Gian Vincent Dizon

ORCID: 0000-0002-9424-1029
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Research Areas
  • Membrane Separation Technologies
  • Polymer Surface Interaction Studies
  • Electrospun Nanofibers in Biomedical Applications
  • Surface Modification and Superhydrophobicity
  • Advanced Sensor and Energy Harvesting Materials
  • Membrane Separation and Gas Transport
  • Advanced Photocatalysis Techniques
  • Wound Healing and Treatments
  • Conducting polymers and applications
  • 3D Printing in Biomedical Research
  • Nanomaterials for catalytic reactions
  • Analytical Chemistry and Sensors
  • Graphene research and applications
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Diabetic Foot Ulcer Assessment and Management
  • Molecular Junctions and Nanostructures
  • Hydrogels: synthesis, properties, applications
  • Nanofabrication and Lithography Techniques
  • Graphene and Nanomaterials Applications
  • Fuel Cells and Related Materials
  • Marine Biology and Environmental Chemistry
  • Perovskite Materials and Applications
  • Copper-based nanomaterials and applications
  • Electrochemical sensors and biosensors
  • Electrohydrodynamics and Fluid Dynamics

Chung Yuan Christian University
2017-2025

Yuan Ze University
2019

This study reports the fabrication of a biocompatible polypropylene (PP) fibrous membrane via an in situ polymerization process, generating dual network PP fibers and poly(sulfobetaine methacrylate) (poly(SBMA)). In this method, synthesis polymer modification process happen single step. Notably, was achieved without incorporation hydrophobic groups modifying polymer, demonstrating that physical entanglement poly(SBMA) sufficient to produce stable membrane. The presence coating confirmed...

10.1021/acs.langmuir.4c04226 article EN cc-by Langmuir 2025-02-10

Expanded polytetrafluoroethylene (ePTFE) is one of the materials widely used in biomedical field, yet its application being limited by adverse reactions such as thrombosis when it comes contact with blood. Thus, a simple and robust way to modify ePTFE be biologically inert sought after. Modification without high-energy pretreatment, immersion coating, has been interest researchers for straightforward process ease scaling up. In this study, we utilized two-step coating zwitterionize...

10.1021/acsami.0c09073 article EN ACS Applied Materials & Interfaces 2020-08-21

Polydimethylsiloxane (PDMS) is extensively used in the field of biomaterials. However, its hydrophobicity still limits range applications and makes it prone to biofouling. Various techniques are currently utilized overcome this limitation, but most them reduce some PDMS prime characteristics, such as mechanical strength optical transparency. In work, we employed an original two-step coating process bypass harsh treatments on like UV-ozone or plasma treatment. A pre-coating step tannic...

10.1021/acsabm.8b00212 article EN ACS Applied Bio Materials 2018-11-26

The present study investigates the properties and use as wound-dressing materials of hydrogels made negatively charged 3-sulfopropyl methacrylate (SA) positively [2-(methacryloyloxy)ethyl]trimethylammonium (TMA) to form poly(SA-co-TMA) gels with/without a charge bias. Their actual chemical compositions were ascertained by XPS which revealed fair control final gel composition obtained from initial molar ratio in reaction solution. Zeta potential measurements confirmed controlled bias on...

10.1039/c9tb01662g article EN Journal of Materials Chemistry B 2019-01-01

A novel gold/aniline-pentamer-based electroactive polyamide (Au/EPA) composites that can modify carbon paste electrodes (CPEs) for ascorbic acid (AA) sensing has been studied in detail this article.Cyclic voltammetry studies indicated improved electrochemical properties of the Au/EPA composites, demonstrating occurrence efficient electron/ charge transfer between Au and EPA.Experimental tests shows there is a linear relationship concentration added AA response current CPE modified with...

10.3144/expresspolymlett.2018.6 article EN publisher-specific-oa eXPRESS Polymer Letters 2017-11-02

The advancement in membrane science and technology, particularly nanofiltration applications, involves the blending of functional nanocomposites into membranes to improve property. In this study, Ag-polydopamine (Ag-PDA) particles were synthesized through situ PDA-mediated reduction AgNO3 silver. Infusing Ag-PDA polyethersulfone (PES) matrix affects property performance. X-ray photoelectron spectroscopy (XPS) analyses confirmed presence on surface. Field emission scanning electron microscopy...

10.3390/membranes11030216 article EN cc-by Membranes 2021-03-19

Air plasma and spray technology are common methods for surface modification. In this study, air is used to generate hydroxyl groups on various material surfaces. Then random copolymers of styrene ethylene glycol methacrylate (PS-r-PEGMA) spray-coated achieve coating densities ranging between 0.1 0.6 mg/cm2. PS50-r-PEGMA50 led the best overall antifouling properties, while a density 0.3 mg/cm2 was enough significantly reduce biofouling. This modification technique enabled efficient wide range...

10.1021/acsabm.1c01053 article EN ACS Applied Bio Materials 2021-12-25

Although energy-demanding, the surface modification of polytetrafluoroethylene (PTFE) for biomedical applications is mandatory to mitigate irreversible biofouling that occurs whenever PTFE comes into contact with biological fluids. Here, we propose take advantage adhesive properties dopamine (DA) and antifouling ability various zwitterionic monomers (sulfobetaine methacrylate (SBMA), sulfobetaine methacrylamide (SBAA), acrylamide (SBAA'), 4-vinylpyridine propylsulfobetaine (4VPPS)) form...

10.1021/acsbiomaterials.2c00045 article EN ACS Biomaterials Science & Engineering 2022-03-23

Biofouling has long been a problem for biomaterials, so being able to control the fouling on surface of biomaterial would be ideal. In this study copolymer system was designed comprising three moieties: an epoxy containing group, glycidyl methacrylate (GMA); thermoresponsive segment, N-isopropylacrylamide (NIPAAm); and antifouling zwitterionic unit, sulfobetaine (SBMA). The copolymers (pGSN), synthesized via free radical polymerization with these 3 moieties, were then grafted onto...

10.1039/d0tb01478h article EN Journal of Materials Chemistry B 2020-01-01
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