The presence of heavy metals from water sources is a serious environmental concern in the global world which is caused by acceleration of industrial sector and urbanization which leads to serious environmental pollution concern, including the pollution of soil, water, and air. Heavy metal is one of the major and toxic pollutants released into the environment through mining, untreated industrial effluents, poor agricultural practices, electroplating processes and metallurgy. Most of the heavy metals like lead, cadmium, copper, and nickel are more toxic and carcinogenic and could pose serious danger to human beings, it also poses severe effects on ecological receptors and other organisms, as biodegradation of heavy metals is not achieved by bioremediation process in the environment.Hence, finding a significant route to remove heavy metals from the environment is of great importance and has attracted the attention of researchers,Various techniques are available to remove heavy metal pollution;However,most of these techniques are not affordable for all people also these techniques need more time to identify the heavy metal and removed it from the polluted water;In the majority of cases, the peoples from the poorly developed nations still struggle effectively to identify the heavy metals.however, adsorption process is the suitable technique for the removal of heavy metals from polluted water system and rapid, inexpensive and reliable electrochemical sensors will be the best alternative method to the existing expensive heavy metal detection techniques. Therefore, the present study focus on development of versatile electrochemical and colorimetric Nanosensor platform for the detection and adsorbent for removal of heavy metals from polluted water. The nanostructures, Clusters or Quantum dots of Ag, Au, and Transition Metal Dichalcogenides were identified as a sensor platform and adsorbent for detection and removal of heavy metals from polluted water the present study.

Metal nanoparticles as a potential sensor and adsorbent for detection and removal of heavy metal from polluted water system

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