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Yang H, Zhang Z, Zhou X, Binbr Abe Menen N, Rouhi O. Achieving enhanced sensitivity and accuracy in carcinoembryonic antigen (CEA) detection as an indicator of cancer monitoring using thionine/chitosan/graphene oxide nanocomposite-modified electrochemical immunosensor. ENVIRONMENTAL RESEARCH 2023; 238:117163. [PMID: 37722583 DOI: 10.1016/j.envres.2023.117163] [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: 07/31/2023] [Revised: 09/09/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
The current study has focused on electrochemical immunosensing of carcinoembryonic antigen (CEA) employing an immobilized antibody on a thionine, chitosan, or graphene oxide nanocomposite modified glassy carbon electrode (anti-CEA/THi-CS-GO/GCE) as an indicator of cancer monitoring. THi-CS-GO nanocomposites were made using ultrasonication, and analyses of their morphology and crystal structure using SEM, FTIR, and XRD showed that thionine and chitosan molecules were intercalated with stacking interactions with both the top and bottom of GO nanosheets. Electrochemical experiments revealed anti-CEA, THi-CS-GO/GCE to have exceptional sensitivity and selectivity towards CEA compounds. The detection limit value was established to be 0.8 pg/mL when it was discovered that variations in the decrease peak current were directly proportional to the logarithm concentration of CEA over a wide range from 10-3 to 104 ng/mL. Results of testing the immunosensor's application capability for detecting CEA in a sample of human serum show that ELISA and DPV results are very congruent. The produced immunosensor demonstrated adequate immunosensor precision in determining CEA in prepared genuine samples of human serum and clinical applications.
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Affiliation(s)
- Hongli Yang
- Department of Science and Education, General Hospital of Panzhihua Steel Group, Panzhihua, 617000, Sichuan, China
| | - Zaihua Zhang
- General Surgery Department, Panzhihua Group General Hospital, Panzhihua, 617000, Sichuan, China
| | - Xiaohong Zhou
- Oncology hematology Department, Fengdu County People's Hospital of Chongqing, Chongqing, 400000, China.
| | | | - Omid Rouhi
- Department of Chemistry, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran.
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Coffi Dit Gleize K, Tran CTH, Waterhouse A, Bilek MMM, Wickham SFJ. Plasma Activation of Microplates Optimized for One-Step Reagent-Free Immobilization of DNA and Protein. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:343-356. [PMID: 36550613 DOI: 10.1021/acs.langmuir.2c02573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Activated microplates are widely used in biological assays and cell culture to immobilize biomolecules, either through passive physical adsorption or covalent cross-linking. Covalent attachment gives greater stability in complex biological mixtures. However, current multistep chemical activation methods add complexity and cost, require specific functional groups, and can introduce cytotoxic chemicals that affect downstream cellular applications. Here, we show a method for one-step linker-free activation of microplates by energetic ions from plasma for covalent immobilization of DNA and protein. Two types of energetic ion plasma treatment were shown to be effective: plasma immersion ion implantation (PIII) and plasma-activated coating (PAC). This is the first time that PIII and PAC have been reported in microwell plates with nonflat geometry. We confirm that the plasma treatment generates radical-activated surfaces at the bottom of wells despite potential shadowing from the walls. Comprehensive surface characterization studies were used to compare the PIII and PAC microplate surface composition, wettability, radical density, optical properties, stability, and biomolecule immobilization density. PAC plates were found to have more nitrogen and lower radical density and were more hydrophobic and more stable over 3 months than PIII plates. Optimal conditions were obtained for high-density DNA (PAC, 0 or 21% nitrogen, pH 3-4) and streptavidin (PAC, 21% nitrogen, pH 5-7) binding while retaining optical properties required for typical high-throughput biochemical microplate assays, such as low autofluorescence and high transparency. DNA hybridization and protein activity of immobilized molecules were confirmed. We show that PAC activation allows for high-density covalent immobilization of functional DNA and protein in a single step on both 96- and 384-well plates without specific linker chemistry. These microplates could be used in the future to bind other user-selected ligands in a wide range of applications, for example, for solid phase polymerase chain reaction and stem cell culture and differentiation.
