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Sharma A, Mishra A, Chhabra M. Rapid measurement of bacterial contamination in water: A catalase responsive-electrochemical sensor. Heliyon 2024; 10:e26724. [PMID: 38434288 PMCID: PMC10906405 DOI: 10.1016/j.heliyon.2024.e26724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 02/19/2024] [Accepted: 02/19/2024] [Indexed: 03/05/2024] Open
Abstract
The present study describes the development of a potentiometric sensor for microbial monitoring in water based on catalase activity. The sensor comprises a MnO2-modified electrode that responds linearly to hydrogen peroxide (H2O2) from 0.16 M to 3.26 M. The electrode potential drops when the H2O2 solution is spiked with catalase or catalase-producing microorganisms that decompose H2O2. The sensor is responsive to different bacteria and their catalase activities. The electrochemical sensor exhibits a lower limit of detection (LOD) for Escherichia coli at 11 CFU/ml, Citrobacter youngae at 12 CFU/ml, and Pseudomonas aeruginosa at 23 CFU/ml. The sensor shows high sensitivity at 3.49, 3.02, and 4.24 mV/cm2dec for E. coli, C. youngae, and P. aeruginosa, respectively. The abiotic sensing electrode can be used multiple times without changing the response potential (up to 100 readings) with a shelf-life of over six months. The response time is a few seconds, with a total test time of 5 min. Additionally, the sensor effectively tested actual samples (drinking and grey water), which makes it a quick and reliable sensing tool. Therefore, the study offers a promising water monitoring tool with high sensitivity, stability, good detection limit, and minimum interference from other water contaminants.
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Affiliation(s)
| | | | - Meenu Chhabra
- Environmental Biotechnology Laboratory, Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur (IITJ), Jodhpur, 342030, Rajasthan, India
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Javanbakht S, Darvishi S, Dorchei F, Hosseini-Ghalehno M, Dehghani M, Pooresmaeil M, Suzuki Y, Ul Ain Q, Ruiz Rubio L, Shaabani A, Hayashita T, Namazi H, Heydari A. Cyclodextrin Host-Guest Recognition in Glucose-Monitoring Sensors. ACS OMEGA 2023; 8:33202-33228. [PMID: 37744789 PMCID: PMC10515351 DOI: 10.1021/acsomega.3c03746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 08/23/2023] [Indexed: 09/26/2023]
Abstract
Diabetes mellitus is a prevalent chronic health condition that has caused millions of deaths worldwide. Monitoring blood glucose levels is crucial in diabetes management, aiding in clinical decision making and reducing the incidence of hypoglycemic episodes, thereby decreasing morbidity and mortality rates. Despite advancements in glucose monitoring (GM), the development of noninvasive, rapid, accurate, sensitive, selective, and stable systems for continuous monitoring remains a challenge. Addressing these challenges is critical to improving the clinical utility of GM technologies in diabetes management. In this concept, cyclodextrins (CDs) can be instrumental in the development of GM systems due to their high supramolecular recognition capabilities based on the host-guest interaction. The introduction of CDs into GM systems not only impacts the sensitivity, selectivity, and detection limit of the monitoring process but also improves biocompatibility and stability. These findings motivated the current review to provide a comprehensive summary of CD-based blood glucose sensors and their chemistry of glucose detection, efficiency, and accuracy. We categorize CD-based sensors into four groups based on their modification strategies, including CD-modified boronic acid, CD-modified mediators, CD-modified nanoparticles, and CD-modified functionalized polymers. These findings shed light on the potential of CD-based sensors as a promising tool for continuous GM in diabetes mellitus management.
