Synthesis of silver/Fe3O4@chitosan@polyvinyl alcohol magnetic nanoparticles as an antibacterial agent for accelerating wound healing

In Situ Growth of Fe3O4 Nanoparticles in Poly(arylene ether nitrile)/Graphene/Carbon Nanotube Foams for Electromagnetic Interference Shielding

“…The chemical structures and composition of the porous composite foams were analyzed by X-ray photoelectron spectroscopy (XPS) (as shown in Figure 4B− observed. 45,48 Moreover, the satellite peaks at 718.67 and 732.01 eV were also corroborative evidence for the existence of magnetic oxides. 44 The results of the characterization described above illustrated that Fe 3 O 4 was successfully generated in situ on the PEN foam skeletons.…”

“…Figure C exhibited the XPS spectrum of Fe 2p of the GCF composite foams, in which the intense signals for Fe 2p 3/2 and Fe 2p 1/2 validated the presence of Fe 3 O 4 particles. , Table S1 displays that the atomic percentages of Fe 2p in GCF composite foams range from 10.93 to 16.74%. The high-resolution spectra of Fe 2p of GCF2, GCF3, and GCF4 were shown in Figure D–F, respectively, in which the characteristic peaks belonging to Fe 2+ 2p at 710.34 and 723.79 eV, as well as the characteristic peaks belonging to Fe 3+ 2p at 712.87 and 726.79 eV, were observed. , Moreover, the satellite peaks at 718.67 and 732.01 eV were also corroborative evidence for the existence of magnetic oxides . The results of the characterization described above illustrated that Fe 3 O 4 was successfully generated in situ on the PEN foam skeletons.…”

Silver Nanoparticles Loaded on Chitosan-g-PVA Hydrogel for the Wound-Healing Applications

“…In S1Ag0.3 hydrogel, a broad absorption peak of AgNPs was formed at low AgNP concentration, whereas S1Ag0.8 revealed that increasing AgNP concentration resulted in more acute absorption. The distribution of AgNPs in S1Ag0.8 hydrogel was higher than in S1Ag0.3 hydrogel [ 22 ].…”

“…Oxygen plasma has been used to load chitosan/polyenyl alcohol gels after modifying poly L-lactic acid with silver nanoparticles. There was biocompatibility, as well as antibacterial activity [ 22 , 23 , 24 ]. The current study will use green tea leaves as a green-reducing agent to biosynthesize AgNPs after loading them into chitosan hydrogels using a microwave irradiation technique [ 25 , 26 ].…”

Strategy for Avoiding Alicyclobacillus acidocaldarius Contamination of Apple Juice by Adding Magnetosomes/Antibacterial Peptide Composites

“…The inhibitory activity of MN and MN@IDR-1018 against A. acidoterrestris was determined by the traditional plate counting method. 34 A concentration of 200 μg mL −1 MN and different concentrations of 0, 12.5, 25, 50, 100, and 200 μg mL −1 MN@IDR-1018 were added to PBS containing 10 6 CFU mL −1 A. acidoterrestris. After incubation for 1 h at 45 °C and 140 rpm, the standard magnetic separation process was performed, and 100 μL of supernatant was coated on solid AAM (yeast extract, 2.0 g; glucose, 2.0 g; (NH 4 ) 2 SO 4 , 0.4 g; MgSO 4 , 1.0 g; CaCl 2 , 0.38 g; KH 2 PO 4 , 1.2 g; agar powder, 15 g; distilled water, 1.0 L).…”