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Hussain N, Jan Nazami M, Ma C, Hirtz M. High-precision tabletop microplotter for flexible on-demand material deposition in printed electronics and device functionalization. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2021; 92:125104. [PMID: 34972400 DOI: 10.1063/5.0061331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 10/19/2021] [Indexed: 06/14/2023]
Abstract
Microstructuring, in particular, the additive functionalization of surfaces with, e.g., conductive or bioactive materials plays a crucial role in many applications in sensing or printed electronics. Mostly, the lithography steps are made prior to assembling functionalized surfaces into the desired places of use within a bigger device as a microfluidic channel or an electronic casing. However, when this is not possible, most lithography techniques struggle with access to recessed or inclined/vertical surfaces for geometrical reasons. In particular, for "on-the-fly" printing aiming to add microstructures to already existing devices on demand and maybe even for one-time trials, e.g., in prototyping, a flexible "micropencil" allowing for direct write under direct manual control and on arbitrarily positioned surfaces would be highly desirable. Here, we present a highly flexible, micromanipulator-based setup for capillary printing of conductive and biomaterial ink formulations that can address a wide range of geometries as exemplified on vertical, recessed surfaces and stacked 3D scaffolds as models for hard to access surfaces. A wide range of feature sizes from tens to hundreds of micrometer can be obtained by the choice of capillary sizes and the on-demand in situ writing capabilities are demonstrated with completion of a circuit structure by gold line interconnects deposited with the setup.
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Affiliation(s)
- Navid Hussain
- Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Mohammad Jan Nazami
- Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Chunyan Ma
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Michael Hirtz
- Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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Optimizing Aerosol Jet Printing Process of Platinum Ink for High-Resolution Conductive Microstructures on Ceramic and Polymer Substrates. Polymers (Basel) 2021; 13:polym13060918. [PMID: 33809782 PMCID: PMC8002352 DOI: 10.3390/polym13060918] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/01/2021] [Accepted: 03/11/2021] [Indexed: 12/02/2022] Open
Abstract
Printing nano-ink with platinum nanoparticles to generate conductive microstructures for electronics on different types of substrates has gained increasing interest in recent years. To solve the problem of the low conductivity of platinum (Pt) nano-ink, we synthesized chemically pure Pt nanoparticles with sizes of 18.2 ± 9.0 nm by spark discharge method. A low toxic solvent, ethylene glycol with water, was used to ensure the aggregation stability of Pt nanoparticles. Polyvinylpyrrolidone was used as an adhesive additive and binder in the nano-ink. Narrow and conductive Pt lines were generated by aerosol jet printing technology. The resistivity of the Pt lines sintered at 750 °C on alumina substrate was found to exceed the bulk Pt by about 13%. Moreover, the Pt film fabricated on polymer substrates has demonstrated excellent mechanical flexibility in terms of twisting tests.
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Valles DJ, Zholdassov YS, Braunschweig AB. Evolution and applications of polymer brush hypersurface photolithography. Polym Chem 2021. [DOI: 10.1039/d1py01073e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hypersurface photolithography creates arbitrary polymer brush patterns with independent control over feature diameter, height, and spacing between features, while controlling composition along a polymer chain and between features.
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Affiliation(s)
- Daniel J. Valles
- Advanced Science Research Center at the Graduate Center of the City University of New York, 85 St Nicholas Terrace, New York, NY 10031, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY 10065, USA
- PhD Program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Yerzhan S. Zholdassov
- Advanced Science Research Center at the Graduate Center of the City University of New York, 85 St Nicholas Terrace, New York, NY 10031, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY 10065, USA
- PhD Program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Adam B. Braunschweig
- Advanced Science Research Center at the Graduate Center of the City University of New York, 85 St Nicholas Terrace, New York, NY 10031, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY 10065, USA
- PhD Program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
- PhD Program in Biochemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
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Arrabito G, Ferrara V, Bonasera A, Pignataro B. Artificial Biosystems by Printing Biology. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1907691. [PMID: 32511894 DOI: 10.1002/smll.201907691] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 05/09/2020] [Indexed: 05/09/2023]
Abstract
The continuous progress of printing technologies over the past 20 years has fueled the development of a plethora of applications in materials sciences, flexible electronics, and biotechnologies. More recently, printing methodologies have started up to explore the world of Artificial Biology, offering new paradigms in the direct assembly of Artificial Biosystems (small condensates, compartments, networks, tissues, and organs) by mimicking the result of the evolution of living systems and also by redesigning natural biological systems, taking inspiration from them. This recent progress is reported in terms of a new field here defined as Printing Biology, resulting from the intersection between the field of printing and the bottom up Synthetic Biology. Printing Biology explores new approaches for the reconfigurable assembly of designed life-like or life-inspired structures. This work presents this emerging field, highlighting its main features, i.e., printing methodologies (from 2D to 3D), molecular ink properties, deposition mechanisms, and finally the applications and future challenges. Printing Biology is expected to show a growing impact on the development of biotechnology and life-inspired fabrication.