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Affiliation(s)
- Siamak Javanbakht
- Research
Laboratory of Dendrimers and Natural Polymers, Faculty of Chemistry, University of Tabriz, P.O. Box 51666, Tabriz, Iran
| | - Sima Darvishi
- Faculty
of Chemistry, Khajeh Nasir Toosi University, Tehran, Iran
| | - Faeze Dorchei
- Polymer
Institute of the Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia
| | | | - Marjan Dehghani
- Department
of Chemistry, Shahid Bahonar University
of Kerman, Kerman 76169, Iran
| | - Malihe Pooresmaeil
- Research
Laboratory of Dendrimers and Natural Polymers, Faculty of Chemistry, University of Tabriz, P.O. Box 51666, Tabriz, Iran
| | - Yota Suzuki
- Department
of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1, Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
- Graduate
School of Science and Engineering, Saitama
University, Saitama 338-8570, Japan
| | - Qurat Ul Ain
- Department
of Materials Engineering, School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad H-12, Pakistan
| | - Leire Ruiz Rubio
- Macromolecular
Chemistry Group (LQM), Department of Physical Chemistry, Faculty of
Science and Technology, University of Basque
Country (UPV/EHU), Leioa 48940, Spain
- Basque
Centre for Materials, Applications and Nanostructures
(BCMaterials), UPV/EHU
Science Park, Leioa 48940, Spain
| | - Ahmad Shaabani
- Faculty
of Chemistry, Shahid Beheshti University, Tehran, Iran
| | - Takashi Hayashita
- Department
of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1, Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
| | - Hassan Namazi
- Research
Laboratory of Dendrimers and Natural Polymers, Faculty of Chemistry, University of Tabriz, P.O. Box 51666, Tabriz, Iran
- Research
Center for Pharmaceutical Nanotechnology (RCPN), Tabriz University of Medical Science, Tabriz, Iran
| | - Abolfazl Heydari
- Polymer
Institute of the Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia
- National
Institute of Rheumatic Diseases, Nábrežie I. Krasku 4782/4, 921 12 Piešt’any, Slovakia
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Johnson D, Kim U, Mobed-Miremadi M. Nanocomposite films as electrochemical sensors for detection of catalase activity. Front Mol Biosci 2022; 9:972008. [PMID: 36225256 PMCID: PMC9549927 DOI: 10.3389/fmolb.2022.972008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022] Open
Abstract
Cross-linked hydrogel substrates have garnered attention as they simultaneously enable oxidoreductase reactions in a control volume extended to adsorption of redox capacitors for amplification of electrochemical signals. In this study, the effect of catalase immobilization in mold-casted alginate-based thin films (1 mm × 6 mm × 10 mm) containing multi walled carbon nanotubes (MWCNT) coated with chitosan has been studied via amperometry. The amperometric response was measured as a function of peroxide concentration, at a fixed potential of −0.4 V vs. SPCE in phosphate-buffered saline (pH = 7.4). Results indicate substrate detection is not diffusion-limited by the 100 μm thick chitosan layer, if the cationic polyelectrolyte is in contact with the sensing carbon electrode, and the linear detection of the enzyme absent in solution is enabled by immobilization (R2 = 0.9615). The ferricyanide-mediated biosensor exhibited a sensitivity of 4.55 μA/mM for the optimal formulation at room temperature comparable to other nanomaterial hybrid sensing solution namely amine-functionalized graphene with an average response time of 5 s for the optimal formulation. The suitability of the optimized chitosan-coated alginate slabs nano-environment for co-encapsulation of catalase and carbon nanotubes was confirmed by cyclic voltammetry.
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Affiliation(s)
| | - Unyoung Kim
- *Correspondence: Unyoung Kim, ; Maryam Mobed-Miremadi,
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van den Hurk R, Evoy S. A Review of Membrane-Based Biosensors for Pathogen Detection. SENSORS 2015; 15:14045-78. [PMID: 26083229 PMCID: PMC4507637 DOI: 10.3390/s150614045] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 05/29/2015] [Accepted: 06/05/2015] [Indexed: 01/14/2023]
Abstract
Biosensors are of increasing interest for the detection of bacterial pathogens in many applications such as human, animal and plant health, as well as food and water safety. Membranes and membrane-like structures have been integral part of several pathogen detection platforms. Such structures may serve as simple mechanical support, function as a part of the transduction mechanism, may be used to filter out or concentrate pathogens, and may be engineered to specifically house active proteins. This review focuses on membrane materials, their associated biosensing applications, chemical linking procedures, and transduction mechanisms. The sensitivity of membrane biosensors is discussed, and the state of the field is evaluated and summarized.
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Affiliation(s)
- Remko van den Hurk
- Department of Electrical and Computer Engineering, University of Alberta Edmonton, Alberta, AB T6G 2V4, Canada.
| | - Stephane Evoy
- Department of Electrical and Computer Engineering, University of Alberta Edmonton, Alberta, AB T6G 2V4, Canada.
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Gao S, Lewis GD, Ashokkumar M, Hemar Y. Inactivation of microorganisms by low-frequency high-power ultrasound: 1. Effect of growth phase and capsule properties of the bacteria. ULTRASONICS SONOCHEMISTRY 2014; 21:446-53. [PMID: 23835398 DOI: 10.1016/j.ultsonch.2013.06.006] [Citation(s) in RCA: 124] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Revised: 05/28/2013] [Accepted: 06/04/2013] [Indexed: 05/13/2023]
Abstract
The aim of this study was to determine the effects of high-intensity low-frequency (20 kHz) ultrasound treatment on the viability of bacteria suspension. More specifically, we have investigated the relationship between the deactivation efficiency and the physical (size, hydrophobicity) and biological (gram-status, growth phase) properties of the microbes. Enterobacter aerogenes, Bacillus subtilis, Staphylococcus epidermidis, S. epidermidis SK and Staphylococcus pseudintermedius were chosen for this study owing to their varying physical and biological properties. The survival ratio of the bacteria suspension was measured as a function of the ultrasound power (up to 13 W) for a constant sonication time of 20 min. Transmission electron microscopy was used to evaluate the ultrasound-induced damages to the microbes. Ultrasound treatment resulted in lethal damage to E. aerogenes and B. subtilis (up to 4.5-log reduction), whereas Staphylococcus spp. were not affected noticeably. Further, E. aerogenes suspensions were more sensitive to ultrasonication in exponential growth phase than when they were in stationary phase. The results of this study demonstrate that the main reason for bacterial resistance to ultrasonic deactivation is due to the properties of the bacterial capsule. Microbes with a thicker and "soft" capsule are highly resistant to ultrasonic deactivation process.
