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Sciortino F, Rydzek G, Boulmedais F. Electrochemical Assembly Strategies of Polymer and Hybrid Thin Films for (Bio)sensors, Charge Storage, and Triggered Release. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:11149-11165. [PMID: 37542435 DOI: 10.1021/acs.langmuir.3c00860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/07/2023]
Abstract
In the context of functional and hierarchical materials, electrode reactions coupled with one or more chemical reactions constitute the most powerful bottom-up process for the electrosynthesis of film components and their electrodeposition, enabling the localized functionalization of conductive surfaces using an electrical stimulus. In analogy with developmental biological processes, our group introduced the concept of morphogen-driven film buildup. In this approach, the gradient of a diffusing reactive molecule or ion (called a morphogen) is controlled by an electrical stimulus to locally induce a chemical process (solubility change, hydrolysis, complexation, and covalent reaction) that induces a film assembly. One of the prominent advantages of this technique is the conformal nature of the deposits toward the electrode. This Feature Article presents the contributions made by our group and other researchers to develop strategies for the assembly of different polymer and nanoparticle/polymer hybrid films by using electrochemically generated reagents and/or catalysts. The main electrochemical-chemical approaches for conformal films are described in the case where (i) the products are noncovalent aggregates that spontaneously precipitate on the electrode (film electrodeposition) or (ii) new chemical compounds are generated, which do not necessarily spontaneously precipitate and enable the formation of covalent or noncovalent films (film electrosynthesis). The applications of those electrogenerated films will be described with a focus on charge storage/transport, (bio)sensing, and stimuli-responsive cargo delivery systems.
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Affiliation(s)
- Flavien Sciortino
- University of Basel, Department of Chemistry Basel, Basel-Stadt 4001, Switzerland
| | - Gaulthier Rydzek
- ICGM, CNRS, ENSCM, Université de Montpellier, 34000 Montpellier, France
| | - Fouzia Boulmedais
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR 22, 67034 Strasbourg, France
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Zhu Y, Wei Q, Jin Q, Li G, Zhang Q, Xiao H, Li T, Wei F, Luo Y. Polyethylene Glycol Functionalized Silicon Nanowire Field-Effect Transistor Biosensor for Glucose Detection. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:604. [PMID: 36770565 PMCID: PMC9919870 DOI: 10.3390/nano13030604] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
Accurate monitoring of blood glucose levels is crucial for the diagnosis of diabetes patients. In this paper, we proposed a simple "mixed-catalyzer layer" modified silicon nanowire field-effect transistor biosensor that enabled direct detection of glucose with low-charge in high ionic strength solutions. A stable screening system was established to overcome Debye screening effect by forming a porous biopolymer layer with polyethylene glycol (PEG) modified on the surface of SiNW. The experimental results show that when the optimal ratio (APTMS:silane-PEG = 2:1) modified the surface of silicon nanowires, glucose oxidase can detect glucose in the concentration range of 10 nM to 10 mM. The sensitivity of the biosensor is calculated to be 0.47 μAcm-2mM-1, its fast response time not exceeding 8 s, and the detection limit is up to 10 nM. This glucose sensor has the advantages of high sensitivity, strong specificity and fast real-time response. Therefore, it has a potential clinical application prospect in disease diagnosis.
