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Chen L, Schmid J, Platek-Mielczarek A, Armstrong T, Schutzius TM. Three-Dimensional Metallic Surface Micropatterning through Tailored Photolithography-Transfer-Plating. ACS APPLIED MATERIALS & INTERFACES 2024; 16:46937-46944. [PMID: 39163249 PMCID: PMC11378153 DOI: 10.1021/acsami.4c10550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/22/2024]
Abstract
Precise micropatterning on three-dimensional (3D) surfaces is desired for a variety of applications, from microelectronics to metamaterials, which can be realized by transfer printing techniques. However, a nontrivial deficiency of this approach is that the transferred microstructures are adsorbed on the target surface with weak adhesion, limiting the applications to external force-free conditions. We propose a scalable "photolithography-transfer-plating" method to pattern stable and durable microstructures on 3D metallic surfaces with precise dimension and location control of the micropatterns. Surface patterning on metallic parts with different metals and isotropic and anisotropic curvatures is showcased. This method can also fabricate hierarchical structures with nanoscale vertical and microscale horizontal dimensions. The plated patterns are stable enough to mold soft materials, and the structure durability is validated by 24 h thermofluidic tests. We demonstrate micropatterned nickel electrodes for oxygen evolution reaction acceleration in hydrogen production, showing the potential of micropatterned 3D metallic surfaces for energy applications.
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Affiliation(s)
- Liyang Chen
- Laboratory for Multiphase Thermofluidics and Surface Nanoengineering, Department of Mechanical and Process Engineering, ETH Zurich, Sonneggstrasse 3, CH-8092 Zurich, Switzerland
| | - Julian Schmid
- Laboratory for Multiphase Thermofluidics and Surface Nanoengineering, Department of Mechanical and Process Engineering, ETH Zurich, Sonneggstrasse 3, CH-8092 Zurich, Switzerland
| | - Anetta Platek-Mielczarek
- Laboratory for Multiphase Thermofluidics and Surface Nanoengineering, Department of Mechanical and Process Engineering, ETH Zurich, Sonneggstrasse 3, CH-8092 Zurich, Switzerland
| | - Tobias Armstrong
- Laboratory for Multiphase Thermofluidics and Surface Nanoengineering, Department of Mechanical and Process Engineering, ETH Zurich, Sonneggstrasse 3, CH-8092 Zurich, Switzerland
| | - Thomas M Schutzius
- Laboratory for Multiphase Thermofluidics and Surface Nanoengineering, Department of Mechanical and Process Engineering, ETH Zurich, Sonneggstrasse 3, CH-8092 Zurich, Switzerland
- Department of Mechanical Engineering, University of California, Berkeley, Berkeley, California 94720, United States
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2
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Chen L, Liang H, Liu P, Shu Z, Wang Q, Dong X, Xie J, Feng B, Duan H. Phase-Change Stamp with Highly Switchable Adhesion and Stiffness for Damage-Free Multiscale Transfer Printing. ACS NANO 2024; 18:23968-23978. [PMID: 39177029 DOI: 10.1021/acsnano.4c00564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Abstract
Transfer printing is a technology widely used in the production of flexible electronics and vertically stacked devices, which involves the transfer of predefined electronic components from a rigid donor substrate to a receiver substrate with a stamp, potentially avoiding the limitations associated with lithographic processes. However, the stamps typically used in transfer printing have several limitations related to unwanted organic solvents, substantial loading, film damage, and inadequate adhesion switching ratios. This study introduces a thermally responsive phase-change stamp for efficient and damage-free transfer printing inspired by the adhesion properties observed during water freezing and ice melting. The stamp employs phase-change composites and simple fabrication protocols, providing robust initial adhesion strength and switchability. The underlying mechanism of switchable adhesion is investigated through experimental and numerical studies. Notably, the stamp eliminates the need for extra preload by spontaneously interlocking with the ink through in situ melting and crystallization. This minimizes ink damage and wrinkle formation during pickup while maintaining strong initial adhesion. During printing, the stamp exhibits a sufficiently weak adhesion state for reliable and consistent release, enabling multiscale, conformal, and damage-free transfer printing, ranging from nano- to wafer-scale. The fabrication of nanoscale short-channel transistors, epidermal electrodes, and human-machine interfaces highlights the potential of this technique in various emerging applications of nanoelectronics, nano optoelectronics, and soft bioelectronics.
