1
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Jia X, Stewart-Jones E, Alvarez-Hernandez JL, Bein GP, Dempsey JL, Donley CL, Hazari N, Houck MN, Li M, Mayer JM, Nedzbala HS, Powers RE. Photoelectrochemical CO 2 Reduction to CO Enabled by a Molecular Catalyst Attached to High-Surface-Area Porous Silicon. J Am Chem Soc 2024; 146:7998-8004. [PMID: 38507795 DOI: 10.1021/jacs.3c10837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
A high-surface-area p-type porous Si photocathode containing a covalently immobilized molecular Re catalyst is highly selective for the photoelectrochemical conversion of CO2 to CO. It gives Faradaic efficiencies of up to 90% for CO at potentials of -1.7 V (versus ferrocenium/ferrocene) under 1 sun illumination in an acetonitrile solution containing phenol. The photovoltage is approximately 300 mV based on comparisons with similar n-type porous Si cathodes in the dark. Using an estimate of the equilibrium potential for CO2 reduction to CO under optimized reaction conditions, photoelectrolysis was performed at a small overpotential, and the onset of electrocatalysis in cyclic voltammograms occurred at a modest underpotential. The porous Si photoelectrode is more stable and selective for CO production than the photoelectrode generated by attaching the same Re catalyst to a planar Si wafer. Further, facile characterization of the porous Si-based photoelectrodes using transmission mode FTIR spectroscopy leads to highly reproducible catalytic performance.
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Affiliation(s)
- Xiaofan Jia
- The Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Eleanor Stewart-Jones
- The Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Jose L Alvarez-Hernandez
- The Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Gabriella P Bein
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Jillian L Dempsey
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Carrie L Donley
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Nilay Hazari
- The Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Madison N Houck
- The Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Min Li
- West Campus Materials Characterization Core, Yale University, West Haven, Connecticut 06516, United States
| | - James M Mayer
- The Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Hannah S Nedzbala
- The Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Rebecca E Powers
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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2
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Tsai MT, Lee YC, Lin YM, Hsiao VKS, Chu CC. Exploring the Influence of Solvents on Electrochemically Etched Porous Silicon Based on Photoluminescence and Surface Morphology Analysis. MATERIALS (BASEL, SWITZERLAND) 2024; 17:989. [PMID: 38473462 DOI: 10.3390/ma17050989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/13/2024] [Accepted: 02/18/2024] [Indexed: 03/14/2024]
Abstract
Porous silicon (PSi) has promising applications in optoelectronic devices due to its efficient photoluminescence (PL). This study systematically investigates the effects of various organic solvents and their concentrations during electrochemical etching on the resulting PL and surface morphology of PSi. Ethanol, n-butanol, ethylene glycol (EG) and N,N-dimethylformamide (DMF) were employed as solvents in hydrofluoric acid (HF)-based silicon etching. The PL peak position exhibited progressive blue-shifting with increasing ethanol and EG concentrations, accompanied by reductions in the secondary peak intensity and emission linewidth. Comparatively, changes in n-butanol concentration only slightly impacted the main PL peak position. Additionally, distinct morphological transitions were observed for different solvents, with ethanol and n-butanol facilitating uniform single-layer porous structures at higher concentrations in contrast to the excessive etching caused by EG and DMF resulting in PL quenching. These results highlight the complex interdependencies between solvent parameters such as polarity, volatility and viscosity in modulating PSi properties through their influence on surface wetting, diffusion and etching kinetics. The findings provide meaningful guidelines for selecting suitable solvent conditions to tune PSi characteristics for optimized device performance.
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Affiliation(s)
- Meng-Ting Tsai
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Yi-Chen Lee
- Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou 54561, Taiwan
| | - Yung-Mei Lin
- Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou 54561, Taiwan
| | - Vincent K S Hsiao
- Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou 54561, Taiwan
| | - Chih-Chien Chu
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
- Department of Medical Education, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
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3
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Meng X, O'Hare D, Ladame S. Surface immobilization strategies for the development of electrochemical nucleic acid sensors. Biosens Bioelectron 2023; 237:115440. [PMID: 37406480 DOI: 10.1016/j.bios.2023.115440] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 05/20/2023] [Accepted: 05/27/2023] [Indexed: 07/07/2023]
Abstract
Following the recent pandemic and with the emergence of cell-free nucleic acids in liquid biopsies as promising biomarkers for a broad range of pathologies, there is an increasing demand for a new generation of nucleic acid tests, with a particular focus on cost-effective, highly sensitive and specific biosensors. Easily miniaturized electrochemical sensors show the greatest promise and most typically rely on the chemical functionalization of conductive materials or electrodes with sequence-specific hybridization probes made of standard oligonucleotides (DNA or RNA) or synthetic analogues (e.g. Peptide Nucleic Acids or PNAs). The robustness of such sensors is mostly influenced by the ability to control the density and orientation of the probe at the surface of the electrode, making the chemistry used for this immobilization a key parameter. This exhaustive review will cover the various strategies to immobilize nucleic acid probes onto different solid electrode materials. Both physical and chemical immobilization techniques will be presented. Their applicability to specific electrode materials and surfaces will also be discussed as well as strategies for passivation of the electrode surface as a way of preventing electrode fouling and reducing nonspecific binding.
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Affiliation(s)
- Xiaotong Meng
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK. https://in.linkedin.com/https://www.linkedin.com/profile/view?id=xiaotong-meng-888IC
| | - Danny O'Hare
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK.
| | - Sylvain Ladame
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK.
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4
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Mazzotta E, Di Giulio T, Mariani S, Corsi M, Malitesta C, Barillaro G. Vapor-Phase Synthesis of Molecularly Imprinted Polymers on Nanostructured Materials at Room-Temperature. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302274. [PMID: 37222612 DOI: 10.1002/smll.202302274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/27/2023] [Indexed: 05/25/2023]
Abstract
Molecularly imprinted polymers (MIPs) have recently emerged as robust and versatile artificial receptors. MIP synthesis is carried out in liquid phase and optimized on planar surfaces. Application of MIPs to nanostructured materials is challenging due to diffusion-limited transport of monomers within the nanomaterial recesses, especially when the aspect ratio is >10. Here, the room temperature vapor-phase synthesis of MIPs in nanostructured materials is reported. The vapor phase synthesis leverages a >1000-fold increase in the diffusion coefficient of monomers in vapor phase, compared to liquid phase, to relax diffusion-limited transport and enable the controlled synthesis of MIPs also in nanostructures with high aspect ratio. As proof-of-concept application, pyrrole is used as the functional monomer thanks to its large exploitation in MIP preparation; nanostructured porous silicon oxide (PSiO2 ) is chosen to assess the vapor-phase deposition of PPy-based MIP in nanostructures with aspect ratio >100; human hemoglobin (HHb) is selected as the target molecule for the preparation of a MIP-based PSiO2 optical sensor. High sensitivity and selectivity, low detection limit, high stability and reusability are achieved in label-free optical detection of HHb, also in human plasma and artificial serum. The proposed vapor-phase synthesis of MIPs is immediately transferable to other nanomaterials, transducers, and proteins.
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Affiliation(s)
- Elisabetta Mazzotta
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, Lecce, 73100, Italy
| | - Tiziano Di Giulio
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, Lecce, 73100, Italy
| | - Stefano Mariani
- Information Engineering Department, University of Pisa, via G. Caruso 16, Pisa, 56122, Italy
| | - Martina Corsi
- Information Engineering Department, University of Pisa, via G. Caruso 16, Pisa, 56122, Italy
| | - Cosimino Malitesta
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, Lecce, 73100, Italy
| | - Giuseppe Barillaro
- Information Engineering Department, University of Pisa, via G. Caruso 16, Pisa, 56122, Italy
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5
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Nar S, Stolz A, Machon D, Bourhis E, Andreazza P, Boucherif A, Semmar N. Effect of Nanographene Coating on the Seebeck Coefficient of Mesoporous Silicon. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1254. [PMID: 37049347 PMCID: PMC10097016 DOI: 10.3390/nano13071254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 06/19/2023]
Abstract
Nanographene-mesoporous silicon (G-PSi) composites have recently emerged as a promising class of nanomaterials with tuneable physical properties. In this study, we investigated the impact of nanographene coating on the Seebeck coefficient of mesoporous silicon (PSi) obtained by varying two parameters: porosity and thickness. To achieve this, an electrochemical etching process on p + doped Si is presented for the control of the parameters (thicknesses varying from 20 to 160 µm, and a porosity close to 50%), and for nanographene incorporation through chemical vapor deposition. Raman and XPS spectroscopies confirmed the presence of nanographene on PSi. Using a homemade ZT meter, the Seebeck coefficient of the p + doped Si matrix was evaluated at close to 100 ± 15 µV/K and confirmed by UPS spectroscopy analysis. Our findings suggest that the Seebeck coefficient of the porous Si can be measured independently from that of the substrate by fitting measurements on samples with a different thickness of the porous layer. The value of the Seebeck coefficient for the porous Si is of the order of 750 ± 40 µV/K. Furthermore, the incorporation of nanographene induced a drastic decrease to approximately 120 ± 15 µV/K, a value similar to that of its silicon substrate.
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Affiliation(s)
- Sibel Nar
- Groupe de Recherches sur l’Énergétique des Milieux Ionisés, GREMI, Université d’Orléans, CNRS, 14 Rue d’Issoudun, 45067 Orleans CEDEX 02, France; (S.N.)
- Laboratoire Nanotechnologies et Nanosystèmes (LN2)–CNRS IRL-3463, Université de Sherbrooke, 3000 Boulevard Université, Sherbrooke, QC J1K OA5, Canada
- Institut Interdisciplinaire d’Innovation Technologique (3IT), Université de Sherbrooke, 3000 Boulevard de l’Université, Sherbrooke, QC J1K OA5, Canada
| | - Arnaud Stolz
- Groupe de Recherches sur l’Énergétique des Milieux Ionisés, GREMI, Université d’Orléans, CNRS, 14 Rue d’Issoudun, 45067 Orleans CEDEX 02, France; (S.N.)
| | - Denis Machon
- Laboratoire Nanotechnologies et Nanosystèmes (LN2)–CNRS IRL-3463, Université de Sherbrooke, 3000 Boulevard Université, Sherbrooke, QC J1K OA5, Canada
- Institut Interdisciplinaire d’Innovation Technologique (3IT), Université de Sherbrooke, 3000 Boulevard de l’Université, Sherbrooke, QC J1K OA5, Canada
- Université de Lyon, INSA Lyon, CNRS, École Centrale de Lyon, Université Claude Bernard Lyon 1, CPE Lyon, INL, UMR5270, 69621 Villeurbanne, France
| | - Eric Bourhis
- Interfaces, Confinement, Matériaux et Nanostructures, ICMN, Université d’Orléans, CNRS, 1B, Rue de la Férollerie, 45071 Orleans CEDEX 02, France
| | - Pascal Andreazza
- Interfaces, Confinement, Matériaux et Nanostructures, ICMN, Université d’Orléans, CNRS, 1B, Rue de la Férollerie, 45071 Orleans CEDEX 02, France
| | - Abderraouf Boucherif
- Laboratoire Nanotechnologies et Nanosystèmes (LN2)–CNRS IRL-3463, Université de Sherbrooke, 3000 Boulevard Université, Sherbrooke, QC J1K OA5, Canada
- Institut Interdisciplinaire d’Innovation Technologique (3IT), Université de Sherbrooke, 3000 Boulevard de l’Université, Sherbrooke, QC J1K OA5, Canada
| | - Nadjib Semmar
- Groupe de Recherches sur l’Énergétique des Milieux Ionisés, GREMI, Université d’Orléans, CNRS, 14 Rue d’Issoudun, 45067 Orleans CEDEX 02, France; (S.N.)
