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Zeeshan, Bahrami S, Park S, Cho S. Antibody functionalized capacitance sensor for label-free and real-time detection of bacteria and antibiotic susceptibility. Talanta 2024; 272:125831. [PMID: 38428133 DOI: 10.1016/j.talanta.2024.125831] [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] [Received: 08/10/2023] [Revised: 02/09/2024] [Accepted: 02/23/2024] [Indexed: 03/03/2024]
Abstract
The effective management of infectious diseases and the growing concern of antibiotic resistance necessitates accurate and targeted therapies, highlighting the importance of antibiotic susceptibility testing. This study aimed to develop a real-time impedimetric biosensor for identifying and monitoring bacterial growth and antibiotic susceptibility. The biosensor employed a gold 8-channel disk-shaped microelectrode array with specific antibodies as bio-recognition elements. This setup was allowed for the analysis of bacterial samples, including Staphylococcus aureus, Bacillus cereus, and Micrococcus luteus. These microorganisms were successfully cultured and detected within 1 h of incubation even with a minimal bacterial concentration of 10 CFU/ml. Overall, the developed biosensor array exhibits promising capabilities for monitoring S. aureus, B. cereus and M. luteus, showcasing an excellent linear response ranging from 10 to 104 CFU/ml with a detection limit of 0.95, 1.22 and 1.04 CFU/mL respectively. Moreover, real-time monitoring of antibiotic susceptibility was facilitated by changes in capacitance, which dropped when bacteria were exposed to antibiotic doses higher than their minimum inhibitory concentration (MIC), indicating suppressed bacterial growth. The capacitance measurements enabled determination of half-maximal cytotoxic concentrations (CC50) values for each bacteria-antibiotic pair. As a proof-of-concept application, the developed sensor array was employed as a sensing platform for the real time detection of bacteria in milk samples, which ensured the reliability of the sensor for in-field detection of foodborne pathogens and rapid antimicrobial susceptibility tests (ASTs).
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Affiliation(s)
- Zeeshan
- Department of Electronic Engineering, Gachon University, 1342 Seongnamdaero, Seongnam-si, Gyeonggi-do, 13120, South Korea.
| | - Sadra Bahrami
- School of Mechanical Engineering, Sungkyunkwan University (SKKU), Seobu-ro 2066, Jangan-gu, Suwon, 16419, South Korea.
| | - Sungsu Park
- School of Mechanical Engineering, Sungkyunkwan University (SKKU), Seobu-ro 2066, Jangan-gu, Suwon, 16419, South Korea.
| | - Sungbo Cho
- Department of Electronic Engineering, Gachon University, 1342 Seongnamdaero, Seongnam-si, Gyeonggi-do, 13120, South Korea; Department of Health Science and Technology, GAIHST, Gachon University, Incheon, 21999, South Korea.
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Huang Y, Wu J, Lu Y, Wang R, Lan Y, Jia N. Use of acoustic stimulus to determine behavioral changes in zebrafish after Cd exposure in a water quality warning system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168943. [PMID: 38036119 DOI: 10.1016/j.scitotenv.2023.168943] [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: 05/29/2023] [Revised: 11/21/2023] [Accepted: 11/25/2023] [Indexed: 12/02/2023]
Abstract
Behavioral changes in zebrafish are an effective early warning system to determine water quality. However, only a few studies have examined the response of zebrafish to non-chemical stimulus after exposure to a contaminant. Therefore, this study investigated the differences in the behavioral responses of zebrafish to acoustic stimuli before and after exposure to cadmium (Cd). Acoustic escape response sensitivity curves were obtained and analyzed, followed by the determination of sensitive stimulus conditions at 100 Hz and 97 dB with a duration of 30 s and an interval of 30 min. Zebrafish exhibit a significant acoustic escape response, which is significantly reduced after exposure to Cd. The results showed that zebrafish stop demonstrating acoustic escape responses when exposed to higher Cd concentrations or longer acoustic exposures. Based on these results, a novel method for detecting abnormal behavior in zebrafish by acoustic stimulation has been proposed, which is expected to reduce the false alarm rate of this type of water quality technology.