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Affiliation(s)
- Lei Chen
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, P. R. China
| | - Huikang Liang
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, P. R. China
| | - Peng Liu
- School of Mechanical Engineering, Hunan University of Science and Technology, Xiangtan 411201, P. R. China
| | - Zhiwen Shu
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, P. R. China
| | - Quan Wang
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, P. R. China
| | - Xiaoqian Dong
- Nursing Department, The Third Xiangya Hospital, Central South University, Changsha 410000, P. R. China
| | - Jianfei Xie
- Nursing Department, The Third Xiangya Hospital, Central South University, Changsha 410000, P. R. China
| | - Bo Feng
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, P. R. China
| | - Huigao Duan
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, P. R. China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, P. R. China
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3
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Abdelrahman MS, Khattab TA. Recent advances in photoresponsive printing inks for security encoding applications. LUMINESCENCE 2024; 39:e4800. [PMID: 38923447 DOI: 10.1002/bio.4800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 05/02/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024]
Abstract
Counterfeiting of banknotes, important documents, and branded goods continues to be a major worldwide problem for governments, businesses, and consumers. This problem has serious financial, security, and health implications. Due to their stability for printing on various substrates, the photochromic anticounterfeiting inks have received important interest. There have been various photochromic agents, such as polymer nanoparticles, quantum and carbon dots, and organic and inorganic fluorophores and luminophores, which have been broadly used for antiforging applications. In comparison to organic agents, inorganic photochromic materials have better stability under reversible/long-term light illumination. Recently, the remarkable optical characteristics and chemical stability of photoluminescent and photochromic agents have led to their extensive usage anticounterfeiting products. There have been also several strategies to tackle the rising problem of counterfeiting. Both of solvent-based and water-based inks have been developed for security encoding purposes. Additionally, the printing methods, including screen printing, labeling, stamping, inkjet printing, and handwriting, that have been used to apply anticounterfeiting inks onto various surfaces are discussed. The limitations of photoluminescent and photochromic agents and the potential for their future preparation to combat counterfeiting were discussed. This review would benefit academic researchers and industrial developers who are interested in the area of security printing.
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Affiliation(s)
- Meram S Abdelrahman
- Dyeing, Printing and Auxiliaries Department, Textile Research and Technology Institute, National Research Centre, Cairo, Egypt
| | - Tawfik A Khattab
- Dyeing, Printing and Auxiliaries Department, Textile Research and Technology Institute, National Research Centre, Cairo, Egypt
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4
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Sakorikar T, Mihaliak N, Krisnadi F, Ma J, Kim TI, Kong M, Awartani O, Dickey MD. A Guide to Printed Stretchable Conductors. Chem Rev 2024; 124:860-888. [PMID: 38291556 DOI: 10.1021/acs.chemrev.3c00569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Printing of stretchable conductors enables the fabrication and rapid prototyping of stretchable electronic devices. For such applications, there are often specific process and material requirements such as print resolution, maximum strain, and electrical/ionic conductivity. This review highlights common printing methods and compatible inks that produce stretchable conductors. The review compares the capabilities, benefits, and limitations of each approach to help guide the selection of a suitable process and ink for an intended application. We also discuss methods to design and fabricate ink composites with the desired material properties (e.g., electrical conductance, viscosity, printability). This guide should help inform ongoing and future efforts to create soft, stretchable electronic devices for wearables, soft robots, e-skins, and sensors.
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Affiliation(s)
- Tushar Sakorikar
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Nikolas Mihaliak
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Febby Krisnadi
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Jinwoo Ma
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Tae-Il Kim
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, Gyeonggi 16419, South Korea
| | - Minsik Kong
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Omar Awartani
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Michael D Dickey
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
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5
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Zou S, Li Y, Gong Z. Wafer-scale patterning of high-resolution quantum dot films with a thickness over 10 μm for improved color conversion. NANOSCALE 2023; 15:18317-18327. [PMID: 37921020 DOI: 10.1039/d3nr04615j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Quantum dots (QDs) are promising color conversion materials for efficient full-color micro light-emitting diode (micro-LED) displays owing to their high color purity and wide color gamut. However, achieving high-resolution QD patterns with enough thickness for efficient color conversion is challenging. Here, we demonstrate a facile and compatible approach by combining replicate molding, plasma etching and transfer printing to produce QD patterns with a sufficient thickness over ten micrometers in a wide range of resolutions. Our technique can remarkably simplify the preparation of QD inks and minimize optical damage to QD materials. The pixel resolution and thickness of QD patterns can be controlled by well-defining the microstructures of the molding template and the etching process. The transfer printing process allows QD patterns to be assembled sequentially onto a receiving substrate, which will further improve the original pixel resolution and avoid repetitive optical damage to QDs during the patterning process. Consequently, various QD patterns can be fabricated in this work, including perovskite quantum dot (PQD) patterns with a pixel resolution of up to 669 pixels per inch (ppi) and a maximum thickness of up to 19.74 μm, a wafer-scale high-resolution PQD pattern with sufficient thickness on a flexible substrate, and a dual-color pattern comprising green PQDs and red CdSe QDs. Furthermore, these fabricated QD films with a thickness of over 10 μm show improved color conversion when integrated onto a blue micro-LED, revealing the potential of our technique for full-color micro-LED displays.
