The Relationship Study of Biomass, Situation, and Artificial Control: the Degradation of NP Using Estuary-Derived Fungi
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Cultural situation generally played a crucial role on biodegradation mechanism establishment of pollutant. Extensive studies had focused on the optimization of cultivation environment based on in situ conditions. However, there were still few reports on the effects of artificial control on microbial growth and degradation. In this work, the relationship of biomass, situation, and artificial control was explored through the biodegradation of nonylphenols as standard containments by four trains named A. niger, A. terreus SHPP01, A. terreus NIH2624, and T. aff. harzianum from the estuary sediment of Jiaozhou Bay. Various culture conditions covering mineral salt medium, glucose synergistic medium, and carbon rich complex medium had been used to quest the relationship. As a conclusion, different strains usually showed different mechanisms within the same media. The correlation ship between biomass and degradation and removal rate was positive, and the natural medium was usually the best choice for microbial study in situ simulation. Hence, our study provided a valuable reference for the realization of more efficient and rapid biodegradation of pollutants.
KeywordsBiodegradation Artificial control 4-n-NP Synergistic action
I would like to express my gratitude to all those who helped me during the writing of this paper. I gratefully acknowledge the help of my supervisor, Mr. Zhang Dahai, who has offered me valuable suggestions in the academic studies. In the preparation of the paper, he has spent much time reading through each draft and provided me with inspiring advice. Without his patient instruction, insightful criticism and expert guidance, the completion of this paper would not have been possible.
I am also deeply indebted to all the other tutors and professors who give me a hand during experiment and composition. Special thanks should go to my friends who have put considerable time and effort into their comments on the draft.
I should finally like to express my gratitude to my beloved parents who have always been helping me out of difficulties and supporting without a word of complaint.
This work was supported by the Fundamental Research Funds for the Central Universities (201762006, 201762030) and the Key R&D Program of Shandong Province (2016GSF120008).
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Conflict of Interest
The authors declare that they have no conflict of interest.
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