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Wu Y, Li J, Wang S, Bi J, Ren T, Liu Y, Liu M, Zhu B, Chen Q. RNA-sequencing analysis reveals the co-biodegradation performance of crude oil by marine Chlorella vulgaris under norfloxacin stress. MARINE POLLUTION BULLETIN 2024; 198:115851. [PMID: 38016208 DOI: 10.1016/j.marpolbul.2023.115851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 11/16/2023] [Accepted: 11/24/2023] [Indexed: 11/30/2023]
Abstract
In this study, the microalgal growth and crude oil (CRO) biodegradation by marine Chlorella vulgaris (C. vulgaris) were assessed under norfloxacin (NFX) stress. The presence of NFX negatively affected the bio-removal of CRO within 5 days, as the NFX concentration increased from 100 to 1600 μg/L, due to its toxicity as an antibiotic. However, its negative impact on the final degradation capabilities of C. vulgaris was less significant (P-value <0.05). After 9 days of cultivation, CRO bio-removal efficiencies still exceeded 90 %, while NFX bio-removal efficiencies maintained over 47 %. RNA-seq analysis revealed that the degradation of CRO and NFX was attributed to the combined action of functional genes involved in scavenging reactive oxygen species. The production of pigments and the bio-removal performance of C. vulgaris in CRO, NFX, and CRO & NFX coexistence media were consistent with the changes in the number of differentially expressed genes in these samples.
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Affiliation(s)
- Yingqi Wu
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Jingjing Li
- School of Marine Science & Technology, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Siqi Wang
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Junhao Bi
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Taili Ren
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Yifei Liu
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Mei Liu
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Baikang Zhu
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; National & local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Qingguo Chen
- Zhejiang Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan 316022, PR China; National & local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Ocean University, Zhoushan 316022, PR China.
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Nueraji M, Toktarbay Z, Ardakkyzy A, Sridhar D, Algadi H, Xu BB, Althakafy JT, Alanazi AK, Abo-Dief HM, Adilov S, Guo Z. Mechanically-robust electrospun nanocomposite fiber membranes for oil and water separation. ENVIRONMENTAL RESEARCH 2023; 220:115212. [PMID: 36623680 DOI: 10.1016/j.envres.2023.115212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/20/2022] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
Mechanically-robust nanocomposite membranes have been developed via crosslinking chemistry and electrospinning technique based on the rational selection of dispersed phase materials with high Young's modulus (i.e., graphene and multiwalled carbon nanotubes) and Cassie-Baxter design and used for oil and water separation. Proper selection of dispersed phase materials can enhance the stiffness of nanocomposite fiber membranes while their length has to be larger than their critical length. Chemical modification of the dispersed phase materials with fluorochemcials and their induced roughness were critical to achieve superhydrophobocity. Surface analytic tools including goniometer, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy, atomic force microscopy (AFM) and scanning electron microscope (SEM) were applied to characterize the superhydrophobic nanocomposite membranes. An AFM-based nanoindentation technique was used to measure quantitativly the stiffness of the nanocomposite membranes for local region and whole composites, compared with the results by a tensile test technique. Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) techniques were used to confirm composition and formation of nanocomposite membranes. These membranes demonstrated excellent oil/water separation. This work has potential application in the field of water purification and remediation.
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Affiliation(s)
- Marat Nueraji
- Edward R. Murrow High School, Brooklyn, NY, 11230, USA
| | - Zhexenbek Toktarbay
- Renewable Energy Systems and Material Science Laboratory, National Laboratory Astana (NLA), Nazarbayev University, Kabanbay Batyr 53, Astana, 010000, Kazakhstan.
| | - Aida Ardakkyzy
- Department of Chemistry, School of Science and Humanities, Nazarbayev University, Kabanbay Batyr 53, Astana, 010000, Kazakhstan
| | - Deepak Sridhar
- Department of Chemical and Biological Engineering, University of Tennessee, Knoxville, TN, USA; Zentek Ltd. 24 Corporate Crt, Guelph, Ontario, N1G 5G5, Canada
| | - Hassan Algadi
- Department of Electrical Engineering, Faculty of Engineering, Najran University, Najran, 11001, Saudi Arabia
| | - Ben Bin Xu
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Jalal T Althakafy
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, 24230, Saudi Arabia
| | - Abdullah K Alanazi
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Hala M Abo-Dief
- Department of Science and Technology, University College-Ranyah, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Salimgerey Adilov
- Department of Chemistry, School of Science and Humanities, Nazarbayev University, Kabanbay Batyr 53, Astana, 010000, Kazakhstan.
| | - Zhanhu Guo
- Department of Chemical and Biological Engineering, University of Tennessee, Knoxville, TN, USA; Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK; Integrated Composites Lab (ICL), Department of Mechanical and Construction Engineering, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK.
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Omar BM, Abdelgalil SA, Fakhry H, Tamer TM, El-Sonbati MA. Wheat husk-based sorbent as an economical solution for removal of oil spills from sea water. Sci Rep 2023; 13:2575. [PMID: 36781889 PMCID: PMC9925805 DOI: 10.1038/s41598-023-29035-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/30/2023] [Indexed: 02/15/2023] Open
Abstract
Oil spills are a significant threat to the marine ecosystem that requires immediate removal from the oceanic environment. Many technologies have been employed to clean up oil spills. Of these, adsorption has scored a prominent success due to the high efficiency, economic viability, environmental friendship, and ease of application. The utilization of agricultural waste to produce biosorbents have been considered as an ecofriendly and efficient approach for removing oil. Thus, a new low-cost oil adsorbent was prepared via esterification of the wheat straw (Str) with a hydrophobic benzoyl group, the resulting copolymer (Str-co-Benz) was characterized by FTIR, TGA, DSC, and SEM and used at laboratory scale. The oil spill cleanup process was conducted using a crude oil-natural seawater system under different adsorption conditions such as oil concentration, adsorbent dose, agitation time and speed. Equilibrium studies were performed to determine the capacity of the prepared materials for crude oil adsorption. Langmuir and Freundlich adsorption models were used to describe the experimental isotherms. The reliability of the data was examined and evaluated via application of response surface methodology program. The results showed that oil adsorption followed a pseudo-second-order kinetic model and fitted well with Langmuir model with a maximum adsorption capacity of 10.989 and 12.786 g/g for Str and (Str-co-Benz), respectively. Overall, the modified wheat husk is an effective platform for removing oil from marine ecosystems due to low cost, biodegradability, simple synthesis and fast removal. Moreover, the resulted solid can be used as a fuel in some industrial processes such as steam boilers and brick production incinerators.
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Affiliation(s)
- Basma M Omar
- Department of Environmental Sciences, Faculty of Science, Damietta University, Damietta, 34517, Egypt.
| | - Soad A Abdelgalil
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), Universities and Research Institutes Zone, New Borg El-Arab City, Alexandria, 21934, Egypt
| | - Hala Fakhry
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria, 21934, Egypt
| | - Tamer M Tamer
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria, 21934, Egypt
| | - Mervat A El-Sonbati
- Department of Environmental Sciences, Faculty of Science, Damietta University, Damietta, 34517, Egypt.
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