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6
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Khizar S, Elaissari A, Al-Dossary AA, Zine N, Jaffrezic-Renault N, Errachid A. Advancement in Nanoparticle-Based Biosensors for Point-of-Care In Vitro Diagnostics. Curr Top Med Chem 2022; 22:807-833. [DOI: 10.2174/1568026622666220401160121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/20/2022] [Accepted: 02/10/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
Recently, there has been great progress in the field of extremely sensitive and precise detection of bioanalytes. The importance of the utilization of nanoparticles in biosensors has been recognized due to their unique properties. Specifically, nanoparticles of gold, silver, and magnetic plus graphene, quantum dots, and nanotubes of carbon are being keenly considered for utilizations within biosensors to detect nucleic acids, glucose, or pathogens (bacteria as well as a virus). Taking advantage of nanoparticles, faster and sensitive biosensors can be developed. Here we review the nanoparticles' contribution to the biosensors field and their potential applications.
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Affiliation(s)
- Sumera Khizar
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, F-69622 Lyon, France
| | - Abdelhamid Elaissari
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, F-69622 Lyon, France
| | - Amal Ali Al-Dossary
- Department of Basic Sciences, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 34212, Saudi Arabia
| | - Nadia Zine
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, F-69622 Lyon, France
| | | | - Abdelhamid Errachid
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, F-69622 Lyon, France
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7
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Cisneros-Covarrubias CA, Gómez-Durán CF, Aguirre-Bañuelos P, Hernández-Esquivel RA, Palestino G. Tramadol extended-release porous silicon microcarriers: A kinetic, physicochemical and biological evaluation. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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8
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Ding J, Ge L, Zhu X, Jiao J, Zhang L, Ge D. Investigation on the Photoluminescence of p-Type Porous Silicon for Ultraviolet Detector. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2021. [DOI: 10.1134/s0036024421130069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Chen Y, Li W, Li J, Zhuo S, Jiao S, Wang S, Sun J, Li Q, Zheng T. Stable three-dimensional porous silicon-carbon-gold composite film for enrichment and directly electrochemical detection of bisphenol A. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Feng DJY, Lin HY, Thomas JL, Wang HY, Lin CY, Chen CY, Liu KH, Lee MH. Supercritical Carbon Dioxide Treatment of Porous Silicon Increases Biocompatibility with Cardiomyocytes. Int J Mol Sci 2021; 22:10709. [PMID: 34639050 PMCID: PMC8509595 DOI: 10.3390/ijms221910709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/21/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022] Open
Abstract
Porous silicon is of current interest for cardiac tissue engineering applications. While porous silicon is considered to be a biocompatible material, it is important to assess whether post-etching surface treatments can further improve biocompatibility and perhaps modify cellular behavior in desirable ways. In this work, porous silicon was formed by electrochemically etching with hydrofluoric acid, and was then treated with oxygen plasma or supercritical carbon dioxide (scCO2). These processes yielded porous silicon with a thickness of around 4 μm. The different post-etch treatments gave surfaces that differed greatly in hydrophilicity: oxygen plasma-treated porous silicon had a highly hydrophilic surface, while scCO2 gave a more hydrophobic surface. The viabilities of H9c2 cardiomyocytes grown on etched surfaces with and without these two post-etch treatments was examined; viability was found to be highest on porous silicon treated with scCO2. Most significantly, the expression of some key genes in the angiogenesis pathway was strongly elevated in cells grown on the scCO2-treated porous silicon, compared to cells grown on the untreated or plasma-treated porous silicon. In addition, the expression of several apoptosis genes were suppressed, relative to the untreated or plasma-treated surfaces.
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Affiliation(s)
- David Jui-Yang Feng
- Department of Electrical Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan; (H.-Y.W.); (K.-H.L.)
| | - Hung-Yin Lin
- Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan; (H.-Y.L.); (C.-Y.L.); (C.-Y.C.)
| | - James L. Thomas
- Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131, USA;
| | - Hsing-Yu Wang
- Department of Electrical Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan; (H.-Y.W.); (K.-H.L.)
| | - Chien-Yu Lin
- Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan; (H.-Y.L.); (C.-Y.L.); (C.-Y.C.)
| | - Chen-Yuan Chen
- Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan; (H.-Y.L.); (C.-Y.L.); (C.-Y.C.)
| | - Kai-Hsi Liu
- Department of Electrical Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan; (H.-Y.W.); (K.-H.L.)
- Department of Internal Medicine, Division of Cardiology, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung 81342, Taiwan
| | - Mei-Hwa Lee
- Department of Materials Science and Engineering, I-Shou University, Kaohsiung 84001, Taiwan
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11
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Güler S, Oruç Ç. Comparison of the behavior of negative electrically charged E. coli and E. faecalis bacteria under electric field effect. Colloids Surf B Biointerfaces 2021; 208:112097. [PMID: 34560441 DOI: 10.1016/j.colsurfb.2021.112097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 08/11/2021] [Accepted: 09/02/2021] [Indexed: 10/20/2022]
Abstract
The negative electrical charge of Escherichia coli and Enterococcus faecalis bacteria is an indication that they can be affected by an electric field. To show that the movements of electrically charged bacteria can be controlled, impedance spectroscopy method was used on a porous silicon (PS) structure with 60 % porosity and 7-12 μm pore size. The main purpose of this study is to use the electric charge of these two bacterial species to bring bacteria closer to the sensors with the help of an electric field, and to compare the behavior of these bacterial species in the process. The effect of bacterial contact on porous silicon surface impedance spectra was studied under electrical fields between 0 and 5 kV/cm at a constant bacterial concentration. It was observed that both bacteria can be approximated to the PS surface by the electric field effect. However, the shape and dimensional differences of these two bacterial species caused differences both in their movements in the electric field and in their settlement on the PS surface, and these differences were interpreted. In addition, similar experiments were repeated for dead bacteria and it was determined that the electric field control was not the same as for living bacteria.
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Affiliation(s)
- Sevinç Güler
- Izmir Tinaztepe University, Vocational School of Health Services, Izmir, Turkey.
| | - Çiğdem Oruç
- Yildiz Technical University, Faculty of Science & Art, Department of Physics, 34722 Esenler, Istanbul, Turkey
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12
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Chat K, Tu W, Beena Unni A, Adrjanowicz K. Influence of Tacticity on the Glass-Transition Dynamics of Poly(methyl methacrylate) (PMMA) under Elevated Pressure and Geometrical Nanoconfinement. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01341] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Katarzyna Chat
- Institute of Physics, University of Silesia, 75 Pulku Piechoty 1, 41-500 Chorzow, Poland
- Silesian Center for Education and Interdisciplinary Research (SMCEBI), 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Wenkang Tu
- Institute of Physics, University of Silesia, 75 Pulku Piechoty 1, 41-500 Chorzow, Poland
- Silesian Center for Education and Interdisciplinary Research (SMCEBI), 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Aparna Beena Unni
- Institute of Physics, University of Silesia, 75 Pulku Piechoty 1, 41-500 Chorzow, Poland
- Silesian Center for Education and Interdisciplinary Research (SMCEBI), 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Karolina Adrjanowicz
- Institute of Physics, University of Silesia, 75 Pulku Piechoty 1, 41-500 Chorzow, Poland
- Silesian Center for Education and Interdisciplinary Research (SMCEBI), 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
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13
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Gondim DR, Cecilia JA, Rodrigues TNB, Vilarrasa-García E, Rodríguez-Castellón E, Azevedo DCS, Silva IJ. Protein Adsorption onto Modified Porous Silica by Single and Binary Human Serum Protein Solutions. Int J Mol Sci 2021; 22:9164. [PMID: 34502072 PMCID: PMC8430731 DOI: 10.3390/ijms22179164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/16/2021] [Accepted: 08/21/2021] [Indexed: 12/17/2022] Open
Abstract
Typical porous silica (SBA-15) has been modified with pore expander agent (1,3,5-trimethylbenzene) and fluoride-species to diminish the length of the channels to obtain materials with different textural properties, varying the Si/Zr molar ratio between 20 and 5. These porous materials were characterized by X-ray Diffraction (XRD), N2 adsorption/desorption isotherms at -196 °C and X-ray Photoelectron Spectroscopy (XPS), obtaining adsorbent with a surface area between 420-337 m2 g-1 and an average pore diameter with a maximum between 20-25 nm. These materials were studied in the adsorption of human blood serum proteins (human serum albumin-HSA and immunoglobulin G-IgG). Generally, the incorporation of small proportions was favorable for proteins adsorption. The adsorption data revealed that the maximum adsorption capacity was reached close to the pI. The batch purification experiments in binary human serum solutions showed that Si sample has considerable adsorption for IgG while HSA adsorption is relatively low, so it is possible its separation.
