Abstract
Due to the abuse of antibiotics, more and more bacteria are resistant to antibiotics. Non antibiotic nano antibacterial materials emerge as the times require. Carbon based nano enzyme is an efficient and environmentally friendly antibacterial material with certain antibacterial effect. It has simple structure and good compatibility. It can be combined with a variety of antibacterial substances to form composite antibacterial materials, expand the scope of antibacterial and improve the antibacterial ability. This paper summarizes the research progress of three kinds of carbon based nanoenzymes including carbon nanotubes, graphene, carbon quantum dots and their composites in the field of antibacterial.
Highlights
In nature, bacteria and viruses are everywhere
The results show that the size, dispersion, concentration and buffer type of CNTs have some influence on their antibacterial activity.Yang et al 3found that the length of single-walled carbon nanotubes (SWCNTs) affected their antibacterial activity
It was found that the antibacterial effect of Ag / multi walled carbon nanotubes (MWCNTs) on Escherichia coli was better than that on Staphylococcus aureus, which may be because the cell wall of Gram-negative bacteria was thinner than that of Gram-positive bacteria, which made it easier for silver ions to penetrate the cell wall and enter the cells, leading to the death of bacteria
Summary
Bacteria and viruses are everywhere. To effectively kill bacteria and inhibit the growth and reproduction of bacteria is an important topic closely related to human health, which has been widely concerned by the scientific community. A kind of green and environmentally friendly antibacterial material that will not make bacteria resistant is widely expected. Nano antibacterial material is a kind of material that uses nano technology to treat inorganic antibacterial agent, so that it has more extensive and excellent bactericidal ability. It can achieve long-term antibacterial effect through slow-release effect. Among the above three kinds of nanoenzymes, carbon based nanoenzymes have good environmental friendliness, large specific surface area, excellent physical properties, as well as the adsorption and immobilization ability of molecules and nanoparticles, so they are an excellent choice as bactericidal materials and carriers. Carbon based nanoenzymes used in antibacterial field mainly include carbon nanotubes, graphene, carbon quantum dots and so on
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