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Affiliation(s)
- Shenghan Zou
- Institute of Semiconductors, Guangdong Academy of Sciences, No. 363 Changxing Road, Tianhe District, Guangzhou 510650, China.
| | - Yuzhi Li
- Institute of Semiconductors, Guangdong Academy of Sciences, No. 363 Changxing Road, Tianhe District, Guangzhou 510650, China.
| | - Zheng Gong
- Institute of Semiconductors, Guangdong Academy of Sciences, No. 363 Changxing Road, Tianhe District, Guangzhou 510650, China.
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R G, Kar S, Nagai M, Mahapatra PS, Santra TS. Massively Parallel High-Throughput Single-Cell Patterning and Large Biomolecular Delivery in Mammalian Cells Using Light Pulses. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303053. [PMID: 37548122 DOI: 10.1002/smll.202303053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/21/2023] [Indexed: 08/08/2023]
Abstract
The recent advancements of single-cell analysis have significantly enhanced the ability to understand cellular physiology when compared to bulk cellular analysis. Here a massively parallel single-cell patterning and very large biomolecular delivery is reported. Micro-pillar polydimethyl siloxane stamp with different diameters (40-100 µm with 1 cm × 1 cm patterning area) is fabricated and then imprint distinct proteins and finally pattern single-cell to small clusters of cells depending on the micro-pillar diameters. The maximum patterning efficiency is achieved 99.7% for SiHa, 96.75% for L929, and 98.6% for MG63 cells, for the 100 µm micro-pillar stamp. For intracellular delivery of biomolecules into the patterned cells, a titanium micro-dish device is aligned on top of the cells and exposed by infrared light pulses. The platform successfully delivers small to very large biomolecules such as PI dyes (668 Da), dextran 3000 Da, siRNA (20-24 bp), and large size enzymes (464 KDa) in SiHa, L929 and MG63 cells. The delivery efficiency for PI dye, Dextran 3000, siRNA, and enzyme for patterned cells are ≈95 ± 3%, 97 ± 1%, 96 ± 1% and 94 ± 3%, with cell viability of 98 ± 1%. Thus, the platform is compact, robust, easy for printing, and potentially applicable for single-cell therapy and diagnostics.
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Affiliation(s)
- Gayathri R
- Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Srabani Kar
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai, 600036, India
- Department of Physics, Indian Institute of Science Education and Research, Tirupati, 517507, India
| | - Moeto Nagai
- Department of Mechanical Engineering, Toyohashi University of Technology, Aichi, 441-8580, Japan
| | - Pallab Sinha Mahapatra
- Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai, 600036, India
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7
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Akarsu P, Reinicke S, Lehnen AC, Bekir M, Böker A, Hartlieb M, Reifarth M. Fabrication of Patchy Silica Microspheres with Tailor-Made Patch Functionality using Photo-Iniferter Reversible-Addition-Fragmentation Chain-Transfer (PI-RAFT) Polymerization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301761. [PMID: 37381652 DOI: 10.1002/smll.202301761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/29/2023] [Indexed: 06/30/2023]
Abstract
Their inherent directional information renders patchy particles interesting building blocks for advanced applications in materials science. In this study, a feasible method to fabricate patchy silicon dioxide microspheres is demonstrated, which they are able to equip with tailor-made polymeric materials as patches. Their fabrication method relies on a solid-state supported microcontact printing (µCP) routine optimized for the transfer of functional groups to capillary-active substrates, which is used to introduce amino functionalities as patches to a monolayer of particles. Acting as anchor groups for polymerization, photo-iniferter reversible addition-fragmentation chain-transfer (RAFT) is used to graft polymer from the patch areas. Accordingly, particles with poly(N-acryloyl morpholine), poly(N-isopropyl acrylamide), and poly(n-butyl acrylate) are prepared as representative acrylic acid-derived functional patch materials. To facilitate their handling in water, a passivation strategy of the particles for aqueous systems is introduced. The protocol introduced here, therefore, promises a vast degree of freedom in engineering the surface properties of highly functional patchy particles. This feature is unmatched by other techniques to fabricate anisotropic colloids. The method, thus, can be considered a platform technology, culminating in the fabrication of particles that possess locally precisely formed patches on particles at a low µm scale with a high material functionality.
