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Generation of zinc ion-rich surface via in situ growth of ZIF-8 particle: Microorganism immobilization onto fabric surface for prohibit hospital-acquired infection

Authors
JUNJIRA TANUMMOONHYUN CHOIHYEJOONGJEONGSOHYEONPARKChanutchamon SutthiwanjampaHansoo ParkJINKEE HONG
Issue Date
Oct-2022
Publisher
ELSEVIER SCIENCE SA
Keywords
Microorganism immobilization; Hospital-acquire infection; Surface modification; ZIF-8; Polymer fabric
Citation
CHEMICAL ENGINEERING JOURNAL, v.446, no.1, pp.137054-1 - 137054-10
Journal Title
CHEMICAL ENGINEERING JOURNAL
Volume
446
Number
1
Start Page
137054-1
End Page
137054-10
URI
https://yscholarhub.yonsei.ac.kr/handle/2021.sw.yonsei/6305
DOI
10.1016/j.cej.2022.137054
ISSN
1385-8947
Abstract
Viruses/bacteria outbreaks have motivated us to develop a fabric that will inhibit their transmission with high potency and long-term stability. By creating a metal-ion-rich surface onto polyester (PET) fabric, a method is found to inhibit hospital-acquired infections by immobilizing microorganisms on its surface. ZIF-8 and APTES are utilized to overcome the limitations associated with non-uniform distribution, weak biomolecule interaction, and ion leaching on surfaces. Modified surfaces employing APTES enhance ZIF-8 nucleation by generating a monolayer of self-assembled amine molecules. An in-situ growth approach is then used to produce evenly distributed ZIF-8 throughout it. In comparison with pristine fabric, this large amount of zinc obtained from the modification of the fabric has a higher affinity for interacting with membranes of microorganisms, leading to a 4.55-fold increase in coronavirus spike-glycoprotein immobilization. A series of binding ability stability tests on the surface demonstrate high efficiency of immobilization, >90%, of viruses and model proteins. The immobilization capacity of the modification fabric stayed unchanged after durability testing, demonstrating its durability and stability. It has also been found that this fabric surface modification approach has maintained air/vapor transmittance and air permeability levels comparable to pristine fabrics. These results strongly advocate this developed fabric has the potential for use as an outer layer of face masks or as a medical gown to prevent hospital-acquired infections.
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