Several neurological disorders, including Parkinson's disease, schizophrenia, human immunodeficiency virus infection, and restless leg syndrome, majorly result from disruption in the dopamine (DA) level.
Developing a clean and efficient noble metal free electrocatalyst for oxygen evolution reaction (OER) is urgently needed to accelerate water splitting green energy conversion systems. Herein, we reported the fabrication of a noble metal-free electrocatalyst based on Zn and Co loaded porous C decorated cellulose acetate-polyaniline (ZnCo-C/CA-PANI) electrospun nanofibers at the surface of nickel foam (NF). The smooth coating of CA-PANI electrospun nanofibers at the surface of NF helps in exposing the maximum fraction of ZnCo-C based electrocatalyst and uniform flow of ions at the entire surface, thus resulting in high OH − adsorption capability. The designed ZnCo-C/CA-PANI@NF electrode acts as an efficient electrocatalyst for oxygen evolution reaction (OER) in an alkaline medium and offers a lower onset potential (1.34 V vs RHE), a small Tafel slope of 42 mV/dec, and high stability. These results suggest a concept of exploring more such noble metal free hybrid materials that could induce the efficient electrocatalytic water splitting for sustainable energy conversion.
Herein, we have developed highly sensitive and selective non-enzymatic bioinspired polydopamine derived nitrogen rich carbon (NC) coated bimetallic zeolitic imidazolate framework (BM-ZIF) electrochemical sensor via simple hydrothermal approach for monitoring adrenaline (AD) from COVID-19 quarantined person blood and pharmaceutical sample. The designed NC-BM-ZIF elec-trode shows excellent sensitive and selective performance towards AD monitoring with detection limit (LOD) of 0.01 nM and 0.1931 μA/nM/cm 2 sensitivity over a wide linear range of 50-1625 nM. To the best of our knowledge, this is the first study of using of NC-BM-ZIF electrode for the electrochemical sensing of AD from quarantined person blood and pharmaceutical sample.
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