Efficient removal of atrazine from aqueous solutions using magnetic Saccharomyces cerevisiae bionanomaterial
Applied Microbiology and Biotechnology, ISSN: 1432-0614, Vol: 102, Issue: 17, Page: 7597-7610
2018
- 42Citations
- 33Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations42
- Citation Indexes42
- 42
- CrossRef6
- Captures33
- Readers33
- 33
Article Description
A novel bionanomaterial comprising Saccharomyces cerevisiae (S. cerevisiae) and Fe O nanoparticles encapsulated in a sodium alginate-polyvinyl alcohol (SA-PVA) matrix was synthesized for the efficient removal of atrazine from aqueous solutions. The effects of the operating parameters, nitrogen source, and glucose and Fe contents on atrazine removal were investigated, and the intermediates were detected by gas chromatography-mass spectrometry (GC-MS). In addition, the synthesized Fe O particles were characterized by XRD, EDX, HR-TEM, FTIR, and hysteresis loops, and the bionanomaterial was characterized by SEM. The results showed that the maximum removal efficiency of 100% was achieved at 28 °C, a pH of 7.0, and 150 rpm with an initial atrazine concentration of 2.0 mg L and that the removal efficiency was still higher than 95.53% even when the initial atrazine concentration was 50 mg L . Biodegradation was demonstrated to be the dominant removal mechanism for atrazine because atrazine was consumed as the sole carbon source for S. cerevisiae. The results of GC-MS showed that dechlorination, dealkylation, deamination, isomerization, and mineralization occurred in the process of atrazine degradation, and thus, a new degradation pathway was proposed. These results indicated that this bionanomaterial has great potential for the bioremediation of atrazine-contaminated water.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85048578563&origin=inward; http://dx.doi.org/10.1007/s00253-018-9143-x; http://www.ncbi.nlm.nih.gov/pubmed/29909573; http://link.springer.com/10.1007/s00253-018-9143-x; https://dx.doi.org/10.1007/s00253-018-9143-x; https://link.springer.com/article/10.1007/s00253-018-9143-x
Springer Science and Business Media LLC
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