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Affiliation(s)
- Diego R. Gondim
- Centro de Tecnologia, Grupo de Pesquisa em Separações por Adsorção—GPSA—Departamento de Engenharia Química, Campus do Pici, Bl. 709, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil; (D.R.G.); (T.N.B.R.); (E.V.-G.); (D.C.S.A.); (I.J.S.J.)
| | - Juan A. Cecilia
- Departamento de Química Inorgánica, Cristalografía y Mineralogía, Facultad de Ciencias, Campus de Teatinos, Universidad de Málaga, 29071 Malaga, Spain;
| | - Thaina N. B. Rodrigues
- Centro de Tecnologia, Grupo de Pesquisa em Separações por Adsorção—GPSA—Departamento de Engenharia Química, Campus do Pici, Bl. 709, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil; (D.R.G.); (T.N.B.R.); (E.V.-G.); (D.C.S.A.); (I.J.S.J.)
| | - Enrique Vilarrasa-García
- Centro de Tecnologia, Grupo de Pesquisa em Separações por Adsorção—GPSA—Departamento de Engenharia Química, Campus do Pici, Bl. 709, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil; (D.R.G.); (T.N.B.R.); (E.V.-G.); (D.C.S.A.); (I.J.S.J.)
| | - Enrique Rodríguez-Castellón
- Departamento de Química Inorgánica, Cristalografía y Mineralogía, Facultad de Ciencias, Campus de Teatinos, Universidad de Málaga, 29071 Malaga, Spain;
| | - Diana C. S. Azevedo
- Centro de Tecnologia, Grupo de Pesquisa em Separações por Adsorção—GPSA—Departamento de Engenharia Química, Campus do Pici, Bl. 709, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil; (D.R.G.); (T.N.B.R.); (E.V.-G.); (D.C.S.A.); (I.J.S.J.)
| | - Ivanildo J. Silva
- Centro de Tecnologia, Grupo de Pesquisa em Separações por Adsorção—GPSA—Departamento de Engenharia Química, Campus do Pici, Bl. 709, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil; (D.R.G.); (T.N.B.R.); (E.V.-G.); (D.C.S.A.); (I.J.S.J.)
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14
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Dabhade A, Jayaraman S, Paramasivan B. Development of glucose oxidase-chitosan immobilized paper biosensor using screen-printed electrode for amperometric detection of Cr(VI) in water. 3 Biotech 2021; 11:183. [PMID: 33927974 PMCID: PMC7982374 DOI: 10.1007/s13205-021-02736-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 03/10/2021] [Indexed: 12/14/2022] Open
Abstract
Hexavalent chromium is a toxic heavy metal getting discharged into the environment and water bodies through various industrial processes. Conventional analysis methods call for expensive equipment and complicated sample pretreatment that made unsuitable for onsite detection. Paper is used as an enzyme immobilization platform because of its property to wick the liquid by capillary action; lightweight, cheap and can be easily patterned or cut according to the requirements for developing biosensor. In this study, enzyme immobilization of glucose oxidase (GOx) on filter paper were examined using three polysaccharides such as chitosan, sodium alginate and dextran for entrapment efficiency, activity and stability of the immobilized enzyme. Among the three, chitosan proved efficient for enzyme entrapment with about 90% efficiency at 0.3% (w/v) chitosan. The stability was checked after 1 week at 4 °C and room temperature, where the chitosan entrapped enzyme retained nearly 97% stability at 4 °C. Enzyme inhibition study of GOx and Cr(VI) was carried out using chronoamperometry shown uncompetitive type of inhibition. A paper-based electrochemical biosensor strip was developed by immobilizing GOx enzyme on filter paper using chitosan as an entrapping agent and associating it with a screen-printed carbon electrode for amperometric measurements. The linear range of detection was obtained as 0.05-1 ppm with the limit of detection as 0.05 ppm for Cr(VI), which is the standard permissible limit in potable water. The relative standard deviation (5.6%) indicates good reproducibility of the fabricated biosensor.
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Affiliation(s)
- Ajinkya Dabhade
- Agricultural and Environmental Biotechnology Group, Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha 769008 India
| | - Sivaraman Jayaraman
- Medical Electronics and Instrumentation Group, Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha 769008 India
| | - Balasubramanian Paramasivan
- Agricultural and Environmental Biotechnology Group, Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha 769008 India
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15
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Leonardi AA, Lo Faro MJ, Irrera A. Biosensing platforms based on silicon nanostructures: A critical review. Anal Chim Acta 2021; 1160:338393. [PMID: 33894957 DOI: 10.1016/j.aca.2021.338393] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 12/21/2022]
Abstract
Biosensors are revolutionizing the health-care systems worldwide, permitting to survey several diseases, even at their early stage, by using different biomolecules such as proteins, DNA, and other biomarkers. However, these sensing approaches are still scarcely diffused outside the specialized medical and research facilities. Silicon is the undiscussed leader of the whole microelectronics industry, and novel sensors based on this material may completely change the health-care scenario. In this review, we will show how novel sensing platforms based on Si nanostructures may have a disruptive impact on applications with a real commercial transfer. A critical study for the main Si-based biosensors is herein presented with a comparison of their advantages and drawbacks. The most appealing sensing devices are discussed, starting from electronic transducers, with Si nanowires field-effect transistor (FET) and porous Si, to their optical alternatives, such as effective optical thickness porous silicon, photonic crystals, luminescent Si quantum dots, and finally luminescent Si NWs. All these sensors are investigated in terms of working principle, sensitivity, and selectivity with a specific focus on the possibility of their industrial transfer, and which ones may be preferred for a medical device.
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Affiliation(s)
- Antonio Alessio Leonardi
- Dipartimento di Fisica e Astronomia "Ettore Majorana", Università di Catania, Via Santa Sofia 64, 95123, Catania, Italy; CNR-IMM UoS Catania, Istituto per La Microelettronica e Microsistemi, Via Santa Sofia 64, Italy; CNR-IPCF, Istituto per I Processi Chimico-Fisici, Viale F. Stagno D'Alcontres 37, 98158, Messina, Italy
| | - Maria José Lo Faro
- Dipartimento di Fisica e Astronomia "Ettore Majorana", Università di Catania, Via Santa Sofia 64, 95123, Catania, Italy; CNR-IMM UoS Catania, Istituto per La Microelettronica e Microsistemi, Via Santa Sofia 64, Italy
| | - Alessia Irrera
- CNR-IPCF, Istituto per I Processi Chimico-Fisici, Viale F. Stagno D'Alcontres 37, 98158, Messina, Italy.
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16
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Moretta R, De Stefano L, Terracciano M, Rea I. Porous Silicon Optical Devices: Recent Advances in Biosensing Applications. SENSORS (BASEL, SWITZERLAND) 2021; 21:1336. [PMID: 33668616 PMCID: PMC7917735 DOI: 10.3390/s21041336] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/25/2021] [Accepted: 02/05/2021] [Indexed: 02/07/2023]
Abstract
This review summarizes the leading advancements in porous silicon (PSi) optical-biosensors, achieved over the past five years. The cost-effective fabrication process, the high internal surface area, the tunable pore size, and the photonic properties made the PSi an appealing transducing substrate for biosensing purposes, with applications in different research fields. Different optical PSi biosensors are reviewed and classified into four classes, based on the different biorecognition elements immobilized on the surface of the transducing material. The PL signal modulation and the effective refractive index changes of the porous matrix are the main optical transduction mechanisms discussed herein. The approaches that are commonly employed to chemically stabilize and functionalize the PSi surface are described.
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Affiliation(s)
- Rosalba Moretta
- National Research Council, Institute of Applied Sciences and Intelligent Systems, Unit of Naples, 80131 Naples, Italy; (R.M.); (L.D.S.); (I.R.)
| | - Luca De Stefano
- National Research Council, Institute of Applied Sciences and Intelligent Systems, Unit of Naples, 80131 Naples, Italy; (R.M.); (L.D.S.); (I.R.)
| | - Monica Terracciano
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy
| | - Ilaria Rea
- National Research Council, Institute of Applied Sciences and Intelligent Systems, Unit of Naples, 80131 Naples, Italy; (R.M.); (L.D.S.); (I.R.)
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17
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Rashed MA, Harraz FA, Faisal M, El-Toni AM, Alsaiari M, Al-Assiri MS. Gold nanoparticles plated porous silicon nanopowder for nonenzymatic voltammetric detection of hydrogen peroxide. Anal Biochem 2020; 615:114065. [PMID: 33321107 DOI: 10.1016/j.ab.2020.114065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/29/2020] [Accepted: 12/09/2020] [Indexed: 01/12/2023]
Abstract
A voltammetric approach was developed for the selective and sensitive determination of hydrogen peroxide using Au plated porous silicon (PSi) nanopowder modified glassy carbon electrode (GCE). The AuNPs-PSi hybrid structure was synthesized via stain etching procedure followed by an immersion plating method to deposit AuNPs onto PSi via a simple galvanic displacement reaction with no external reducing agent to convert Au3+ to Au0. The as-fabricated AuNPs-PSi catalyst was successfully characterized by XRD, Raman, FTIR, XPS, SEM, TEM and EDS techniques. Well crystalline nature of the as-fabricated hybrid structure with AuNPs size ranging from 5 to 40 nm was observed. The specific surface area and total pore volume for both PSi and AuNPs plated PSi were evaluated using N2 adsorption isotherm technique. Cyclic voltammetry and electrochemical impedance spectroscopy techniques were applied to investigate the catalytic efficiency of AuNPs-PSi modified electrode compared to pure PSi/GCE and unmodified GCE. The sensing performance of the active material modified GCE was thoroughly examined with linear sweep voltammetry (LSV) and square wave voltammetry (SWV) techniques. The AuNPs-PSi/GCE exhibited a remarkable linear dynamic range between 2.0 and 13.81 mM (for LSV) and 0.5-6.91 mM for (SWV) with high sensitivity and low detection limit of 10.65 μAmM-1cm-2 and 14.84 μM for LSV, whereas 10.41 μAmM-1cm-2 and 15.16 μM using SWV techniques, respectively. The fabricated sensor electrode showed excellent anti-interfering ability in the presence of several common biomolecules as well as demonstrated good operational stability and reproducibility with low relative standard deviation. Moreover, the modified electrode showed acceptable recovery of H2O2 in a real sample analysis. Thus, the developed AuNPs-PSi hybrid nanomaterial represents an excellent electrocatalyst for the efficient detection and quantification of H2O2 by the electrochemical approach.
