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Are Membranes Hydrophilic Or Hydrophobic

Written By Saturday, 5 November 2022 Add Comment Edit

Abstract

In this study, an asymmetric wettable blended wound dressing consists of hydrophobic polyvinylidene fluoride (PVDF) outer layer and a hydrophilic polydopamine (PDA) coated Ag nanoparticles (Ag NPs)/PVDF layer (PVDF-Ag-PDA) was successfully prepared through electrospinning and PDA blanket. The results evidence that the contact angle of the PVDF surface is 132.8°, while the PDA-coated surface is nearly 0°, indicating an asymmetric wettability. The highly hydrophilic PVDF-Ag-PDA layer tin can significantly reduce bacterial growth, while the PVDF layer with a small pore size and loftier hydrophobicity can prevent bacterial adherence. In addition, cytotoxic assays showed that PVDF/PVDF-Ag-PDA nowadays a high prison cell viability per centum (above eighty %), which is attributed to that the thin layer of PDA can alleviate the cytotoxicity of Ag NPs. Therefore, the Janus wound dressing noted every bit PVDF/PVDF-Ag-PDA has the potential for applied applications with the advantages mentioned above.

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Acknowledgement

The authors sincerely thank for the financial back up from the National Natural Scientific discipline Foundation of China [Grant No. 52075277 and No. 21805147], the Clinical Medicine + X Research Project of Affiliated Hospital of Qingdao University (NO. QDFY+X2021007).

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Authors and Affiliations

  1. Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Prc

    Mengqi Song & Xiao Hu

  2. Industrial Inquiry Institute of Nonwovens and Technical Textiles, College of Textiles and Vesture, Qingdao University, Qingdao, 266071, China

    Qian Zhao & Jiwei Li

  3. Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao Academy, Qingdao, 266071, Cathay

    Xiuting Wang & Chuan Shi

Corresponding authors

Correspondence to Chuan Shi, Xiao Hu or Jiwei Li.

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The authors declare no conflict of involvement.

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Cite this article

Vocal, M., Zhao, Q., Wang, X. et al. A Hydrophilic/Hydrophobic Janus Membrane Used as Wound Dressings with Enhanced Antibacterial Properties. Fibers Polym 23, 2511–2516 (2022). https://doi.org/10.1007/s12221-022-0127-1

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  • DOI : https://doi.org/10.1007/s12221-022-0127-one

Keywords

  • Janus
  • Polydopamine coating
  • Anti-bacteria
  • PVDF
  • Ag NPs

Are Membranes Hydrophilic Or Hydrophobic,

Source: https://link.springer.com/article/10.1007/s12221-022-0127-1

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