Encapsulation Carbon Quantum Dots in Alginate Hydrogel for Use as Mercury Sensor

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ROSHANI SH.; Ehtesabi H.; BAGHERI Z.

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Journal: JOURNAL OF BIOTECHNOLOGY Year:2020 | Volume:11 | Issue:1 Page(s): 77-84

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Title

Encapsulation Carbon Quantum Dots in Alginate Hydrogel for Use as Mercury Sensor

Author(s)

ROSHANI SH. | Ehtesabi H. | BAGHERI Z. | Issue Writer Certificate

Keywords

Carbon Quantum DotsQ1

Heavy MetalQ2

HydrogelQ1

Mercury SensorQ1

Abstract

Mercury is one of the most harmful pollutants in the environment, which in the event of ingestion into the human body is not metabolized and severe nervous, respiratory and metabolic disorders will occur due to the formation of stable complexes with biological molecules. Therefore, the development of precise, fast and inexpensive methods for mercury detection in the environment is very important. Carbon quantum dot is a new fluorescent substance with unique physical and chemical properties which is taken into consideration for diagnostic applications, especially for Heavy Metals detection at low concentrations. In the present study, carbon dots with blue fluorescent emission were synthesized using the pyrolysis method and characterized. Fluorescent emission intensity of synthesized carbon dots was decreased significantly in interacting with mercury. Then, for providing an easy-to-use mercury detection method, carbon dot was encapsulated in sodium alginate Hydrogel. Quenching fluorescent intensity of encapsulated carbon dots in the Hydrogel structure was evaluated in the presence of mercury and 3 micromolar detection limit was obtained. Encapsulating carbon dots in Hydrogel structure not only extend the use of carbon dot as a Mercury Sensor but also can be used as an adsorbent for mercury pollutant from the environment.

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APA: Copy

ROSHANI, SH., Ehtesabi, H., & BAGHERI, Z.. (2020). Encapsulation Carbon Quantum Dots in Alginate Hydrogel for Use as Mercury Sensor. JOURNAL OF BIOTECHNOLOGY, 11(1 ), 77-84. SID. https://sid.ir/paper/231190/en

Vancouver: Copy

ROSHANI SH., Ehtesabi H., BAGHERI Z.. Encapsulation Carbon Quantum Dots in Alginate Hydrogel for Use as Mercury Sensor. JOURNAL OF BIOTECHNOLOGY[Internet]. 2020;11(1 ):77-84. Available from: https://sid.ir/paper/231190/en

IEEE: Copy

SH. ROSHANI, H. Ehtesabi, and Z. BAGHERI, “Encapsulation Carbon Quantum Dots in Alginate Hydrogel for Use as Mercury Sensor,” JOURNAL OF BIOTECHNOLOGY, vol. 11, no. 1 , pp. 77–84, 2020, [Online]. Available: https://sid.ir/paper/231190/en

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