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  1. No Access

    Article

    In vitro endothelialization of cobalt chromium alloys with micro/nanostructures using adipose-derived stem cells

    In this study, integrin expression, proliferation, and endothelial differentiation of adipose-derived stem cells (ADSCs) on pristine cobalt chrome (CoCr) surface, microstructured and nanostructured CoCr surfac...

    Zhilong Shi, K. G. Neoh, E. T. Kang in Journal of Materials Science: Materials in Medicine (2013)

  2. No Access

    Article

    Bistable Electrical Switching and Rewritable Memory Effect in a Thin Film Acrylate Copolymer Containing Carbazole-Oxadiazole Donor–Acceptor Pendant Groups

    The molecular conformation-dependent write-once read-many-times (WORM) memory based on an acrylate polymer containing pendant carbazole (donor) groups is transformed into a flash (rewritable) memory when acryl...

    E. Y. H. Teo, Q. D. Ling, S. L. Lim, K. G. Neoh… in MRS Online Proceedings Library (2011)

  3. No Access

    Article

    Responsive surfaces for biomedical applications

    Much of the interaction of a material with its environment is governed by its surface, and modulation of the material’s surface characteristics can vastly broaden its range of application. This review focuses ...

    K. G. Neoh, E. T. Kang in MRS Bulletin (2010)

  4. No Access

    Article

    Antibacterial poly(D,L-lactide) (PDLLA) fibrous membranes modified with quaternary ammonium moieties

    Antibacterial poly(D,L-lactide) (PDLLA) fibrous membranes were developed via electrospinning, followed by surface modification which involved plasma pretreatment, UV-induced graft copolymerization of 4-vinylpyrid...

    Chen Yao, **n-song Li **新松, K. G. Neoh, Zhi-long Shi… in Chinese Journal of Polymer Science (2010)

  5. No Access

    Article

    Human bone marrow-derived mesenchymal stem cells and osteoblast differentiation on titanium with surface-grafted chitosan and immobilized bone morphogenetic protein-2

    Circulating progenitor cells are known to home to various organs to repair injured tissues or to routinely replace old cells and maintain tissue integrity. Similarly, circulating progenitor bone cells can poss...

    Tee Yong Lim, W. Wang, Zhilong Shi… in Journal of Materials Science: Materials in… (2009)

  6. No Access

    Article

    Antimicrobial surfaces of viologen-quaternized poly((2-dimethyl amino)ethyl methacrylate)-Si(100) hybrids from surface-initiated atom transfer radical polymerization

    To improve the antimicrobial ability of silicon-based bioelectronics and to tailor the silicon surfaces for inhibiting biofilm formation, well-defined functional polymer-Si(100) hybrids, consisting of nearly m...

    F. J. Xu, S. J. Yuan, S. O. Pehkonen, E. T. Kang, K. G. Neoh in NanoBiotechnology (2006)

  7. No Access

    Article

    Electroless Deposition of Copper on Poly(tetrafluoroethylene) Films Modified by Plasma-Induced Surface Grafting of Poly(4-vinylpyridine)

    Argon plasma-pretreated poly(tetrafluoroethylene) (PTFE) films were solution coated with a thin layer of poly(4-vinyl pyridine) (P4VP). Subsequent exposure of the films to argon plasma resulted in the grafting...

    W. C. Wang, Yan Zhang, E. T. Kang, K. G. Neoh in Plasmas and Polymers (2002)

  8. No Access

    Article

    Plasma-Induced Graft Polymerization of Poly(ethylene glycol) Methyl Ether Methacrylate on Si(100) Surfaces for Reduction in Protein Adsorption and Platelet Adhesion

    Argon plasma-induced graft polymerization of a solution-coated macromonomer, poly(ethylene glycol) methyl ether methacrylate (PEGMA), on the Si(100) surface was carried out to impart anti-fouling properties to...

    X. P. Zou, E. T. Kang, K. G. Neoh in Plasmas and Polymers (2002)

  9. No Access

    Article

    Electroless deposition of copper on polyimide films modified by surface graft copolymerization with nitrogen-containing vinyl monomers

     Surface modification of Ar-plasma-pretreated polyimide (PI) films (Kapton® HN films) via UV-induced graft copolymerization with 1-vinylimidazole (VIDz), 4-vinylpyridine (4VP), and 2-vinylpyridine (2VP) under ...