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Affiliation(s)
- Pinar Akarsu
- University of Potsdam, Institute of Chemistry, Karl-Liebknecht-Straße 24-25, 14476, Potsdam, Germany
- Fraunhofer Institute for Applied Polymer Research (IAP), Geiselbergstr. 69, 14476, Potsdam, Germany
| | - Stefan Reinicke
- University of Potsdam, Institute of Chemistry, Karl-Liebknecht-Straße 24-25, 14476, Potsdam, Germany
- Fraunhofer Institute for Applied Polymer Research (IAP), Geiselbergstr. 69, 14476, Potsdam, Germany
| | - Anne-Catherine Lehnen
- University of Potsdam, Institute of Chemistry, Karl-Liebknecht-Straße 24-25, 14476, Potsdam, Germany
- Fraunhofer Institute for Applied Polymer Research (IAP), Geiselbergstr. 69, 14476, Potsdam, Germany
| | - Marek Bekir
- University of Potsdam, Institute of Physics and Astronomy, Karl-Liebknecht-Straße 24-25, 14476, Potsdam, Germany
| | - Alexander Böker
- University of Potsdam, Institute of Chemistry, Karl-Liebknecht-Straße 24-25, 14476, Potsdam, Germany
- Fraunhofer Institute for Applied Polymer Research (IAP), Geiselbergstr. 69, 14476, Potsdam, Germany
| | - Matthias Hartlieb
- University of Potsdam, Institute of Chemistry, Karl-Liebknecht-Straße 24-25, 14476, Potsdam, Germany
- Fraunhofer Institute for Applied Polymer Research (IAP), Geiselbergstr. 69, 14476, Potsdam, Germany
| | - Martin Reifarth
- University of Potsdam, Institute of Chemistry, Karl-Liebknecht-Straße 24-25, 14476, Potsdam, Germany
- Fraunhofer Institute for Applied Polymer Research (IAP), Geiselbergstr. 69, 14476, Potsdam, Germany
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8
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Noroozi R, Arif ZU, Taghvaei H, Khalid MY, Sahbafar H, Hadi A, Sadeghianmaryan A, Chen X. 3D and 4D Bioprinting Technologies: A Game Changer for the Biomedical Sector? Ann Biomed Eng 2023:10.1007/s10439-023-03243-9. [PMID: 37261588 DOI: 10.1007/s10439-023-03243-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 05/14/2023] [Indexed: 06/02/2023]
Abstract
Bioprinting is an innovative and emerging technology of additive manufacturing (AM) and has revolutionized the biomedical sector by printing three-dimensional (3D) cell-laden constructs in a precise and controlled manner for numerous clinical applications. This approach uses biomaterials and varying types of cells to print constructs for tissue regeneration, e.g., cardiac, bone, corneal, cartilage, neural, and skin. Furthermore, bioprinting technology helps to develop drug delivery and wound healing systems, bio-actuators, bio-robotics, and bio-sensors. More recently, the development of four-dimensional (4D) bioprinting technology and stimuli-responsive materials has transformed the biomedical sector with numerous innovations and revolutions. This issue also leads to the exponential growth of the bioprinting market, with a value over billions of dollars. The present study reviews the concepts and developments of 3D and 4D bioprinting technologies, surveys the applications of these technologies in the biomedical sector, and discusses their potential research topics for future works. It is also urged that collaborative and valiant efforts from clinicians, engineers, scientists, and regulatory bodies are needed for translating this technology into the biomedical, pharmaceutical, and healthcare systems.
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Affiliation(s)
- Reza Noroozi
- School of Mechanical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran
| | - Zia Ullah Arif
- Department of Mechanical Engineering, University of Management & Technology, Lahore, Sialkot Campus, Lahore, 51041, Pakistan
| | - Hadi Taghvaei
- School of Mechanical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran
| | - Muhammad Yasir Khalid
- Department of Aerospace Engineering, Khalifa University of Science and Technology, PO Box: 127788, Abu Dhabi, United Arab Emirates
| | - Hossein Sahbafar
- School of Mechanical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran
| | - Amin Hadi
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Ali Sadeghianmaryan
- Postdoctoral Researcher Fellow at Department of Biomedical Engineering, University of Memphis, Memphis, TN, USA.
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, 57 Campus Dr., Saskatoon, SK, S7N5A9, Canada.
| | - Xiongbiao Chen
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, 57 Campus Dr., Saskatoon, SK, S7N5A9, Canada
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Schlichter L, Bosse F, Tyler BJ, Arlinghaus HF, Ravoo BJ. Patterning of Hydrophilic and Hydrophobic Gold and Magnetite Nanoparticles by Dip Pen Nanolithography. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2208069. [PMID: 36828795 DOI: 10.1002/smll.202208069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/01/2023] [Indexed: 05/04/2023]
Abstract
Nanoparticles offer unique physical and chemical properties. Dip pen nanolithography of nanoparticles enables versatile patterning and nanofabrication with potential application in electronics and sensing, but is not well studied yet. Herein, the patterned deposition of various nanoparticles onto unmodified silicon substrates is presented. It is shown that aqueous solutions of hydrophilic citrate and cyclodextrin functionalized gold nanoparticles as well as poly(acrylic) acid decorated magnetite nanoparticles are feasible for writing nanostructures. Both smaller and larger nanoparticles can be patterned. Hydrophobic oleylamine or n-dodecylamine capped gold nanoparticles and oleic acid decorated magnetite nanoparticles are deposited from toluene. Tip loading is carried out by dip-coating, and writing succeeds fast within 0.1 s. Also, coating with longer tip dwell times, at different relative humidity and varying frequency are studied for deposition of nanoparticle clusters. The resulting feature size is between 300 and 1780 nm as determined by scanning electron microscopy. Atomic force microscopy confirms that the heights of the deposited structures correspond to a single or double layer of nanoparticles. Higher writing speeds lead to smaller line thicknesses, offering possibilities to more complex structures. Dip pen nanolithography can hence be used to pattern nanoparticles on silicon substrates independent of the surface chemistry.