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Affiliation(s)
- Md A Rashed
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran, 11001, Saudi Arabia; Department of Chemistry, Faculty of Science, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
| | - Farid A Harraz
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran, 11001, Saudi Arabia; Nanomaterials and Nanotechnology Department, Central Metallurgical Research and Development Institute (CMRDI), P.O. 87 Helwan, Cairo, 11421, Egypt.
| | - M Faisal
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran, 11001, Saudi Arabia; Department of Chemistry, Faculty of Science and Arts, Najran University, Saudi Arabia
| | - Ahmed Mohamed El-Toni
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, 11451, Saudi Arabia; Nanomaterials and Nanotechnology Department, Central Metallurgical Research and Development Institute (CMRDI), P.O. 87 Helwan, Cairo, 11421, Egypt
| | - Mabkhoot Alsaiari
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran, 11001, Saudi Arabia; Department of Chemistry, Faculty of Science and Arts at Sharurah, Najran University, Saudi Arabia
| | - M S Al-Assiri
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran, 11001, Saudi Arabia; Department of Physics, Faculty of Science and Arts, Najran University, Saudi Arabia
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18
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Yaghoubi M, Rahimi F, Negahdari B, Rezayan AH, Shafiekhani A. A lectin-coupled porous silicon-based biosensor: label-free optical detection of bacteria in a real-time mode. Sci Rep 2020; 10:16017. [PMID: 32994483 PMCID: PMC7525577 DOI: 10.1038/s41598-020-72457-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 08/27/2020] [Indexed: 11/29/2022] Open
Abstract
Accuracy and speed of detection, along with technical and instrumental simplicity, are indispensable for the bacterial detection methods. Porous silicon (PSi) has unique optical and chemical properties which makes it a good candidate for biosensing applications. On the other hand, lectins have specific carbohydrate-binding properties and are inexpensive compared to popular antibodies. We propose a lectin-conjugated PSi-based biosensor for label-free and real-time detection of Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) by reflectometric interference Fourier transform spectroscopy (RIFTS). We modified meso-PSiO2 (10–40 nm pore diameter) with three lectins of ConA (Concanavalin A), WGA (Wheat Germ Agglutinin), and UEA (Ulex europaeus agglutinin) with various carbohydrate specificities, as bioreceptor. The results showed that ConA and WGA have the highest binding affinity for E. coli and S. aureus respectively and hence can effectively detect them. This was confirmed by 6.8% and 7.8% decrease in peak amplitude of fast Fourier transform (FFT) spectra (at 105 cells mL−1 concentration). A limit of detection (LOD) of about 103 cells mL−1 and a linear response range of 103 to 105 cells mL−1 were observed for both ConA-E. coli and WGA-S. aureus interaction platforms that are comparable to the other reports in the literature. Dissimilar response patterns among lectins can be attributed to the different bacterial cell wall structures. Further assessments were carried out by applying the biosensor for the detection of Klebsiella aerogenes and Bacillus subtilis bacteria. The overall obtained results reinforced the conjecture that the WGA and ConA have a stronger interaction with Gram-positive and Gram-negative bacteria, respectively. Therefore, it seems that specific lectins can be suggested for bacterial Gram-typing or even serotyping. These observations were confirmed by the principal component analysis (PCA) model.
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Affiliation(s)
- Mona Yaghoubi
- Division of Nanobiotechnoloy, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Fereshteh Rahimi
- Division of Nanobiotechnoloy, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran.
| | - Babak Negahdari
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Hossein Rezayan
- Division of Nanobiotechnoloy, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
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19
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Luis E, Pan HM, Sing SL, Bajpai R, Song J, Yeong WY. 3D Direct Printing of Silicone Meniscus Implant Using a Novel Heat-Cured Extrusion-Based Printer. Polymers (Basel) 2020; 12:E1031. [PMID: 32370046 PMCID: PMC7285157 DOI: 10.3390/polym12051031] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/24/2020] [Accepted: 04/25/2020] [Indexed: 12/27/2022] Open
Abstract
The first successful direct 3D printing, or additive manufacturing (AM), of heat-cured silicone meniscal implants, using biocompatible and bio-implantable silicone resins is reported. Silicone implants have conventionally been manufactured by indirect silicone casting and molding methods which are expensive and time-consuming. A novel custom-made heat-curing extrusion-based silicone 3D printer which is capable of directly 3D printing medical silicone implants is introduced. The rheological study of silicone resins and the optimization of critical process parameters are described in detail. The surface and cross-sectional morphologies of the printed silicone meniscus implant were also included. A time-lapsed simulation study of the heated silicone resin within the nozzle using computational fluid dynamics (CFD) was done and the results obtained closely resembled real time 3D printing. Solidworks one-convection model simulation, when compared to the on-off model, more closely correlated with the actual probed temperature. Finally, comparative mechanical study between 3D printed and heat-molded meniscus is conducted. The novel 3D printing process opens up the opportunities for rapid 3D printing of various customizable medical silicone implants and devices for patients and fills the current gap in the additive manufacturing industry.
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Affiliation(s)
- Eric Luis
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (E.L.); (S.L.S.)
| | - Houwen Matthew Pan
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Avenue, Singapore 639798, Singapore; (H.M.P.); (J.S.)
| | - Swee Leong Sing
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (E.L.); (S.L.S.)
| | - Ram Bajpai
- Center for Population Health Sciences, Lee Kong Chian School of Medicine, Nanyang Technological University, 11 Mandalay Road, Singapore 308232, Singapore;
- School of Primary, Community and Social Care, Keele University, Keele ST5 5BG, UK
| | - Juha Song
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Avenue, Singapore 639798, Singapore; (H.M.P.); (J.S.)
| | - Wai Yee Yeong
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (E.L.); (S.L.S.)
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20
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Pei Y, Molley TG, Kilian KA. Enzyme Responsive Inverse Opal Hydrogels. Macromol Rapid Commun 2020; 41:e1900555. [PMID: 32003532 DOI: 10.1002/marc.201900555] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/19/2019] [Indexed: 12/13/2022]
Abstract
Structured color in nature is controlled by nano- and micro-structured interfaces giving rise to a photonic bandgap. This study presents a biomimetic optical material based on polymeric inverse opals that respond to enzyme activity. Polymer colloids provide a template in which acryloyl-functionalized poly(ethylene glycol) is integrated; dissolution of the colloids leads to a hydrogel inverse opal that can be lithographically patterned using transfer printing. Incorporating enzyme substrates within the voids provides a material that responds to the presence of proteases through a shift in the optical properties.
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Affiliation(s)
- Yi Pei
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Thomas G Molley
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Kristopher A Kilian
- School of Materials Science and Engineering, School of Chemistry, Australian Centre for Nanomedicine, University of New South Wales, Sydney, 2052, Australia
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21
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Baraket A, Alcaraz JP, Gondran C, Costa G, Nonglaton G, Gaillard F, Cinquin P, Cosnier ML, Martin DK. Long duration stabilization of porous silicon membranes in physiological media: Application for implantable reactors. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110359. [PMID: 31923938 DOI: 10.1016/j.msec.2019.110359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 10/01/2019] [Accepted: 10/21/2019] [Indexed: 10/25/2022]
Abstract
The natural biodegradabilty of porous silicon (pSi) in physiological media limits its wider usage for implantable systems. We report the stabilization of porous silicon (pSi) membranes by chemical surface oxidation using RCA1 and RCA2 protocols, which was followed by a PEGylation process using a silane-PEG. These surface modifications stabilized the pSi to allow a long period of immersion in PBS, while leaving the pSi surface sufficiently hydrophilic for good filtration and diffusion of several biomolecules of different sizes without any blockage of the pSi structure. The pore sizes of the pSi membranes were between 5 and 20 nm, with the membrane thickness around 70 μm. The diffusion coefficient for fluorescein through the membrane was 2 × 10-10 cm2 s-1, and for glucose was 2.2 × 10-9 cm2 s-1. The pSi membrane maintained that level of glucose diffusion for one month of immersion in PBS. After 2 months immersion in PBS the pSi membrane continued to operate, but with a reduced glucose diffusion coefficient. The chemical stabilization of pSi membranes provided almost 1 week stable and functional biomolecule transport in blood plasma and opens the possibility for its short-term implantation as a diffusion membrane in biocompatible systems.
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Affiliation(s)
- Abdoullatif Baraket
- ISA, Institut des Sciences Analytiques, Département LSA, 5, rue de la Doua, 69100, Villeurbanne, France
| | - Jean-Pierre Alcaraz
- Université Grenoble Alpes / CNRS / TIMC-IMAG UMR 5525 (SyNaBi), Grenoble, France, Faculté de Médecine, 38706, La Tronche cedex, France
| | - Chantal Gondran
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F 38000, Grenoble, France
| | - Guillaume Costa
- CEA LETI Grenoble - DRT/DTBS, 17 avenue des martyrs, 38054, Grenoble cedex 9, France
| | - Guillaume Nonglaton
- CEA LETI Grenoble - DRT/DTBS, 17 avenue des martyrs, 38054, Grenoble cedex 9, France
| | - Frédéric Gaillard
- CEA LETI Grenoble - DRT/DTBS, 17 avenue des martyrs, 38054, Grenoble cedex 9, France
| | - Philippe Cinquin
- Université Grenoble Alpes / CNRS / TIMC-IMAG UMR 5525 (SyNaBi), Grenoble, France, Faculté de Médecine, 38706, La Tronche cedex, France
| | - Marie-Line Cosnier
- CEA LETI Grenoble - DRT/DTBS, 17 avenue des martyrs, 38054, Grenoble cedex 9, France
| | - Donald K Martin
- Université Grenoble Alpes / CNRS / TIMC-IMAG UMR 5525 (SyNaBi), Grenoble, France, Faculté de Médecine, 38706, La Tronche cedex, France.
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22
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Beigi MH, Safaie N, Nasr-Esfahani MH, Kiani A. 3D Titania Nanofiber-Like Webs Induced by Plasma Ionization: A New Direction for Bioreactivity and Osteoinductivity Enhancement of Biomaterials. Sci Rep 2019; 9:17999. [PMID: 31784696 PMCID: PMC6884481 DOI: 10.1038/s41598-019-54533-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 11/14/2019] [Indexed: 12/17/2022] Open
Abstract
In this study, we describe the formation method of web-like three-dimensional (3-D) titania nanofibrous structures coated on transparent substrate via a high intensity laser induced reverse transfer (HILIRT) process. First, we demonstrate the mechanism of ablation and deposition of Ti on the glass substrates using multiple picosecond laser pulses at ambient air in an explicit analytical form and compare the theoretical results with the experimental results of generated nanofibers. We then examine the performance of the developed glass samples coated by titania nanofibrous structures at varied laser pulse durations by electron microscopy and characterization methods. We follow this by exploring the response of human bone-derived mesenchymal stem cells (BMSCs) with the specimens, using a wide range of in-vitro analyses including MTS assay (colorimetric method for assessing cell metabolic activity), immunocytochemistry, mineralization, ion release examination, gene expression analysis, and protein adsorption and absorption analysis. Our results from the quantitative and qualitative analyses show a significant biocompatibility improvement in the laser treated samples compared to untreated substrates. By decreasing the pulse duration, more titania nanofibers with denser structures can be generated during the HILIRT technique. The findings also suggest that the density of nanostructures and concentration of coated nanofibers play critical roles in the bioreactivity properties of the treated samples, which results in early osteogenic differentiation of BMSCs.
