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Abstract:
Iodine-modified TiO 2 (I-TiO 2 ) film were coated on medical-grade PVC material by impregnation-deposition method and subsequently characterized by XRD, SEM, TEM, AFM, DRS and XPS. The photocatalytic anti-bacterial activity of I-TiO 2 /PVC was investigated both by in vitro anti-bacterial experiments and by clinical study. The results revealed that I-TiO 2 /PVC exhibit excellent photocatalytic antibacterial activity, which can destroy the propagation of the Escherichia coli and cause the deactivation and death of most E. coli bacteria within 30 min visible light illumination. Clinical study on animals showed that I-TiO 2 coated on PVC decrease the formation of biofilm on PVC surface in the mechanical ventilation. Furthermore, I-TiO 2 /PVC can effectively reduce inflammation of tracheal tissue of bam suckling pig and prevents the occurrence of VAP. © 2016 Elsevier B.V.
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Colloids and Surfaces B: Biointerfaces
ISSN: 0927-7765
Year: 2016
Volume: 144
Page: 196-202
3 . 8 8 7
JCR@2016
5 . 4 0 0
JCR@2023
ESI HC Threshold:253
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
SCOPUS Cited Count: 35
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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