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  1. Article

    Open Access

    Biomaterials-enabled electrical stimulation for tissue healing and regeneration

    The electrical microenvironment is considered a pivotal determinant in various pathophysiological processes, including tissue homeostasis and wound healing. Consequently, extensive research endeavors have been...

    Han-Sem Kim, Tanza Baby, Jung-Hwan Lee, Ueon Sang Shin, Hae-Won Kim in Med-X (2024)

  2. No Access

    Article

    Preparation of Copper Catalysts Immobilized on Poly(3-carboxypropyl)Thiophene and Their Application in Organic Transformation

    Cu (II) complexes anchored to a regioregular polythiophene possessing a carboxyl functionality were synthesized and characterized using analytical and spectroscopic techniques. Copper catalytic platforms, whic...

    Kwak Soo-Jung, Joo Seong-Ryu, Kang Ji-Hye, Ueon Sang Shin in Catalysis Letters (2023)

  3. No Access

    Article

    A heterogeneous Cu-catalyst immobilized on poly(3-carboxythiophene)-modified multi-walled carbon nanotubes for click reaction

    Copper was anchored on poly[3-(carboxypropyl)thiophene-2,5-diyl]-modified multi-walled carbon nanotubes. The resulting novel catalytic platform (Cu@PCT@CNT) was successfully applied to the Cu-catalyzed azide−a...

    Soo-Jung Kwak, Ueon Sang Shin, Seung-Hoi Kim in Journal of Chemical Sciences (2023)

  4. Article

    Open Access

    Improved gliotransmission by increasing intracellular Ca2+ via TRPV1 on multi-walled carbon nanotube platforms

    Astrocyte is a key regulator of neuronal activity and excitatory/inhibitory balance via gliotransmission. Recently, gliotransmission has been identified as a novel target for neurological diseases. However, us...

    Won-Seok Lee, Ji-Hye Kang, Jung-Hwan Lee, Yoo Sung Kim in Journal of Nanobiotechnology (2022)

  5. Article

    Open Access

    Wearable CNTs-based humidity sensors with high sensitivity and flexibility for real-time multiple respiratory monitoring

    Sensors, such as optical, chemical, and electrical sensors, play an important role in our lives. While these sensors already have widespread applications, such as humidity sensors, most are generally incompati...

    Han-Sem Kim, Ji-Hye Kang, Ji-Young Hwang, Ueon Sang Shin in Nano Convergence (2022)

  6. No Access

    Article

    Novel application of the chitosan-capped ZnS:Mn nanocrystals for the detection of copper (II) ions in aqueous solution

    Orange-light-emitting ZnS:Mn nanocrystals (NCs) were prepared by cap** their surface with chitosan (Chit) molecules in water. The characterization works for the freshly prepared colloidal NCs were performed ...

    Cheong-Soo Hwang, Jungwon Kim, Ueon Sang Shin in Journal of the Korean Physical Society (2021)

  7. No Access

    Article

    Heterogeneous Palladium–Chitosan–CNT Core–Shell Nanohybrid Composite for Ipso-hydroxylation of Arylboronic Acids

    A novel palladium-nanohybrid (Pd–Chitosan–CNT) catalytic composite has been developed using CNT–chitosan nanocomposite and palladium nitrate. The prepared catalytic platform displays excellent catalytic reacti...

    Eun-Jae Shin, Han-Sem Kim, Seong-Ryu Joo, Ueon Sang Shin in Catalysis Letters (2019)

  8. Article

    Open Access

    Carbon nanotube incorporation in PMMA to prevent microbial adhesion

    Although PMMA-based biomaterials are widely used in clinics, a major hurdle, namely, their poor antimicrobial (i.e., adhesion) properties, remains and can accelerate infections. In this study, carboxylated mul...

    Kyoung-Im Kim, Dong-Ae Kim, Kapil D. Patel, Ueon Sang Shin in Scientific Reports (2019)

  9. Article

    Open Access

    Simple and cost-effective method of highly conductive and elastic carbon nanotube/polydimethylsiloxane composite for wearable electronics

    The development of various flexible and stretchable materials has attracted interest for promising applications in biomedical engineering and electronics industries. This interest in wearable electronics, stre...

    Jeong Hun Kim, Ji-Young Hwang, Ha Ryeon Hwang, Han Seop Kim in Scientific Reports (2018)

  10. No Access

    Article

    Graphene-incorporated nanofibrous hybrid membrane with enhanced properties

    Graphene has been highlighted as an additive material to ameliorate functions of biomaterials due to its unique structure and superelasticity. In this study, graphene at different concentration (up to 10%) was...

    Ueon Sang Shin, Jeong-Soon Park, Jun-Sung Oh, Eun-Jung Lee in Macromolecular Research (2017)

  11. No Access

    Article

    Wettability Control on Chitosan-Wrapped Carbon Nanotube Surface Through Simple Octanal-treatment: Selective Removing Phenol from Water

    Chitosan-carbon nanotube membrane (Chit-CNTs) and octanal-modified Chit-CNTs (ocChit-CNT) membranes were obtained by chitosan-wrap** of individual carbon nanotube molecules, by self-assembly of chitosan shel...

    Eun-Jung Lee, Han-Sam Kim, Ueon Sang Shin in Macromolecular Research (2016)

  12. Article

    Open Access

    Multi-walled carbon nanotubes change morpho-functional and GABA characteristics of mouse cortical astrocytes

    Multi-walled carbon nanotubes (MW-CNTs) have been extensively explored for their possible beneficial use in the nervous system. CNTs have shown to modulate neuronal growth and electrical properties, but its ef...

    Joo-Ok Min, Seong Yeol Kim, Ueon Sang Shin, Bo-Eun Yoon in Journal of Nanobiotechnology (2015)

  13. No Access

    Article

    Cationic effect of an ionic copolymer with a temperature-responsive charateristic on the LCST value: A broad LCST spectrum of 35 to 46 °C

    A series of stimuli-responsive copolymers (p-NIBIm) of N-isopropylacrylamide (NIPAAm) and 1-butyl-3-vinyl imidazolium bromide (BVIm) with various BVIm monomer concentrations such as 5, 10, 15, and 20 mol% were...

    Jae-Won Seo, Ueon Sang Shin in Macromolecular Research (2015)

  14. No Access

    Article

    Novel porous scaffolds of poly(lactic acid) produced by phase-separation using room temperature ionic liquid and the assessments of biocompatibility

    Here we prepared three-dimensional (3D) porous-structured biodegradable polymer scaffolds for tissue regeneration using room temperature ionic liquids (RTILs) as a novel porogen, and addressed their biological...

    Hye-Young Lee, Guang-Zhen ** in Journal of Materials Science: Materials in… (2012)

  15. No Access

    Article

    Alginate combined calcium phosphate cements: mechanical properties and in vitro rat bone marrow stromal cell responses

    Here, we prepared self-setting calcium phosphate cements (CPCs) based on α-tricalcium phosphate with the incorporation of sodium alginate, and their mechanical properties and in vitro cellular responses were i...

    Gil-Su Lee, Jeong-Hui Park, Jong-Eun Won in Journal of Materials Science: Materials in… (2011)