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Affiliation(s)
- Yi Huang
- School of Civil Engineering and Architecture, Xi'an Technological University, Xi'an 710021, China; Zhejiang Provincial Key Laboratory of Water Science and Technology, Department of Environment in Yangtze Delta Region Institute of Tsinghua University, Zhejiang, Jiaxing 314006, China.
| | - Junxu Wu
- School of Civil Engineering and Architecture, Xi'an Technological University, Xi'an 710021, China
| | - Yuetong Lu
- School of Civil Engineering and Architecture, Xi'an Technological University, Xi'an 710021, China
| | - Runchao Wang
- School of Civil Engineering and Architecture, Xi'an Technological University, Xi'an 710021, China
| | - Yaqiong Lan
- Zhejiang Provincial Key Laboratory of Water Science and Technology, Department of Environment in Yangtze Delta Region Institute of Tsinghua University, Zhejiang, Jiaxing 314006, China
| | - Ning Jia
- School of Civil Engineering and Architecture, Xi'an Technological University, Xi'an 710021, China
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Satya ADM, Cheah WY, Yazdi SK, Cheng YS, Khoo KS, Vo DVN, Bui XD, Vithanage M, Show PL. Progress on microalgae cultivation in wastewater for bioremediation and circular bioeconomy. ENVIRONMENTAL RESEARCH 2023; 218:114948. [PMID: 36455634 DOI: 10.1016/j.envres.2022.114948] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/10/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Water usage increased alongside its competitiveness due to its finite amount. Yet, many industries still rely on this finite resource thus recalling the need to recirculate their water for production. Circular bioeconomy is presently the new approach emphasizing on the 'end-of-life' concept with reusing, recycling, and recovering materials. Microalgae are the ideal source contributing to circular bioeconomy as it exhibits fast growth and adaptability supported by biological rigidity which in turn consumes nutrients, making it an ideal and capable bioremediating agent, therefore allowing water re-use as well as its biomass potential in biorefineries. Nevertheless, there are challenges that still need to be addressed with consideration of recent advances in cultivating microalgae in wastewater. This review aimed to investigate the potential of microalgae biomass cultivated in wastewater. More importantly, how it'll play a role in the circular bioeconomy. This includes an in-depth look at the production of goods coming from wastes tattered by emerging pollutants. These emerging pollutants include microplastics, antibiotics, ever-increasingly sewage water, and heavy metals which have not been comprehensively compared and explored. Therefore, this review is aiming to bring new insights to researchers and industrial stakeholders with interest in green alternatives to eventually contribute towards environmental sustainability.
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Affiliation(s)
- Azalea Dyah Maysarah Satya
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Wai Yan Cheah
- Centre of Research in Development, Social and Environment (SEEDS), Faculty of Social Sciences and Humanities, Universiti Kebangsaan Malaysia, 43600, UKM, Bangi, Selangor Darul Ehsan, Malaysia.
| | - Sara Kazemi Yazdi
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Yu-Shen Cheng
- College of Future, National Yunlin University of Science and Technology, 123 University Road Section 3, Douliou, 64002, Yunlin, Taiwan; Department of Chemical and Materials Engineering, National Yunlin University of Science and Technology, 123 University Road Section 3, Douliou, 64002, Yunlin, Taiwan
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan
| | - Dai-Viet N Vo
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, 755414, Viet Nam
| | - Xuan Dong Bui
- The University of Danang, University of Science and Technology, 54 Nguyen Luong Bang st., 550 000, Danang, Viet Nam
| | - Meththika Vithanage
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia; Department of Sustainable Engineering, Saveetha School of Engineering, SIMATS, Chennai, 602105, India; Zhejiang Provincial Key Laboratory for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou, 325035, China.
