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The Ocular Electrical Conductivity by Vitreous Substitutes in rabbits

Kwak HW, Kim JS

  • KMID: 2123208
  • J Korean Ophthalmol Soc.
  • 1993 Jul;34(7):613-618.
Electrical conductivity of eyeball replaced with vitreous substitutes were also measured in both the non-enucleated and enucleated eye. The study of correlation between the electroretinogram and conductivity of eyeball to...
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Realistic Electric Field Mapping of Anisotropic Muscle During Electrical Stimulation Using a Combination of Water Diffusion Tensor and Electrical Conductivity

Choi BK, Oh TI, Sajib SZ, Kim JW, Kim HJ, Kwon OI, Woo EJ

PURPOSE: To realistically map the electric fields of biological tissues using a diffusion tensor magnetic resonance electrical impedance tomography (DT-MREIT) method to estimate tissue response during electrical stimulation. METHODS: Imaging experiments...
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Electrodeless conductivity tensor imaging (CTI) using MRI: basic theory and animal experiments

Sajib SZ, Kwon OI, Kim HJ, Woo EJ

The electrical conductivity is a passive material property primarily determined by concentrations of charge carriers and their mobility. The macroscopic conductivity of a biological tissue at low frequency may exhibit...
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A quantitative analysis about microleakage of all-in-one adhesives

Kang YH, Shin SI, Shin DH

All-in-one adhesives were recently developed for reducing the techique sensitivity and chair time, but lots of concerns were made on bondability, longevity, and microleakage. The object of this study was to...
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Microleakage of various composite resin systems

Kim IS, Min KS, Shin DH

The object of this study was to compare the microleakage between various composite resin systems of multistep, one-bottle, and self-etching systems using electrical conductivity. After making class V cavities (4x3x1.5 mm...
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Optimal salt concentration of vehicle for plasmid DNA enhances gene transfer mediated by electroporation

Lee MJ, Cho SS, Jang HS, Lim YS, You JR, Park JW, Suh HR, Kim JA, Park JS, Kim DK

  • KMID: 931876
  • Exp Mol Med.
  • 2002 Sep;34(4):265-272.
In vivo electroporation has emerged as a leading technology for developing nonviral gene therapies, and the various technical parameters governing electroporation efficiency have been optimized by both theoretical and...
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Current Source Analysis of Electroencephalography

Kwon OY

  • KMID: 2053702
  • Hanyang Med Rev.
  • 2006 Feb;26(1):61-68.
The mathematical techniques to localize the current sources of the EEG signal have been developed. Now it is possible to find the 3 dimensional distributions of the sources in head...
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Chitosan/Graphene and Poly(D, L-Lactic-co-Glycolic Acid)/Graphene Nano-Composites for Nerve Tissue Engineering

Soltani S, Ebrahimian-Hosseinabadi M, Kharazi AZ

This study aimed at examining and comparing the fabrication process, electrical conductivity, and biological properties of Chitosan/Graphene membranes and poly(D, L-lactic-co-glycolic acid) (PLGA)/Graphene membranes. Nano-composite membranes were made using chitosan...
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Comparative analysis of physicochemical properties of root perforation sealer materials

Dorileo MC, Pedro FL, Bandeca MC, Guedes OA, Villa RD, Borges AH

  • KMID: 2316895
  • Restor Dent Endod.
  • 2014 Aug;39(3):201-209.
OBJECTIVES: This study evaluated the solubility, dimensional alteration, pH, electrical conductivity, and radiopacity of root perforation sealer materials. MATERIALS AND METHODS: For the pH test, the samples were immersed in distilled...
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Accuracy of Root ZX in teeth with simulated root perforation in the presence of gel or liquid type endodontic irrigant

Shin HS, Yang WK, Kim MR, Ko HJ, Cho KM, Park SH, Kim JW

OBJECTIVES: To evaluate the accuracy of the Root ZX in teeth with simulated root perforation in the presence of gel or liquid type endodontic irrigants, such as saline, 5.25% sodium...
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The effect of C-factor and volume on microleakage of composite resin restorations with enamel margins

Koo BJ, Shin DH

Competition will usually develop between the opposing walls as the restorative resin shrinks during polymerization. Magnitude of this phenomenon may be depended upon cavity configuration and volume. The purpose of this...
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CFTR, a rectifying, non-rectifying anion channel?

Quinton PM, Reddy MM

No abstract available.
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Microleakage of the experimental composite resin with three component photoinitiator systems

Kim JH, Shin DH

This study was done to determine if there is any difference in microleakage between experimental composite resins, in which various proportions of three component photoinitiators (Camphoroquinone, OPPI, Amine) were included. Four...
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Does quality of drinking water matter in kidney stone disease: A study in West Bengal, India

Mitra P, Pal DK, Das M

PURPOSE: The combined interaction of epidemiology, environmental exposure, dietary habits, and genetic factors causes kidney stone disease (KSD), a common public health problem worldwide. Because a high water intake (>3...
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Microleakage of composite resin restoration according to the number of thermocycling

Kim CY, Shin DH

Present tooth bonding system can be categorized into total etching bonding system (TE) and self-etching boding system (SE) based on their way of smear layer treatment. The purposes of this...
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Heterogeneous Composition of Voltage-Dependent K+ Currents in Hepatic Stellate Cells

Lee DH, Kimm K, Kim HL, Han BG

PURPOSE: Hepatic stellate cells (HSC) are a type of pericyte with varying characteristics according to their location. However, the electrophysiological properties of HSC are not completely understood. Therefore, this study...
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Intracellular acidosis decreases the outward Na(+)-Ca2+ exchange current in guinea pig ventricular myocytes

Lee EH, Park SR, Paik KS, Suh CK

The Na(+)-Ca2+ exchange transport operating in outward mode has been suggested to cause Ca2+ entry during reperfusion or reoxygenation, exchanging extracellular Ca2+ for intracellular Na+ that has accumulated during ischemia...
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Bone Marrow Mononuclear Stem Cells Transplanted in Rat Infarct Myocardium Improved the Electrical Conduction without Evidence of Proarrhythmic Effects

Joung B, Kim IK, Lee MH, Yoo KJ, Kim SS

PURPOSE: The arrhythmogenic effect of stem cells transplantation (SCT) in an infarct myocardium is still unknown. We investigated arrhythmogenicity of SCT in rat cryo-infarct model. MATERIALS AND METHODS:...
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Fluoxetine inhibits L-type Ca2+ and transient outward K+ currents in rat ventricular myocytes

Park KS, Kong ID, Park KC, Lee JW

The most common cardiovascular side effects of antidepressants are cardiac arrhythmias and orthostatic hypotension. Little is known, however, about the mechanisms by which these adverse reactions may occur,...
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Negative Effect of Rapidly Resorbing Properties of Bioactive Glass-Ceramics as Bone Graft Substitute in a Rabbit Lumbar Fusion Model

Lee JH, Ryu HS, Seo JH, Lee DY, Chang BS, Lee CK

BACKGROUND: Bioactive glass-ceramics have the ability to directly bind to bones and have been widely used as bone graft substitutes due to their high osteoconductivity and biocompatibility. CaO-SiO2-P2O5-B2O3 glass-ceramics are...
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