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Affiliation(s)
| | - Clara T H Tran
- School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
| | - Anna Waterhouse
- School of Medical Sciences, The University of Sydney, Sydney, NSW 2006, Australia
- The Heart Research Institute, The University of Sydney, Newtown 2042, Australia
- The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia
| | - Marcela M M Bilek
- School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
- The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, NSW 2006, Australia
| | - Shelley F J Wickham
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
- The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
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Enzyme immobilization: Implementation of nanoparticles and an insight into polystyrene as the contemporary immobilization matrix. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.05.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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MPH-GST sensing microplate for easy detection of organophosphate insecticides. Biotechnol Lett 2021; 43:933-944. [PMID: 33512614 DOI: 10.1007/s10529-021-03078-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 01/06/2021] [Indexed: 10/22/2022]
Abstract
OBJECTIVE To develop a convenient and efficient means for organophosphate (OP) insecticide detection, a simple, cost-effective, and easy-to-use absorbance-based sensing device was generated using methyl parathion hydrolase fused with glutathione-S-transferase (MPH-GST) covalently immobilized onto a chitosan film-coated microplate. RESULTS With methyl parathion (MP) as a representative substrate, this MPH-GST sensing microplate had the detection limit of 0.1 µM and the linear range of 0.1-50 µM. Despite its highest stability at 4 °C, it was considerably stable at 25 °C with high activity for 30 days. It was also most stable at pH 8.0 and could be efficiently reused up to 100 rounds. The device revealed a high percentage of recovery for tap water spiked with a known concentration of MP, which was also comparable to the result obtained from gas chromatography-mass spectrometry. It also showed a high recovery of 82-100% with MP spiked agricultural products and satisfactory results with non-spiked samples. This immobilized enzyme sensing system was more sensitive and efficient than the whole cell system from our previous work. CONCLUSIONS All of the advantages of the MPH-GST sensing microplate developed have rendered it suitable for rapid and convenient OP screening, and for being a bio-element for fabricating a potential optical biosensor in the future.
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Easy-to-use and reliable absorbance-based MPH-GST biosensor for the detection of methyl parathion pesticide. ACTA ACUST UNITED AC 2020; 27:e00495. [PMID: 32642456 PMCID: PMC7334298 DOI: 10.1016/j.btre.2020.e00495] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/02/2020] [Accepted: 06/22/2020] [Indexed: 01/08/2023]
Abstract
Simple, inexpensive, high-efficiency absorbance-based OP biosensor was fabricated. Covalently immobilized methyl parathion hydrolase was used as a biomolecule. The biosensor can be used at room temperature for 100 rounds repetitively. The biosensor could detect MP with the detection limit of 0.1 μM. The biosensor showed high reliability for detecting MP in real samples.
Due to high contamination of organophosphate (OP) insecticides in agricultural products and the environment, efficient and convenient devices for their monitoring are necessary. Here, a simple, inexpensive, efficient, and easy-to-use absorbance-based biosensor was fabricated utilizing recombinant methyl parathion hydrolase fused with glutathione-S-transferase (MPH-GST), covalently immobilized onto a chitosan film-coated polystyrene microplate, for the detection of methyl parathion (MP) as a representative of OPs. Having been connected to the transducer system designed to work through an Arduino microcontroller, the biosensor could detect MP as efficiently as the conventional methods, with the detection limit of 0.1 μM, the lowest value ever reported for this method. It was stable at 25 °C for 30 days, could function 100 rounds repetitively, and yielded high recovery with real samples. Hence, this simply designed MPH-GST biosensor could be an easy and inexpensive alternative for efficient OP screening at site to help control its contamination.
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Eremina OE, Veselova IA, Borzenkova NV, Shekhovtsova TN. Optically transparent chitosan hydrogels for selective sorption and fluorometric determination of dibenzothiophenes. Carbohydr Polym 2019; 216:260-269. [DOI: 10.1016/j.carbpol.2019.04.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 03/12/2019] [Accepted: 04/01/2019] [Indexed: 11/29/2022]
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Agarwal P, Dubey S, Singh M, Singh RP. Aspergillus niger PA2 Tyrosinase Covalently Immobilized on a Novel Eco-Friendly Bio-Composite of Chitosan-Gelatin and Its Evaluation for L-DOPA Production. Front Microbiol 2017; 7:2088. [PMID: 28066399 PMCID: PMC5177867 DOI: 10.3389/fmicb.2016.02088] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 12/09/2016] [Indexed: 11/30/2022] Open
Abstract
Tyrosinase (EC 1.14.18.1) a copper-containing monooxygenase, isolated from a fungal isolate Aspergillus niger PA2 was subjected for immobilization onto a composite consisting of chitosan and gelatin biopolymers. The homogeneity of the chitosan-gelatin biocomposite film was characterized by X-ray diffraction analyses. To evaluate immobilization efficiency, chitosan-gelatin-Tyr bio-composite films were analyzed by field emission scanning electron microscopy, atomic force microscopy and UV-spectroscopy. The rough morphology of the film led to a high loading of enzyme and it could retain its bioactivity for a longer period. The enzyme adsorbed onto the film exhibited 72% of its activity after 10 days and exhibited good repeatability for up to nine times, after intermittent storage. Moreover, the immobilized enzyme exhibited broader pH and temperature profile as compared to free counterpart. Immobilized enzyme was further evaluated for the synthesis of L-DOPA (2,4-dihydroxy phenylalanine) which is a precursor of dopamine and a potent drug for the treatment of Parkinson's disease and for myocardium neurogenic injury.
