A5069806436- Advanced DC-DC Converters
- Robotic Path Planning Algorithms
- Silicon Carbide Semiconductor Technologies
- Bone Tissue Engineering Materials
- Robotic Locomotion and Control
- Electrospun Nanofibers in Biomedical Applications
- TiO2 Photocatalysis and Solar Cells
- Molecular Junctions and Nanostructures
- Control and Dynamics of Mobile Robots
- ZnO doping and properties
- Advanced Photocatalysis Techniques
- Underwater Vehicles and Communication Systems
- Organic Light-Emitting Diodes Research
- Polymer Nanocomposite Synthesis and Irradiation
- Robotics and Sensor-Based Localization
- Synthesis and properties of polymers
- Water Quality Monitoring Technologies
- Adhesion, Friction, and Surface Interactions
- Copper-based nanomaterials and applications
- Conducting polymers and applications
- Induction Heating and Inverter Technology
- Human Motion and Animation
- Force Microscopy Techniques and Applications
- Advanced Battery Materials and Technologies
- Metal and Thin Film Mechanics
University of Illinois Urbana-Champaign
2020-2025
Yonsei University
2025
Hanyang University
2024
Korea Advanced Institute of Science and Technology
2023-2024
Hanbat National University
2024
Korea Institute of Science and Technology
2017-2022
Korea University of Science and Technology
2020-2022
Bio-Medical Science (South Korea)
2020-2022
Korea Institute of Brain Science
2021-2022
Korean Association Of Science and Technology Studies
2021-2022
This paper introduces a novel six-axis force/torque sensor tailored for compact and lightweight legged robots. Unlike traditional strain gauge-based sensors, the proposed non-contact design employs photocouplers, enhancing resistance to physical impacts reducing damage risk. approach simplifies manufacturing, lowers costs, meets demands of robots by combining small size, light weight, wide force measurement range. A methodology optimizing parameters is also presented, focusing on maximizing...
Understanding the interaction between polyimide and inorganic surfaces is vital in controlling interfacial adhesion behavior. Here, molecular dynamics simulations are employed to study of on both crystalline glassy silica surfaces, effects hydroxylation, structure, chemistry investigated. The results reveal that monomers have stronger hydroxylated compared nonhydroxylated surfaces. Also, onto glass corresponding Finally, we explore origins understand why some like Kapton a per unit area...
We revealed the aggravated instability of (0001)-oriented ZnO nanowires when they were deposited by a TiO(2) shell even under ambient conditions. Trace UV photons from daylight and moisture air, which generally have negligible effects on "bare" nanowires, can obviously enhance their photocorrosion due to high bandgap as well this conformal core-shell heterostructure.
Abstract This manuscript provides a comprehensive study of adhesion behavior and its governing mechanisms when polyimide undergoes various modes detachment from silica glass. Within the framework steered molecular dynamics, we develop three different measurement techniques: pulling, peeling, sliding. Such computational methodologies can be applied to investigate heterogeneous materials with differing interfacial modes. Here, novel hybrid potential involving combination INTERFACE force field...
We investigate two types of internal light-extraction layer structures for organic light-emitting diodes (OLEDs) that consist silica nanoparticles (NPs) embedded in high-refractive-index TiO₂ matrices. The composite NPs and matrices was coated on the glass substrate fabricated with without a SiO₂ planarization layer. An increase optical out-coupling efficiency by factor 2.0 obtained at high luminance 3,000 cd/m² from OLEDs containing between substrates Zn-doped In₂O₃ (IZO) electrodes after...
Abstract Platelet-derived growth factor receptor (PDGFR) senses extracellular factors and transfer the signals inside cells regulating cell proliferation, migration survival. It has been controversial at which membrane microdomains PDGFRs reside how they control such diverse intracellular signaling pathways. Here, we developed a novel PDGFR biosensor based on fluorescence resonance energy (FRET), can detect real-time activity in live with high spatiotemporal resolutions. To study subcellular...
The effect of nanoscale roughness on the adhesion between glassy silica and polyimides is examined by molecular dynamics simulation. Different surfaces, with varying degrees roughness, were generated cleaving bulk structures a predefined surface desired average different periods hydroxylation densities in an effort to study influence these characteristics at silica–polyimide interface. calculated results reveal that Ra primary controlling factor within considered conditions. Further, energy...
A novel method for quantifying the degree of single crystallization in crystal cathodes is proposed based on 4D-STEM-ASTAR.
Understanding the interface between organic and inorganic materials presents many challenges due to complex chemistries involved. Modeling experimental work have elucidated only a few facets of physical chemical nature adhesion such surfaces. In this work, we use density functional theory understand five different crystal surfaces (two-dimensional silica, both sides kaolinite, hydroxylated quartz, albite) with molecules (benzene, phenol, phthalimide, N-phenylmaleimide, diphenyl ether)....
Dopaminergic signaling is regulated by transient micromolar (phasic) and background nanomolar (tonic) dopamine releases in the brain. These signals can be differentially translated receptor type 1 2, DRD1 DRD2, which are G protein-coupled receptors (GPCRs). In response to dopamine, DRD2 known mediate opposite functions on cAMP production via Gs Gi protein signaling. Interestingly, they form a heterodimer. However, crosstalk between DRD1-DRD2 heterodimers has not been directly measured, but...
An emerging nanofabrication technology is to synthesize nanoscale inorganic materials with narrow size distribution using biological systems, which are size-constrained, fairly robust, and easily removable. Apoferritin, a spherical hollow protein complex, was subjected atomic layer deposition of TiO2. The growth TiO2 on the surface investigated as function precursor exposure purge length. Thermal pretreatment osmotic dehydration lead controllable both outer within inner cavity apoferritin....
Abstract Emerging evidences suggest that phospholipid metabolism is altered in Alzheimer’s disease (AD), but molecular mechanisms on how this affects neurodegeneration AD poorly understood. SHIP2 a phosphoinositide-metabolizing enzyme, which dephosphorylates PI(3,4,5)P 3 resulting to PI(3,4)P 2 , and it has been recently shown Aβ directly increases the activity of SHIP2. Here we monitored, utilizing fluorescent biosensor, real-time increase -containing vesicles HT22 cells treated with Aβ....
Plasma-sprayed hydroxyapatite (HA)-coated implants show failures along the coating-substrate interface due to poor bond strength. We analyzed HA coatings obtained by pulsed laser deposition (PLD) and compared them commercially used plasma-sprayed with respect their strength titanium alloy (Ti-6Al-4V), as well surface roughness alterations produced each of two methods.Twelve disks were under commercial implant coating conditions, 24 coated using PLD. All characterized presence different...
Autophagy is a major degradation process of cytosolic components and misfolded proteins that crucial for cellular homeostasis the pathogenesis diverse diseases. initiated by formation phagophores, which mature to autophagosomes. The autophagosomes then fuse lysosomes form autolysosomes. Different stages autophagy can be deregulated cause autophagy-related diseases, thus, an accurate detection each stage progression critical efficient therapeutic strategies these To identify different...