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Fabre V, Carcenac F, Laborde A, Doucet JB, Vieu C, Louarn P, Trevisiol E. Hierarchical Superhydrophobic Device to Concentrate and Precisely Localize Water-Soluble Analytes: A Route to Environmental Analysis. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:14249-14260. [PMID: 36368024 DOI: 10.1021/acs.langmuir.2c01690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
An efficient superhydrophobic concentrator is developed using a hierarchical superhydrophobic surface on which the evaporation of a sessile droplet (6 μL) drives the nonvolatile elements it contains on a predefined micrometric analytical surface (pedestal of 80 μm diameter). This hierarchical silicon surface exhibits a surface texture made of etched nanopillars and consists of micropillars and guiding lines, arranged in radial symmetry around the central pedestal. The guiding lines ensure the overall convergence of the sessile droplet toward the central pedestal during evaporation. The nanopillar texturing induced a delay in the Cassie-Baxter to Wenzel regime transition, until the edge of the droplet reaches the periphery of the pedestal. Experiments performed with polymer microparticles suspended in ultrapure water or with DNA molecules solubilized in ultrapure water at sub-fM concentrations demonstrated that the totality of the nonvolatile elements in the liquid microvolume is delivered on or close to the pedestal area, in a very reproducible manner. The very high concentration capacity of the device enabled the discrimination of the degree of purity of ultrapure water samples from different origins. The concentrator also turned out to be functional for raw water samples, opening possible applications to environmental analysis.
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Affiliation(s)
- Victor Fabre
- LAAS-CNRS, Université de Toulouse, CNRS, INSA, 31400 Toulouse, France
- TBI, Université de Toulouse, CNRS, INRAE, INSA, 31400 Toulouse, France
| | - Franck Carcenac
- LAAS-CNRS, Université de Toulouse, CNRS, INSA, 31400 Toulouse, France
| | - Adrian Laborde
- LAAS-CNRS, Université de Toulouse, CNRS, INSA, 31400 Toulouse, France
| | | | - Christophe Vieu
- LAAS-CNRS, Université de Toulouse, CNRS, INSA, 31400 Toulouse, France
| | - Philippe Louarn
- IRAP, CNRS, Université de Toulouse, CNES, 31400 Toulouse, France
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Allione M, Limongi T, Marini M, Torre B, Zhang P, Moretti M, Perozziello G, Candeloro P, Napione L, Pirri CF, Di Fabrizio E. Micro/Nanopatterned Superhydrophobic Surfaces Fabrication for Biomolecules and Biomaterials Manipulation and Analysis. MICROMACHINES 2021; 12:1501. [PMID: 34945349 PMCID: PMC8708205 DOI: 10.3390/mi12121501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/19/2021] [Accepted: 11/25/2021] [Indexed: 01/04/2023]
Abstract
Superhydrophobic surfaces display an extraordinary repulsion to water and water-based solutions. This effect emerges from the interplay of intrinsic hydrophobicity of the surface and its morphology. These surfaces have been established for a long time and have been studied for decades. The increasing interest in recent years has been focused towards applications in many different fields and, in particular, biomedical applications. In this paper, we review the progress achieved in the last years in the fabrication of regularly patterned superhydrophobic surfaces in many different materials and their exploitation for the manipulation and characterization of biomaterial, with particular emphasis on the issues affecting the yields of the fabrication processes and the quality of the manufactured devices.
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Affiliation(s)
- Marco Allione
- Center for Sustainable Future Technologies @POLITO, Istituto Italiano di Tecnologia, Via Livorno 60, 10144 Turin, Italy;
- Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy; (M.M.); (B.T.); (L.N.); (E.D.F.)
| | - Tania Limongi
- Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy; (M.M.); (B.T.); (L.N.); (E.D.F.)
| | - Monica Marini
- Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy; (M.M.); (B.T.); (L.N.); (E.D.F.)
| | - Bruno Torre
- Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy; (M.M.); (B.T.); (L.N.); (E.D.F.)
| | - Peng Zhang
- Biological and Environmental Science and Engineering (BESE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (P.Z.); (M.M.)
| | - Manola Moretti
- Biological and Environmental Science and Engineering (BESE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (P.Z.); (M.M.)
| | - Gerardo Perozziello
- BioNEM Laboratory, Department of Experimental and Clinical Medicine, Campus S. Venuta, Magna Graecia University, Germaneto, Viale Europa, 88100 Catanzaro, Italy; (G.P.); (P.C.)
| | - Patrizio Candeloro
- BioNEM Laboratory, Department of Experimental and Clinical Medicine, Campus S. Venuta, Magna Graecia University, Germaneto, Viale Europa, 88100 Catanzaro, Italy; (G.P.); (P.C.)
| | - Lucia Napione
- Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy; (M.M.); (B.T.); (L.N.); (E.D.F.)
| | - Candido Fabrizio Pirri
- Center for Sustainable Future Technologies @POLITO, Istituto Italiano di Tecnologia, Via Livorno 60, 10144 Turin, Italy;
- Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy; (M.M.); (B.T.); (L.N.); (E.D.F.)
| | - Enzo Di Fabrizio
- Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy; (M.M.); (B.T.); (L.N.); (E.D.F.)
