1
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Ryzhkov N, Colson N, Ahmed E, Pobedinskas P, Haenen K, Braun A, Janssen PJ. Electric Polarization-Dependent Absorption and Photocurrent Generation in Limnospira indica Immobilized on Boron-Doped Diamond. ACS OMEGA 2024; 9:32949-32961. [PMID: 39100327 PMCID: PMC11292817 DOI: 10.1021/acsomega.4c03925] [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: 04/24/2024] [Revised: 06/21/2024] [Accepted: 06/28/2024] [Indexed: 08/06/2024]
Abstract
We present the change of light absorption of cyanobacteria in response to externally applied electrical polarization. Specifically, we studied the relation between electrical polarization and changes in light absorbance for a biophotoelectrode assembly comprising boron-doped diamond as semiconducting electrode and live Limnospira indicaPCC 8005 trichomes embedded in either polysaccharide (agar) or conductive conjugated polymer (PEDOT-PSS) matrices. Our study involves the monitoring of cyanobacterial absorbance and the measurement of photocurrents at varying wavelengths of illumination for switched electric fields, i.e., using the bioelectrode either as an anode or as cathode. We observed changes in the absorbance characteristics, indicating a direct causal relationship between electrical polarization and absorbing properties of L. indica. Our finding opens up a potential avenue for optimization of the performance of biophotovoltaic devices through controlled polarization. Furthermore, our results provide fundamental insights into the wavelength-dependent behavior of a bio photovoltaic system using live cyanobacteria.
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Affiliation(s)
- Nikolay Ryzhkov
- Empa.
Swiss Federal Laboratories for Materials Science and Technology, Laboratory
for High Performance Ceramics, Dübendorf CH-8600, Switzerland
| | - Nora Colson
- Empa.
Swiss Federal Laboratories for Materials Science and Technology, Laboratory
for High Performance Ceramics, Dübendorf CH-8600, Switzerland
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, Diepenbeek B-3590, Belgium
- IMOMEC,
IMEC vzw, Wetenschapspark
1, Diepenbeek B-3590, Belgium
| | - Essraa Ahmed
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, Diepenbeek B-3590, Belgium
- IMOMEC,
IMEC vzw, Wetenschapspark
1, Diepenbeek B-3590, Belgium
| | - Paulius Pobedinskas
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, Diepenbeek B-3590, Belgium
- IMOMEC,
IMEC vzw, Wetenschapspark
1, Diepenbeek B-3590, Belgium
| | - Ken Haenen
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, Diepenbeek B-3590, Belgium
- IMOMEC,
IMEC vzw, Wetenschapspark
1, Diepenbeek B-3590, Belgium
| | - Artur Braun
- Empa.
Swiss Federal Laboratories for Materials Science and Technology, Laboratory
for High Performance Ceramics, Dübendorf CH-8600, Switzerland
| | - Paul J. Janssen
- Institute
for Nuclear Medical Applications, Belgian
Nuclear Research Centre, Mol B-2400, Belgium
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2
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Zhu T, Li S, Li L, Tao C. A new perspective on predicting the reaction rate constants of hydrated electrons for organic contaminants: Exploring molecular structure characterization methods and ambient conditions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166316. [PMID: 37591396 DOI: 10.1016/j.scitotenv.2023.166316] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/26/2023] [Accepted: 08/12/2023] [Indexed: 08/19/2023]
Abstract
Hydrated electrons (eaq-) exhibit rapid degradation of diverse persistent organic contaminants (OCs) and hold great promise as a formidable reducing agent in water treatment. However, the diverse structures of compounds exert different influences on the second-order rate constant of hydrated electron reactions (keaq-), while the same OCs demonstrate notable discrepancies in keaq- values across different pH levels. This study aims to develop machine learning (ML) models that can effectively simulate the intricate reaction kinetics between eaq- and OCs. Furthermore, the introduction of the pH variable enables a comprehensive investigation into the impact of ambient conditions on this process, thereby improving the practicality of the model. A dataset encompassing 701 keaq- values derived from 351 peer-reviewed publications was compiled. To comprehensively investigate compound properties, this study introduced molecular descriptor (MD), molecular fingerprint (MF), and the integration of both (MD + MF) as model variables. Furthermore, 60 sets of predictive models were established utilizing two variable screening methodologies (MLR and RF) and ten prominent algorithms. Through statistical parameter analysis, it was determined that descriptors combined with MD and MF, the RF screening method, and the symbolism algorithm exhibited the best predictive efficacy. Importantly, the combination of descriptor models exhibited significantly superior performance compared to individual MF and MD models. Notably, the optimal model, denoted as RF - (MF + MD) - LGB, exhibited highly satisfactory predictive results (R2tra = 0.967, Q2tra = 0.840, R2ext = 0.761). The mechanistic explanation study based on Shapley Additive Explanations (SHAP) values further elucidated the crucial influences of polarity, pH, molecular weight, electronegativity, carbon-carbon double bonds, and molecular topology on the degradation of OCs by eaq-. The proposed modeling approach, particularly the integration of MF and MD, alongside the introduction of pH, may furnish innovative ideas for advanced reduction or oxidation processes (ARPs/AOPs) and machine learning applications in other domains.
