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Maddela NR, Abiodun AS, Zhang S, Prasad R. Biofouling in Membrane Bioreactors-Mitigation and Current Status: a Review. Appl Biochem Biotechnol 2023; 195:5643-5668. [PMID: 36418712 DOI: 10.1007/s12010-022-04262-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2022] [Indexed: 11/27/2022]
Abstract
Biological fouling as termed biofouling is caused by varied living organisms and is difficult to eliminate from the environment thus becoming a major issue during membrane bioreactors. Biofouling in membrane bioreactors (MBRs) is a crucial problem in increasing liquid pressure due to reduced pore diameter, clogging of the membrane pores, and alteration of the chemical composition of the water which greatly limits the growth of MBRs. Thus, membrane biofouling and/or microbial biofilms is a hot research topic to improve the market competitiveness of the MBR technology. Though several antibiofouling strategies (addition of bioflocculant or sponge into MBRs) came to light, biological approaches are sustainable and more practicable. Among the biological approaches, quorum sensing-based biofouling control (so-called quorum quenching) is an interesting and promising tool in combating biofouling issues in the MBRs. Several review articles have been published in the area of membrane biofouling and mitigation approaches. However, there is no single source of information about biofouling and/or biofilm formation in different environmental settings and respective problems, antibiofilm strategies and current status, quorum quenching, and its futurity. Thus, the objectives of the present review were to provide latest insights on mechanism of membrane biofouling, quorum sensing molecules, biofilm-associated problems in different environmental setting and antibiofilm strategies, special emphasis on quorum quenching, and its futurity in the biofilm/biofouling control. We believe that these insights greatly help in the better understanding of biofouling and aid in the development of sustainable antibiofouling strategies.
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Affiliation(s)
- Naga Raju Maddela
- Departmento de Ciencias Biológicas, Facultad de Ciencias de la Salud, Universidad Técnica de Manabí, Portoviejo, Ecuador
- Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Ecuador
| | - Aransiola Sesan Abiodun
- Bioresources Development Centre, National Biotechnology Development Agency (NABDA), Ogbomoso, Nigeria
| | - Shaoqing Zhang
- School of Civil Engineering, Guangzhou University, Guangzhou, 510006, People's Republic of China
| | - Ram Prasad
- Department of Botany, Mahatma Gandhi Central University, Motihari, Bihar, India.
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Chromium (VI) reduction by two-chamber bioelectrochemical system with electrically conductive wall. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2022.141738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Zhou J, Lin X, Liu S, Wang Z, Liu D, Huo Y, Li D. Effects of Compound Elicitors on the Biosynthesis of Triterpenoids and Activity of Defense Enzymes from Inonotus hispidus (Basidiomycetes). MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092618. [PMID: 35565966 PMCID: PMC9102530 DOI: 10.3390/molecules27092618] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 12/16/2022]
Abstract
Inonotus hispidus has various health-promoting activities, such as anticancer effects and immune-stimulating activity. The commercialization of valuable plant triterpenoids faces major challenges, including low abundance in natural hosts and costly downstream purification procedures. In this work, orthogonal design was used to compound methyl jasmonate (MeJA), salicylic acid (SA), oleic acid, and Cu2+, and the effects of combinations on the total triterpenes biosynthesized were studied. The optimal combination was screened out and its effect on the activity of PAL, CAT, and SOD was studied. The optimal concentration of oleic acid was 2% when MeJA was 100 mol/L, and the total triterpenoid content and mycelia production were 3.918 g and 85.17 mg/g, respectively. MeJA treatment induced oxidative stress, and at the same time increased the activity of related defense enzymes. Oleic acid is thought to regulate cell permeability by recombining cell membranes. It promotes the material exchange process between cells and the environment without affecting cell growth. When oleic acid was used in combination with MeJA, a synergistic effect on triterpene production was observed. In conclusion, our findings provide a strategy for triterpenoid enrichment of I. hispidus.
