Magnetic field-enhanced radical intensity for accelerating norfloxacin degradation under FeCu/rGO photo-Fenton catalysis

Facile Detection of Blood Creatinine Using Binary Copper–Iron Oxide and rGO-Based Nanocomposite on 3D Printed Ag-Electrode under POC Settings

“…These peaks certify that the iron oxide in nanocomposite is in Fe 2 O 3 form (Figure c). Copper deconvolution in Figure d shows two major peaks of Cu 2p at 932.25 and 953.88 eV corresponding to the Cu 1+ of Cu 2 O . Also, a strong peak is observed at 934.02 eV that is assigned to Cu 0 state .…”

“…Copper deconvolution in Figure 2d shows two major peaks of Cu 2p at 932.25 and 953.88 eV corresponding to the Cu 1+ of Cu 2 O. 44 Also, a strong peak is observed at 934.02 eV that is assigned to Cu 0 state. 45 The satellite peak at approximately 941.06 eV may be due to metallic copper and/or partially oxidized copper.…”

“…The XRD patterns with five diffraction peaks at 29.6° (110), 35.6° (111), 42.1° (200), 52.33° (211), and 62.1° (220) confirm the presence of cuprous oxide (Cu 2 O) structure (JCPDS No. 05–0667). , The presence of cuprous oxide in the nanocomposite may be due to the oxidative-addition reaction of surface Cu-atoms of the bulk Cu 0 nanoparticles with rGO during stabilization. The characteristic peak of reduced graphene oxide at 2θ of 26.93° (002) designates the reduction of oxygen functional groups of graphene oxide in the electrodeposited Fe–Cu–rGO nanocomposite on the Ag-electrode …”

Synthesis of poly (vinylpyrrolidone)/Fe3O4@SiO2 nanoporous catalyst by γ‐rays and evaluation their sono‐photo‐Fenton degradation of toluidine blue under magnetic field

“…The MF enhances the degradation rate of TB [ 54 ] via three routs (i) increased • OH and O 2 •– /HO 2 • were emerged owing to the accelerated separation of photo‐induced carriers, (ii) extended of O‐O and O–H bonds in H 2 O 2 and boosted spin transition of radical pairs ([HO • ··· • OH] and [HOO • ··· • H]) from singlet to triplet state, (iii) accelerating the separation of photo‐induced e − /h + pairs. [ 55 ] Under sonication process the degradation of dye takes place through the formation of • OH due to the acoustic cavitation phenomenon generated from water scission by the implosion of cavitation bubbles. [ 19 , 56 ] Furthermore, the sonication could generate a shear force for continuously cleaning the surface of catalyst [ 53 ] and attributed to an increase in its surface area.…”

“…This catalytic reaction is propagated in chain reactions in which the • OH radicals will subsequently attack the TB dye. The MF enhances the degradation rate of TB [54] via three routs (i) increased [55] Under sonication process the degradation of dye takes place through the formation of • OH due to the acoustic cavitation phenomenon generated from water scission by the implosion of cavitation bubbles. [19,56] Furthermore, the sonication could generate a shear force for continuously cleaning the surface of catalyst [53] and attributed to an increase in its surface area.…”