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Eckstein C, Acosta LK, Pol L, Xifré-Pérez E, Pallares J, Ferré-Borrull J, Marsal LF. Nanoporous Anodic Alumina Surface Modification by Electrostatic, Covalent, and Immune Complexation Binding Investigated by Capillary Filling. ACS Appl Mater Interfaces 2018; 10:10571-10579. [PMID: 29509406 DOI: 10.1021/acsami.8b00572] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The fluid imbibition-coupled laser interferometry (FICLI) technique has been applied to detect and quantify surface changes and pore dimension variations in nanoporous anodic alumina (NAA) structures. FICLI is a noninvasive optical technique that permits the determination of the NAA average pore radius with high accuracy. In this work, the technique is applied after each step of different surface modification paths of the NAA pores: (i) electrostatic immobilization of bovine serum albumin (BSA), (ii) covalent attachment of streptavidin via (3-aminipropyl)-triethoxysilane and glutaraldehyde grafting, and (iii) immune complexation. Results show that BSA attachment can be detected as a reduction in estimated radius from FICLI with high accuracy and reproducibility. In the case of the covalent attachment of streptavidin, FICLI is able to recognize a multilayer formation of the silane and the protein. For immune complexation, the technique is able to detect different antibody-antigen bindings and distinguish different dynamics among different immune species.
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Affiliation(s)
- Chris Eckstein
- Universitat Rovira i Virgili, Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Nano-electronic and Photonic Systems (NePhoS) group, Avda. Països Catalans 26 , 43007 Tarragona , Spain
| | - Laura K Acosta
- Universitat Rovira i Virgili, Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Nano-electronic and Photonic Systems (NePhoS) group, Avda. Països Catalans 26 , 43007 Tarragona , Spain
| | - Laura Pol
- Universitat Rovira i Virgili, Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Nano-electronic and Photonic Systems (NePhoS) group, Avda. Països Catalans 26 , 43007 Tarragona , Spain
| | - Elisabet Xifré-Pérez
- Universitat Rovira i Virgili, Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Nano-electronic and Photonic Systems (NePhoS) group, Avda. Països Catalans 26 , 43007 Tarragona , Spain
| | - Josep Pallares
- Universitat Rovira i Virgili, Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Nano-electronic and Photonic Systems (NePhoS) group, Avda. Països Catalans 26 , 43007 Tarragona , Spain
| | - Josep Ferré-Borrull
- Universitat Rovira i Virgili, Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Nano-electronic and Photonic Systems (NePhoS) group, Avda. Països Catalans 26 , 43007 Tarragona , Spain
| | - Lluis F Marsal
- Universitat Rovira i Virgili, Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Nano-electronic and Photonic Systems (NePhoS) group, Avda. Països Catalans 26 , 43007 Tarragona , Spain
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Porta-I-Batalla M, Xifré-Pérez E, Eckstein C, Ferré-Borrull J, Marsal LF. 3D Nanoporous Anodic Alumina Structures for Sustained Drug Release. Nanomaterials (Basel) 2017; 7:E227. [PMID: 28825654 PMCID: PMC5575709 DOI: 10.3390/nano7080227] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 08/14/2017] [Indexed: 12/19/2022]
Abstract
The use of nanoporous anodic alumina (NAA) for the development of drug delivery systems has gained much attention in recent years. The release of drugs loaded inside NAA pores is complex and depends on the morphology of the pores. In this study, NAA, with different three-dimensional (3D) pore structures (cylindrical pores with several pore diameters, multilayered nanofunnels, and multilayered inverted funnels) were fabricated, and their respective drug delivery rates were studied and modeled using doxorubicin as a model drug. The obtained results reveal optimal modeling of all 3D pore structures, differentiating two drug release stages. Thus, an initial short-term and a sustained long-term release were successfully modeled by the Higuchi and the Korsmeyer-Peppas equations, respectively. This study demonstrates the influence of pore geometries on drug release rates, and further presents a sustained long-term drug release that exceeds 60 days without an undesired initial burst.
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Affiliation(s)
- Maria Porta-I-Batalla
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007 Tarragona, Spain.
| | - Elisabet Xifré-Pérez
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007 Tarragona, Spain.
| | - Chris Eckstein
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007 Tarragona, Spain.
| | - Josep Ferré-Borrull
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007 Tarragona, Spain.
| | - Lluis F Marsal
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007 Tarragona, Spain.