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Buzzin A, Cupo S, Giovine E, de Cesare G, Belfiore NP. Compliant Nano-Pliers as a Biomedical Tool at the Nanoscale: Design, Simulation and Fabrication. MICROMACHINES 2020; 11:mi11121087. [PMID: 33302376 PMCID: PMC7762596 DOI: 10.3390/mi11121087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/05/2020] [Accepted: 12/07/2020] [Indexed: 12/11/2022]
Abstract
This paper presents the development of a multi-hinge, multi-DoF (Degrees of Freedom) nanogripper actuated by means of rotary comb drives and equipped with CSFH (Conjugate Surface Flexure Hinges), with the goal of performing complex in-plane movements at the nanoscale. The design approach, the simulation and a specifically conceived single-mask fabrication process are described in detail and the achieved results are illustrated by SEM images. The first prototype presents a total overall area of (550 × 550) μm2, an active clamping area of (2 × 4) μm2, 600 nm-wide circular curved beams as flexible hinges for its motion and an aspect ratio of about 2.5. These features allow the proposed system to grasp objects a few hundred nanometers in size.
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Affiliation(s)
- Alessio Buzzin
- Department of Information Engineering, Electronics and Telecommunications, University of Rome La Sapienza, 00184 Rome, Italy; (A.B.); (G.d.C.)
| | - Serena Cupo
- Department of Engineering, University of Roma Tre, 00146 Rome, Italy;
| | - Ennio Giovine
- Institute of Photonics and Nanotechnologies, IFN-CNR, 00156 Rome, Italy;
| | - Giampiero de Cesare
- Department of Information Engineering, Electronics and Telecommunications, University of Rome La Sapienza, 00184 Rome, Italy; (A.B.); (G.d.C.)
| | - Nicola Pio Belfiore
- Department of Engineering, University of Roma Tre, 00146 Rome, Italy;
- Correspondence:
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Gustafsson L, Jansson R, Hedhammar M, van der Wijngaart W. Structuring of Functional Spider Silk Wires, Coatings, and Sheets by Self-Assembly on Superhydrophobic Pillar Surfaces. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:1704325. [PMID: 29205540 DOI: 10.1002/adma.201704325] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 09/25/2017] [Indexed: 06/07/2023]
Abstract
Spider silk has recently become a material of high interest for a large number of biomedical applications. Previous work on structuring of silk has resulted in particles (0D), fibers (1D), films (2D), and foams, gels, capsules, or microspheres (3D). However, the manufacturing process of these structures is complex and involves posttreatment of chemicals unsuitable for biological applications. In this work, the self-assembly of recombinant spider silk on micropatterned superhydrophobic surfaces is studied. For the first time, structuring of recombinant spider silk is achieved using superhydrophobic surfaces under conditions that retain the bioactivity of the functionalized silk. By tuning the superhydrophobic surface geometry and the silk solution handling parameters, this approach allows controlled generation of silk coatings, nanowires, and sheets. The underlying mechanisms and governing parameters are discussed. It is believed that the results of this work pave the way for fabrication of silk formations for applications including vehicles for drug delivery, optical sensing, antimicrobial coatings, and cell culture scaffolds.
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Affiliation(s)
- Linnea Gustafsson
- Micro- and Nanosystems, KTH Royal Institute of Technology, Osquldas väg 10, SE-100 44, Stockholm, Sweden
| | - Ronnie Jansson
- Division of Protein Technology, KTH Royal Institute of Technology, Roslagstullsbacken 21, SE-106 91, Stockholm, Sweden
| | - My Hedhammar
- Division of Protein Technology, KTH Royal Institute of Technology, Roslagstullsbacken 21, SE-106 91, Stockholm, Sweden
| | - Wouter van der Wijngaart
- Micro- and Nanosystems, KTH Royal Institute of Technology, Osquldas väg 10, SE-100 44, Stockholm, Sweden
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Brun C, Elchinger PH, Nonglaton G, Tidiane-Diagne C, Tiron R, Thuaire A, Gasparutto D, Baillin X. Metallic Conductive Nanowires Elaborated by PVD Metal Deposition on Suspended DNA Bundles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1700956. [PMID: 28677894 DOI: 10.1002/smll.201700956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 05/03/2017] [Indexed: 06/07/2023]
Abstract
Metallic conductive nanowires (NWs) with DNA bundle core are achieved, thanks to an original process relying on double-stranded DNA alignment and physical vapor deposition (PVD) metallization steps involving a silicon substrate. First, bundles of DNA are suspended with a repeatable process between 2 µm high parallel electrodes with separating gaps ranging from 800 nm to 2 µm. The process consists in the drop deposition of a DNA lambda-phage solution on the electrodes followed by a naturally evaporation step. The deposition process is controlled by the DNA concentration within the buffer solution, the drop volume, and the electrode hydrophobicity. The suspended bundles are finally metallized with various thicknesses of titanium and gold by a PVD e-beam evaporation process. The achieved NWs have a width ranging from a few nanometers up to 100 nm. The electrical behavior of the achieved 60 and 80 nm width metallic NWs is shown to be Ohmic and their intrinsic resistance is estimated according to different geometrical models of the NW section area. For the 80 nm width NWs, a resistance of about few ohms is established, opening exploration fields for applications in microelectronics.
