PREPARATION OF CHITOSAN NANOPARTICLES BY TWO DIFFERENT METHODS OF IONIC GELATION AND ELECTRO-SPRAY AND COMPARISON THEIR PROPERTIES

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VAEZIFAR SEDIGHEH; GOLOZAR MOHAMMAD ALI; RAZAVI SHAHNAZ

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Seminar: IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY
Year:2014 | Issue:20

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Title

PREPARATION OF CHITOSAN NANOPARTICLES BY TWO DIFFERENT METHODS OF IONIC GELATION AND ELECTRO-SPRAY AND COMPARISON THEIR PROPERTIES

Author(s)

VAEZIFAR SEDIGHEH | GOLOZAR MOHAMMAD ALI | RAZAVI SHAHNAZ | Issue Writer Certificate

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Abstract

CHITOSAN IS A NATURAL BIOPOLYMER. IT IS SUITABLE FOR MANY APPLICATIONS [1]. IN THIS RESEARCH, CHITOSAN NANOPARTICLES WERE PREPARED BASED ON THE IONIC GELATION AND ELECTRO-SPRAY METHODS AND THEN COMPARED TOGETHER. IN IONIC GELATION METHOD [2], EFFECTS OF PARAMETERS SUCH AS CHITOSAN CONCENTRATION, TRIPOLYPHOSPHATE CONCENTRATION, AND REACTION TIME ON THE PARTICLE SIZE DISTRIBUTION WERE INVESTIGATED. THEREFORE, THE MAIN OBJECT WAS TO INVESTIGATE THE EFFECT OF SOME PARAMETERS ON PARTICLE SIZE DISTRIBUTION AND DETERMINE THE OPTIMUM CONDITIONS FOR PREPARING CHITOSAN NANOPARTICLES BY TWO DIFFERENT METHODS, FOLLOWED BY EVALUATION OF THE PHYSICOCHEMICAL AND STRUCTURAL PROPERTIES. THE OPTIMUM CHITOSAN CONCENTRATION, TRIPOLYPHOSPHATE CONCENTRATION, AND REACTION TIME WERE FOUND TO BE 1.0 MG/ML, 1.0 MG/ML, AND 60 MIN, RESPECTIVELY. IN ELECTRO-SPRAYING METHOD, CHITOSAN WAS DISSOLVED IN TFA AT A CONCENTRATION OF 2% W/V BEFORE BEING SPRAYED ONTO THE TARGET BY ELECTROSTATIC CHARGE AND AT A FEEDING RATE OF 0.33 ML/HR AND AN APPLIED VOLTAGE OF 13-14 KV. THE DISTANCE BETWEEN THE SPRAYING NOZZLE AND THE MAT WAS 10 CM. THE PHYSICOCHEMICAL PROPERTIES OF THE CHITOSAN NANOPARTICLES WERE STUDIED USING SEM, TEM, XRD PATTERN, FTIR, UV–VIS, TGA, AND NMR SPECTRA. THE AVERAGE PARTICLE SIZE OF CHITOSAN NANOPARTICLES PREPARED BY IONIC GELATION METHOD IS LESS THAN THE ONES THAT PREPARED BY ELECTRO-SPRAY METHOD. CHITOSAN NANOPARTICLE PREPARED BY IONIC GELATION METHOD HAS A NARROW PARTICLE SIZE DISTRIBUTION.

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APA: Copy

VAEZIFAR, SEDIGHEH, GOLOZAR, MOHAMMAD ALI, & RAZAVI, SHAHNAZ. (2014). PREPARATION OF CHITOSAN NANOPARTICLES BY TWO DIFFERENT METHODS OF IONIC GELATION AND ELECTRO-SPRAY AND COMPARISON THEIR PROPERTIES. IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. SID. https://sid.ir/paper/911206/en

Vancouver: Copy

VAEZIFAR SEDIGHEH, GOLOZAR MOHAMMAD ALI, RAZAVI SHAHNAZ. PREPARATION OF CHITOSAN NANOPARTICLES BY TWO DIFFERENT METHODS OF IONIC GELATION AND ELECTRO-SPRAY AND COMPARISON THEIR PROPERTIES. 2014. Available from: https://sid.ir/paper/911206/en

IEEE: Copy

SEDIGHEH VAEZIFAR, MOHAMMAD ALI GOLOZAR, and SHAHNAZ RAZAVI, “PREPARATION OF CHITOSAN NANOPARTICLES BY TWO DIFFERENT METHODS OF IONIC GELATION AND ELECTRO-SPRAY AND COMPARISON THEIR PROPERTIES,” presented at the IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/911206/en

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