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Affiliation(s)
| | | | | | | | | | | | - Dehai Li
- Correspondence: ; Tel.: +86-18645005091 or +86-451-82190514
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Nasruddin NISM, Abu Bakar MH. Mitigating membrane biofouling in biofuel cell system – A review. OPEN CHEM 2021. [DOI: 10.1515/chem-2021-0111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
A biofuel cell (BFC) system can transform chemical energy to electrical energy through electrochemical reactions and biochemical pathways. However, BFC faced several obstacles delaying it from commercialization, such as biofouling. Theoretically, the biofouling phenomenon occurs when microorganisms, algae, fungi, plants, or small animals accumulate on wet surfaces. In most BFC, biofouling occurs by the accumulation of microorganisms forming a biofilm. Amassed biofilm on the anode is desired for power production, however, not on the membrane separator. This phenomenon causes severities toward BFCs when it increases the electrode’s ohmic and charge transfer resistance and impedes the proton transfer, leading to a rapid decline in the system’s power performance. Apart from BFC, other activities impacted by biofouling range from the uranium industry to drug sensors in the medical field. These fields are continuously finding ways to mitigate the biofouling impact in their industries while putting forward the importance of the environment. Thus, this study aims to identify the severity of biofouling occurring on the separator materials for implementation toward the performance of the BFC system. While highlighting successful measures taken by other industries, the effectiveness of methods performed to reduce or mitigate the biofouling effect in BFC was also discussed in this study.
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Affiliation(s)
| | - Mimi Hani Abu Bakar
- Institute of Fuel Cell, Universiti Kebangsaan Malaysia , 43600 , Bangi , Selangor , Malaysia
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Subba Rao T, Murthy PS, Veeramani P, Narayanan DS, Ramesh R, Jyothi BN, Muthukumaran D, Murugesan M, Vadivelan A, Dharani G, Santhanakumar J, Ramadass GA. Assessment of biogrowth assemblages with depth in a seawater intake system of a coastal power station. BIOFOULING 2021; 37:506-520. [PMID: 34139900 DOI: 10.1080/08927014.2021.1933457] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 05/14/2021] [Accepted: 05/14/2021] [Indexed: 06/12/2023]
Abstract
Marine biogrowth infestation of a seawater intake system was investigated. A digital camera fixed onto a skid was used to record the biogrowth at intervals of 5 m up to a depth of 55 m. Divers inspected the intake shaft and collected the biogrowth samples for biomass estimation. A biomass density of 7.5 kg m-2 and 28.2 kg m-2 was recorded at 5 and 30 m depths respectively. Inspection by the divers revealed that hard-shelled organisms such as oysters and brown and green mussels were observed in plenty up to a thickness of 15 cm and bryozoans grew as epibionts. At lower depths (<40 m), hydroids grew on the shells of green mussels along with silt accumulation. The biofouling community was composed of 46 organisms, exhibiting variation in distribution and abundance. The study explains the extent and type of marine biogrowth phenomena with depth and describes biofouling preventive methods.Supplemental data for this article is available online at https://doi.org/10.1080/08927014.2021.1933457 .
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Affiliation(s)
- T Subba Rao
- Biofouling & Thermal Ecology Section, Water & Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, India
- Homi Bhabha National Institute, Mumbai, India
| | - P S Murthy
- Biofouling & Thermal Ecology Section, Water & Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, India
- Homi Bhabha National Institute, Mumbai, India
| | - P Veeramani
- Biofouling & Thermal Ecology Section, Water & Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, India
| | - D S Narayanan
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - R Ramesh
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - B N Jyothi
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - D Muthukumaran
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - M Murugesan
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - A Vadivelan
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - G Dharani
- Marine Biotechnology Division, National Institute of Ocean Technology, Chennai, India
| | - J Santhanakumar
- Marine Biotechnology Division, National Institute of Ocean Technology, Chennai, India
| | - G A Ramadass
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
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