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2021 Volume 12 Issue 4

Cocoa pod Inspired Green Synthesis of Nanosilver Decorated on Biochar with Dual-Function in Absorption and Antibacterial


Bui Thu Ha, Nguyen Van Hoa, Huynh Van Tien, Nguyen Phung Anh, Nguyen Van Minh, Duong Nhat Linh, Nguyen Tri
Abstract

The Cocoa pod was utilized as a promising raw material for the green synthesis of multifunctional silver-biochar nanocomposites (Ag/CPB); In which, biochar is prepared from cocoa pod (CP) residue treated by KOH and activated conditions of 700 °C for 1 hour in the CO2 flow after that silver-biochar nanocomposite was synthesized by green chemistry method using CP extraction as reducing and stabilizing agent. The as-prepared Ag/CPB nanocomposites were characterized by using several methods. The results showed a highly crystalline face-centered cubic structure of Ag beside the stacking structure of biochar layers (graphite 002). Both CPB and Ag-CPB are related to the type І and type ІV isotherms combination, indicating the existence of both micropore and mesopore structures. The specific surface area of the Ag/CBP nanomaterials was discovered up to 520 m2/g. The uniform distribution of Ag nanoparticles with spherical shapes and a diameter range of 3–10 nm on the surface of the CPB with the stacking layer structure. The biochar nanomaterial showed high efficiency in the short time in removing Methyl blue (MB). under the suitable conditions, the MB adsorption efficiency reached 97% after 120 minutes. Dopping CPB by silver led to increasing MB adsorption efficiency, resulting in the adsorption time completed only 60 minutes thanks to the interaction of Ag and MB molecules. In addition, the antibacterial activity of Ag/CPB was evaluated by the minimum inhibitory concentration (MIC). The Ag/CPB showed excellent antibacterial activity against P. aeruginosa, E. coli, and Salmonella bacteria with a similar MIC of 1.26 μg/mL.


How to cite this article
Vancouver
Ha B T, Hoa N V, Tien H V, Anh N P, Minh N V, Linh D N, et al. Cocoa pod Inspired Green Synthesis of Nanosilver Decorated on Biochar with Dual-Function in Absorption and Antibacterial. J Biochem Technol. 2021;12(4):36-42. https://doi.org/10.51847/eQNvKNjL3k
APA
Ha, B. T., Hoa, N. V., Tien, H. V., Anh, N. P., Minh, N. V., Linh, D. N., & et al (2021). Cocoa pod Inspired Green Synthesis of Nanosilver Decorated on Biochar with Dual-Function in Absorption and Antibacterial. Journal Of Biochemical Technology, 12(4),36-42. https://doi.org/10.51847/eQNvKNjL3k
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JOURNAL OF BIOCHEMICAL TECHNOLOGY
JOURNAL OF BIOCHEMICAL TECHNOLOGY
Journal of Biochemical Technology is a peer reviewed International Journal published by the Sevas Publishing on behalf of the Biochemical Technology Society, a Registered Charity Organization from India

AREA OF INTEREST
AREA OF INTEREST
Areas of high interest, cover new advances in enzymatic and protein mechanims; applied molecular genetics and biotechnology; genomics and proteomics; metabolic; medical, environmental, food and agro biotechnology.

FOCUS AND SCOPE
FOCUS AND SCOPE
Journal Of Biochemical Technology” Provides A Medium For The Rapid Publication Of Full-Length Articles, Mini-Reviews Of New And Emerging Products And Short Communications On All Aspects Of ...

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