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Cellulose

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Surface modification of cellulose/polyvinyl alcohol biocomposites by non-thermal argon plasma: applications towards biological relevance

  • Ganeswar Dalei
  • Subhraseema DasEmail author
  • Soumya R. Jena
  • Jasmine Nayak
  • Luna Samanta
  • Smruti P. DasEmail author
Original Research
  • 29 Downloads

Abstract

With the current scenario of green chemistry looming large, biocomposites comprising cellulose and polyvinyl alcohol were synthesized using a non-toxic crosslinker, tetraethyl orthosilicate. Surface modification of the aforementioned composites was performed by non-thermal argon plasma. The plasma treatment rendered the composites hydrophilic; evident from the contact angle, surface free energy, swelling and FTIR studies. X-ray diffractrograms revealed plasma treatment did not hamper the organization of the polymer chains in the composites. With increasing hydrophilicity, the polymeric matrix acquired a more porous morphology. More so, enhanced surface roughness was also witnessed post-plasma treatment. The composites exhibited good antimicrobial activity against gram-positive bacterium S. pyogenes. Ibuprofen release studies from the composites validate their drug delivery potential. Hemolytic experiments confirm that plasma treatment does not evoke any detrimental effects on the structure of blood cells. Cytotoxicity assessment on MCF-7 cells demonstrated the biocompatibility and high cell viability of the composites. The composites were found to be remarkably biodegradable. Surface modified cellulose/polyvinyl alcohol composites by non-thermal Ar plasma are indeed potent for myriad applications towards biological relevance.

Graphical abstract

Keywords

Cellulose PVA Surface modification Non-thermal plasma Biological efficacy 

Notes

Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.

Supplementary material

10570_2019_2243_MOESM1_ESM.docx (144 kb)
Supplementary material 1 (DOCX 144 kb)

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of ChemistryRavenshaw UniversityCuttackIndia
  2. 2.Department of ZoologyRavenshaw UniversityCuttackIndia

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