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MoSx-Co3O4 Nanocomp...
MoSx-Co3O4 Nanocomposite for Selective Determination of Ascorbic Acid
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- Amin, Sidra (författare)
- Univ Sindh, Pakistan; Shaheed Benazir Bhutto Univ, Pakistan
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- Tahira, Aneela (författare)
- Linköpings universitet,Fysik, elektroteknik och matematik,Tekniska fakulteten
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- Solangi, Amber (författare)
- Univ Sindh, Pakistan
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- Nafady, Ayman (författare)
- King Saud Univ, Saudi Arabia
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- Ibupoto, Zafar Hussain (författare)
- Univ Sindh, Pakistan
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(creator_code:org_t)
- AMER SCIENTIFIC PUBLISHERS, 2021
- 2021
- Engelska.
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Ingår i: Journal of Nanoscience and Nanotechnology. - : AMER SCIENTIFIC PUBLISHERS. - 1533-4880 .- 1533-4899. ; 21:4, s. 2595-2603
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Designing a nanocomposite with sensitive and selective determination of ascorbic acid is challenging task. It is possible through the exploitation of attractive features of nanoscience and nanotechnology for the synthesis of nanostructured materials. Herein, we report the decoration of nanoparticle of MoSx on the surface of Co3O4 nanowires by hydrothermal method. The MoSx nanoparticles shared the large surface on the Co3O4 nanowires, thus it supported in the development enzyme free ascorbic acid sensor. Non-enzymatic sensor based on MoSx-Co3O4 composite was found very selective for the determination of ascorbic acid (AA) in phosphate buffer solution of pH 7.4. The MoSx-Co3O4 nanocomposite was used to modify the glassy carbon electrode to measure AA from variety of practical samples. The MoSx-Co3O4 nanocomposite was used to modify the glassy carbon electrode and it has shown the attractive analytical features such as a low working potential +0.3 V, linear range of concentration from 100-7000 mu M, low limit of detection 14 mu M, and low limit of quantification (LOQ) of 42 mu M. The developed sensor is highly selective and stable. Importantly, it was applied successfully for the practical applications such as detection of AA from grapefruit, tomato and lemon juice. The excellent electrochemical properties of fabricated MoSx-Co3O4 nanocomposite can be attributed to the increasing electro active surface area of MoSx. The presented nanocomposite is earth abundant, environment friendly and inexpensive and it holds promising features for the selective and sensitive determination of AA from practical applications. The nanocomposite can be capitalized into the wide range of biomedical applications.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- MoSx-Co3O4 Composite; Ascorbic Acid; Phosphate Buffer
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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