Sung Yeol Kim

ORCID: 0000-0001-8146-0436
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About
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Research Areas
  • Advanced Vision and Imaging
  • Conducting polymers and applications
  • Image Processing Techniques and Applications
  • Advanced Sensor and Energy Harvesting Materials
  • Supercapacitor Materials and Fabrication
  • Optical measurement and interference techniques
  • Video Coding and Compression Technologies
  • Advanced Image Processing Techniques
  • Computer Graphics and Visualization Techniques
  • Electrochemical sensors and biosensors
  • Advancements in Battery Materials
  • Neuroscience and Neural Engineering
  • Ecology and Conservation Studies
  • Advanced Battery Materials and Technologies
  • Analytical Chemistry and Sensors
  • Fuel Cells and Related Materials
  • Plant and animal studies
  • Advanced Battery Technologies Research
  • 3D Shape Modeling and Analysis
  • Agriculture, Soil, Plant Science
  • Ecology and Vegetation Dynamics Studies
  • Potato Plant Research
  • Image Enhancement Techniques
  • Electrochemical Analysis and Applications
  • Polymer Surface Interaction Studies

Kyungpook National University
2016-2025

Chungnam National University
2000-2023

Pukyong National University
2021

National Science Museum
2019-2021

Seoul National University Bundang Hospital
2018-2020

Samsung (South Korea)
2008-2019

Keimyung University
2016-2019

Seonam University
2018

Government of the Republic of Korea
2018

Brown University
2007-2016

Nanostructures of the conducting polymer poly(3,4-ethylenedioxythiophene) with large surface areas enhance performance energy storage devices such as electrochemical supercapacitors. However, until now, high aspect ratio nanofibers this could only be deposited from vapor-phase, utilizing extrinsic hard templates electrospun and anodized aluminum oxide. These routes result in low conductivity require postsynthetic template removal, conditions that stifle development electronics. Here we...

10.1021/nn405595r article EN ACS Nano 2014-02-03

Development of a versatile method for incorporating conductive materials into textiles could enable advances in wearable electronics and smart textiles. One area critical importance is the detection chemicals environment security industrial process monitoring. Here, fabrication flexible, sensor material based on functionalized multi‐walled carbon nanotube (MWNT) films porous electrospun fiber mat real‐time nerve agent simulant reported. The constructed by layer‐by‐layer (LbL) assembly MWNTs...

10.1002/adfm.201302344 article EN Advanced Functional Materials 2013-09-20

Insufficient bone volume is one of the major challenges encountered by dentists after dental implant placement. This study aimed to evaluate efficacy a customized three-dimensional polycaprolactone (3D PCL) scaffold fabricated with 3D bio-printing system facilitate rapid alveolar regeneration. Saddle-type defects were surgically created on healed site extracting premolars from mandibles four beagle dogs. The radiologically examined using computed tomography for designing PCL block fit defect...

10.3390/ma11020238 article EN Materials 2018-02-04

In this study, we designed scaffolds coated with gold nanoparticles (GNPs) grown on a polydopamine (PDA) coating of three-dimensional (3D) printed polycaprolactone (PCL) scaffold.

10.1039/c8nr04037k article EN Nanoscale 2018-01-01

Abstract The 1T phase of MoS 2 exhibits much higher electrocatalytic activity and better stability than the 2H phase. However, harsh conditions synthesis remain a significant challenge for various extensions applications . In this work, simple hydrothermal‐based method transition is being developed. For this, NH ‐MIL‐125(Ti) (Ti MOF) successfully utilized to induce from 1T, achieving high conversion ratio ≈78.3%. optimum phase‐induced /Ti MOF heterostructure demonstrates enhanced oxygen...

10.1002/smtd.202301251 article EN Small Methods 2024-02-02

Rapid fabrication of layer-by-layer (LbL) electrodes is essential to expand their utility in energy storage applications. Herein, we address challenges developing thick LbL multi-wall carbon nanotubes (MWNTs) using conventional dip- and spray-LbL processes, present a solution overcome these challenges. The vacuum-assisted process porous substrates enabled linear growth LbL-MWNT with 600 time decrease time. This result was attributed the enhanced surface interactions between MWNTs substrate...

10.1039/c2ee23318e article EN Energy & Environmental Science 2013-01-01

Viologens, either as anions in solution or pendant substituents to pyrrole, were incorporated dopants electrodeposited films of polypyrrole. The resulting polymer exhibited redox activity at −0.5 V vs Ag/AgCl. film consisting polypyrrole with viologens the best charge–discharge behavior a maximum capacity 55 mAh/g discharge current 0.25 mA/cm2. An anode (pPy) doped viologen (V) was coupled cathode pPy 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) yield polymer-based battery...

10.1021/am401590q article EN ACS Applied Materials & Interfaces 2013-08-08

Three new isostructural Co(II), Ni(II), and CoNi metal‐organic frameworks (MOFs) were designed synthesized as efficient electrocatalysts using the bis‐coordinating ligand 3‐pyridyl acrylic acid. Structural analysis revealed that all three MOFs exhibit a three‐dimensional structure with similar cell parameters. The electrocatalytic activities toward oxygen evolution reaction (OER) hydrogen (HER) systematically investigated. Notably, bimetallic CoNi‐MOF demonstrated significantly greater...