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Affiliation(s)
- Christophe Brun
- Université Grenoble Alpes, F-38000, Grenoble, France
- CEA, LETI, MINATEC Campus, F-38054, Grenoble, France
| | - Pierre-Henri Elchinger
- Université Grenoble Alpes, F-38000, Grenoble, France
- Laboratory of Plant & Cell Physiology, CEA/DRF/BIG, CNRS UMR5168, INRA UMR 1417, F-38054, Grenoble, France
| | - Guillaume Nonglaton
- Université Grenoble Alpes, F-38000, Grenoble, France
- CEA, LETI, MINATEC Campus, F-38054, Grenoble, France
| | - Cheikh Tidiane-Diagne
- Université Grenoble Alpes, F-38000, Grenoble, France
- CEA, LETI, MINATEC Campus, F-38054, Grenoble, France
| | - Raluca Tiron
- Université Grenoble Alpes, F-38000, Grenoble, France
- CEA, LETI, MINATEC Campus, F-38054, Grenoble, France
| | - Aurélie Thuaire
- Université Grenoble Alpes, F-38000, Grenoble, France
- CEA, LETI, MINATEC Campus, F-38054, Grenoble, France
| | - Didier Gasparutto
- Université Grenoble Alpes, F-38000, Grenoble, France
- INAC/SyMMES, UMR 5819 CEA CNRS UGA, MINATEC Campus, F-38054, Grenoble, France
| | - Xavier Baillin
- Université Grenoble Alpes, F-38000, Grenoble, France
- CEA, LETI, MINATEC Campus, F-38054, Grenoble, France
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Brun C. DNA for Nanopackaging: A Promising Bottom-Up Approach. IEEE NANOTECHNOLOGY MAGAZINE 2017. [DOI: 10.1109/mnano.2016.2633679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Ciasca G, Papi M, Businaro L, Campi G, Ortolani M, Palmieri V, Cedola A, De Ninno A, Gerardino A, Maulucci G, De Spirito M. Recent advances in superhydrophobic surfaces and their relevance to biology and medicine. BIOINSPIRATION & BIOMIMETICS 2016; 11:011001. [PMID: 26844980 DOI: 10.1088/1748-3190/11/1/011001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
By mimicking naturally occurring superhydrophobic surfaces, scientists can now realize artificial surfaces on which droplets of a few microliters of water are forced to assume an almost spherical shape and an extremely high contact angle. In recent decades, these surfaces have attracted much attention due to their technological applications for anti-wetting and self-cleaning materials. Very recently, researchers have shifted their interest to investigate whether superhydrophobic surfaces can be exploited to study biological systems. This research effort has stimulated the design and realization of new devices that allow us to actively organize, visualize and manipulate matter at both the microscale and nanoscale levels. Such precise control opens up wide applications in biomedicine, as it allows us to directly manipulate objects at the typical length scale of cells and macromolecules. This progress report focuses on recent biological and medical applications of superhydrophobicity. Particular regard is paid to those applications that involve the detection, manipulation and study of extremely small quantities of molecules, and to those that allow high throughput cell and biomaterial screening.
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Affiliation(s)
- G Ciasca
- Istituto di Fisica, Università Cattolica del Sacro Cuore, Largo F Vito 1, 00168 Rome, Italy
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De Ninno A, Ciasca G, Gerardino A, Calandrini E, Papi M, De Spirito M, Nucara A, Ortolani M, Businaro L, Baldassarre L. An integrated superhydrophobic-plasmonic biosensor for mid-infrared protein detection at the femtomole level. Phys Chem Chem Phys 2015; 17:21337-42. [PMID: 25712032 DOI: 10.1039/c4cp05023a] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
In this work we present an integrated biosensor that enables FTIR (Fourier Transform-Infrared) detection of analytes contained in diluted solutions. The fabricated nanosensor allows for the detection of proteins through the identification of the fine structure of their amide I and II bands, up to the nanomolar concentration range. We exploited two distinct effects to enhance the sensitivity: (i) the concentration effect due to the presence of the superhydrophobic surface that conveys molecules dispersed in solution directly inside the focus of a FTIR spectromicroscope; (ii) the plasmonic resonance of the nanoantenna array that provides electromagnetic field enhancement in the amide I and II spectral region (1500-1700 cm(-1)). We demonstrate the detection of ferritin in the nanomolar concentration range, a blood protein that is usually available in small amounts in typical blood samples.
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Affiliation(s)
- Adele De Ninno
- CNR-Istituto di Fotonica e Nanotecnologie, Via Cineto Romano 42, 00146 Rome, Italy
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