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Affiliation(s)
- Lisa Schlichter
- Center for Soft Nanoscience and Organic Chemistry Institute, Westfälische Wilhelms- Universität Münster, Busso-Peus-Straße 10, 48149, Münster, Germany
| | - Florian Bosse
- Center for Soft Nanoscience and Organic Chemistry Institute, Westfälische Wilhelms- Universität Münster, Busso-Peus-Straße 10, 48149, Münster, Germany
| | - Bonnie J Tyler
- Center for Soft Nanoscience and Physics Institute, Westfälische Wilhelms-Universität Münster, Busso-Peus-Str. 10, 48149, Münster, Germany
| | - Heinrich F Arlinghaus
- Center for Soft Nanoscience and Physics Institute, Westfälische Wilhelms-Universität Münster, Busso-Peus-Str. 10, 48149, Münster, Germany
| | - Bart Jan Ravoo
- Center for Soft Nanoscience and Organic Chemistry Institute, Westfälische Wilhelms- Universität Münster, Busso-Peus-Straße 10, 48149, Münster, Germany
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10
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Weber F, Axmann M, Horner A, Schwarzinger B, Weghuber J, Plochberger B. Lipoprotein Particles as Shuttles for Hydrophilic Cargo. MEMBRANES 2023; 13:membranes13050471. [PMID: 37233532 DOI: 10.3390/membranes13050471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/23/2023] [Accepted: 04/26/2023] [Indexed: 05/27/2023]
Abstract
Lipoprotein particles (LPs) are excellent transporters and have been intensively studied in cardiovascular diseases, especially regarding parameters such as their class distribution and accumulation, site-specific delivery, cellular internalization, and escape from endo/lysosomal compartments. The aim of the present work is the hydrophilic cargo loading of LPs. As an exemplary proof-of-principle showcase, the glucose metabolism-regulating hormone, insulin, was successfully incorporated into high-density lipoprotein (HDL) particles. The incorporation was studied and verified to be successful using Atomic Force Microscopy (AFM) and Fluorescence Microscopy (FM). Single-molecule-sensitive FM together with confocal imaging visualized the membrane interaction of single, insulin-loaded HDL particles and the subsequent cellular translocation of glucose transporter type 4 (Glut4).
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Affiliation(s)
- Florian Weber
- Department of Medical Engineering, University of Applied Sciences Upper Austria, 4020 Linz, Austria
- Science for Life Laboratory, Department of Women's and Children's Health, Karolinska Institutet, 17164 Solna, Sweden
| | - Markus Axmann
- Department of Medical Engineering, University of Applied Sciences Upper Austria, 4020 Linz, Austria
| | - Andreas Horner
- Institute of Biophysics, Johannes Kepler Universität, 4040 Linz, Austria
| | - Bettina Schwarzinger
- FFoQSI-Austrian Competence Centre for Feed and Food Quality, Safety & Innovation, 4600 Wels, Austria
| | - Julian Weghuber
- FFoQSI-Austrian Competence Centre for Feed and Food Quality, Safety & Innovation, 4600 Wels, Austria
- Center of Excellence Food Technology and Nutrition, University of Applied Sciences Upper Austria, 4600 Wels, Austria
| | - Birgit Plochberger
- Department of Medical Engineering, University of Applied Sciences Upper Austria, 4020 Linz, Austria
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11
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Lokar N, Pečar B, Možek M, Vrtačnik D. Microfluidic Electrochemical Glucose Biosensor with In Situ Enzyme Immobilization. BIOSENSORS 2023; 13:364. [PMID: 36979576 PMCID: PMC10046266 DOI: 10.3390/bios13030364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
The development and characterization of a microfluidic electrochemical glucose biosensor are presented herein. The transducer part is based on thin-film metal electrodes on a glass substrate. The biological recognition element of the biosensor is the pyrroloquinoline quinone-glucose dehydrogenase (PQQ-GdhB) enzyme, selectively in situ immobilized via microcontact printing of a mixed self-assembling monolayer (SAM) on a gold working electrode, while the microfluidic part of the device comprises microchannel and microfluidic connections formed in a polydimethylsiloxane (PDMS) elastomer. The electrode properties throughout all steps of biosensor construction and the biosensor response to glucose concentration and analyte flow rate were characterized by cyclic voltammetry and chronoamperometry. A measurement range of up to 10 mM in glucose concentration with a linear range up to 200 μM was determined. A detection limit of 30 µM in glucose concentration was obtained. Respective biosensor sensitivities of 0.79 nA/µM/mm2 and 0.61 nA/µM/mm2 were estimated with and without a flow at 20 µL/min. The developed approach of in situ enzyme immobilization can find a wide number of applications in the development of microfluidic biosensors, offering a path towards continuous and time-independent detection.