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Affiliation(s)
- Mohammad-Hossein Beigi
- Silicon Hall: Micro/Nano Manufacturing Facility, Faculty of Engineering and Applied Science, Ontario Tech University, Ontario, Canada
- Department of Cellular Biotechnology Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Naghmeh Safaie
- Silicon Hall: Micro/Nano Manufacturing Facility, Faculty of Engineering and Applied Science, Ontario Tech University, Ontario, Canada
| | - Mohammad-Hossein Nasr-Esfahani
- Department of Cellular Biotechnology Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Amirkianoosh Kiani
- Silicon Hall: Micro/Nano Manufacturing Facility, Faculty of Engineering and Applied Science, Ontario Tech University, Ontario, Canada.
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23
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High Intensity Laser Induced Reverse Transfer: Solution for Enhancement of Biocompatibility of Transparent Biomaterials. COATINGS 2019. [DOI: 10.3390/coatings9090586] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Bioactive glass is used extensively in biomedical applications due to its quality and effectiveness in tissue regeneration. Bioactive glasses are able to interact with biological systems and can be used in humans to improve tissue regeneration without any side effects. Bioactive glass is a category of glasses that maintain good contact with body organs and remain biocompatible for a long time after implementation. They have the potential to form a hydroxyapatite surface as a biocompatible layer after immersion in body fluid. In this research, glass biocompatibility was modified using a deposition method called the high intensity laser induced reverse transfer (HILIRT) method and they were utilized as enhanced-biocompatibility bioactive glass (EBBG) with a correspondent nanofibrous titanium (NFTi) coating. HILIRT is a simple ultrafast laser method for improving implants for biomedical applications and provides a good thin film of NFTi on the glass substrate that is compatible with human tissue. The proposed method is a non-chemical method in which NFTi samples with different porosities and biocompatibilities are synthesized at various laser parameters such as power and frequency. Physical properties and cell compatibility and adhesion of these NFTi before and after immersion in simulated body fluid (SBF) were compared. The results indicate that increasing laser intensity and frequency leads to more NFTi fabrication on the glass with no toxicity and better cell interaction and adhesion.
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24
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Allahnouri F, Farhadi K, Eskandari H, Molaei R. Screen printed carbon electrode modified with a copper@porous silicon nanocomposite for voltammetric sensing of clonazepam. Mikrochim Acta 2019; 186:676. [PMID: 31494758 DOI: 10.1007/s00604-019-3784-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 08/27/2019] [Indexed: 10/26/2022]
Abstract
The work describes an electrochemical sensor for the determination of the tranquilizer clonazepam (CZP) in serum and pharmaceutical preparations. A screen printed carbon electrode (SPCE) was modified with copper nanoparticles anchored on porous silicon (PSi). The surface of the SPCEs modified with the Cu/PSi nanostructure was characterized by X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoemission spectroscopy, energy dispersive X-ray spectroscopy and field-emission scanning electron microscopy. Cyclic and differential pulse voltammetric methods were used for the electrochemical studies and electrochemical detection, respectively. Several parameters controlling the performance of the modified SPCE were optimized. The peak current values (at a potential of -0.52 V) were used to construct calibration plots. Under the optimum conditions, the calibration plot is linear in the 0.05-7.6 μM CZP concentration range, and the detection limit is 15 nM. The sensor is reproducible, repeatable, highly selective and sensitive. It was successfully applied to the determination of CPZ in spiked serum and in drugs. Graphical abstract Scheme of electrochemical reduction of clonazepam on the designed copper@porous silicon modified screen printed carbon electrode (CuNPs/PSi/SPCE). This electrode was employed for the determination of clonazepam in tablets and human blood plasma using differential pulse voltammetry.
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Affiliation(s)
- Farzad Allahnouri
- Department of Analytical Chemistry, Faculty of Chemistry, Urmia University, P.O. Box 165-5715944931, Urmia, Iran
| | - Khalil Farhadi
- Department of Analytical Chemistry, Faculty of Chemistry, Urmia University, P.O. Box 165-5715944931, Urmia, Iran.
| | - Habibollah Eskandari
- Department of Chemistry, University of Mohaghegh Ardabili, P.O. Box 179, Ardabil, Iran
| | - Rahim Molaei
- Department of Analytical Chemistry, Faculty of Chemistry, Urmia University, P.O. Box 165-5715944931, Urmia, Iran
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Ren R, Jia Z, Yang J, Kasabov N. Applying Speckle Noise Suppression to Refractive Indices Change Detection in Porous Silicon Microarrays. SENSORS (BASEL, SWITZERLAND) 2019; 19:E2975. [PMID: 31284494 PMCID: PMC6651720 DOI: 10.3390/s19132975] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 06/19/2019] [Accepted: 06/29/2019] [Indexed: 01/31/2023]
Abstract
The gray value method can be used to detect gray value changes of each unit almost parallel to the surface image of PSi (porous silicon) microarrays and indirectly measure the refractive index changes of each unit. However, the speckles of different noise intensities produced by lasers on a porous silicon surface have different effects on the gray value of the measured image. This results in inaccurate results of refractive index changes obtained from the change in gray value. Therefore, it is very important to reduce the influence of speckle noise on measurement results. In this paper, a new algorithm based on the concepts of probability-based nonlocal-means filtering (PNLM), gradient operator, and median filtering is proposed for gray value restoration of porous silicon microarray images. A good linear relationship between gray value change and refractive index change is obtained, which can reduce the influence of speckle noise on the gray value of the PSi microarray image, improving detection accuracy. This means the method based on gray value change detection can be applied to the biological detection of PSi microarray arrays.
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Affiliation(s)
- Ruyong Ren
- College of Information Science and Engineering, Xinjiang University, Urumuqi 830046, China
| | - Zhenhong Jia
- College of Information Science and Engineering, Xinjiang University, Urumuqi 830046, China.
| | - Jie Yang
- Institute of Image Processing and Pattern Recognition, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Nikola Kasabov
- Knowledge Engineering and Discovery Research Institute, Auckland University of Technology, Auckland 1020, New Zealand
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Terracciano M, Rea I, Borbone N, Moretta R, Oliviero G, Piccialli G, De Stefano L. Porous Silicon-Based Aptasensors: The Next Generation of Label-Free Devices for Health Monitoring. Molecules 2019; 24:E2216. [PMID: 31200538 PMCID: PMC6630495 DOI: 10.3390/molecules24122216] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/04/2019] [Accepted: 06/12/2019] [Indexed: 12/12/2022] Open
Abstract
Aptamers are artificial nucleic acid ligands identified and obtained from combinatorial libraries of synthetic nucleic acids through the in vitro process SELEX (systematic evolution of ligands by exponential enrichment). Aptamers are able to bind an ample range of non-nucleic acid targets with great specificity and affinity. Devices based on aptamers as bio-recognition elements open up a new generation of biosensors called aptasensors. This review focuses on some recent achievements in the design of advanced label-free optical aptasensors using porous silicon (PSi) as a transducer surface for the detection of pathogenic microorganisms and diagnostic molecules with high sensitivity, reliability and low limit of detection (LoD).
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Affiliation(s)
- Monica Terracciano
- Institute for Microelectronics and Microsystems, Via P. Castellino 111, 80131 Naples, Italy.
| | - Ilaria Rea
- Institute for Microelectronics and Microsystems, Via P. Castellino 111, 80131 Naples, Italy.
| | - Nicola Borbone
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Naples, Italy.
| | - Rosalba Moretta
- Institute for Microelectronics and Microsystems, Via P. Castellino 111, 80131 Naples, Italy.
- Department of Chemical Sciences, University of Naples Federico II, Via Cynthia, 80126 Naples, Italy.
| | - Giorgia Oliviero
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy.
| | - Gennaro Piccialli
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Naples, Italy.
| | - Luca De Stefano
- Institute for Microelectronics and Microsystems, Via P. Castellino 111, 80131 Naples, Italy.
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Makiyan F, Rahimi F, Hajati M, Shafiekhani A, Rezayan AH, Ansari-Pour N. Label-free discrimination of single nucleotide changes in DNA by reflectometric interference Fourier transform spectroscopy. Colloids Surf B Biointerfaces 2019; 181:714-720. [PMID: 31228854 DOI: 10.1016/j.colsurfb.2019.05.066] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 05/12/2019] [Accepted: 05/26/2019] [Indexed: 10/26/2022]
Abstract
Phenotypic variation - such as disease susceptibility and differential drug response - has a strong genetic component. Substantial effort has therefore been made to identify causal genomic variants explaining such variation among humans. Point mutations (PMs), which are single nucleotide changes in the genome, have been identified to be the most abundant form of causal genomic variants, making them useful, reliable diagnostic markers. Methods developed to genotype PMs have moved towards solid-phase assays, which not only show greater sensitivity and specificity, but also enable scalability and faster processing time. Most current assays are, however, based on fluorescent probes, which makes them relatively expensive. To develop a more cost-effective label-free genotyping method, we used a porous silicon (PSi) base as an efficient support for DNA biosensing and coupled it with reflectometric interference Fourier transform spectroscopy (RIFTS). To assess the versatility of this approach, we tested both a single nucleotide substitution in VKORC1 (-1639G > A; rs9923231) and a single nucleotide insertion in BRCA1 (5382insC; rs80357906). We demonstrate that the PSi-RIFTS method can efficiently detect both PM types with high sensitivity where hybridization of complementary DNA can be quantifiably differentiated from mismatch and non-complementary hybridization events. In addition, we show that the PSi base with immobilized DNA not only can be re-used to type further samples, but it also remains stable for 14 days, suggesting its potential for high-throughput applications.
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Affiliation(s)
- Farideh Makiyan
- Division of Nanobiotechnology, Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Fereshteh Rahimi
- Division of Nanobiotechnology, Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran.
| | - Marziyeh Hajati
- Division of Nanobiotechnology, Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Azizollah Shafiekhani
- Physics Department, Alzahra University, Tehran, Iran; School of Physics, Institute for Research in Fundamental Sciences, Tehran, Iran
| | - Ali Hossein Rezayan
- Division of Nanobiotechnology, Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Naser Ansari-Pour
- Division of Biotechnology, Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran; Big Data Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
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Inhibition assays of free and immobilized urease for detecting hexavalent chromium in water samples. 3 Biotech 2019; 9:124. [PMID: 30863703 DOI: 10.1007/s13205-019-1661-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 02/27/2019] [Indexed: 12/13/2022] Open
Abstract
The present work describes the inhibition studies of free as well as immobilized urease by different heavy metals. Porous silicon (PS) films prepared by electrochemical etching were used for urease immobilization by physical adsorption. The enzyme was subjected to varying concentrations of Cr6+, Cr3+, Cu2+, Fe2+, Cd2+ and Ni2+ and analyzed for the variation in the activity. To study the effect of other heavy metals on the interaction of urease and Cr6+, free as well as immobilized urease was subjected to the combination of each metal ion with Cr6+. Results proved the sensitivity of free as well as immobilized urease towards heavy metals by observed reduction in activity. Immobilized urease showed less degree of inhibition compared to free urease when tested for inhibition by individual metal ions and in combination with Cr6+. IC50 values were found higher for inhibition by the combination of metal ions with Cr6+. Interaction of heavy metal ions with functional groups in active site of urease and limitations of mass transfer are the two factors responsible for the variation in activity of urease. Relation between the variation of urease activity and amount of heavy metals can be applied in biosensor development for determining the concentration of Cr6+ present in the water samples.