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Affiliation(s)
- Giuseppe Arrabito
- Department of Physics and Chemistry - Emilio Segrè, University of Palermo, Viale delle Scienze, Building 17, Palermo, 90128, Italy
| | - Vittorio Ferrara
- Department of Physics and Chemistry - Emilio Segrè, University of Palermo, Viale delle Scienze, Building 17, Palermo, 90128, Italy
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, Catania, 95125, Italy
| | - Aurelio Bonasera
- Department of Physics and Chemistry - Emilio Segrè, University of Palermo, Viale delle Scienze, Building 17, Palermo, 90128, Italy
| | - Bruno Pignataro
- Department of Physics and Chemistry - Emilio Segrè, University of Palermo, Viale delle Scienze, Building 17, Palermo, 90128, Italy
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Arrabito G, Ferrara V, Ottaviani A, Cavaleri F, Cubisino S, Cancemi P, Ho YP, Knudsen BR, Hede MS, Pellerito C, Desideri A, Feo S, Pignataro B. Imbibition of Femtoliter-Scale DNA-Rich Aqueous Droplets into Porous Nylon Substrates by Molecular Printing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:17156-17165. [PMID: 31790261 DOI: 10.1021/acs.langmuir.9b02893] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This work presents the first reported imbibition mechanism of femtoliter (fL)-scale droplets produced by microchannel cantilever spotting (μCS) of DNA molecular inks into porous substrates (hydrophilic nylon). Differently from macroscopic or picoliter droplets, the downscaling to the fL-size leads to an imbibition process controlled by the subtle interplay of evaporation, spreading, viscosity, and capillarity, with gravitational forces being quasi-negligible. In particular, the minimization of droplet evaporation, surface tension, and viscosity allows for a reproducible droplet imbibition process. The dwell time on the nylon surface permits further tuning of the droplet lateral size, in accord with liquid ink diffusion mechanisms. The functionality of the printed DNA molecules is demonstrated at different imbibed oligonucleotide concentrations by hybridization with a fluorolabeled complementary sequence, resulting in a homogeneous coverage of DNA within the imbibed droplet. This study represents a first step toward the μCS-enabled fabrication of DNA-based biosensors and microarrays into porous substrates.
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Affiliation(s)
- G Arrabito
- Department of Physics and Chemistry "Emilio Segrè" , University of Palermo , Building 17, V.le delle Scienze , Palermo 90128 , Italy
| | - V Ferrara
- Department of Chemical Sciences , University of Catania , Viale Andrea Doria 6 , Catania 95125 , Italy
| | - A Ottaviani
- Department of Biology , University of Rome Tor Vergata , Via della Ricerca Scientifica , Rome 00133 , Italy
| | - F Cavaleri
- Department of Physics and Chemistry "Emilio Segrè" , University of Palermo , Building 17, V.le delle Scienze , Palermo 90128 , Italy
| | - S Cubisino
- Department of Physics and Chemistry "Emilio Segrè" , University of Palermo , Building 17, V.le delle Scienze , Palermo 90128 , Italy
| | - P Cancemi
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies , University of Palermo , Building 16, V.le delle Scienze , Palermo 90128 , Italy
| | - Y P Ho
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Hong Kong SAR , China
- Centre for Novel Biomaterials , The Chinese University of Hong Kong , Hong Kong SAR , China
| | - B R Knudsen
- Department of Molecular Biology and Genetics , Aarhus University , C.F. Møllers Allé 3 , Aarhus C 8000 , Denmark
- iNANO , Aarhus University , Gustav Wieds Vej 14 , Aarhus 8000 , Denmark
| | - M S Hede
- VPCIR.COM , CF. Møllers Alle 3 , Aarhus C 800 , Denmark
| | - C Pellerito
- Department of Physics and Chemistry "Emilio Segrè" , University of Palermo , Building 17, V.le delle Scienze , Palermo 90128 , Italy
| | - A Desideri
- Department of Biology , University of Rome Tor Vergata , Via della Ricerca Scientifica , Rome 00133 , Italy
| | - S Feo
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies , University of Palermo , Building 16, V.le delle Scienze , Palermo 90128 , Italy
| | - B Pignataro
- Department of Physics and Chemistry "Emilio Segrè" , University of Palermo , Building 17, V.le delle Scienze , Palermo 90128 , Italy
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