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Affiliation(s)
- Tengyi Zhu
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China.
| | - Shuyin Li
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Lili Li
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Cuicui Tao
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
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3
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Imbriano A, Tricase A, Macchia E, Torsi L, Bollella P. Self-powered logically operated fluorescent detection of hepatitis B virus (HBV). Anal Chim Acta 2023; 1252:341037. [PMID: 36935148 DOI: 10.1016/j.aca.2023.341037] [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: 12/21/2022] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023]
Abstract
In this study, a novel sensing strategy based on double sensing/actuating pathway is demonstrated, being capable to trigger the DNA-based AND gate for the sensitive and selective detection of hepatitis B virus DNA (HBV-DNA). Such an approach encompasses an enzymatic machinery logically operated using the variation of physiologically relevant biomarkers for liver dysfunctions. Alanine aminotransferase (ALT) and lactate dehydrogenase (LDH) are used as inputs of an AND gate generating an output signal, namely lactate. In particular, lactate is oxidized back to pyruvate at the anodic electrode by lactate oxidase connected in mediated electron transfer through ferrocene moieties (creating an amplifying recycling mechanism). The anodic electrode is further connected with a Myrothecium verrucaria bilirubin oxidase (MvBOx) based biocathode modified with SiO2 nanoparticles (SiO2NPs) functionalized with phenyl boronic acid and trigonelline, triggering the release of quenching DNA (qDNA) upon local pH change at the electrode surface (notably, modified SiONPs gets negatively recharged upon local pH gradient releasing negatively charged DNA). Next, the released qDNA labeled with BHQ2 and detecting DNA (dDNA, labeled with FAM) are detecting HBV-DNA. The proposed biosensor can discriminate between the absence and presence of HBV-DNA setting the threshold at 0.05 fM in model buffer solutions and 1 fM in human serum. This enzymatic/DNA logic network can be of particular interest for future biomedical applications (e.g., early detection of liver cancer disease etc.). In the future development this technology could be easily integrated with a smartphone camera, allowing more user-friendly applications.
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Affiliation(s)
- Anna Imbriano
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy; Centre for Colloid and Surface Science, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy
| | - Angelo Tricase
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy
| | - Eleonora Macchia
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy; Faculty of Science and Engineering, Åbo Akademi University, 20500, Turku, Finland
| | - Luisa Torsi
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy; Centre for Colloid and Surface Science, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy; Faculty of Science and Engineering, Åbo Akademi University, 20500, Turku, Finland
| | - Paolo Bollella
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy; Centre for Colloid and Surface Science, Università degli Studi di Bari Aldo Moro, 70125, Bari, Italy.
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4
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Sterin I, Tverdokhlebova A, Katz E, Smutok O. Multiple pH waves generated electrochemically and propagated from an electrode surface. Chem Commun (Camb) 2022; 58:10516-10519. [PMID: 36043470 DOI: 10.1039/d2cc03349f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Local pH changes were produced upon electrochemical reactions. Cyclic application of reductive and oxidative potentials resulted in the formation of pH waves in the form of distinct solution layers. Multiple layers with basic and acidic pH values were visualized with a fluorescence confocal microscope following fluorescence of pH-dependent dyes.
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Affiliation(s)
- Ilya Sterin
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, 13699-5810, USA.
| | - Anna Tverdokhlebova
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, 13699-5810, USA.
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, 13699-5810, USA.
| | - Oleh Smutok
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, 13699-5810, USA.
