A reduced graphene oxide-Fe3O4 composite functionalized with cetyltrimethylammonium bromide for efficient adsorption of SARS-CoV-2 spike pseudovirus and human enteric viruses

A critical review on the existing wastewater treatment methods in the COVID-19 era: What is the potential of advanced oxidation processes in combatting viral especially SARS-CoV-2?

“…Additionally, graphene has received great attention from the researcher community due to its stable mechanical, thermal, electrical, and other properties. In a recent study [92] , reduced graphene oxide (rGO)-Fe3O4 nanoparticles complexed with cetyltrimethylammonium bromide (CTAB) were employed to retain SARS-CoV-2 spike pseudovirus and three human enteric viruses (HuNoV, HAdV, and HRV). Maximal adsorption capacities of 3.55 × 10 7 , 2.21 × 10 7 , 7.01 × 10 7 , and 6.92 × 10 6 genome copies mg −1 were obtained, respectively.…”

Nanotechnology in the COVID-19 era: Carbon-based nanomaterials as a promising solution

“…The trapping effect of SARS-CoV-2 has been demonstrated for bare GO [ 53 , 71 ], however functionalization of GO has been also proposed for the same application. As an example, reduced GO nanoparticles functionalized with iron and cetyltrimethylammonium bromide have been synthesized to absorb SARS-CoV-2 and other viruses from the environment [ 169 ].…”

Nanomaterials for virus sensing and tracking

“…79,83 These MNPs can act as transducers, catalysts as well as complexing agents for magnetic enrichment. [292][293][294][295][296][297][298] Since interferents and non-specific molecules in complex biological media are nonmagnetic in nature, virus detection with magnetic sensors is significantly more sensitive than optical and electrochemical techniques. 299 Therefore, several promising techniques such as giant magnetoresistance (GMR), 300,301 magnetic particle spectroscopy (MPS), 302,303 magnetic inductance, 260 and magnetic tunneling junction 304,305 are being explored for virus recognition.…”