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12
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Juste-Dolz A, Fernández E, Puchades R, Avella-Oliver M, Maquieira Á. Patterned Biolayers of Protein Antigens for Label-Free Biosensing in Cow Milk Allergy. BIOSENSORS 2023; 13:214. [PMID: 36831980 PMCID: PMC9953870 DOI: 10.3390/bios13020214] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
This paper focuses on creating one-dimensional diffractive grooved structures of antigen proteins on glass substrates for the label-free detection of antibodies to dairy allergens. In particular, the fabrication of protein structures is carried out by combining microcontact printing with physisorption, imines coupling, and thiol-ene click chemistry. The work first sets up these patterning methods and discusses and compares the main aspects involved in them (structure, biolayer thickness, functionality, stability). Homogeneous periodic submicron structures of proteins are created and characterized by diffractive measurements, AFM, FESEM, and fluorescence scanning. Then, this patterning method is applied to proteins involved in cow milk allergy, and the resulting structures are implemented as optical transducers to sense specific immunoglobulins G. In particular, gratings of bovine serum albumin, casein, and β-lactoglobulin are created and assessed, reaching limits of detection in the range of 30-45 ng·mL-1 of unlabeled antibodies by diffractive biosensing.
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Affiliation(s)
- Augusto Juste-Dolz
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain
| | - Estrella Fernández
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain
| | - Rosa Puchades
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain
- Departamento de Química, Universitat Politècnica de València, 46022 Valencia, Spain
| | - Miquel Avella-Oliver
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain
- Departamento de Química, Universitat Politècnica de València, 46022 Valencia, Spain
| | - Ángel Maquieira
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain
- Departamento de Química, Universitat Politècnica de València, 46022 Valencia, Spain
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13
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Wang CM, Chan HS, Liao CL, Chang CW, Liao WS. Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:34-44. [PMID: 36703907 PMCID: PMC9830500 DOI: 10.3762/bjnano.14.4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 12/28/2022] [Indexed: 05/09/2023]
Abstract
We introduce a unique soft lithographic operation that exploits stamp roof collapse-induced gaps to selectively remove an alkanethiol self-assembled monolayer (SAM) on Au to generate surface patterns that are orders of magnitude smaller than structures on the original elastomer stamp. The smallest achieved feature dimension is 5 nm using a micrometer-scale structured stamp in a chemical lift-off lithography (CLL) process. Molecular patterns retained in the gaps between stamp features and their circumscribed or inscribed circles follow mathematical predictions, and their sizes can be tuned by altering the stamp structure dimensions, including height, pitch, and shape. These generated surface molecular patterns can function as biorecognition arrays or be transferred to the underneath Au layer for metallic structure creation. By combining CLL process with this gap phenomenon, soft material properties that are previously thought as demerits can be used to achieve sub-10 nm features in a straightforward sketch.
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Affiliation(s)
- Chang-Ming Wang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Hong-Sheng Chan
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Chia-Li Liao
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Che-Wei Chang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Wei-Ssu Liao
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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14
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Gao D, Ma Z, Jiang Y. Recent advances in microfluidic devices for foodborne pathogens detection. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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15
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Hager R, Forsich C, Duchoslav J, Burgstaller C, Stifter D, Weghuber J, Lanzerstorfer P. Microcontact Printing of Biomolecules on Various Polymeric Substrates: Limitations and Applicability for Fluorescence Microscopy and Subcellular Micropatterning Assays. ACS APPLIED POLYMER MATERIALS 2022; 4:6887-6896. [PMID: 36277174 PMCID: PMC9578008 DOI: 10.1021/acsapm.2c00834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 08/23/2022] [Indexed: 06/16/2023]
Abstract
Polymeric materials play an emerging role in biosensing interfaces. Within this regard, polymers can serve as a superior surface for binding and printing of biomolecules. In this study, we characterized 11 different polymer foils [cyclic olefin polymer (COP), cyclic olefin copolymer (COC), polymethylmethacrylate (PMMA), DI-Acetate, Lumirror 4001, Melinex 506, Melinex ST 504, polyamide 6, polyethersulfone, polyether ether ketone, and polyimide] to test for the applicability for surface functionalization, biomolecule micropatterning, and fluorescence microscopy approaches. Pristine polymer foils were characterized via UV-vis spectroscopy. Functional groups were introduced by plasma activation and epoxysilane-coating. Polymer modification was evaluated by water contact angle measurement and X-ray photoelectron spectroscopy. Protein micropatterns were fabricated using microcontact printing. Functionalized substrates were characterized via fluorescence contrast measurements using epifluorescence and total internal reflection fluorescence microscopy. Results showed that all polymer substrates could be chemically modified with epoxide functional groups, as indicated by reduced water contact angles compared to untreated surfaces. However, transmission and refractive index measurements revealed differences in important optical parameters, which was further proved by fluorescence contrast measurements of printed biomolecules. COC, COP, and PMMA were identified as the most promising alternatives to commonly used glass coverslips, which also showed superior applicability in subcellular micropatterning experiments.
