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Gado WS, Al-Gamal AG, Badawy MSEM, Labena A, Zakaria K, Kabel KI. Detectable quorum signaling molecule via PANI-metal oxides nanocomposites sensors. Sci Rep 2024; 14:10041. [PMID: 38693218 PMCID: PMC11063039 DOI: 10.1038/s41598-024-60093-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 04/18/2024] [Indexed: 05/03/2024] Open
Abstract
The detection of N-hexanoyl-l-homoserine lactone (C6-HSL), a crucial signal in Gram-negative bacterial communication, is essential for addressing microbiologically influenced corrosion (MIC) induced by sulfate-reducing bacteria (SRB) in oil and gas industries. Metal oxides (MOx) intercalated into conducting polymers (CPs) offer a promising sensing approach due to their effective detection of biological molecules such as C6-HSL. In this study, we synthesized and characterized two MOx/polyaniline-dodecyl benzene sulfonic acid (PANI-DBSA) nanocomposites, namely ZnO/PANI-DBSA and Fe2O3/PANI-DBSA. These nanocomposites were applied with 1% by-weight carbon paste over a carbon working electrode (WE) for qualitative and quantitative detection of C6-HSL through electrochemical analysis. The electrochemical impedance spectroscopy (EIS) confirmed the composites' capability to monitor C6-HSL produced by SRB-biofilm, with detection limits of 624 ppm for ZnO/PANI-DBSA and 441 ppm for Fe2O3/PANI-DBSA. Furthermore, calorimetric measurements validated the presence of SRB-biofilm, supporting the EIS analysis. The utilization of these MOx/CP nanocomposites offers a practical approach for detecting C6-HSL and monitoring SRB-biofilm formation, aiding in MIC management in oil and gas wells. The ZnO/PANI-DBSA-based sensor exhibited higher sensitivity towards C6-HSL compared to Fe2O3/PANI-DBSA, indicating its potential for enhanced detection capabilities in this context. Stability tests revealed ZnO/PANI-DBSA's superior stability over Fe2O3/PANI-DBSA, with both sensors retaining approximately 85-90% of their initial current after 1 month, demonstrating remarkable reproducibility and durability.
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Affiliation(s)
- Walaa S Gado
- Egyptian Petroleum Research Institute (EPRI), 11727, Nasr City, Cairo, Egypt.
| | | | - Mona Shaban E M Badawy
- Department of Microbiology and Immunology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
| | - A Labena
- Egyptian Petroleum Research Institute (EPRI), 11727, Nasr City, Cairo, Egypt
| | - Khaled Zakaria
- Egyptian Petroleum Research Institute (EPRI), 11727, Nasr City, Cairo, Egypt
| | - Khalid I Kabel
- Egyptian Petroleum Research Institute (EPRI), 11727, Nasr City, Cairo, Egypt
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Kumar L, Bisen M, Harjai K, Chhibber S, Azizov S, Lalhlenmawia H, Kumar D. Advances in Nanotechnology for Biofilm Inhibition. ACS OMEGA 2023; 8:21391-21409. [PMID: 37360468 PMCID: PMC10286099 DOI: 10.1021/acsomega.3c02239] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/23/2023] [Indexed: 06/28/2023]
Abstract
Biofilm-associated infections have emerged as a significant public health challenge due to their persistent nature and increased resistance to conventional treatment methods. The indiscriminate usage of antibiotics has made us susceptible to a range of multidrug-resistant pathogens. These pathogens show reduced susceptibility to antibiotics and increased intracellular survival. However, current methods for treating biofilms, such as smart materials and targeted drug delivery systems, have not been found effective in preventing biofilm formation. To address this challenge, nanotechnology has provided innovative solutions for preventing and treating biofilm formation by clinically relevant pathogens. Recent advances in nanotechnological strategies, including metallic nanoparticles, functionalized metallic nanoparticles, dendrimers, polymeric nanoparticles, cyclodextrin-based delivery, solid lipid nanoparticles, polymer drug conjugates, and liposomes, may provide valuable technological solutions against infectious diseases. Therefore, it is imperative to conduct a comprehensive review to summarize the recent advancements and limitations of advanced nanotechnologies. The present Review encompasses a summary of infectious agents, the mechanisms that lead to biofilm formation, and the impact of pathogens on human health. In a nutshell, this Review offers a comprehensive survey of the advanced nanotechnological solutions for managing infections. A detailed presentation has been made as to how these strategies may improve biofilm control and prevent infections. The key objective of this Review is to summarize the mechanisms, applications, and prospects of advanced nanotechnologies to provide a better understanding of their impact on biofilm formation by clinically relevant pathogens.
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Affiliation(s)
- Lokender Kumar
- School
of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh 173229, India
- Cancer
Biology Laboratory, Raj Khosla Centre for Cancer Research, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Monish Bisen
- School
of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh 173229, India
| | - Kusum Harjai
- Department
of Microbiology, Panjab University, Chandigarh 160014, India
| | - Sanjay Chhibber
- Department
of Microbiology, Panjab University, Chandigarh 160014, India
| | - Shavkatjon Azizov
- Laboratory
of Biological Active Macromolecular Systems, Institute of Bioorganic
Chemistry, Academy of Sciences Uzbekistan, Tashkent 100125, Uzbekistan
- Faculty
of Life Sciences, Pharmaceutical Technical
University, Tashkent 100084, Uzbekistan
| | - Hauzel Lalhlenmawia
- Department
of Pharmacy, Regional Institute of Paramedical
and Nursing Sciences, Zemabawk, Aizawl, Mizoram 796017, India
| | - Deepak Kumar
- Department
of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh173229, India
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Nutrient Sensing and Biofilm Modulation: The Example of L-arginine in Pseudomonas. Int J Mol Sci 2022; 23:ijms23084386. [PMID: 35457206 PMCID: PMC9028604 DOI: 10.3390/ijms23084386] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 12/01/2022] Open
Abstract
Bacterial biofilm represents a multicellular community embedded within an extracellular matrix attached to a surface. This lifestyle confers to bacterial cells protection against hostile environments, such as antibiotic treatment and host immune response in case of infections. The Pseudomonas genus is characterised by species producing strong biofilms difficult to be eradicated and by an extraordinary metabolic versatility which may support energy and carbon/nitrogen assimilation under multiple environmental conditions. Nutrient availability can be perceived by a Pseudomonas biofilm which, in turn, readapts its metabolism to finally tune its own formation and dispersion. A growing number of papers is now focusing on the mechanism of nutrient perception as a possible strategy to weaken the biofilm barrier by environmental cues. One of the most important nutrients is amino acid L-arginine, a crucial metabolite sustaining bacterial growth both as a carbon and a nitrogen source. Under low-oxygen conditions, L-arginine may also serve for ATP production, thus allowing bacteria to survive in anaerobic environments. L-arginine has been associated with biofilms, virulence, and antibiotic resistance. L-arginine is also a key precursor of regulatory molecules such as polyamines, whose involvement in biofilm homeostasis is reported. Given the biomedical and biotechnological relevance of biofilm control, the state of the art on the effects mediated by the L-arginine nutrient on biofilm modulation is presented, with a special focus on the Pseudomonas biofilm. Possible biotechnological and biomedical applications are also discussed.
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