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Molecular imaging of membrane proteins and microfilaments using atomic force microscopy

Jung SH, Park D, Park JH, Kim YM, Ha KS

Atomic force microscopy (AFM) is an emerging technique for a variety of uses involving the analysis of cells. AFM is widely applied to obtain information about both cellular structural and...
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A New Technical Approach to Monitor the Cellular Physiology by Atomic Force Microscopy

Jeong KH, Lee SH

Atomic force microscopy (AFM) has become an important medical and biological tool for non-invasive imaging and measuring the mechanical changes of cells since its invention by Binnig et al. AFM...
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Changes in surface roughness of bracket and wire after experimental sliding - preliminary study using an atomic force microscopy

Lee TH, Park KH, Jeon JY, Kim SJ, Park HK, Park YG

OBJECTIVE: The surface roughness of orthodontic materials is an essential factor that determines the coefficient of friction and the effectiveness of tooth movement. The aim of this study is to...
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Nano-mechanical Phenotype as a Promising Biomarker to Evaluate Cancer Development, Progression, and Anti-cancer Drug Efficacy

Park S

Since various bio-mechanical assays have been introduced for studying mechanical properties of biological samples, much progress has been made in cancer biology. It has been noted that enhanced mechanical deformability...
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Effects of Mitomycin C on Scleral Collagen Fibrils According to Atomic Force Microscopy

Lee HJ, Choi S, Cheong Y, Jung GB, Jin KH, Park HK, Lee SJ

PURPOSE: To investigate the effects of mitomycin C on the scleral collagen surfaces using atomic force microscopy (AFM). METHODS: Two non-contact mode AFM machines were used to observe changes in the...
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The effect of root canal preparation on the surface roughness of WaveOne and WaveOne Gold files: atomic force microscopy study

Özyürek , Yılmaz K, Uslu G, Plotino G

OBJECTIVES: To examine the surface topography of intact WaveOne (WO; Dentsply Sirona Endodontics) and WaveOne Gold (WOG; Dentsply Sirona Endodontics) nickel-titanium rotary files and to evaluate the presence of alterations...
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Investigations on the effects of mouthrinses on the colour stability and surface roughness of different dental bioceramics

Soygun K, Varol O, Ozer A, Bolayir G

PURPOSE: In this study, three bioceramic materials, [IPS Empress CAD (Ivoclar), IPS e.max CAD (Ivoclar), and Lava Ultimate CAD (3M ESPE)] were treated with three commercial mouthrinses [Listerine, Tantum Verde,...
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Surface roughness analysis of ceramic bracket slots using atomic force microscope

Park KH, Yoon HJ, Kim SJ, Lee GJ, Park HK, Park YG

OBJECTIVE: This study was designed to measure the surface roughness at the slot floor of various ceramic brackets. METHODS: One kind of stainless steel bracket (Succes(R)), two kinds of monocrystalline brackets...
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The change of the configuration of hydroxyapatite crystals in enamel by changes of pH and degree of saturation of lactic acid buffer solution

Chon YE, Jung IY, Roh BD, Lee CY

  • KMID: 2416528
  • J Korean Acad Conserv Dent.
  • 2007 Nov;32(6):498-513.
Since it was reported that incipient enamel caries can be recovered, previous studies have quantitatively evaluated that enamel artificial caries have been remineralized with fluoride, showing simultaneously the increase of...
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Differentiation Potential of Mesenchymal Stem Cells Is Related to Their Intrinsic Mechanical Properties

Han I, Kwon BS, Park HK, Kim KS

PURPOSE: The differentiation properties of stem cells are not yet fully understood due to their close association with multiple environmental and extrinsic factors. This study investigates the differentiation properties of...
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Mechanical Alteration Associated With Chemotherapeutic Resistance of Breast Cancer Cells

Park S

BACKGROUND: The mechanical deformability of cancer cells has attracted particular attention as an emerging biomarker for the prediction of anti-cancer drug sensitivity. Nevertheless, it has not been possible to establish...
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Surface analysis of metal clips of ceramic self-ligating brackets

Kim KS, Han SJ, Lee TH, Park TJ, Choi S, Kang YG, Park KH

OBJECTIVE: The aim of this study was to analyze the surface composition, roughness, and relative friction of metal clips from various ceramic self-ligating brackets. METHODS: Six kinds of brackets were examined....
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Development of Protein Chip for Diagnosis of Chlamydophia Pneumoniae

Kim WJ, Lee HY, Lee SJ, Jung SH, Yuk JS, Ha KS, Jung KS

BACKGROUND: The diagnosis of chlamydial infection is based on serology. The current gold standard of diagnosis is MIF(microimmunofluorescence), but this modality is subjective and time-consuming. Protein microarray with using a...
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Comparison of Surface Roughness and Bacterial Adhesion between Cosmetic Contact Lenses and Conventional Contact Lenses

Ji YW, Hong SH, Chung DY, Kim EK, Lee HK

PURPOSE: To determine the surface roughness of cosmetic and conventional contact lenses (CLs) and their susceptibility to bacterial adhesion. METHODS: Concave surface roughness of cosmetic and conventional hydrogel (Etafilcon A) CLs...
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Surface characteristics and bioactivity of an anodized titanium surface

Kim K, Lee BA, Piao XH, Chung HJ, Kim YJ

PURPOSE: The aim of this study was to evaluate the surface properties and biological response of an anodized titanium surface by cell proliferation and alkaline phosphatase activity analysis. METHODS: Commercial pure...
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Effect of hydrofluoric acid-based etchant at an elevated temperature on the bond strength and surface topography of Y-TZP ceramics

Yu MK, Lim MJ, Na NR, Lee KW

OBJECTIVES: This study investigated the effects of a hydrofluoric acid (HA; solution of hydrogen fluoride [HF] in water)-based smart etching (SE) solution at an elevated temperature on yttria-stabilized tetragonal zirconia...
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Remineralisation effect of 1,500 ppm fluoride-containing toothpaste in enamel early caries lesion

Kim AO, Jeong SS, Kim DE, Ha WH, Moon KT, Choi CH, Hong SJ

OBJECTIVES: We compared the effects of a 1,500 ppm fluoride-containing toothpaste and a 1,000 ppm fluoride-containing toothpaste, which were revised up to the recent revision, and evaluated their effects on...
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Synergistic Effect of Cold Plasma Treatment and RGD Peptide Coating on Cell Proliferation over Titanium Surfaces

Karaman O, Kelebek S, Demirci EA, I˙bis¸ F, Ulu M, Ercan UK

The aim of this study was to investigate the synergistic effect of cold atmospheric plasma (CAP) treatment and RGD peptide coating for enhancing cellular attachment and proliferation over titanium (Ti)...
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Evaluation of C. Albicans and S. Mutans adherence on different provisional crown materials

Ozel GS, Guneser MB, Inan O, Eldeniz AU

PURPOSE: Bacterial adhesion on provisional crown materials retained for a long time can influence the duration for which permanent prosthetic restorations can be healthily worn in the oral cavity. The...
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Effects of various prophylactic procedures on titanium surfaces and biofilm formation

Di Salle A, Spagnuolo , Conte R, Procino A, Peluso G, Rengo C

PURPOSE: The aim of this study was to evaluate the effects of various prophylactic treatments of titanium implants on bacterial biofilm formation, correlating surface modifications with the biofilms produced by...
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