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Beilstein J. Nanotechnol. 2026, 17, 1087–1102, doi:10.3762/bjnano.17.74
Figure 1: (a) XRD patterns, (b) nitrogen adsorption/desorption isotherms, (c) FTIR spectra, (d) Raman spectra...
Figure 2: HRTEM observation of (S,N)-GO (a) and (S,N)-rGO (b).
Figure 3: EDX mapping of (S,N)-rGO.
Figure 4: (a) Cyclic voltammograms (CVs) recorded at different electrodes (GCE, GO/GCE, (S,N)-GO/GCE, rGO/GCE...
Figure 5: (a) CVs of (S,N)-rGO/GCE in 0.1 M Britton–Robinson buffer at different pH values (2.0–8.0) containi...
Figure 6: (a) CVs of (S,N)-rGO/GCE in 0.1 M Britton–Robinson buffer (pH 4.0) containing 20 µM SDN at differen...
Figure 7: (a) Molecular structures, (b) CVs, and (c) DPVs of SDN, ciprofloxacin, and ofloxacin with concentra...
Figure 8: (a) DPV curves of (S,N)-rGO/GCE in 0.1 M Britton–Robinson buffer (pH 4.0) for different concentrati...
Figure 9: (a) Variation of peak current (Ip) for SDN at four concentrations (1.0, 2.0, 13.8, and 19.6 µM) rec...
Beilstein J. Nanotechnol. 2026, 17, 541–554, doi:10.3762/bjnano.17.35
Figure 1: (a) X-ray diffraction (XRD) patterns of graphene oxide (GO), reduced graphene oxide (rGO), and MIL-...
Figure 2: EDX elemental mapping and elemental composition of MIL-101/rGO (3.3), (a) EDX spectrum, (b) electro...
Figure 3: XPS spectra of the MIL-101/rGO (3.3): (a) survey spectrum, (b) high-resolution Cr 2p spectrum, (c) ...
Figure 4: SEM observation of (a) rGO, (b) MIL-101, and (c) MIL-101(Cr)/rGO (3.3).
Figure 5: (a) Cyclic voltammograms (CVs) recorded at different electrodes in 0.1 M BRS buffer (pH 4) containi...
Figure 6: (a) CVs of MIL-101/rGO(3.3)/GCE recorded in 0.1 M BR buffer over the pH range of 2–9 containing 15 ...
Figure 7: (a) Cyclic voltammograms of MIL-101/rGO(3.3)/GCE recorded in 0.1 M BR buffer (pH 4) containing 15 µ...
Scheme 1: The oxidation mechanism of CPR at MIL-101/rGO/CGE.
Figure 8: (a) DPV curves of MIL-101/rGO(3.3)/GCE recorded in 0.1 M BRS buffer (pH 4) at CPR concentrations ra...
Figure 9: (a) Relative standard deviation of the anodic peak currents obtained from DPV measurements recorded...
Figure 10: Relative error (RE%) caused by the interference of selected inorganic (a) and organic (b) species a...