2021
DOI: 10.1557/s43580-021-00079-0
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Surface adhesion of viruses and bacteria: Defend only and/or vibrationally extinguish also?! A perspective

Abstract: Graphic abstract Coronaviruses COVID-19, SARS-CoV and NL63 use spikes in their corona to bind to angiotensin converting enzyme 2 (ACE2) sites on cytoskeletal membranes of host cells to deliver their viral payload. While groups such as disulfides in ACE2’s zinc metallopeptidase, and also in COVID-19’s spikes, facilitate such binding, it is worth exploring how similar complementary sites on materials such as polymers, metals, ceramics, fabrics, and biomaterials promote binding of viruses and bacteria … Show more

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Cited by 5 publications
(5 citation statements)
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“…The newly fabricated 45%TiO 2 + 5%Ag + 45%ZrO 2 + 5%Cu ceramic material showed combined virus adhesion, virucidal, and infiltration capability. The number of infective virus particles in this ceramic was significantly lower compared to that in the reference TiO 2 ceramic, which does not have inherent virucidal properties, although viruses can adhere to a TiO 2 surface (Figure 4B,C) [62][63][64]. If one assumes that the same number of viruses in a drop of virus suspension sedimented to the disk surface, irrespective of the surface chemistry, then the decreased number of infective viruses on fabricated surfaces indicates a virucidal contact effect of the new material.…”
Section: Discussionmentioning
confidence: 91%
“…The newly fabricated 45%TiO 2 + 5%Ag + 45%ZrO 2 + 5%Cu ceramic material showed combined virus adhesion, virucidal, and infiltration capability. The number of infective virus particles in this ceramic was significantly lower compared to that in the reference TiO 2 ceramic, which does not have inherent virucidal properties, although viruses can adhere to a TiO 2 surface (Figure 4B,C) [62][63][64]. If one assumes that the same number of viruses in a drop of virus suspension sedimented to the disk surface, irrespective of the surface chemistry, then the decreased number of infective viruses on fabricated surfaces indicates a virucidal contact effect of the new material.…”
Section: Discussionmentioning
confidence: 91%
“…The pathogen’s lectin-like proteins attach to the glycan-based outer membrane of host cells as the initial stage of bacterial infection in humans 39 , 40 . These interactions are typical for viruses, bacteria that adhere to surfaces through surface adhesion molecules, and bacteria that release toxins 41 . Bacterial toxins frequently have an enzyme that changes the physiology of the target cell by cytotoxicity and a binding domain that facilitates certain cellular interactions 42 .…”
Section: Discussionmentioning
confidence: 99%
“…Understanding the balance between mechanical disruption and adhesion may make it possible to create surface-viral interactions, particularly for comprehending the role of surface charges. It may also help to recognize the mechanics of intersecting sites in structure within the protein (Kolel-Veetil et al 2021).…”
Section: Adhesion and Surface Chargesmentioning
confidence: 99%