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Affiliation(s)
- Roland Hager
- School
of Engineering, University of Applied Sciences
Upper Austria, 4600 Wels, Austria
| | - Christian Forsich
- School
of Engineering, University of Applied Sciences
Upper Austria, 4600 Wels, Austria
| | - Jiri Duchoslav
- Center
for Surface and Nanoanalytics (ZONA), Johannes
Kepler University Linz, 4040 Linz, Austria
| | - Christoph Burgstaller
- School
of Engineering, University of Applied Sciences
Upper Austria, 4600 Wels, Austria
- Transfercenter
für Kunststofftechnik GmbH, 4600 Wels, Austria
| | - David Stifter
- Center
for Surface and Nanoanalytics (ZONA), Johannes
Kepler University Linz, 4040 Linz, Austria
| | - Julian Weghuber
- School
of Engineering, University of Applied Sciences
Upper Austria, 4600 Wels, Austria
- FFoQSI—Austrian
Competence Center for Feed and Food Quality, 3430 Tulln, Austria
| | - Peter Lanzerstorfer
- School
of Engineering, University of Applied Sciences
Upper Austria, 4600 Wels, Austria
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16
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Gimenez R, Pérez-Sosa C, Bourguignon N, Miriuka S, Bhansali S, Arroyo CR, Debut A, Lerner B, Pérez MS. Simple Microcontact Printing Technique to Obtain Cell Patterns by Lithography Using Grayscale, Photopolymer Flexographic Mold, and PDMS. Biomimetics (Basel) 2022; 7:155. [PMID: 36278712 PMCID: PMC9624307 DOI: 10.3390/biomimetics7040155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/29/2022] [Accepted: 10/05/2022] [Indexed: 11/03/2023] Open
Abstract
Microcontact printing using PDMS embossing tools and its variations have aroused the interest of a wide spectrum of research fields, hence the feasibility of defining micro and nanoscale patterns. In this work, we have proposed and demonstrated a novel lithography method based on grayscale patterns printed in a flexographic photopolymer mold and transferred to epoxy resin and a single PDMS stamp to obtain different microprint pattern structures. The geometry of the patterns can be modified by adjusting the layout and grayscale of the stamp patterns. The functionality of this contact printing methodology was validated by generating human induced pluripotent stem cells (hiPSC) patterns. These specific micropatterns can be very useful for achieving complex differentiation in cell lines such as hiPSC. Microfabrication through the new technique provides a promising alternative to conventional lithography for constructing complex aligned surfaces; these structures could be used as components of biological patterns or microfluidic devices.
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Affiliation(s)
- Rocio Gimenez
- IREN Center, National Technological University, Buenos Aires 1706, Argentina
| | - Camilo Pérez-Sosa
- IREN Center, National Technological University, Buenos Aires 1706, Argentina
| | - Natalia Bourguignon
- IREN Center, National Technological University, Buenos Aires 1706, Argentina
- Department of Electrical and Computer Engineering, Florida International University, Miami, FL 33174, USA
| | - Santiago Miriuka
- LIAN-CONICET-FLENI, Ruta 9 Km 52, 5, Belén de Escobar 1625, Argentina
| | - Shekhar Bhansali
- Department of Electrical and Computer Engineering, Florida International University, Miami, FL 33174, USA
| | - Carlos R. Arroyo
- Centro de Nanociencia y Nanotecnología, Universidad de las Fuerzas Armadas ESPE, Sangolqui P.O. Box 171-5-231B, Ecuador
| | - Alexis Debut
- Centro de Nanociencia y Nanotecnología, Universidad de las Fuerzas Armadas ESPE, Sangolqui P.O. Box 171-5-231B, Ecuador
| | - Betiana Lerner
- IREN Center, National Technological University, Buenos Aires 1706, Argentina
- Department of Electrical and Computer Engineering, Florida International University, Miami, FL 33174, USA
- Collaborative Research Institute Intelligent Oncology (CRIION), Hermann-Herder-Straße 4, 79104 Freiburg im Breisgau, Germany
| | - Maximiliano S. Pérez
- IREN Center, National Technological University, Buenos Aires 1706, Argentina
- Department of Electrical and Computer Engineering, Florida International University, Miami, FL 33174, USA
- Collaborative Research Institute Intelligent Oncology (CRIION), Hermann-Herder-Straße 4, 79104 Freiburg im Breisgau, Germany
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17
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Handrea-Dragan IM, Botiz I, Tatar AS, Boca S. Patterning at the micro/nano-scale: Polymeric scaffolds for medical diagnostic and cell-surface interaction applications. Colloids Surf B Biointerfaces 2022; 218:112730. [DOI: 10.1016/j.colsurfb.2022.112730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 07/15/2022] [Accepted: 07/25/2022] [Indexed: 11/27/2022]
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18
