Fulong Zhang

Sichuan University, Hua-yang, Sichuan, China

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Publications (3)3.64 Total impact

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    ABSTRACT: In this study, stimuli-responsive nanoparticles were prepared by solution polymerization. Two synthesis routes are proposed to synthesize the particles, the monomer route and the polymer/monomer route. For the monomer route, pH and thermal sensitive nanoparticles were synthesized from acrylic acid and N-isopropylacrylamide. For the polymer/monomer route, the pH sensitive nanoparticles were synthesized from chitosan and acrylic acid. The effect of reaction time, initiator concentration and agitation rate on the particle size and the size distribution were investigated. The stimuli-responsive nanoparticles could be directly blended with other polymers to prepare stimuli-responsive functional membranes.
    Journal of Macromolecular Science Part A 02/2011; Part A(Vol. 48):135-141. · 0.81 Impact Factor
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    ABSTRACT: In this article, we presented a general protocol to prepare biomolecule-immobilized mussel-inspired polydopamine (PDA) coatings to improve the blood compatibility of broad ranges of material surfaces. It needs only a simple immersion of substrates in dopamine solution at alkaline pH to form mussel-inspired PDA coating, and then immersing the PDA coated substrates into biomolecule solution to conjugate biomolecules. XPS, water contact angle analysis, and protein assay confirmed that biomolecules could be successfully coated on several material surfaces, including nylon, cellulose, and polyethersulfone membrane surfaces. For the protein fouling resistance, the bovine serum albumin (BSA) modified surfaces were more effective than the amino acid modified surfaces. And the platelet adhesion on the BSA-modified material surfaces was obviously depressed. These results indicated that the blood compatibility of the surfaces was improved by the biomacromolecule-immobilized mussel-inspired coating which might be considered as a universal coating to modify a wide variety of materials.
    Journal of Biomedical Materials Research Part A 01/2011; 96(1):38-45. · 2.83 Impact Factor
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    ABSTRACT: Polydopamine-coatings can be prepared in acidic, neutral and alkaline aqueous media by oxidant-induced polymerization, which is material-independent and multifunctional for surface modification.
    Polym. Chem. 10/2010; 1(9):1430-1433.