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Pla L, Xifré-Pérez E, Ribes À, Aznar E, Marcos MD, Marsal LF, Martínez-Máñez R, Sancenón F. Back Cover: A Mycoplasma
Genomic DNA Probe using Gated Nanoporous Anodic Alumina (ChemPlusChem 3/2017). Chempluschem 2017. [DOI: 10.1002/cplu.201700046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Luís Pla
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Elisabet Xifré-Pérez
- Departamento de Ingeniería Electrónica, Eléctrica y Automática; Universidad Rovira i Virgili; Avda. Paissos Catalans 26 43007 Tarragona Spain
| | - Àngela Ribes
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Elena Aznar
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - M. Dolores Marcos
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Lluís F. Marsal
- Departamento de Ingeniería Electrónica, Eléctrica y Automática; Universidad Rovira i Virgili; Avda. Paissos Catalans 26 43007 Tarragona Spain
| | - Ramón Martínez-Máñez
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Félix Sancenón
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
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Pla L, Xifré-Pérez E, Ribes À, Aznar E, Marcos MD, Marsal LF, Martínez-Máñez R, Sancenón F. A Mycoplasma
Genomic DNA Probe using Gated Nanoporous Anodic Alumina. Chempluschem 2017; 82:337-341. [DOI: 10.1002/cplu.201600651] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Indexed: 02/05/2023]
Affiliation(s)
- Luís Pla
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Elisabet Xifré-Pérez
- Departamento de Ingeniería Electrónica, Eléctrica y Automática; Universidad Rovira i Virgili; Avda. Paissos Catalans 26 43007 Tarragona Spain
| | - Àngela Ribes
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Elena Aznar
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - M. Dolores Marcos
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Lluís F. Marsal
- Departamento de Ingeniería Electrónica, Eléctrica y Automática; Universidad Rovira i Virgili; Avda. Paissos Catalans 26 43007 Tarragona Spain
| | - Ramón Martínez-Máñez
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Félix Sancenón
- Departamento de Química; Universidad Politécnica de Valencia; Camino de Vera s/n 46022 Valencia Spain
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular; y Desarrollo Tecnológico (IDM); Universitat Politécnica de Valencia; Universitat de Valencia; Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
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Bertó-Roselló F, Xifré-Pérez E, Ferré-Borrull J, Pallarès J, Marsal LF. Nanoporous Anodic Alumina 3D FDTD Modelling for a Broad Range of Inter-pore Distances. Nanoscale Res Lett 2016; 11:359. [PMID: 27518230 PMCID: PMC4987547 DOI: 10.1186/s11671-016-1575-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 08/04/2016] [Indexed: 05/09/2023]
Abstract
The capability of the finite difference time domain (FDTD) method for the numerical modelling of the optical properties of nanoporous anodic alumina (NAA) in a broad range of inter-pore distances is evaluated. FDTD permits taking into account in the same numerical framework all the structural features of NAA, such as the texturization of the interfaces or the incorporation of electrolyte anions in the aluminium oxide host. The evaluation is carried out by comparing reflectance measurements from two samples with two very different inter-pore distances with the simulation results. Results show that considering the texturization is crucial to obtain good agreement with the measurements. On the other hand, including the anionic layer in the model leads to a second-order contribution to the reflectance spectrum.
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Affiliation(s)
- Francesc Bertó-Roselló
- Department of Electronic, Electric and Automatic Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Elisabet Xifré-Pérez
- Department of Electronic, Electric and Automatic Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Josep Ferré-Borrull
- Department of Electronic, Electric and Automatic Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain.
| | - Josep Pallarès
- Department of Electronic, Electric and Automatic Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Lluis F Marsal
- Department of Electronic, Electric and Automatic Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
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Porta-I-Batalla M, Eckstein C, Xifré-Pérez E, Formentín P, Ferré-Borrull J, Marsal LF. Sustained, Controlled and Stimuli-Responsive Drug Release Systems Based on Nanoporous Anodic Alumina with Layer-by-Layer Polyelectrolyte. Nanoscale Res Lett 2016; 11:372. [PMID: 27550052 PMCID: PMC4993726 DOI: 10.1186/s11671-016-1585-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 08/13/2016] [Indexed: 05/19/2023]
Abstract
Controlled drug delivery systems are an encouraging solution to some drug disadvantages such as reduced solubility, deprived biodistribution, tissue damage, fast breakdown of the drug, cytotoxicity, or side effects. Self-ordered nanoporous anodic alumina is an auspicious material for drug delivery due to its biocompatibility, stability, and controllable pore geometry. Its use in drug delivery applications has been explored in several fields, including therapeutic devices for bone and dental tissue engineering, coronary stent implants, and carriers for transplanted cells. In this work, we have created and analyzed a stimuli-responsive drug delivery system based on layer-by-layer pH-responsive polyelectrolyte and nanoporous anodic alumina. The results demonstrate that it is possible to control the drug release using a polyelectrolyte multilayer coating that will act as a gate.
