Preparation and antibacterial properties of Ag@polydopamine/graphene oxide sheet nanocomposite

Highly sensitive amperometric sensing of nitrite utilizing bulk-modified MnO 2 decorated Graphene oxide nanocomposite screen-printed electrodes

“…The main hindrance in the use of GO is due to the oxygen containing functional groups which result in loss in electrical conductivity as compared to graphene. This can be overcome by coupling GO with metal [22,23], metal oxide [24,25], metal hydroxide [26], metal sulfide [27] and noble metal nanoparticles [28][29][30] where GO provides large surface area for the immobilization of inorganic nano-particles to form composites with enhanced electrocatalytic performance.…”

The Antibacterial Applications of Graphene and Its Derivatives

“…Other molecules, such as polyethyleneimine (PEI), improved the stability or cytocompatibility of the substrate, although a reductant was still needed . Molecules like polydopamine (PDA) are versatile and act not only as a stabilizer or protectant but also as a reducing agent . In addition to solvent and substrate, the pH value contributes to NP morphology.…”

Developing of a novel antibacterial agent by functionalization of graphene oxide with guanidine polymer with enhanced antibacterial activity

“…By direct contact, the sharp edges of graphene nanosheets can induce membrane stress, which may result in physical damage on cell membranes, leading to the loss of bacterial membrane integrity and the leakage of RNA [22]. Several GO-based composites, such as GO-Ag [20,[23][24][25] and GO-ZnO [26] are fabricated as antibacterial products. Those GO-based composites demonstrate markedly enhanced antibacterial effects.…”

“…In recent years, it has been reported that graphene and graphene-based composites present powerful antibacterial effect [13,[19][20][21][22][23][24][25][26]. Antibacterial activity of graphene and graphene-based composites is found to assign to membrane puncture [22].…”