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1. Fabrication and Characterization of Poly (vinyl alcohol) and Chitosan Oligosaccharide-Based Blend Films

Author

Dilshad Qureshi, Ayasharani Sahoo, Biswaranjan Mohanty, Arfat Anis, Viktoryia Kulikouskaya, Kseniya Hileuskaya, Vladimir Agabekov, Preetam Sarkar, Sirsendu Sekhar Ray, Samarendra Maji, and Kunal Pal

Subjects
poly (vinyl alcohol), chitosan oligosaccharide, blends, films, semicrystalline, drug delivery, Science, Chemistry, QD1-999, Inorganic chemistry, QD146-197, General. Including alchemy, QD1-65
Abstract

In the present study, we report the development of poly (vinyl alcohol) (PVA) and chitosan oligosaccharide (COS)-based novel blend films. The concentration of COS was varied between 2.5–10.0 wt% within the films. The inclusion of COS added a brown hue to the films. FTIR spectroscopy revealed that the extent of intermolecular hydrogen bonding was most prominent in the film that contained 5.0 wt% of COS. The diffractograms showed that COS altered the degree of crystallinity of the films in a composition-dependent manner. As evident from the thermal analysis, COS content profoundly impacted the evaporation of water molecules from the composite films. Stress relaxation studies demonstrated that the blend films exhibited more mechanical stability as compared to the control film. The impedance profiles indicated the capacitive-dominant behavior of the prepared films. Ciprofloxacin HCl-loaded films showed excellent antimicrobial activity against Escherichia coli and Bacillus cereus. The prepared films were observed to be biocompatible. Hence, the prepared PVA/COS-based blend films may be explored for drug delivery applications.

Published
2021
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2. Fabrication and Characterization of Poly (vinyl alcohol) and Chitosan Oligosaccharide-Based Blend Films

Author

Dilshad Qureshi, Kunal Pal, Preetam Sarkar, Arfat Anis, Kseniya Hileuskaya, Viktoryia Kulikouskaya, Ayasharani Sahoo, Vladimir Agabekov, Samarendra Maji, S. Saha Ray, and Biswaranjan Mohanty

Subjects
Vinyl alcohol, Materials science, Polymers and Plastics, Science, Composite number, Bioengineering, General. Including alchemy, 02 engineering and technology, 010402 general chemistry, 01 natural sciences, Article, Biomaterials, chemistry.chemical_compound, Crystallinity, QD1-65, Stress relaxation, semicrystalline, Fourier transform infrared spectroscopy, Thermal analysis, QD1-999, QD146-197, Hydrogen bond, Organic Chemistry, poly (vinyl alcohol), 021001 nanoscience & nanotechnology, Evaporation (deposition), 0104 chemical sciences, Chemistry, chemistry, Chemical engineering, drug delivery, chitosan oligosaccharide, blends, films, 0210 nano-technology, Inorganic chemistry
Abstract

In the present study, we report the development of poly (vinyl alcohol) (PVA) and chitosan oligosaccharide (COS)-based novel blend films. The concentration of COS was varied between 2.5–10.0 wt% within the films. The inclusion of COS added a brown hue to the films. FTIR spectroscopy revealed that the extent of intermolecular hydrogen bonding was most prominent in the film that contained 5.0 wt% of COS. The diffractograms showed that COS altered the degree of crystallinity of the films in a composition-dependent manner. As evident from the thermal analysis, COS content profoundly impacted the evaporation of water molecules from the composite films. Stress relaxation studies demonstrated that the blend films exhibited more mechanical stability as compared to the control film. The impedance profiles indicated the capacitive-dominant behavior of the prepared films. Ciprofloxacin HCl-loaded films showed excellent antimicrobial activity against Escherichia coli and Bacillus cereus. The prepared films were observed to be biocompatible. Hence, the prepared PVA/COS-based blend films may be explored for drug delivery applications.

Published
2020

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