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Affiliation(s)
- Maria Porta-I-Batalla
- Department of Electronic, Electric and Automatics Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Chris Eckstein
- Department of Electronic, Electric and Automatics Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Elisabet Xifré-Pérez
- Department of Electronic, Electric and Automatics Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Pilar Formentín
- Department of Electronic, Electric and Automatics Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - J Ferré-Borrull
- Department of Electronic, Electric and Automatics Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Lluis F Marsal
- Department of Electronic, Electric and Automatics Engineering, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain.
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Eckstein C, Xifré-Pérez E, Porta-I-Batalla M, Ferré-Borrull J, Marsal LF. Optical Monitoring of the Capillary Filling Dynamics Variation in Nanoporous Anodic Alumina toward Sensing Applications. Langmuir 2016; 32:10467-10472. [PMID: 27666416 DOI: 10.1021/acs.langmuir.6b02459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Fluid imbibition-coupled laser interferometry (FICLI) is a technique in which the kinetics of a fluid infiltrating a nanoporous anodic alumina (NAA) membrane is monitored by the interference of a laser beam at the membrane top and bottom surfaces. Further processing of the measured data results in an estimate of the pore radius. In this work, we study the accuracy of FICLI in the detection of small changes in pore radius, and we evaluate the possibility of using such detection as a sensing paradigm. The accuracy is estimated by measuring samples with increasing pore radius, obtained by successive wet etching steps, and repeatability is evaluated by using different liquids. For decreasing pore radius, samples obtained by the successive deposition of polyelectrolyte double layers are used. With the aim of evaluating the possibility of the FICLI method to sense biological binding events, BSA attachment detection is demonstrated by applying FICLI to samples before and after immobilization of the protein. Results show that the technique permits an accurate estimation of the pore radius, the pore-etching rate (with a radius variation of retch,DI = 1.05 nm/min ± 0.11 nm/min), and the polyelectrolyte double layer thickness (with a radius variation of rPAH/PSS = 3.2 nm ± 0.2 nm per polyelectrolyte double layer). Furthermore, the pore radius reduction measured after BSA immobilization (dBSA = 4.9 nm ± 1.1 nm) is in good agreement with the protein size, as reported in the literature. With these results, we provide a sound basis for the applicability of FICLI as a sensitive technique for the characterization of NAA pore radius modifications.
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Affiliation(s)
- Chris Eckstein
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili , Avda. Països Catalans 26, 43007 Tarragona, Spain
| | - Elisabet Xifré-Pérez
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili , Avda. Països Catalans 26, 43007 Tarragona, Spain
| | - Maria Porta-I-Batalla
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili , Avda. Països Catalans 26, 43007 Tarragona, Spain
| | - Josep Ferré-Borrull
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili , Avda. Països Catalans 26, 43007 Tarragona, Spain
| | - Lluis F Marsal
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, ETSE, Universitat Rovira i Virgili , Avda. Països Catalans 26, 43007 Tarragona, Spain
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Baranowska M, Slota AJ, Eravuchira PJ, Macias G, Xifré-Pérez E, Pallares J, Ferré-Borrull J, Marsal LF. Protein attachment to nanoporous anodic alumina for biotechnological applications: influence of pore size, protein size and functionalization path. Colloids Surf B Biointerfaces 2014; 122:375-383. [PMID: 25086305 DOI: 10.1016/j.colsurfb.2014.07.027] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 06/04/2014] [Accepted: 07/15/2014] [Indexed: 11/16/2022]
Abstract
Nanoporous anodic alumina (NAA) is a material with great interest in nanotechnology and with promising applications to biotechnology. Obtaining specific and regularly functionalized NAA surfaces is essential to obtain meaningful results and applications. Silane-PEG-NHS (triethoxysilane-polyethylene-glycol-N-hydroxysuccinimide) is a covalent linker commonly used for single-molecule studies. We investigate the functionalization of NAA with silane-PEG-NHS and compared with two common, but not single-molecule, grafting agents, APTMS (3-aminopropylotrimethoxysilane) as an electrostatic linker, and APTMS-GTA (3-aminopropylotrimethoxysilane-glutaraldehyde) as covalent. Another outcome of this study is to show how two proteins (collagen and bovine serum albumin, BSA) with different properties differentially arrange for different functionalizations and NAA pore sizes. FTIR is used to demonstrate the surface modification steps and fluorescence confocal microscopy reveals that silane-PEG-NHS results in a more homogeneous protein distribution in comparison to the other linkers. Reflection interference Fourier transform spectroscopy confirms the confocal fluorescence microscopy results and permits to estimate the amounts of linker and linked proteins within the pores. These results permit to obtain uniformly chemical modified NAA supports with a great value in biosensing, drug delivery and cell biology.