10.1002/chem.202500010 article EN Chemistry - A European Journal 2025-03-17

The recovery of amino acids and other important bioactive compounds from the comb penshell (Atrina pectinata) using subcritical water hydrolysis was performed. A wide range extraction temperatures 140 to 290 °C used evaluate release proteins acids. amount crude protein highest (36.14 ± 1.39 mg bovine serum albumin/g) at 200 °C, whereas a further increase in temperature showed degradation content. (74.80 mg/g) 230 indicating that 170–230 is suitable for protein-rich hydrolysis. Molecular...

10.3390/md19030137 article EN cc-by Marine Drugs 2021-03-01

We present a systematic approach to the design of an observer for rotor position and velocity interior permanent magnet synchronous motors without rotational transducers, in which effects both motor filter dynamics are taken into full account. The proposed can be incorporated directly well-known high-frequency voltage injection methods.

10.1109/tie.2008.921469 article EN IEEE Transactions on Industrial Electronics 2008-05-29

In this paper, we present a new method to enhance depth images captured by time-of-flight (TOF) sensor spatially and temporally. practice, obtained from TOF sensors have critical problems, such as optical noise existence, unmatched boundaries, temporal inconsistency. work, improve quality performing newly-designed joint bilateral filtering, color segmentation-based boundary refinement, motion estimation-based consistency. Experimental results show that the proposed significantly minimizes...

10.1109/icpr.2010.577 article EN 2010-08-01

Abstract Recent research has highlighted the potential use of “smart” films, such as graphene sheets, that would allow for controlled release a variety therapeutic drugs. Taking full advantage these versatile conducting we investigated novel concept applying oxide (GO) and reduced (rGO) materials both barrier layers afford entrapment any molecules interest. We fabricated multilayered nanofilm architectures using hydrolytically degradable cationic poly(β-amino ester) (PAE), model protein...

10.1038/srep17631 article EN cc-by Scientific Reports 2015-12-01

10.1007/s40684-024-00602-2 article EN International Journal of Precision Engineering and Manufacturing-Green Technology 2024-03-23

A 1D organic redox-active material is combined with another conductive for rechargeable batteries. Poly(vinyl carbazole) (or PVK) and poly(3,4-ethylenedioxythiophene) doped poly(styrenesulfonate) PEDOT:PSS) are used as the materials, respectively. Due to their extremely anisotropic geometry, two polymers expected be inter-tangled each other, showing a kinetically ideal model system in which moiety of PVK supposed directly connected conducting pathways PEDOT:PSS. In addition its role agent...

10.1039/c3cp54624a article EN Physical Chemistry Chemical Physics 2014-01-01

Background: Although tooth loss is known to increase the risk of cognitive impairment and dementia, few studies have investigated association between functional teeth including rehabilitated lost function Objective: We associations numbers occlusal units with in late life. Methods: The current study was conducted as a part Korean Longitudinal Study on Cognitive Aging Dementia (KLOSCAD), community-based elderly cohort study. analyzed 411 participants who agreed additional dental exam....

10.3233/jad-190971 article EN Journal of Alzheimer s Disease 2020-01-06

Multifunctional electrocatalysts with excellent performance are highly desirable for new energy technologies. An electrocatalyst is synthesized using a straightforward two-step approach, whereby ultralow doping (0.06 wt%, Fe) and heteroatom (N) generate defects. A defect-induced active sites accompanied by porous channels enables high catalytic activity durability oxygen evolution reaction (OER) hydrogen (HER). Experiments show that such defects enhance kinetics promote electrochemical an...

10.1016/j.matdes.2023.111782 article EN cc-by-nc-nd Materials & Design 2023-02-27

In this paper, we present a new coding scheme for depth maps using hierarchical decomposition. After decompose map into three disjoint images and layer descriptor according to the region of edges, merge each an image. Then, merged are coded by H.264/AVC. Unlike previous mesh-based methods, compress irregular information conventional 2D video coder. Experimental results show that our improves compression efficiency coding.

10.1109/icip.2007.4379779 article EN 2007-01-01

Tailoring cell response on an electrode surface is essential in the application of neural interfaces. In this paper, a method controlling neuron adhesion was demonstrated using conducting polymer composite as coating. The electrodeposited coating functionalized further with biomolecules-of-interest (BOI), their concentration controlled via repetition carbodiimide chemistry. result that promoted localized primary neurons, density which could be quantitatively changes number layers BOI added....

10.1021/am1008369 article EN ACS Applied Materials & Interfaces 2010-12-13

In this paper, we propose a new three-dimensional (3-D) video system using depth image-based representation (DIBR). order to represent 3-D natural videos, exploit texture images and synchronized maps, which are decomposed into four layers; number of layer (NOL), grid, boundary feature point layers. With NOL, layers, define minimum required consecutive surfaces for videos. Then, enhance their visual qualities by adding We regard grid layers as base enhancement construct multi-layer our...

10.1109/tce.2006.1706504 article EN IEEE Transactions on Consumer Electronics 2006-08-01
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