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Affiliation(s)
- Shengpu Gao
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand; School of Biological Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand; Institute of Food and Agricultural Standardization, China National Institute of Standardization, Beijing 10088, China
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Hu QZ, Jang CH. Using liquid crystals for the label-free detection of catalase at aqueous–LC interfaces. J Biotechnol 2012; 157:223-7. [DOI: 10.1016/j.jbiotec.2011.11.010] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Revised: 11/10/2011] [Accepted: 11/16/2011] [Indexed: 11/26/2022]
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Hu QZ, Jang CH. Imaging the Enzymatic Reaction of Urease Using Liquid Crystal-Based pH Sensor. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.12.4377] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Ginsburg I, Kohen R, Koren E. Microbial and host cells acquire enhanced oxidant-scavenging abilities by binding polyphenols. Arch Biochem Biophys 2010; 506:12-23. [PMID: 21081104 DOI: 10.1016/j.abb.2010.11.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2010] [Revised: 11/09/2010] [Accepted: 11/09/2010] [Indexed: 12/14/2022]
Abstract
The dilemma whether supplementations of dietary antioxidants might prevent the adverse consequences of oxidative stress, the inadequacy of the analytical methods employed to quantify oxidant scavenging ability (OSA) levels in whole blood and the distribution and fate of polyphenols and their metabolites in various body compartments following oral consumption are discussed. While none-metabolized polyphenols might exert their antioxidant effects mainly in the oral cavity, metabolized polyphenols might be beneficial in the gastrointestinal tract to counteract the toxicity of oxidants and also of the sequelae of inflammatory processes. Although only micromolar amounts of polyphenols and their metabolites eventually reach the blood circulation, these may nevertheless still be highly effective as scavengers of reactive oxygen and nitrogen species because of their ability to synergize with plasma low molecular-weight antioxidants and with albumin. Polyphenols can avidly bind to surfaces of microorganisms and of blood cells to markedly enhance their OSA, therefore the routine quantifications of antioxidant levels conducted in clinical settings should always use catalase-rich whole blood but not as customary, plasma alone. In addition to their antioxidant and metal chelating properties, polyphenols may also act as signaling agents capable of affecting metabolic, inflammatory, autoimmune, carcinogenic and aging processes.
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Affiliation(s)
- Isaac Ginsburg
- The Faculty of Dental Medicine, Institute for Dental Sciences, Hebrew University, Hadassah Medical Center, P.O. Box 12065, Jerusalem 91120, Israel.
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Plata MR, Contento AM, Ríos A. State-of-the-art of (bio)chemical sensor developments in analytical Spanish groups. SENSORS (BASEL, SWITZERLAND) 2010; 10:2511-76. [PMID: 22319260 PMCID: PMC3274191 DOI: 10.3390/s100402511] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2009] [Revised: 02/03/2010] [Accepted: 02/28/2010] [Indexed: 11/16/2022]
Abstract
(Bio)chemical sensors are one of the most exciting fields in analytical chemistry today. The development of these analytical devices simplifies and miniaturizes the whole analytical process. Although the initial expectation of the massive incorporation of sensors in routine analytical work has been truncated to some extent, in many other cases analytical methods based on sensor technology have solved important analytical problems. Many research groups are working in this field world-wide, reporting interesting results so far. Modestly, Spanish researchers have contributed to these recent developments. In this review, we summarize the more representative achievements carried out for these groups. They cover a wide variety of sensors, including optical, electrochemical, piezoelectric or electro-mechanical devices, used for laboratory or field analyses. The capabilities to be used in different applied areas are also critically discussed.
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Affiliation(s)
- María Reyes Plata
- Department of Analytical Chemistry and Food Technology, Faculty of Chemistry, University of Castilla, La Mancha, 13004, Ciudad Real, Spain; E-Mails: (M.R.P.); (A.M.C.)
| | - Ana María Contento
- Department of Analytical Chemistry and Food Technology, Faculty of Chemistry, University of Castilla, La Mancha, 13004, Ciudad Real, Spain; E-Mails: (M.R.P.); (A.M.C.)
| | - Angel Ríos
- Department of Analytical Chemistry and Food Technology, Faculty of Chemistry, University of Castilla, La Mancha, 13004, Ciudad Real, Spain; E-Mails: (M.R.P.); (A.M.C.)
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Nayak M, Kotian A, Marathe S, Chakravortty D. Detection of microorganisms using biosensors—A smarter way towards detection techniques. Biosens Bioelectron 2009; 25:661-7. [PMID: 19782558 DOI: 10.1016/j.bios.2009.08.037] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2009] [Revised: 08/22/2009] [Accepted: 08/25/2009] [Indexed: 12/17/2022]
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