    G. H. Yang, E. T. Kang, K. G. Neoh, Y. Zhang, K. L. Tan in Colloid and Polymer Science (2001)

  10. No Access

    Article

    Intrinsic redox states of polyaniline studied by high-resolution X-ray photoelectron spectroscopy

    High-resolution X-ray photoelectron spectroscopic (XPS) measurements of the various intrinsic redox states of polyaniline (PANI), using a monochromatized Al—Kα source, were carried out. The presence of the im...

    Yongjun Chen, E. T. Kang, K. G. Neoh, S. L. Lim, Z. H. Ma… in Colloid and Polymer Science (2001)

  11. No Access

    Article

    Surface Modification of Poly(tetrafluoroethylene) Films by Plasma Pre-Activation and Plasma Polymerization of Glycidyl Methacrylate

    Surface modification of poly(tetrafuoroethylene) (PTFE) film by plasma polymerzation and deposition of glycidyl methacrylate (GMA), in the presence and absence of Ar or O2 plasma pre-activation, was carried out t...

    X. P. Zou, E. T. Kang, K. G. Neoh, C. Q. Cui, T. B. Lim in Plasmas and Polymers (2000)

  12. No Access

    Article

    Chemical nature of the nitrogens in polypyrrole and nitrogen-substituted polypyrrole: a comparative study by X-ray photoelectron spectroscopy

    The chemical nature of the nitrogens in polypyrrole (PPY) and poly(N-methylpyrrole) (PMPY) has been critically compared using X-ray photoelectron spectroscopy as a primary tool. Treatment of PPY/perchlorate co...

    K. L. Tan, B. T. G. Tan, E. T. Kang, K. G. Neoh in Journal of Materials Science (1992)

  13. No Access

    Article

    X-ray photoelectron spectroscopy studies of some chemically prepared polypyrrole-halobenzoquinone complexes

    X-ray photoelectron spectroscopy (XPS) studies were performed on conductive polypyrrole-tetrafluoro-p-benzoquinone (PPY-p-fluoranil), polypyrrole-tetrachloro-p-benzoquinone (PPY-p-chloranil) and polypyrrole-tstra...

    K. L. Tan, B. T. G. Tan, E. T. Kang, K. G. Neoh in Journal of Materials Science (1990)

  14. Article

    ESCA Studies of Protonation in Polyaniline

    The structural changes associated with the protonation of polyemeraldine base by various protonic acids were studied by X-ray photoelectron spectroscopy (XPS). The imine, amine and positively charged nitrogen ...

    E T Kang, K G Neoh, K L Tan in Polymer Journal (1989)

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  15. Article

    XPS Studies of Some Chemically Synthesized Polypyrrole–Organic Acceptor Complexes

    X-Ray photoelectron spectroscopy (XPS) studies have been performed on polypyrrole–2,3-dichloro-5,6-dicyano-p-benzoquinone (PPY–DDQ) and polypyrrole–tetrachloro-o-benzoquinone (PPY–chloranil) complexes prepared vi...

    E T Kang, H C Ti, K G Neoh in Polymer Journal (1988)

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  16. Article

    ESCA Analysis of Polymer–Acceptor Interactions in Chemically Synthesized Polypyrrole–Halogen Complexes

    X-Ray photoelectron spectroscopy (XPS) studied have been performed on conductive polypyrrole (PPY)–halogen complexes, such as PPY–I2, PPY–Br2, and PPY–Cl2 complexes, prepared by the simultaneous chemical polymeri...

    E T Kang, H C Ti, K G Neoh, T C Tan in Polymer Journal (1988)

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  17. No Access

    Article

    Chemical synthesis and characterization of electroactive and partially soluble polyazulene

    Simultaneous chemical oxidation and polymerization of azulene by iodine and bromine were carried out. The polyazulene-bromine complex is electrically conductive and partially soluble in organic solvents wherea...

    K. G. Neoh, E. T. Kang, T. C. Tan in Polymer Bulletin (1988)