Fabrication of an (α-Mn₂O₃:Co)-decorated CNT highly sensitive screen printed electrode for the optimization and electrochemical determination of cyclobenzaprine hydrochloride using response surface methodology

Abstract

<p>A new chemically optimized screen-printed electrode modified with a cobalt-doped α-Mn₂O₃ nanostructure on carbon nanotube paste (α-Mn₂O₃:Co@CNTs) has been constructed for the recognition of cyclobenzaprine hydrochloride.</p>

Modulation of the Morphological Architecture of Mn2O3 Nanoparticles to MnCoO Nanoflakes by Loading Co3+ Via a Co-Precipitation Approach for Mosquitocidal Development

“…As described in Figure 2 a, the Mn 2 O 3 spectrum composed of Mn and O elements of weight percent 74.22 and 25.78 wt.%, respectively. In Figure 2 b, the EDAX spectrum proved that the cobalt atoms were successfully incorporated into the host Mn 2 O 3 (17.12 wt.%), resulting in the production of MnCoO nanocomposite [ 32 , 33 ].…”

Green Prospective Approach of Chromium Zinc Oxide Nanoparticles for Highly Ultrasensitive Electrochemical Detection of Anti-hypotensive Medication in Various Matrices

“…The LOD and LOQ values were determined using the documented formulae in ICH guidelines which is based on the standard deviation of the calibration curve intercept (b) and the calibration curve slope (S). These formulae can be written as: LOD = 3.3 S/b and LOQ = 10 S/b. , Table displays the values of the LOD and LOQ.…”

“…The influence of scan rates ( v ) on peak current ( I p ) was investigated using the CV of ETF solution in PBS (pH 7). As shown in Figure b, log I p and log v exhibited a linear relationship in the range of 0.02–0.18 V/s (Figure b), as given by the equation: log nobreak0em.25em⁡ I normalp .25em ( μ A ) = 0.537 .25em log nobreak0em.25em⁡ ν ( V / s ) + 1.137 The measured slope value (0.53) in above equation is close to the theoretically expected value (0.5) for the diffusion-controlled reaction, approving that ETF electro-oxidation is a diffusion-controlled process via the modified electrode (Cr/ZnO-NPs/CPE). − The cornerstone of the electrode sensing mechanism is a molecular diffusion process, which is described as the movement of molecules from a high concentration zone to a low concentration zone. The Laviron equation may be used to compute the number of electrons involved in an electrochemical reaction which is shown below E = E normalo + ( 2.303 R T a n F ) .25em log ( R T K ° a n F ) + ( 2.303 R T a n F ) .25em log nobreak0em.25em⁡ υ Upon graphing the log scan rate (log υ) versus potential (Figure a), the obtained slope can be used for α n calculation.…”

Synthesis of MnCoO/CNT nanoflakes for the photocatalytic degradation of methyl orange dye and the evaluation of their activity against Culex pipiens larvae in the purification of fresh water

“…2d shows the reduction in the nanoakes due to the CNT substitutions. 21,24,25 The TEM images of MnCoO and MnCoO/CNTs are shown in Fig. 2e and f.…”