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Arshavsky-Graham S, Massad-Ivanir N, Segal E, Weiss S. Porous Silicon-Based Photonic Biosensors: Current Status and Emerging Applications. Anal Chem 2018; 91:441-467. [DOI: 10.1021/acs.analchem.8b05028] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sofia Arshavsky-Graham
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa 3200003, Israel
- Institute of Technical Chemistry, Leibniz Universität Hannover, Callinstrasse 5, 30167 Hanover, Germany
| | - Naama Massad-Ivanir
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa 3200003, Israel
| | - Ester Segal
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa 3200003, Israel
- The Russell Berrie Nanotechnology Institute, Technion − Israel Institute of Technology, Haifa 3200003, Israel
| | - Sharon Weiss
- Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, Tennessee 37235, United States
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Abstract
Hormones produced by glands in the endocrine system and neurotransmitters produced by the nervous system control many bodily functions. The concentrations of these molecules in the body are an indication of its state, hence the use of the term biomarker. Excess concentrations of biomarkers, such as cortisol, serotonin, epinephrine, and dopamine, are released by the body in response to a variety of conditions, for example, emotional state (euphoria, stress) and disease. The development of simple, low-cost modalities for point-of-use (PoU) measurements of biomarkers levels in various bodily fluids (blood, urine, sweat, saliva) as opposed to conventional hospital or lab settings is receiving increasing attention. This paper starts with a review of the basic properties of 12 primary stress-induced biomarkers: origin in the body (i.e., if they are produced as hormones, neurotransmitters, or both), chemical composition, molecular weight (small/medium size molecules and polymers, ranging from ∼100 Da to ∼100 kDa), and hydro- or lipophilic nature. Next is presented a detailed review of the published literature regarding the concentration of these biomarkers found in several bodily fluids that can serve as the medium for determination of the condition of the subject: blood, urine, saliva, sweat, and, to a lesser degree, interstitial tissue fluid. The concentration of various biomarkers in most fluids covers a range of 5-6 orders of magnitude, from hundreds of nanograms per milliliter (∼1 μM) down to a few picograms per milliliter (sub-1 pM). Mechanisms and materials for point-of-use biomarker sensors are summarized, and key properties are reviewed. Next, selected methods for detecting these biomarkers are reviewed, including antibody- and aptamer-based colorimetric assays and electrochemical and optical detection. Illustrative examples from the literature are discussed for each key sensor approach. Finally, the review outlines key challenges of the field and provides a look ahead to future prospects.
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Affiliation(s)
- Andrew J. Steckl
- Nanoelectronics Laboratory, University of Cincinnati, Cincinnati, Ohio 45221-0030, United States
| | - Prajokta Ray
- Nanoelectronics Laboratory, University of Cincinnati, Cincinnati, Ohio 45221-0030, United States
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The Potential for Convergence between Synthetic Biology and Bioelectronics. Cell Syst 2018; 7:231-244. [DOI: 10.1016/j.cels.2018.08.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 05/30/2018] [Accepted: 08/13/2018] [Indexed: 01/20/2023]
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Rahimi F, Fardindoost S, Ansari-Pour N, Sepehri F, Makiyan F, Shafiekhani A, Rezayan AH. Optimization of Porous Silicon Conditions for DNA-based Biosensing via Reflectometric Interference Spectroscopy. CELL JOURNAL 2018; 20:584-591. [PMID: 30124007 PMCID: PMC6099142 DOI: 10.22074/cellj.2019.5598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 02/12/2018] [Indexed: 11/15/2022]
Abstract
Objective Substantial effort has been put into designing DNA-based biosensors, which are commonly used to detect presence
of known sequences including the quantification of gene expression. Porous silicon (PSi), as a nanostructured base, has been
commonly used in the fabrication of optimally transducing biosensors. Given that the function of any PSi-based biosensor is
highly dependent on its nanomorphology, we systematically optimized a PSi biosensor based on reflectometric interference
spectroscopy (RIS) detecting the high penetrance breast cancer susceptibility gene, BRCA1.
Materials and Methods In this experimental study, PSi pore sizes on the PSi surface were controlled for optimum filling
with DNA oligonucleotides and surface roughness was optimized for obtaining higher resolution RIS patterns. In addition, the
influence of two different organic electrolyte mixtures on the formation and morphology of the pores, based on various current
densities and etching times on doped p-type silicon, were examined. Moreover, we introduce two cleaning processes which
can efficiently remove the undesirable outer parasitic layer created during PSi formation. Results of all the optimization steps
were observed by field emission scanning electron microscopy (FE-SEM).
Results DNA sensing reached its optimum when PSi was formed in a two-step process in the ethanol electrolyte
accompanied by removal of the parasitic layer in NaOH solution. These optimal conditions, which result in pore sizes
of approximately 20 nm as well as a low surface roughness, provide a considerable RIS shift upon complementary
sequence hybridization, suggesting efficient detectability.
Conclusion We demonstrate that the optimal conditions identified here makes PSi an attractive solid-phase DNA-based
biosensing method and may be used to not only detect full complementary DNA sequences, but it may also be used for
detecting point mutations such as single nucleotide substitutions and indels.
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Affiliation(s)
- Fereshteh Rahimi
- Division of Nanobiotechnoloy, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran. Electronic Affress:
| | | | - Naser Ansari-Pour
- Biotechnology Group, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran. Electronic Address:
| | - Fatemeh Sepehri
- Division of Nanobiotechnoloy, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Farideh Makiyan
- Division of Nanobiotechnoloy, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Azizollah Shafiekhani
- Department of Physics, Alzahra University, Tehran, Iran.,School of Physics, Institute for Research in Fundamental Sciences, Tehran, Iran
| | - Ali Hossein Rezayan
- Division of Nanobiotechnoloy, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
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Lai Y, Thompson JR, Dasog M. Metallothermic Reduction of Silica Nanoparticles to Porous Silicon for Drug Delivery Using New and Existing Reductants. Chemistry 2018; 24:7913-7920. [PMID: 29569356 DOI: 10.1002/chem.201705818] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Indexed: 11/07/2022]
Abstract
In this study, the influence of metals (Mg, Al, and Ca) and reaction conditions (time, temperature, and metal grain size) on the metallothermic reduction of Stöber silica nanoparticles (NPs) to form porous Si has been explored. Mg metal was found to be an effective reducing agent even at temperatures below its melting point; however, it also induced a high degree of structural damage and morphology change. Al was effective in reducing silica NPs only at its melting point or above, but the resulting particles retained a higher degree of structural morphology as compared to those reduced using Mg. Ca was found to be ineffective in reducing silica. A new reductant, a mixture of 70 % Mg and 30 % Al, was found to induce the least amount of morphology change, and the reactions proceeded at a temperature (450 °C) lower than those required with Mg or Al individually. Furthermore, porous Si NPs obtained using Mg, Al, and the mixture of 70 % Mg and 30 % Al as reductants have been investigated as carriers for ibuprofen loading and release. Porous Si obtained from reductions with Mg and the Mg/Al mixture showed higher drug loading and a sustained drug release profile, whereas porous Si obtained from Al reduction had lower loading and showed a conventional release profile over 24 h.
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Affiliation(s)
- Yiqi Lai
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, Canada
| | - Jonathan R Thompson
- Division of Materials Science, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Mita Dasog
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, Canada
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Ramirez JC, Schianti JN, Souto DEP, Kubota LT, Hernandez-Figueroa HE, Gabrielli LH. Dielectric barrier discharge plasma treatment of modified SU-8 for biosensing applications. BIOMEDICAL OPTICS EXPRESS 2018; 9:2168-2175. [PMID: 29760978 PMCID: PMC5946779 DOI: 10.1364/boe.9.002168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 01/29/2018] [Accepted: 02/27/2018] [Indexed: 05/31/2023]
Abstract
In this work we demonstrate the use of a dielectric barrier discharge plasma for the treatment of SU-8. The resulting hydrophilic surface displays a 5° contact angle and (0.40 ± 0.012) nm roughness. Using this technique we also present a proof of concept of IgG and prostate specific antigen biodetection on a thin layer of SU-8 over gold via surface plasmon resonance detection.
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Affiliation(s)
- Jhonattan C. Ramirez
- School of Electrical and Computer Engineering, University of Campinas, 13083-852 Campinas, SP,
Brazil
| | - Juliana N. Schianti
- School of Electrical and Computer Engineering, University of Campinas, 13083-852 Campinas, SP,
Brazil
| | - Denio E. P. Souto
- National Institute of Science and Technology of Bioanalytics, University of Campinas, 13083-970 Campinas, SP,
Brazil
| | - Lauro T. Kubota
- National Institute of Science and Technology of Bioanalytics, University of Campinas, 13083-970 Campinas, SP,
Brazil
| | | | - Lucas H. Gabrielli
- School of Electrical and Computer Engineering, University of Campinas, 13083-852 Campinas, SP,
Brazil
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35
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Porous silicon based photoluminescence immunosensor for rapid and highly-sensitive detection of Ochratoxin A. Biosens Bioelectron 2018; 102:661-667. [DOI: 10.1016/j.bios.2017.11.048] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 11/13/2017] [Accepted: 11/15/2017] [Indexed: 01/03/2023]
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Alwan AM, Naseef IA, Dheyab AB. Well Controlling of Plasmonic Features of Gold Nanoparticles on Macro Porous Silicon Substrate by HF Acid Concentration. PLASMONICS (NORWELL, MASS.) 2018; 13:2037-2045. [PMID: 30595676 PMCID: PMC6280839 DOI: 10.1007/s11468-018-0720-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 02/27/2018] [Indexed: 06/09/2023]
Abstract
In this work, we fabricated an efficient macroporous silicon/gold nanoparticles (macro psi/AuNPs) hybrid structure and how well controlling of plasmonic features on macro psi/AuNPs employs them for highly sensitive detection of the very low concentration of cyanine (Cy) dyes molecules. Macro-PSi was synthesized on n-type Si wafer with 3-10 Ω. cm resistivity and 100 orientation using Photo Electro Chemical Etching (PECE) process with630 nm illumination wavelength and 30 mW/cm2 illumination intensity. The macroPSi /AuNPs hybrid structure substrates were prepared by simple and quick dipping process of macroPSi in tetrachloroauric gold solution HAuCl4 with different concentrations of (10-2 M, 10-2 M diluted in 2.9 M of HF, 5 × 10-3 M, and 5 × 10-3 M diluted in 2.9 M of HF). Efficient surface-enhanced Raman scattering (SERS) signals was obtained from macroPSi/AuNPs substrates for Cy dye concentration of about 10-6 and 10-10 M. The detection method is dependent on a nanoparticles sizes process through controlling the concentration in a HAuCl4 solution. Higher SERS signal was found for sample with lower salt concentration of 5 × 10-3 M diluted in HF. The enhancement factors (EF) of Raman's signal increased four orders of magnitude by diluting the salt concentration. The values of EF in the range of 0.8 × 103-0.72 × 107 were obtained by controlling the salt concentration from 10-2 to 5 × 10-3 diluted in HF acid.
