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Ngày xuất bản: 10/10/2022
Ngày xuất bản Online: 10/10/2022
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DOI: https://doi.org/10.52714/dthu.11.5.2022.982
Số xuất bản
Tập 11 Số 5 (2022): Chuyên san Khoa học Tự nhiên (Tiếng Anh)
Chuyên mục
Natural Sciences Issue
Trích dẫn bài báo
Nguyen, T. K. X., Nguyen, T. T., Ha, H. H. V., Tran, D. H., & Ha, D. D. (2022). Butachlor degradation by Pseudomonas sp. But1 and Pseudomonas sp. But2 immobilized in polyurethane foam (PUF). Tạp chí Khoa học Đại học Đồng Tháp, 11(5), 68-74. https://doi.org/10.52714/dthu.11.5.2022.982

Butachlor degradation by Pseudomonas sp. But1 and Pseudomonas sp. But2 immobilized in polyurethane foam (PUF)

Nguyen Thi Kim Xuan1, Nguyen Thi Thanh2, Ha Huynh Hong Vu2, Tran Dat Huy2, Ha Danh Duc2,
1 Faculty of Education, Bac Lieu University, Vietnam
2 Faculty of Agriculture and Environment Resources, Dong Thap University, Vietnam

Nội dung chính của bài viết

Tóm tắt

utachlor has been extensively applied to control weeds, increasing food production and reducing labor. In this study, butachlor degradation by Pseudomonas sp. But1 and Pseudomonas sp. But2 immobilized in polyurethane foam (PUF) was determined to compare with degradation by free cells. The degradation percentages of the pure compound by Pseudomonas sp. But1 and Pseudomonas sp. But2 were 100% and 96% within 24 hours at a concentration of 50 mg/L, respectively. Meanwhile, butachlor degradation in an Cantanil 550EC herbicide was completely after 30 hours. The determination of butachlor degradation by bacteria immobilized in PUF showed that degradation rates of immobilized Pseudomonas sp. But1 were more effective than those of Pseudomonas sp. But1. Even though degradation rates by immobilized bacteria were decreased after long-term storage of 90 days, Pseudomonas sp. But2 immobilized in PUF could be used to degrade butachlor in liquid media.

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Từ khóa

Butachlor, herbicide, immobilized bacteria, long-term storage, polyurethane foam

Tài liệu tham khảo

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