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Affiliation(s)
- Yan Zhu
- School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, China
- State Key Laboratory of Advanced Materials for Smart Sensing, GRINM Group Co., Ltd., Beijing 100088, China
| | - Qianhui Wei
- State Key Laboratory of Advanced Materials for Smart Sensing, GRINM Group Co., Ltd., Beijing 100088, China
- GRIMAT Engineering Institute Co., Ltd., Beijing 101407, China
- GRINM (Guangdong) Institute for Advanced Materials and Technology, Foshan 528051, China
| | - Qingxi Jin
- State Key Laboratory of Advanced Materials for Smart Sensing, GRINM Group Co., Ltd., Beijing 100088, China
- GRIMAT Engineering Institute Co., Ltd., Beijing 101407, China
| | - Gangrong Li
- GRINM (Guangdong) Institute for Advanced Materials and Technology, Foshan 528051, China
| | - Qingzhu Zhang
- Advanced Integrated Circuits R&D Center, Institute of Microelectronic of the Chinese Academy of Sciences, Beijing 100029, China
| | - Han Xiao
- School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Tengfei Li
- GRINM (Guangdong) Institute for Advanced Materials and Technology, Foshan 528051, China
| | - Feng Wei
- State Key Laboratory of Advanced Materials for Smart Sensing, GRINM Group Co., Ltd., Beijing 100088, China
- GRINM (Guangdong) Institute for Advanced Materials and Technology, Foshan 528051, China
| | - Yingchun Luo
- School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, China
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Influence of the catalyst layer thickness on the determination of the OER activity of Fe3O4@CoFe2O4 Core-Shell Nanoparticles. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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A Novel Aptamer-Imprinted Polymer-Based Electrochemical Biosensor for the Detection of Lead in Aquatic Products. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010196. [PMID: 36615388 PMCID: PMC9822230 DOI: 10.3390/molecules28010196] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/16/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022]
Abstract
Lead contamination in aquatic products is one of the main hazard factors. The aptasensor is a promising detection method for lead ion (Pb(II)) because of its selectivity, but it is easily affected by pH. The combination of ion-imprinted polymers(IIP) with aptamers may improve their stability in different pH conditions. This paper developed a novel electrochemical biosensor for Pb(II) detection by using aptamer-imprinted polymer as a recognition element. The glassy carbon electrode was modified with gold nanoparticles and aptamers. After the aptamer was induced by Pb(II) to form a G-quadruplex conformation, a chitosan-graphene oxide was electrodeposited and cross-linked with glutaraldehyde to form an imprint layer, improving the stability of the biosensor. Under the optimal experimental conditions, the current signal change (∆I) showed a linear correlation of the content of Pb(II) in the range of 0.1-2.0 μg/mL with a detection limit of 0.0796 μg/mL (S/N = 3). The biosensor also exhibited high selectivity for the determination of Pb(II) in the presence of other interfering metal ion. At the same time, the stability of the imprinted layer made the sensor applicable to the detection environment with a pH of 6.4-8.0. Moreover, the sensor was successfully applied to the detection of Pb(II) in mantis shrimp.
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Pfaehler S, Angı A, Chryssikos D, Cattani-Scholz A, Rieger B, Tornow M. Space charge-limited current transport in thin films of alkyl-functionalized silicon nanocrystals. NANOTECHNOLOGY 2019; 30:395201. [PMID: 31304917 DOI: 10.1088/1361-6528/ab2c28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We describe the fabrication and electrical characterization of all-silicon electrode devices to study the electronic properties of thin films of silicon nanocrystals (SiNCs). Planar, highly doped Si electrodes with contact separation of 200 nm were fabricated from silicon-on-insulator substrates, by combination of electron beam lithography and reactive ion etching. The gaps between the electrodes of height 110 nm were filled with thin-films of hexyl functionalized SiNCs (diameter 3 nm) from colloidal dispersions, via a pressure-transducing PDMS (polydimethylsiloxane) membrane. This novel approach allowed the formation of homogeneous SiNC films with precise control of their thickness in the range of 15-90 nm, practically without any voids or cracks. The measured conductance of the highly resistive SiNC films at high bias voltages up to 60 V scaled approximately linearly with gap width (5-50 μm) and gap filling height, with little device-to-device variance. We attribute the observed, pronounced hysteretic current-voltage (I-V) characteristics to space-charge-limited current transport, which-after about twenty cycles-eventually blocks the current almost completely. We propose our all-silicon device scheme and gap filling methodology as a platform to investigate charge transport in novel hybrid materials at the nanoscale, in particular in the high resistivity regime.
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Affiliation(s)
- Simon Pfaehler
- Molecular Electronics, Technische Universität München, Theresienstr. 90, D-80333 München, Germany
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Sciortino F, Rydzek G, Grasset F, Kahn ML, Hill JP, Chevance S, Gauffre F, Ariga K. Electro-click construction of hybrid nanocapsule films with triggered delivery properties. Phys Chem Chem Phys 2018; 20:2761-2770. [DOI: 10.1039/c7cp07506e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nanocapsule films composed of hollow PAA/IONPs hybridosomes were covalently assembled in one-pot by electro-click, enabling the encapsulation and triggered release of bodipy.