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Affiliation(s)
- Pragati Agarwal
- Department of Biotechnology, Indian Institute of Technology Roorkee Roorkee, India
| | - Swati Dubey
- Department of Biotechnology, Indian Institute of Technology Roorkee Roorkee, India
| | - Mukta Singh
- Department of Biotechnology, Indian Institute of Technology Roorkee Roorkee, India
| | - Rajesh P Singh
- Department of Biotechnology, Indian Institute of Technology Roorkee Roorkee, India
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Martrou G, Léonetti M, Gigmes D, Trimaille T. One-step preparation of surface modified electrospun microfibers as suitable supports for protein immobilization. Polym Chem 2017. [DOI: 10.1039/c6py02086k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Surface modified microfibers were prepared in a one-step process, and were prone to retain the activity and improve the stability of immobilized enzymes.
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Affiliation(s)
| | - Marc Léonetti
- Aix Marseille Univ
- CNRS
- Centrale Marseille
- IRPHE
- Marseille
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Antioxidant Activities of Peptoid-Grafted Chitosan Films. Appl Biochem Biotechnol 2016; 181:283-293. [DOI: 10.1007/s12010-016-2212-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 08/08/2016] [Indexed: 01/28/2023]
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Elchinger PH, Delattre C, Faure S, Roy O, Badel S, Bernardi T, Taillefumier C, Michaud P. Immobilization of proteases on chitosan for the development of films with anti-biofilm properties. Int J Biol Macromol 2015; 72:1063-8. [DOI: 10.1016/j.ijbiomac.2014.09.061] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 09/16/2014] [Accepted: 09/27/2014] [Indexed: 01/06/2023]
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Yoshikawa H, Imura S, Tamiya E. A new methodology for optical biosensing with drop-casting fabrication of sensor chips and irradiation/detection of a single laser beam. RSC Adv 2015. [DOI: 10.1039/c5ra03754a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The mechanism of glucose sensing based on the laser-induced morphology change.
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Affiliation(s)
- H. Yoshikawa
- Department of Applied Physics
- Osaka University
- Osaka 565-0871
- Japan
| | - S. Imura
- Department of Applied Physics
- Osaka University
- Osaka 565-0871
- Japan
| | - E. Tamiya
- Department of Applied Physics
- Osaka University
- Osaka 565-0871
- Japan
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Kimmel JD, Arazawa DT, Ye SH, Shankarraman V, Wagner WR, Federspiel WJ. Carbonic anhydrase immobilized on hollow fiber membranes using glutaraldehyde activated chitosan for artificial lung applications. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2013; 24:2611-21. [PMID: 23888352 PMCID: PMC3826877 DOI: 10.1007/s10856-013-5006-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Accepted: 07/15/2013] [Indexed: 05/11/2023]
Abstract
Extracorporeal CO2 removal from circulating blood is a promising therapeutic modality for the treatment of acute respiratory failure. The enzyme carbonic anhydrase accelerates CO2 removal within gas exchange devices by locally catalyzing HCO3 (-) into gaseous CO2 within the blood. In this work, we covalently immobilized carbonic anhydrase on the surface of polypropylene hollow fiber membranes using glutaraldehyde activated chitosan tethering to amplify the density of reactive amine functional groups for enzyme immobilization. XPS and a colorimetric amine assay confirmed higher amine densities on the chitosan coated fiber compared to control fiber. Chitosan/CA coated fibers exhibited accelerated CO2 removal in scaled-down gas exchange devices in buffer and blood (115% enhancement vs. control, 37% enhancement vs. control, respectively). Carbonic anhydrase immobilized directly on hollow fiber membranes without chitosan tethering resulted in no enhancement in CO2 removal. Additionally, fibers coated with chitosan/carbonic anhydrase demonstrated reduced platelet adhesion when exposed to blood compared to control and heparin coated fibers.
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Affiliation(s)
- J. D. Kimmel
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA. Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - D. T. Arazawa
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA. Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - S.-H. Ye
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA. Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - V. Shankarraman
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA. Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - W. R. Wagner
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA. Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA. Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA. Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - W. J. Federspiel
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA. Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA. Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA. Department of Critical Care Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Gautam S, Gupta MN. WITHDRAWN: Smart polymer-coated microplate wells: Applications in protein purification, protein refolding, and sensing of analytes. Anal Biochem 2013:S0003-2697(13)00221-2. [PMID: 23685053 DOI: 10.1016/j.ab.2013.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Revised: 03/07/2013] [Accepted: 05/05/2013] [Indexed: 11/25/2022]
Abstract
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
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Affiliation(s)
- Saurabh Gautam
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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