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Affiliation(s)
- Alwan M. Alwan
- School of Applied Science, University of Technology, Baghdad, Iraq
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37
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Al-Hardan NH, Abdul Hamid MA, Shamsudin R, Al-Khalqi EM, Kar Keng L, Ahmed NM. Electrochemical Hydrogen Peroxide Sensor Based on Macroporous Silicon. SENSORS 2018; 18:s18030716. [PMID: 29495561 PMCID: PMC5876759 DOI: 10.3390/s18030716] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 02/07/2018] [Accepted: 02/14/2018] [Indexed: 02/05/2023]
Abstract
Macroporous silicon was prepared through an anodization process; the prepared samples showed an average pore size ranging from 4 to 6 microns, and the depth of the pores in the silicon wafer was approximately 80 microns. The prepared samples were tested for hydrogen peroxide (H₂O₂) concentrations, which can be used for industrial and environmental sensing applications. The selected H₂O₂ concentration covered a wide range from 10 to 5000 μM. The tested samples showed a linear response through the tested H₂O₂ concentrations with a sensitivity of 0.55 μA μM-1∙cm-2 and lower detection limits of 4.35 μM at an operating voltage of 5 V. Furthermore, the electrode exhibited a rapid response with a response time of ca. two seconds. Furthermore, the prepared sensor showed a reasonable stability over a one-month time period.
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Affiliation(s)
- Naif H Al-Hardan
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Muhammad Azmi Abdul Hamid
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Roslinda Shamsudin
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Ensaf Mohammed Al-Khalqi
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Lim Kar Keng
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Naser M Ahmed
- School of Physics, Universiti Sains Malaysia (USM), Penang 11800, Malaysia.
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Xu C, Bai Y, Yang S, Yang H, Stout DA, Tran PA, Yang L. A versatile three-dimensional foam fabrication strategy for soft and hard tissue engineering. Biomed Mater 2018; 13:025018. [DOI: 10.1088/1748-605x/aaa1f6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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40
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Caroselli R, Ponce-Alcántara S, Quilez FP, Sánchez DM, Morán LT, Barres AG, Bellieres L, Bandarenka H, Girel K, Bondarenko V, García-Rupérez J. Experimental study of the sensitivity of a porous silicon ring resonator sensor using continuous in-flow measurements. OPTICS EXPRESS 2017; 25:31651-31659. [PMID: 29245836 DOI: 10.1364/oe.25.031651] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 11/04/2017] [Indexed: 06/07/2023]
Abstract
A highly sensitive photonic sensor based on a porous silicon ring resonator was developed and experimentally characterized. The photonic sensing structure was fabricated by exploiting a porous silicon double layer, where the top layer of a low porosity was used to form photonic elements by e-beam lithography and the bottom layer of a high porosity was used to confine light in the vertical direction. The sensing performance of the ring resonator sensor based on porous silicon was compared for the different resonances within the analyzed wavelength range both for transverse-electric and transverse-magnetic polarizations. We determined that a sensitivity up to 439 nm/RIU for low refractive index changes can be achieved depending on the optical field distribution given by each resonance/polarization.
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Real-Time and In-Flow Sensing Using a High Sensitivity Porous Silicon Microcavity-Based Sensor. SENSORS 2017; 17:s17122813. [PMID: 29206149 PMCID: PMC5751713 DOI: 10.3390/s17122813] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 11/25/2017] [Accepted: 11/28/2017] [Indexed: 01/23/2023]
Abstract
Porous silicon seems to be an appropriate material platform for the development of high-sensitivity and low-cost optical sensors, as their porous nature increases the interaction with the target substances, and their fabrication process is very simple and inexpensive. In this paper, we present the experimental development of a porous silicon microcavity sensor and its use for real-time in-flow sensing application. A high-sensitivity configuration was designed and then fabricated, by electrochemically etching a silicon wafer. Refractive index sensing experiments were realized by flowing several dilutions with decreasing refractive indices, and measuring the spectral shift in real-time. The porous silicon microcavity sensor showed a very linear response over a wide refractive index range, with a sensitivity around 1000 nm/refractive index unit (RIU), which allowed us to directly detect refractive index variations in the 10−7 RIU range.
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Myndrul V, Viter R, Savchuk M, Koval M, Starodub N, Silamiķelis V, Smyntyna V, Ramanavicius A, Iatsunskyi I. Gold coated porous silicon nanocomposite as a substrate for photoluminescence-based immunosensor suitable for the determination of Aflatoxin B1. Talanta 2017; 175:297-304. [DOI: 10.1016/j.talanta.2017.07.054] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 07/15/2017] [Accepted: 07/19/2017] [Indexed: 02/02/2023]
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43
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Hamza S, Ignaszak A, Kiani A. Synthesis of Electrical Conductive Silica Nanofiber/Gold Nanoparticle Composite by Laser Pulses and Sputtering Technique. NANOSCALE RESEARCH LETTERS 2017; 12:432. [PMID: 28673052 PMCID: PMC5493603 DOI: 10.1186/s11671-017-2200-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 06/12/2017] [Indexed: 06/07/2023]
Abstract
Biocompatible-sensing materials hold an important role in biomedical applications where there is a need to translate biological responses into electrical signals. Increasing the biocompatibility of these sensing devices generally causes a reduction in the overall conductivity due to the processing techniques. Silicon is becoming a more feasible and available option for use in these applications due to its semiconductor properties and availability. When processed to be porous, it has shown promising biocompatibility; however, a reduction in its conductivity is caused by its oxidization. To overcome this, gold embedding through sputtering techniques are proposed in this research as a means of controlling and further imparting electrical properties to laser induced silicon oxide nanofibers. Single crystalline silicon wafers were laser processed using an Nd:YAG pulsed nanosecond laser system at different laser parameters before undergoing gold sputtering. Controlling the scanning parameters (e.g., smaller line spacings) was found to induce the formation of nanofibrous structures, whose diameters grew with increasing overlaps (number of laser beam scanning through the same path). At larger line spacings, nano and microparticle formation was observed. Overlap (OL) increases led to higher light absorbance's by the wafers. The gold sputtered samples resulted in greater conductivities at higher gold concentrations, especially in samples with smaller fiber sizes. Overall, these findings show promising results for the future of silicon as a semiconductor and a biocompatible material for its use and development in the improvement of sensing applications.
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Affiliation(s)
- Sarah Hamza
- Department of Mechanical Engineering, Silicon Hall: Laser Micro/Nano Fabrication Facility, University of New Brunswick, New Brunswick, E3B 5A3, Canada
| | - Anna Ignaszak
- Department of Chemistry, University of New Brunswick, New Brunswick, E3B 5A3, Canada
| | - Amirkianoosh Kiani
- Department of Mechanical Engineering, Silicon Hall: Laser Micro/Nano Fabrication Facility, University of New Brunswick, New Brunswick, E3B 5A3, Canada.
- Department of Automotive, Mechanical and Manufacturing Engineering, University of Ontario Institute of Technology (UOIT), Oshawa, ON, Canada.
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44
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A rapid and easy procedure of conductive 3D nanofibrous structure induced by nanosecond laser processing of Si wafer coated by Au thin-film. SENSING AND BIO-SENSING RESEARCH 2017. [DOI: 10.1016/j.sbsr.2017.09.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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45
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Rahimi F, Mohammadnejad Arough J, Yaghoobi M, Davoodi H, Sepehri F, Amirabadizadeh M. A novel approach for osteocalcin detection by competitive ELISA using porous silicon as a substrate. Biotechnol Appl Biochem 2017; 64:871-878. [DOI: 10.1002/bab.1541] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 10/01/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Fereshteh Rahimi
- Department of Life Science Engineering; Faculty of New Sciences & Technologies; University of Tehran; Tehran Iran
| | - Javad Mohammadnejad Arough
- Department of Life Science Engineering; Faculty of New Sciences & Technologies; University of Tehran; Tehran Iran
| | - Mona Yaghoobi
- Department of Life Science Engineering; Faculty of New Sciences & Technologies; University of Tehran; Tehran Iran
| | - Hadi Davoodi
- Department of Life Science Engineering; Faculty of New Sciences & Technologies; University of Tehran; Tehran Iran
| | - Fatemeh Sepehri
- Department of Life Science Engineering; Faculty of New Sciences & Technologies; University of Tehran; Tehran Iran
| | - Masood Amirabadizadeh
- Department of Life Science Engineering; Faculty of New Sciences & Technologies; University of Tehran; Tehran Iran
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46
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Biswas P, Karn AK, Balasubramanian P, Kale PG. Biosensor for detection of dissolved chromium in potable water: A review. Biosens Bioelectron 2017; 94:589-604. [PMID: 28364706 DOI: 10.1016/j.bios.2017.03.043] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Revised: 03/10/2017] [Accepted: 03/20/2017] [Indexed: 12/18/2022]
Abstract
The unprecedented deterioration rate of the environmental quality due to rapid urbanization and industrialization causes a severe global health concern to both ecosystem and humanity. Heavy metals are ubiquitous in nature and being used extensively in industrial processes, the exposure to excessive levels could alter the biochemical cycles of living systems. Hence the environmental monitoring through rapid and specific detection of heavy metal contamination in potable water is of paramount importance. Various standard analytical techniques and sensors are used for the detection of heavy metals include spectroscopy and chromatographic methods along with electrochemical, optical waveguide and polymer based sensors. However, the mentioned techniques lack the point of care application as it demands huge capital cost as well as the attention of expert personnel for sample preparation and operation. Recent advancements in the synergetic interaction among biotechnology and microelectronics have advocated the biosensor technology for a wide array of applications due to its characteristic features of sensitivity and selectivity. This review paper has outlined the overview of chromium toxicity, conventional analytical techniques along with a particular emphasis on electrochemical based biosensors for chromium detection in potable water. This article emphasized porous silicon as a host material for enzyme immobilization and elaborated the working principle, mechanism, kinetics of an enzyme-based biosensor for chromium detection. The significant characteristics such as pore size, thickness, and porosity make the porous silicon suitable for enzyme entrapment. Further, several schemes on porous silicon-based immobilized enzyme biosensors for the detection of chromium in potable water are proposed.