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Affiliation(s)
- Malgorzata Baranowska
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain
| | - Agata J Slota
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain
| | - Pinkie J Eravuchira
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain
| | - Gerard Macias
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain
| | - Elisabet Xifré-Pérez
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain
| | - Josep Pallares
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain
| | - Josep Ferré-Borrull
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain
| | - Lluís F Marsal
- Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, Universitat, Rovira i Virgili, Avda. Països Catalans 26, Tarragona 43007, Spain.
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Abstract
Reflection in a mirror changes the handedness of the real world, and right-handed objects turn left-handed and vice versa (M. Gardner, The Ambidextrous Universe, Penguin Books, 1964). Also, we learn from electromagnetism textbooks that a flat metallic mirror transforms an electric charge into a virtual opposite charge. Consequently, the mirror image of a magnet is another parallel virtual magnet as the mirror image changes both the charge sign and the curl handedness. Here we report the dramatic modification in the optical response of a silicon nanocavity induced by the interaction with its image through a flat metallic mirror. The system of real and virtual dipoles can be interpreted as an effective magnetic dipole responsible for a strong enhancement of the cavity scattering cross section.
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Affiliation(s)
- Elisabet Xifré-Pérez
- Institut de Ciencies Fotoniques (ICFO), Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain
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Ramiro-Manzano F, Fenollosa R, Xifré-Pérez E, Garín M, Meseguer F. Porous silicon microcavities: synthesis, characterization, and application to photonic barcode devices. Nanoscale Res Lett 2012; 7:497. [PMID: 22943136 PMCID: PMC3499175 DOI: 10.1186/1556-276x-7-497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Accepted: 06/18/2012] [Indexed: 06/01/2023]
Abstract
We have recently developed a new type of porous silicon we name as porous silicon colloids. They consist of almost perfect spherical silicon nanoparticles with a very smooth surface, able to scatter (and also trap) light very efficiently in a large-span frequency range. Porous silicon colloids have unique properties because of the following: (a) they behave as optical microcavities with a high refractive index, and (b) the intrinsic photoluminescence (PL) emission is coupled to the optical modes of the microcavity resulting in a unique luminescence spectrum profile. The PL spectrum constitutes an optical fingerprint identifying each particle, with application for biosensing.In this paper, we review the synthesis of silicon colloids for developing porous nanoparticles. We also report on the optical properties with special emphasis in the PL emission of porous silicon microcavities. Finally, we present the photonic barcode concept.
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Affiliation(s)
- Fernando Ramiro-Manzano
- Centro de Tecnologías Físicas, Unidad Asociada ICMM/CSIC-UPV, Universidad Politécnica de Valencia, Av. Los Naranjos s/n, Valencia, 46022, Spain
- Instituto de Ciencia de Materiales de Madrid CSIC, Madrid, 28049, Spain
| | - Roberto Fenollosa
- Centro de Tecnologías Físicas, Unidad Asociada ICMM/CSIC-UPV, Universidad Politécnica de Valencia, Av. Los Naranjos s/n, Valencia, 46022, Spain
- Instituto de Ciencia de Materiales de Madrid CSIC, Madrid, 28049, Spain
| | - Elisabet Xifré-Pérez
- Centro de Tecnologías Físicas, Unidad Asociada ICMM/CSIC-UPV, Universidad Politécnica de Valencia, Av. Los Naranjos s/n, Valencia, 46022, Spain
- Instituto de Ciencia de Materiales de Madrid CSIC, Madrid, 28049, Spain
| | - Moises Garín
- Centro de Tecnologías Físicas, Unidad Asociada ICMM/CSIC-UPV, Universidad Politécnica de Valencia, Av. Los Naranjos s/n, Valencia, 46022, Spain
- Instituto de Ciencia de Materiales de Madrid CSIC, Madrid, 28049, Spain
| | - Francisco Meseguer
- Centro de Tecnologías Físicas, Unidad Asociada ICMM/CSIC-UPV, Universidad Politécnica de Valencia, Av. Los Naranjos s/n, Valencia, 46022, Spain
- Instituto de Ciencia de Materiales de Madrid CSIC, Madrid, 28049, Spain
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Shi L, Xifré-Pérez E, García de Abajo FJ, Meseguer F. Looking through the mirror: optical microcavity-mirror image photonic interaction. Opt Express 2012; 20:11247-11255. [PMID: 22565747 DOI: 10.1364/oe.20.011247] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Although science fiction literature and art portray extraordinary stories of people interacting with their images behind a mirror, we know that they are not real and belong to the realm of fantasy. However, it is well known that charges or magnets near a good electrical conductor experience real attractive or repulsive forces, respectively, originating in the interaction with their images. Here, we show strong interaction between an optical microcavity and its image under external illumination. Specifically, we use silicon nanospheres whose high refractive index makes well-defined optical resonances feasible. The strong interaction produces attractive and repulsive forces depending on incident wavelength, cavity-metal separation and resonance mode symmetry. These intense repulsive photonic forces warrant a new kind of optical levitation that allows us to accurately manipulate small particles, with important consequences for microscopy, optical sensing and control of light by light at the nanoscale.