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5
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Santoro C, Bollella P, Erable B, Atanassov P, Pant D. Oxygen reduction reaction electrocatalysis in neutral media for bioelectrochemical systems. Nat Catal 2022. [DOI: 10.1038/s41929-022-00787-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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6
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Badenhorst R, Kadambar VK, Bellare M, Melman A, Katz E, Smutok O. Electrochemically produced local pH changes stimulating (bio)molecule release from pH-switchable electrode-immobilized avidin-biotin systems. Phys Chem Chem Phys 2022; 24:6410-6414. [PMID: 35234792 DOI: 10.1039/d2cp00689h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Immobilized avidin-biotin complexes were used to release biotinylated (bio)molecules upon producing local pH changes near an electrode surface by electrochemical reactions. The nitro-avidin complex with biotin was dissociated by increasing local pH with electrochemical O2 reduction. The avidin complex with iminobiotin was split by decreasing local pH with electrochemical oxidation of ascorbate. Both studied systems were releasing molecule cargo species in response to small electrical potentials (-0.4 V or 0.2 V for the O2 reduction or ascorbate oxidation, respectively) applied on the modified electrodes.
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Affiliation(s)
- Ronaldo Badenhorst
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA.
| | | | - Madhura Bellare
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA.
| | - Artem Melman
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA.
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA.
| | - Oleh Smutok
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA.
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7
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Bollella P, Melman A, Katz E. Operando
Local pH Mapping of Electrochemical and Bioelectrochemical Reactions Occurring at an Electrode Surface: Effect of the Buffer Concentration. ChemElectroChem 2021. [DOI: 10.1002/celc.202101141] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Paolo Bollella
- Department of Chemistry and Biomolecular Science Clarkson University 8 Clarkson Ave. Potsdam NY 13699 USA
- Department of Chemistry University of Bari A. Moro Via E. Orabona 4 70125 Bari Italy
| | - Artem Melman
- Department of Chemistry and Biomolecular Science Clarkson University 8 Clarkson Ave. Potsdam NY 13699 USA
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science Clarkson University 8 Clarkson Ave. Potsdam NY 13699 USA
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8
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Wells PK, Smutok O, Melman A, Katz E. Switchable Biocatalytic Reactions Controlled by Interfacial pH Changes Produced by Orthogonal Biocatalytic Processes. ACS APPLIED MATERIALS & INTERFACES 2021; 13:33830-33839. [PMID: 34264645 DOI: 10.1021/acsami.1c07393] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Enzymes immobilized on a nano-structured surface were used to switch the activity of one enzyme by a local pH change produced by another enzyme. Immobilized amyloglucosidase (AMG) and trypsin were studied as examples of the pH-dependent switchable "target enzymes." The reactions catalyzed by co-immobilized urease or esterase were increasing or decreasing the local pH, respectively, thus operating as "actuator enzymes." Both kinds of the enzymes, producing local pH changes and changing biocatalytic activity with the pH variation, were orthogonal in terms of the biocatalytic reactions; however, their operation was coupled with the local pH produced near the surface with the immobilized enzymes. The "target enzymes" (AMG and trypsin) were changed reversibly between the active and inactive states by applying input signals (urea or ester, substrates for the urease or esterase operating as the "actuator enzymes") and washing them out with a new portion of the background solution. The developed approach can potentially lead to switchable operation of several enzymes, while some of them are inhibited when the others are activated upon receiving external signals processed by the "actuator enzymes." More complex systems with branched biocatalytic cascades can be controlled by orthogonal biocatalytic reactions activating selected pathways and changing the final output.
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Affiliation(s)
- Paulina K Wells
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699, United States
| | - Oleh Smutok
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699, United States
| | - Artem Melman
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699, United States
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699, United States
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9
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Bollella P, Kadambar VK, Melman A, Katz E. Reconfigurable Implication and Inhibition Boolean logic gates based on NAD
+
‐dependent enzymes: Application to signal‐controlled biofuel cells and molecule release. ELECTROCHEMICAL SCIENCE ADVANCES 2021. [DOI: 10.1002/elsa.202100008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
- Paolo Bollella
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam New York USA
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” 70125 Bari Italy
| | | | - Artem Melman
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam New York USA
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam New York USA
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10
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Szekeres K, Bollella P, Kim Y, Minko S, Melman A, Katz E. Magneto-Controlled Enzyme Activity with Locally Produced pH Changes. J Phys Chem Lett 2021; 12:2523-2527. [PMID: 33682408 DOI: 10.1021/acs.jpclett.1c00036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Biocatalytic activity of amyloglucosidase (AMG), immobilized on superparamagnetic nanoparticles, is dynamically and reversibly activated or inhibited by applying a magnetic field. The magnetic field triggers aggregation/deaggregation of magnetic particles that are also functionalized with urease or esterase enzymes. These enzymes produce a local pH change in the vicinity of the particles changing the AMG activity.