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Affiliation(s)
- Puja Biswas
- Department of Electrical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, India; Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, India.
| | - Abhinav Kumar Karn
- Department of Electrical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, India.
| | - P Balasubramanian
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, India.
| | - Paresh G Kale
- Department of Electrical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, India.
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47
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Dussan A, Bertel SD, Melo SF, Mesa F. Synthesis and characterization of porous silicon as hydroxyapatite host matrix of biomedical applications. PLoS One 2017; 12:e0173118. [PMID: 28291792 PMCID: PMC5349455 DOI: 10.1371/journal.pone.0173118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 02/15/2017] [Indexed: 01/24/2023] Open
Abstract
In this work, porous-silicon samples were prepared by electrochemical etching on p-type (B-doped) Silicon (Si) wafers. Hydrofluoric acid (HF)-ethanol (C2H5OH) [HF:Et] and Hydrofluoric acid (HF)-dimethylformamide (DMF-C3H7NO) [HF:DMF] solution concentrations were varied between [1:2]-[1:3] and [1:7]-[1:9], respectively. Effects of synthesis parameters, like current density, solution concentrations, reaction time, on morphological properties were studied by scanning electron microscopy (SEM) and atomic force microscopy (AFM) measurements. Pore sizes varying from 20 nm to micrometers were obtained for long reaction times and [HF:Et] [1:2] concentrations; while pore sizes in the same order were observed for [HF:DMF] [1:7], but for shorter reaction time. Greater surface uniformity and pore distribution was obtained for a current density of around 8 mA/cm2 using solutions with DMF. A correlation between reflectance measurements and pore size is presented. The porous-silicon samples were used as substrate for hydroxyapatite growth by sol-gel method. X-ray diffraction (XRD) and SEM were used to characterize the layers grown. It was found that the layer topography obtained on PS samples was characterized by the evidence of Hydroxyapatite in the inter-pore regions and over the surface.
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Affiliation(s)
- A Dussan
- Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Física, Grupo de Materiales Nanoestructutrados y sus Aplicaciones, Ciudad Universitaria, Bogotá, Colombia
| | - S D Bertel
- Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Física, Grupo de Materiales Nanoestructutrados y sus Aplicaciones, Ciudad Universitaria, Bogotá, Colombia
| | - S F Melo
- Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Física, Grupo de Materiales Nanoestructutrados y sus Aplicaciones, Ciudad Universitaria, Bogotá, Colombia
| | - F Mesa
- Universidad del Rosario, Facultad de Ciencias Naturales y Matemáticas, Grupo NanoTech, Bogotá, Colombia
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Liu Z, Balasubramanian V, Bhat C, Vahermo M, Mäkilä E, Kemell M, Fontana F, Janoniene A, Petrikaite V, Salonen J, Yli-Kauhaluoma J, Hirvonen J, Zhang H, Santos HA. Quercetin-Based Modified Porous Silicon Nanoparticles for Enhanced Inhibition of Doxorubicin-Resistant Cancer Cells. Adv Healthc Mater 2017; 6. [PMID: 27943644 DOI: 10.1002/adhm.201601009] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 09/25/2016] [Indexed: 11/11/2022]
Abstract
One of the most challenging obstacles in nanoparticle's surface modification is to achieve the concept that one ligand can accomplish multiple purposes. Upon such consideration, 3-aminopropoxy-linked quercetin (AmQu), a derivative of a natural flavonoid inspired by the structure of dopamine, is designed and subsequently used to modify the surface of thermally hydrocarbonized porous silicon (PSi) nanoparticles. This nanosystem inherits several advanced properties in a single carrier, including promoted anticancer efficiency, multiple drug resistance (MDR) reversing, stimuli-responsive drug release, drug release monitoring, and enhanced particle-cell interactions. The anticancer drug doxorubicin (DOX) is efficiently loaded into this nanosystem and released in a pH-dependent manner. AmQu also effectively quenches the fluorescence of the loaded DOX, thereby allowing the use of the nanosystem for monitoring the intracellular drug release. Furthermore, a synergistic effect with the presence of AmQu is observed in both normal MCF-7 and DOX-resistant MCF-7 breast cancer cells. Due to the similar structure as dopamine, AmQu may facilitate both the interaction and internalization of PSi into the cells. Overall, this PSi-based platform exhibits remarkable superiority in both multifunctionality and anticancer efficiency, making this nanovector a promising system for anti-MDR cancer treatment.
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Affiliation(s)
- Zehua Liu
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Vimalkumar Balasubramanian
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Chinmay Bhat
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Mikko Vahermo
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Ermei Mäkilä
- Laboratory of Industrial Physics; Department of Physics; University of Turku; Turku FI-20014 Finland
| | - Marianna Kemell
- Laboratory of Inorganic Chemistry; Department of Chemistry; University of Helsinki; FI-00014 Helsinki Finland
| | - Flavia Fontana
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Agne· Janoniene
- Department of Biothermodynamics and Drug Design; Institute of Biotechnology; Vilnius University; LT-10222 Vilnius Lithuania
| | - Vilma Petrikaite
- Department of Biothermodynamics and Drug Design; Institute of Biotechnology; Vilnius University; LT-10222 Vilnius Lithuania
- Department of Drug Chemistry; Faculty of Pharmacy; Lithuanian University of Health Sciences; LT-44307 Kaunas Lithuania
| | - Jarno Salonen
- Laboratory of Industrial Physics; Department of Physics; University of Turku; Turku FI-20014 Finland
| | - Jari Yli-Kauhaluoma
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Jouni Hirvonen
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Hongbo Zhang
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
- Harvard John A. Paulson School of Engineering and Applied Sciences; Harvard University; Cambridge MA 02138 USA
- Department of Pharmaceutical Science; Åbo Akademi University; Turku 20520 Finland
| | - Hélder A. Santos
- Division of Pharmaceutical Chemistry and Technology; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
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49
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Chhasatia R, Sweetman MJ, Harding FJ, Waibel M, Kay T, Thomas H, Loudovaris T, Voelcker NH. Non-invasive, in vitro analysis of islet insulin production enabled by an optical porous silicon biosensor. Biosens Bioelectron 2017; 91:515-522. [PMID: 28082240 DOI: 10.1016/j.bios.2017.01.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 12/27/2016] [Accepted: 01/03/2017] [Indexed: 12/16/2022]
Abstract
A label-free porous silicon (pSi) based, optical biosensor, using both an antibody and aptamer bioreceptor motif has been developed for the detection of insulin. Two parallel biosensors were designed and optimised independently, based on each bioreceptor. Both bioreceptors were covalently attached to a thermally hydrosilylated pSi surface though amide coupling, with unreacted surface area rendered stable and low fouling by incorporation of PEG moieties. The insulin detection ability of each biosensor was determined using interferometric reflectance spectroscopy, using a range of different media both with and without serum. Sensing performance was compared in terms of response value, response time and limit of detection (LOD) for each platform. In order to demonstrate the capability of the best performing biosensor to detect insulin from real samples, an in vitro investigation with the aptamer-modified surface was performed. This biosensor was exposed to buffer conditioned by glucose-stimulated human islets, with the result showing a positive response and a high degree of selectivity towards insulin capture. The obtained results correlated well with the ELISA used in the clinic for assaying glucose-stimulated insulin release from donor islets. We anticipate that this type of sensor can be applied as a rapid point-of-use biosensor to assess the quality of donor islets in terms of their insulin production efficiency, prior to transplantation.
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Affiliation(s)
- Rinku Chhasatia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Martin J Sweetman
- Experimental Therapeutics Laboratory, Hanson Institute and Samson Institute, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Frances J Harding
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Michaela Waibel
- St. Vincent's Institute of Medical Research, Victoria 3065, Australia
| | - Tom Kay
- St. Vincent's Institute of Medical Research, Victoria 3065, Australia
| | - Helen Thomas
- St. Vincent's Institute of Medical Research, Victoria 3065, Australia
| | - Thomas Loudovaris
- St. Vincent's Institute of Medical Research, Victoria 3065, Australia
| | - Nicolas H Voelcker
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia.
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50
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Zhao Y, Gaur G, Mernaugh RL, Laibinis PE, Weiss SM. Comparative Kinetic Analysis of Closed-Ended and Open-Ended Porous Sensors. NANOSCALE RESEARCH LETTERS 2016; 11:395. [PMID: 27620193 PMCID: PMC5020011 DOI: 10.1186/s11671-016-1614-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Accepted: 09/06/2016] [Indexed: 05/15/2023]
Abstract
Efficient mass transport through porous networks is essential for achieving rapid response times in sensing applications utilizing porous materials. In this work, we show that open-ended porous membranes can overcome diffusion challenges experienced by closed-ended porous materials in a microfluidic environment. A theoretical model including both transport and reaction kinetics is employed to study the influence of flow velocity, bulk analyte concentration, analyte diffusivity, and adsorption rate on the performance of open-ended and closed-ended porous sensors integrated with flow cells. The analysis shows that open-ended pores enable analyte flow through the pores and greatly reduce the response time and analyte consumption for detecting large molecules with slow diffusivities compared with closed-ended pores for which analytes largely flow over the pores. Experimental confirmation of the results was carried out with open- and closed-ended porous silicon (PSi) microcavities fabricated in flow-through and flow-over sensor configurations, respectively. The adsorption behavior of small analytes onto the inner surfaces of closed-ended and open-ended PSi membrane microcavities was similar. However, for large analytes, PSi membranes in a flow-through scheme showed significant improvement in response times due to more efficient convective transport of analytes. The experimental results and theoretical analysis provide quantitative estimates of the benefits offered by open-ended porous membranes for different analyte systems.
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Affiliation(s)
- Yiliang Zhao
- Interdisciplinary Graduate Program in Materials Science, Vanderbilt University, Nashville, TN 37235 USA
| | - Girija Gaur
- Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN 37235 USA
| | - Raymond L. Mernaugh
- Department of Biochemistry, Vanderbilt University Medical Center, Nashville, TN 37232 USA
| | - Paul E. Laibinis
- Interdisciplinary Graduate Program in Materials Science, Vanderbilt University, Nashville, TN 37235 USA
- Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Sharon M. Weiss
- Interdisciplinary Graduate Program in Materials Science, Vanderbilt University, Nashville, TN 37235 USA
- Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN 37235 USA
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