Increased concentration tended be high shear stress values, regardless presence < increasing showed fewer pores swollen...

10.1111/ijfs.13969 article EN International Journal of Food Science & Technology 2018-11-01

Summary This research was performed to evaluate the rheological properties of myofibrillar protein gels ( MP s) with basil seed gum BSG ) alone or in combination gelatin (0.25%, 0.5%), and determine physicochemical low‐fat sausages LFS manufactured (0.5%) combined (0.25%). Viscosity cooking yields (%) MPs were higher than those control. However, gel strength s (0.25%) that alone. The produced a more stable denser structure control In LFSs, addition reduced percentages expressible moisture...

10.1111/ijfs.13328 article EN International Journal of Food Science & Technology 2016-12-29

Phosphogypsum (PG) was mixed with calcium hydroxide [Ca(OH)2], ranging from 0 to 5%, determine the optimal amount of Ca(OH)2 required alkalize acidity PG. The alkalized PG by 4% addition selected for field tests evaluate effects on soil microbial, chemical properties, and yield Chinese cabbage. Soil pH increased increasing application rate decreased unmodified application. Available phosphorus (P), water‐soluble sulfate (SO4 2−), exchangeable potassium (K), (Ca), magnesium (Mg) significantly...

10.1080/00103620902960591 article EN Communications in Soil Science and Plant Analysis 2009-06-30

Fertilizer management has the potential to promote storage of carbon and nitrogen in agricultural soils thus may contribute crop sustainability mitigation global warming. In this study, effects fertilizer practices [no (Control), chemical (NPK), Compost, plus compost] on soil total (TC) (TN) contents inner profiles paddy at 0-60 cm depth were examined by using long-term field experimental site <TEX>$42^{nd}$</TEX> years after installation. TC TN concentrations treatments which included N...

10.7745/kjssf.2013.46.3.216 article EN Korean Journal of Soil Science and Fertilizer 2013-06-30

CeO2(X)-ZnO(1-X) (X = 0, 0.1, 0.3, 0.5, 0.7, 0.9, and 1.0) nano-catalysts were prepared by a co-precipitation method with variation of CeO2 content (X, mol%), they applied to the direct synthesis dimethyl carbonate from methanol carbon dioxide. Successful formation was well confirmed XRD analysis. The amount DMC produced over catalysts exhibited volcano-shaped curve respect content. Acidity basicity measured NH3-TPD CO2-TPD experiments, respectively, elucidate effect acidity on catalytic...

10.1166/jnn.2013.8177 article EN Journal of Nanoscience and Nanotechnology 2013-09-05

Summary The aim of this study was to evaluate the physicochemical properties pork myofibrillar protein (MP) gels as affected by different additional levels corn starch and microbial transglutaminase (MTGase) applied patties at two starch. MPs with MTGase have higher than those without MTGase, except cooking loss (CL), which improved concentrations. Although gel strength did not differ among treatments, microstructures were swollen, proved that they holding water. When added, CL thawing...

10.1111/ijfs.14272 article EN International Journal of Food Science & Technology 2019-07-07

The goal of this study was to determine the qualities pork myofibrillar protein (MP) gels added with gelatin and transglutaminase (TGase), as well their application restructured ham (RH). MP mixtures were prepared various levels (0.5, 1.0, 1.5%. w/w) TGase. In study, cooking loss (CL), gel strength, shear stress, microstructure evaluated. After RHs manufactured varying TGase, physicochemical textural properties measured. CL 1% (w/w) decreased. Regardless presence increased amounts in...

10.3390/gels8120822 article EN cc-by Gels 2022-12-12

XNiO/CeO2(0.7)-ZnO(0.3) (X = 0, 1, 5, 10, and 15) nano-catalysts were prepared by a wet impregnation method with variation of NiO content (X, wt%). The catalysts then applied to the direct synthesis dimethyl carbonate from methanol carbon dioxide. Successful formation was confirmed XRD ICP-AES analyses. Acidity basicity XNiO/CeO2-ZnO measured NH3-TPD (temperature-programmed desorption) CO2-TPD experiments, respectively, an aim elucidating effect acidity on catalytic performance in reaction....

10.1166/jnn.2014.9948 article EN Journal of Nanoscience and Nanotechnology 2014-08-28

ABSTRACT Recovery of the butterfat in waste ice cream may be an opportunity to mitigate food and economic loss. Previous efforts recover such fat have succeeded producing a fat‐enriched fraction but not demulsifying fat. In present study, method involving sequence emulsion‐breaking steps is shown effective for releasing majority from as free, unemulsified oil. The effect altering process conditions including enzyme type, pH, incubation temperature reported. Depending on test variety used,...

10.1002/fsn3.4626 article EN cc-by Food Science & Nutrition 2024-12-12

Abstract Fly ash from the coal‐burning industry may be a potential inorganic soil amendment to increase rice productivity and restore nutrient balance in paddy soil. In this study, fly was applied at rates of 0, 40, 80, 120 Mg ha−1 two soils (silt loam Yehari loamy sand Daegok). During cultivation, available phosphorus (P) increased significantly with application, as there high content P (786 mg kg−1) ash. addition, silicon (Si) pH contributed available‐P by ion competition between phosphate...

10.1080/00103620701378482 article EN Communications in Soil Science and Plant Analysis 2007-05-01

Objective Curdlan has been widely used as a gelling agent in various food systems. This study was performed to evaluate the rheological properties of pork myofibrillar protein (MP) with different levels curdlan (0.5% 1.5%) and its application low-fat model sausages (LFS). Methods MP mixtures were prepared 0.5%, 1.0%, 1.5% curdlan. Cooking loss (%), gel strength (gf), shear stress (Pa), scanning electron microscopy measured. Physicochemical textural LFS containing Results The increased...

10.5713/ajas.18.0585 article EN cc-by Asian-Australasian Journal of Animal Sciences 2018-11-28
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