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Affiliation(s)
- Krisztina Szekeres
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
- Electrochemistry and Electroanalytical Chemistry, Eötvös Loránd University, Budapest 1117, Hungary
| | - Paolo Bollella
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
- Department of Chemistry, University of Bari A. Moro, Via E. Orabona 4, 70125 Bari, Italy
| | - Yongwook Kim
- Nanostructured Materials Lab, University of Georgia, Athens, Georgia 30602, United States
| | - Sergiy Minko
- Nanostructured Materials Lab, University of Georgia, Athens, Georgia 30602, United States
| | - Artem Melman
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
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11
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Bollella P, Guo Z, Edwardraja S, Krishna Kadambar V, Alexandrov K, Melman A, Katz E. Self-powered molecule release systems activated with chemical signals processed through reconfigurable Implication or Inhibition Boolean logic gates. Bioelectrochemistry 2020; 138:107735. [PMID: 33482577 DOI: 10.1016/j.bioelechem.2020.107735] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/16/2020] [Accepted: 12/23/2020] [Indexed: 02/07/2023]
Abstract
The Implication (IMPLY) and Inhibition (INHIB) Boolean logic gates were realized using switchable chimeric pyrroloquinoline quinone-dependent glucose dehydrogenase (PQQ-GDH-Clamp) containing a fused affinity clamp unit recognizing a signal-peptide. The second component of the logic gate was the wild-type PQQ-glucose dehydrogenase working cooperatively with the PQQ-GDH-Clamp enzyme. The IMPLY and INHIB gates were realized using the same enzyme composition activated with differently defined input signals, thus representing reconfigurable logic systems. The logic gates were first tested while operating in a solution with optical analysis of the output signals. Then, the enzymes were immobilized on a buckypaper electrode for electrochemical transduction of the output signals. The switchable modified electrodes mimicking the IMPLY or INHIB logic gates were integrated with an oxygen-reducing electrode modified with bilirubin oxidase to operate as a biofuel cell activated/inhibited by various input signal combinations processed either by IMPLY or INHIB logic gates. The switchable biofuel cell was used as a self-powered device triggering molecule release function controlled by the logically processed molecule signals.
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Affiliation(s)
- Paolo Bollella
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Ave., Potsdam, NY 13699, USA.
| | - Zhong Guo
- CSIRO-QUT Synthetic Biology Alliance, ARC Centre of Excellence in Synthetic Biology Centre for Agriculture and the Bioeconomy, School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4001, QLD, Australia
| | - Selvakumar Edwardraja
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, QLD, Australia
| | - Vasantha Krishna Kadambar
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Ave., Potsdam, NY 13699, USA
| | - Kirill Alexandrov
- CSIRO-QUT Synthetic Biology Alliance, ARC Centre of Excellence in Synthetic Biology Centre for Agriculture and the Bioeconomy, School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4001, QLD, Australia.
| | - Artem Melman
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Ave., Potsdam, NY 13699, USA.
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Ave., Potsdam, NY 13699, USA.
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12
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Kadambar VK, Bellare M, Bollella P, Katz E, Melman A. Electrochemical control of the catalytic activity of immobilized enzymes. Chem Commun (Camb) 2020; 56:13800-13803. [DOI: 10.1039/d0cc06190e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Regulation of the catalytic activity of enzymes immobilized on carbon nanotube electrodes was achieved by changing their local pH environment using electrochemical reactions.
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Affiliation(s)
| | - Madhura Bellare
- Department of Chemistry and Biomolecular Science
- Clarkson University
- Potsdam
- USA
| | - Paolo Bollella
- Department of Chemistry and Biomolecular Science
- Clarkson University
- Potsdam
- USA
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science
- Clarkson University
- Potsdam
- USA
| | - Artem Melman
- Department of Chemistry and Biomolecular Science
- Clarkson University
- Potsdam
- USA
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