Algae-synthesized cerium oxide nanoparticles for antibiotic degradation in water and subsequent bioenergy production.

IF 2.6 4区生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

3 Biotech Pub Date : 2024-12-01 Epub Date: 2024-11-29 DOI:10.1007/s13205-024-04134-z

Monika Dubey, Jyoti Sharma, Richa Krishna, Vipin Chawla, Subhasha Nigam, Monika Joshi

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Abstract

In the present study, CeO₂ nanoparticles were synthesized using one-pot green route with high yield using microalgae Chlorella sorokiniana. The synthesized CeO₂ nanoparticles (CeO₂-np) exhibited rapid photocatalytic degradation 98.2% of doxycycline (DC) (20 mg/L) in only 30 min under visible light at pH7 in water. It was encouraging that CeO₂-np did not demonstrate a loss of photocatalytic activity up to five repeated cycles, confirming its stability during the degradation process. Moreover, cytotoxicity evaluation of CeO₂-nps on the green alga Chlorella sorokiniana advocated its non-toxic nature by supporting algal growth (0.52 g/L biomass) with 13% total lipids after 12 days in DC treated water. Ultimately, the produced algal biomass could be further utilized as a feedstock of biofuel production.

Supplementary information: The online version contains supplementary material available at 10.1007/s13205-024-04134-z.

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藻类合成的氧化铈纳米颗粒用于水中抗生素降解和随后的生物能源生产。

本研究以小球藻为原料，采用一锅绿法高产地合成了CeO2纳米颗粒。在所合成的CeO2纳米颗粒（CeO2-np）在pH7的可见光条件下，在30 min内快速光催化降解98.2%的强力霉素（DC）（20 mg/L）。令人鼓舞的是，CeO2-np在5个重复循环中没有表现出光催化活性的损失，证实了其在降解过程中的稳定性。此外，CeO2-nps对小球藻（Chlorella sorokiniana）的细胞毒性评价表明，CeO2-nps在DC处理后的水中12天后支持藻类生长（0.52 g/L生物量），总脂含量为13%。最终，生产的藻类生物量可以进一步用作生物燃料生产的原料。补充信息：在线版本包含补充资料，提供地址为10.1007/s13205-024-04134-z。

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来源期刊

3 Biotech Agricultural and Biological Sciences-Agricultural and Biological Sciences (miscellaneous)

CiteScore

6.00

自引率

0.00%

发文量

314

期刊介绍： 3 Biotech publishes the results of the latest research related to the study and application of biotechnology to: - Medicine and Biomedical Sciences - Agriculture - The Environment The focus on these three technology sectors recognizes that complete Biotechnology applications often require a combination of techniques. 3 Biotech not only presents the latest developments in biotechnology but also addresses the problems and benefits of integrating a variety of techniques for a particular application. 3 Biotech will appeal to scientists and engineers in both academia and industry focused on the safe and efficient application of Biotechnology to Medicine, Agriculture and the Environment.