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Gaertner K, Michell C, Tapanainen R, Goffart S, Saari S, Soininmäki M, Dufour E, Pohjoismäki JLO. Molecular phenotyping uncovers differences in basic housekeeping functions among closely related species of hares (
Lepus
spp., Lagomorpha: Leporidae). Mol Ecol 2022. [PMID: 36320183 DOI: 10.1111/mec.16755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/16/2022] [Accepted: 10/06/2022] [Indexed: 11/15/2022]
Abstract
Speciation is a fundamental evolutionary process, which results in genetic differentiation of populations and manifests as discrete morphological, physiological and behavioural differences. Each species has travelled its own evolutionary trajectory, influenced by random drift and driven by various types of natural selection, making the association of genetic differences between the species with the phenotypic differences extremely complex to dissect. In the present study, we have used an in vitro model to analyse in depth the genetic and gene regulation differences between fibroblasts of two closely related mammals, the arctic/subarctic mountain hare (Lepus timidus Linnaeus) and the temperate steppe-climate adapted brown hare (Lepus europaeus Pallas). We discovered the existence of a species-specific expression pattern of 1623 genes, manifesting in differences in cell growth, cell cycle control, respiration, and metabolism. Interspecific differences in the housekeeping functions of fibroblast cells suggest that speciation acts on fundamental cellular processes, even in these two interfertile species. Our results help to understand the molecular constituents of a species difference on a cellular level, which could contribute to the maintenance of the species boundary.
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Affiliation(s)
- Kateryna Gaertner
- Mitochondrial Bioenergetics and Metabolism, Faculty of Medicine and Health Technology FI‐33014 Tampere University Tampere Finland
| | - Craig Michell
- Department of Environmental and Biological Sciences FI‐80101 University of Eastern Finland Kuopio Finland
- Red Sea Research Center, Division of Biological and Environmental Science and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal Saudi Arabia
| | - Riikka Tapanainen
- Department of Environmental and Biological Sciences FI‐80101 University of Eastern Finland Kuopio Finland
| | - Steffi Goffart
- Department of Environmental and Biological Sciences FI‐80101 University of Eastern Finland Kuopio Finland
| | - Sina Saari
- Mitochondrial Bioenergetics and Metabolism, Faculty of Medicine and Health Technology FI‐33014 Tampere University Tampere Finland
| | - Manu Soininmäki
- Department of Environmental and Biological Sciences FI‐80101 University of Eastern Finland Kuopio Finland
| | - Eric Dufour
- Mitochondrial Bioenergetics and Metabolism, Faculty of Medicine and Health Technology FI‐33014 Tampere University Tampere Finland
| | - Jaakko L. O. Pohjoismäki
- Department of Environmental and Biological Sciences FI‐80101 University of Eastern Finland Kuopio Finland
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Wlodkowic D, Jansen M. High-throughput screening paradigms in ecotoxicity testing: Emerging prospects and ongoing challenges. CHEMOSPHERE 2022; 307:135929. [PMID: 35944679 DOI: 10.1016/j.chemosphere.2022.135929] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 06/09/2022] [Accepted: 07/31/2022] [Indexed: 06/15/2023]
Abstract
The rapidly increasing number of new production chemicals coupled with stringent implementation of global chemical management programs necessities a paradigm shift towards boarder uses of low-cost and high-throughput ecotoxicity testing strategies as well as deeper understanding of cellular and sub-cellular mechanisms of ecotoxicity that can be used in effective risk assessment. The latter will require automated acquisition of biological data, new capabilities for big data analysis as well as computational simulations capable of translating new data into in vivo relevance. However, very few efforts have been so far devoted into the development of automated bioanalytical systems in ecotoxicology. This is in stark contrast to standardized and high-throughput chemical screening and prioritization routines found in modern drug discovery pipelines. As a result, the high-throughput and high-content data acquisition in ecotoxicology is still in its infancy with limited examples focused on cell-free and cell-based assays. In this work we outline recent developments and emerging prospects of high-throughput bioanalytical approaches in ecotoxicology that reach beyond in vitro biotests. We discuss future importance of automated quantitative data acquisition for cell-free, cell-based as well as developments in phytotoxicity and in vivo biotests utilizing small aquatic model organisms. We also discuss recent innovations such as organs-on-a-chip technologies and existing challenges for emerging high-throughput ecotoxicity testing strategies. Lastly, we provide seminal examples of the small number of successful high-throughput implementations that have been employed in prioritization of chemicals and accelerated environmental risk assessment.
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Affiliation(s)
- Donald Wlodkowic
- The Neurotox Lab, School of Science, RMIT University, Melbourne, VIC, 3083, Australia.
| | - Marcus Jansen
- LemnaTec GmbH, Nerscheider Weg 170, 52076, Aachen, Germany
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