Bacteriostatic Substrate by Conductivity Method and Electric Spark Discharge Method Combined with Electrospinning for Silver Dressing

This study uses the conductivity method, Electric Spark Discharge Method, and the electrospinning technique to develop a better silver-based antibacterial agent. The preparation process is free of chemical substances and also conforms to the green energy-saving process. The silver iodide was prepare...

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Bibliographic Details
Published in:International journal of polymer science 2016-01, Vol.2016 (2016), p.1-10
Main Authors: Tang, Ya-Lan, Chung, Meng-Yun, Chang, Chaur-Yang, Tseng, Kuo-Hsiung
Format: Article
Language:English
Subjects:
Antibiotics
Bacteria
Collagen
Colloids
Conductivity
Drug resistance
Electric discharges
Electric sparks
Electrodes
Electrospinning
Infectious diseases
Iodine
Medical research
Membranes
Methods
Nanostructure
R&D
Research & development
Silver
Silver iodides
Wound healing
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Summary:This study uses the conductivity method, Electric Spark Discharge Method, and the electrospinning technique to develop a better silver-based antibacterial agent. The preparation process is free of chemical substances and also conforms to the green energy-saving process. The silver iodide was prepared in an iodine agar medium by using the conductivity method. Multiple bacteriostasis experiments showed that the molds grew in the position with iodine of the culture medium after 6 days, as well as in the position with silver iodide after 10 days. The results prove that silver iodide has better bacteriostatic ability than povidone iodine. The nanosilver colloid was prepared in the PVA solution by using the Electric Spark Discharge Method. UV-Vis, Zetasizer, and SEM-EDX analyses proved that the PVA solution contained nanosilver colloid with good suspension stability. Finally, the electrospinning technique was used to spin the PVA solution with nanosilver colloid into the PVA nanofibrous membrane. According to UV-Vis analysis, the absorption peak of this nanofibrous membrane is about 415 nm, meaning this nanofibrous membrane contains nucleate nanosilver colloid, and is very suitable for antiseptic dressing.
ISSN:1687-9422
1687-9430
DOI:10.1155/2016/9425358