Co-MoF Derived Colorimetric Sensors for Detection of Environmental Toxic Heavy Metal Analysis

Rabah Mahmoud Ahmad Ismail; Edith Ajiroghene Enemose; Marwa Al-Jamal; Sathish Kumar Ramachandran; Hashem Al-Mattarneh; Durgaprasad Gangodkar

doi:10.4028/p-6pqbv5

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 117Co-MoF Derived Colorimetric Sensors for Detection...

Co-MoF Derived Colorimetric Sensors for Detection of Environmental Toxic Heavy Metal Analysis

Abstract:

The Co-MoF was identified as better catalyst for colorimetric sensing for effective detection of Hg²⁺ions. The mimicking activities and oxidise the TMB in the existence of hydrogen peroxide (H₂O₂) to create a blue-colored sample. The oxidation of TMB was greatly delayed or reduced in the existence of bio-molecule Glutathione since of its stronger cations to repair capability. GSH substrates are oxidised when Hg²⁺ is introduced because of the higher interaction of mercury ions for GSH's thiol groups. Hg²⁺ concentrations ranged from 1 to 50 nM, and it exhibits a LOD of 0.28 nM reached in this study. To our surprise, the proposed sensor technology for detecting mercury contamination from industrial wastewater shows great potential.

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Periodical:

Advances in Science and Technology (Volume 117)

Pages:

43-49

DOI:

https://doi.org/10.4028/p-6pqbv5

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Online since:

August 2022

Authors:

Rabah Mahmoud Ahmad Ismail, Edith Ajiroghene Enemose, Marwa Al-Jamal, Sathish Kumar Ramachandran*, Hashem Al-Mattarneh, Durgaprasad Gangodkar

Keywords:

Colorimetric Sensor, Heavy Metal, Mercury, Metal Organic Framework

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