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Affiliation(s)
- Flavien Sciortino
- University of Rennes
- Centre National de la Recherche Scientifique (CNRS, France)
- Institut des Sciences Chimiques de Rennes (ISCR)
- UMR 6226
- F-35000 Rennes
| | - Gaulthier Rydzek
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA)
- National Institute for Materials Science (NIMS)
- 1-1 Namiki
- Tsukuba 305-0044
- Japan
| | - Fabien Grasset
- CNRS UMI 3629 CNRS – Saint Gobain – NIMS
- Laboratory for Innovative Key Materials and Structures (LINK)
- National Institute for Materials Science (NIMS)
- 1-1 Namiki
- Tsukuba 305-0044
| | - Myrtil L. Kahn
- Laboratoire de Chimie de Coordination UPR8241 CNRS, 205 rte de Narbonne
- 31000 Toulouse Cedex 04
- France
| | - Jonathan P. Hill
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA)
- National Institute for Materials Science (NIMS)
- 1-1 Namiki
- Tsukuba 305-0044
- Japan
| | - Soizic Chevance
- University of Rennes
- Centre National de la Recherche Scientifique (CNRS, France)
- Institut des Sciences Chimiques de Rennes (ISCR)
- UMR 6226
- F-35000 Rennes
| | - Fabienne Gauffre
- University of Rennes
- Centre National de la Recherche Scientifique (CNRS, France)
- Institut des Sciences Chimiques de Rennes (ISCR)
- UMR 6226
- F-35000 Rennes
| | - Katsuhiko Ariga
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA)
- National Institute for Materials Science (NIMS)
- 1-1 Namiki
- Tsukuba 305-0044
- Japan
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Maerten C, Jierry L, Schaaf P, Boulmedais F. Review of Electrochemically Triggered Macromolecular Film Buildup Processes and Their Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2017; 9:28117-28138. [PMID: 28762716 DOI: 10.1021/acsami.7b06319] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Macromolecular coatings play an important role in many technological areas, ranging from the car industry to biosensors. Among the different coating technologies, electrochemically triggered processes are extremely powerful because they allow in particular spatial confinement of the film buildup up to the micrometer scale on microelectrodes. Here, we review the latest advances in the field of electrochemically triggered macromolecular film buildup processes performed in aqueous solutions. All these processes will be discussed and related to their several applications such as corrosion prevention, biosensors, antimicrobial coatings, drug-release, barrier properties and cell encapsulation. Special emphasis will be put on applications in the rapidly growing field of biosensors. Using polymers or proteins, the electrochemical buildup of the films can result from a local change of macromolecules solubility, self-assembly of polyelectrolytes through electrostatic/ionic interactions or covalent cross-linking between different macromolecules. The assembly process can be in one step or performed step-by-step based on an electrical trigger affecting directly the interacting macromolecules or generating ionic species.
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Affiliation(s)
- Clément Maerten
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR 22 , 23 rue du Loess, F-67034 Strasbourg Cedex, France
| | - Loïc Jierry
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR 22 , 23 rue du Loess, F-67034 Strasbourg Cedex, France
| | - Pierre Schaaf
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR 22 , 23 rue du Loess, F-67034 Strasbourg Cedex, France
- INSERM, Unité 1121 "Biomaterials and Bioengineering" , 11 rue Humann, F-67085 Strasbourg Cedex, France
- Faculté de Chirurgie Dentaire, Fédération de Médecine Translationnelle de Strasbourg (FMTS), and Fédération des Matériaux et Nanoscience d'Alsace (FMNA), Université de Strasbourg , 8 rue Sainte Elisabeth, F-67000 Strasbourg, France
- University of Strasbourg Institute for Advanced Study , 5 allée du Général Rouvillois, F-67083 Strasbourg, France
| | - Fouzia Boulmedais
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR 22 , 23 rue du Loess, F-67034 Strasbourg Cedex, France
- University of Strasbourg Institute for Advanced Study , 5 allée du Général Rouvillois, F-67083 Strasbourg, France
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