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Affiliation(s)
- Lei Shi
- Centro de Tecnologías Físicas, Unidad Asociada ICMM/CSIC-UPV, Universidad Politécnica de Valencia, Valencia, Spain
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12
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Ramiro-Manzano F, Fenollosa R, Xifré-Pérez E, Garín M, Meseguer F. Porous silicon microcavities based photonic barcodes. Adv Mater 2011; 23:3022-5. [PMID: 21538596 DOI: 10.1002/adma.201100986] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2011] [Indexed: 05/20/2023]
Affiliation(s)
- F Ramiro-Manzano
- Centro de Tecnologías Físicas, Unidad Asociada ICMM/CSIC-UPV, Universidad Politécnica de Valencia, Spain
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13
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Abstract
Silicon colloids based microcavities, with sphere size between 1 and 3 micrometers, have been synthesized and optically characterized. Due to both the small cavity volume and the high refractive index of silicon we are able to tune resonances with extremely low mode index, whose electric field distribution resembles those of electronic orbitals. The value of some parameters such as quality factor Q, effective mode volume, and evanescent field have been calculated for several modes. This calculation indicates silicon colloids can be a serious strategy for developing optical microcavities where may coexist both optical modes with large evanescent fields useful for sensing applications, as well as modes with high Q/V ratio values, of the order of 10(9)(λ/n)(-3).
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Affiliation(s)
- E Xifré-Pérez
- Centro de Tecnologías Físicas, Unidad Asociada CSIC-UPV, Universidad Politécnica de Valencia, Avda Tarongers s/n, 46022, Valencia, Spain
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14
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Xifré-Pérez E, Domenech JD, Fenollosa R, Muñoz P, Capmany J, Meseguer F. All silicon waveguide spherical microcavity coupler device. Opt Express 2011; 19:3185-3192. [PMID: 21369140 DOI: 10.1364/oe.19.003185] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A coupler based on silicon spherical microcavities coupled to silicon waveguides for telecom wavelengths is presented. The light scattered by the microcavity is detected and analyzed as a function of the wavelength. The transmittance signal through the waveguide is strongly attenuated (up to 25 dB) at wavelengths corresponding to the Mie resonances of the microcavity. The coupling between the microcavity and the waveguide is experimentally demonstrated and theoretically modeled with the help of FDTD calculations.
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Affiliation(s)
- E Xifré-Pérez
- Centro de Tecnologías Físicas, Unidad Asociada CSIC-UPV, Universidad Politécnica de Valencia, Avda Tarongers s/n, 46022, Valencia, Spain
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15
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Xifré-Pérez E, García de Abajo FJ, Fenollosa R, Meseguer F. Photonic binding in silicon-colloid microcavities. Phys Rev Lett 2009; 103:103902. [PMID: 19792311 DOI: 10.1103/physrevlett.103.103902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2009] [Revised: 07/21/2009] [Indexed: 05/28/2023]
Abstract
Photonic binding between two identical silicon-colloid-based microcavities is studied by using a generalized multipolar expansion. In contrast with previous works, we focus on low-order cavity modes that resemble low-energy electronic orbitals. For conservative light intensities, the interaction between cavity modes with moderate Q factors produces extremely large particle acceleration values. Optical forces dominate over van der Waals, gravity, and Brownian motion, and they show a binding-antibinding behavior in analogy to electronic binding. As these photonic forces are associated with relatively broad Mie mode resonances and they are not strongly influenced by sample absorption, our study opens a plausible avenue towards manipulation of high-refractive-index colloidal assemblies.
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Affiliation(s)
- E Xifré-Pérez
- Centro de Tecnologías Físicas, Unidad Asociada ICMM- CSIC/UPV, Universidad Politécnica de Valencia, 46022 Valencia, Spain
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