Surface-enhanced Raman scattering of dopamine on self-assembled gold nanoparticles

JH An, WA El-Said, CH Yea, TH Kim… - Journal of Nanoscience …, 2011 - ingentaconnect.com
Dopamine, a potent neurotransmitter in the brain, influences a variety of motivated behaviors
and plays a major role in Parkinson's disease. In this study, the Raman signal of dopamine …

Fabrication of gold nanoparticle modified ITO substrate TO detect β-amyloid using surface-enhanced Raman scattering

WA El-Said, TH Kim, CH Yea, H Kim… - Journal of Nanoscience …, 2011 - ingentaconnect.com
Alzheimer's disease is a progressive neurodegenerative disorder that is characterized by
the deposition of β-amyloid (Aβ) peptide and the formation of neurofibrillary tangles in …

Three-dimensional mesoporous gold film to enhance the sensitivity of electrochemical detection

WA El-Said, TH Kim, H Kim, JW Choi - Nanotechnology, 2010 - iopscience.iop.org
Cell–cell and cell–extracellular matrix (ECM) adhesion are fundamental and important in the
development of a cell-based chip. In this study, a novel, simple, rapid, and one-step …

Electrochemical detection of bisphenol A–induced neuronal toxicity using RGD peptide modified ITO electrode cell chip

JW Choi, R Bhusal, TH Kim, JH An… - Molecular Crystals and …, 2010 - Taylor & Francis
An ITO electrode based neuronal cell chip was developed to electrochemically monitor the
effect of environmental toxins on PC12 cell neurite outgrowth. PC12 cells were immobilized …

Distinction of heterogeneity on Au nanostructured surface based on phase contrast imaging of atomic force microscopy

M Jung, JW Choi - Ultramicroscopy, 2010 - Elsevier
The discrimination of the heterogeneity of different materials on nanostructured surfaces has
attracted a great deal of interest in biotechnology as well as nanotechnology. Phase imaging …

Fabrication of mouse embryonic stem cell chip using self-assembled layer of cysteine-modified RGD oligopeptide

CH Yea, H Kim, J Kim, SU Kim… - Molecular Crystals and …, 2008 - Taylor & Francis
RGD peptide sequence is an effective cell recognition motif and used to enhance the cell
adhesion on desired solid material for cell immobilization. CRGD-MAP (Multiple-Armed …