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Tetsuka H, Pirrami L, Wang T, Demarchi D, Shin SR. Wirelessly Powered 3D Printed Hierarchical Biohybrid Robots with Multiscale Mechanical Properties. ADVANCED FUNCTIONAL MATERIALS 2022; 32:2202674. [PMID: 36313126 PMCID: PMC9603592 DOI: 10.1002/adfm.202202674] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The integration of flexible and stretchable electronics into biohybrid soft robotics can spur the development of new approaches to fabricate biohybrid soft machines, thus enabling a wide variety of innovative applications. Inspired by flexible and stretchable wireless-based bioelectronic devices, we have developed untethered biohybrid soft robots that can execute swimming motions, which are remotely controllable by the wireless transmission of electrical power into a cell simulator. To this end, wirelessly-powered, stretchable, and lightweight cell stimulators were designed to be integrated into muscle bodies without impeding the robots' underwater swimming abilities. The cell stimulators function by generating controlled monophasic pulses of up to ∼9 V in biological environments. By differentiating induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) directly on the cell stimulators using an accordion-inspired, three-dimensional (3D) printing construct, we have replicated the native myofiber architecture with comparable robustness and enhanced contractibility. Wirelessly modulated electrical frequencies enabled us to control the speed and direction of the biohybrid soft robots. A maximum locomotion speed of ∼580 μm/s was achieved in robots possessing a large body size by adjusting the pacing frequency. This innovative approach will provide a platform for building untethered and biohybrid systems for various biomedical applications.
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Affiliation(s)
- Hiroyuki Tetsuka
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Lansdowne Street, Cambridge, Massachusetts, 02139 USA
- Future Mobility Research Department, Toyota Research Institute of North America, Toyota Motor North America, 1555 Woodridge Avenue, Ann Arbor, Michigan, 48105 USA
| | - Lorenzo Pirrami
- iPrint Institute, HEIA-FR, HES-SO University of Applied Sciences and Arts Western Switzerland, Fribourg-1700, Switzerland
| | - Ting Wang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Lansdowne Street, Cambridge, Massachusetts, 02139 USA
| | - Danilo Demarchi
- Department of Electronics and Telecommunications, Politecnico di Torino, Turin 10129, Italy
| | - Su Ryon Shin
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Lansdowne Street, Cambridge, Massachusetts, 02139 USA
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19
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Sefkow-Werner J, Le Pennec J, Machillot P, Ndayishimiye B, Castro-Ramirez E, Lopes J, Licitra C, Wang I, Delon A, Picart C, Migliorini E. Automated Fabrication of Streptavidin-Based Self-assembled Materials for High-Content Analysis of Cellular Response to Growth Factors. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10.1021/acsami.2c08272. [PMID: 35849638 PMCID: PMC7614070 DOI: 10.1021/acsami.2c08272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The automation of liquid-handling routines offers great potential for fast, reproducible, and labor-reduced biomaterial fabrication but also requires the development of special protocols. Competitive systems demand for a high degree in miniaturization and parallelization while maintaining flexibility regarding the experimental design. Today, there are only a few possibilities for automated fabrication of biomaterials inside multiwell plates. We have previously demonstrated that streptavidin-based biomimetic platforms can be employed to study cellular behaviors on biomimetic surfaces. So far, these self-assembled materials were made by stepwise assembly of the components using manual pipetting. In this work, we introduce for the first time a fully automated and adaptable workflow to functionalize glass-bottom multiwell plates with customized biomimetic platforms deposited in single wells using a liquid-handling robot. We then characterize the cell response using automated image acquisition and subsequent analysis. Furthermore, the molecular surface density of the biomimetic platforms was characterized in situ using fluorescence-based image correlation spectroscopy. These measurements were in agreement with standard ex situ spectroscopic ellipsometry measurements. Due to automation, we could do a proof of concept to study the effect of heparan sulfate on the bioactivity of bone morphogenetic proteins on myoblast cells, using four different bone morphogenetic proteins (BMPs) (2, 4, 6, and 7) in parallel, at five increasing concentrations. Using such an automated self-assembly of biomimetic materials, it may be envisioned to further investigate the role of a large variety of extracellular matrix (ECM) components and growth factors on cell signaling.
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Affiliation(s)
- Julius Sefkow-Werner
- Univ. Grenoble Alpes, CNRS, Grenoble INP**, LMGP, 38000 Grenoble, France
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
| | - Jean Le Pennec
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
| | - Paul Machillot
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
| | - Bertin Ndayishimiye
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
| | - Elaine Castro-Ramirez
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
| | - Joao Lopes
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
| | | | - Irene Wang
- Univ. Grenoble Alpes, CNRS, LiPhy, Grenoble, France
| | | | - Catherine Picart
- Univ. Grenoble Alpes, CNRS, Grenoble INP**, LMGP, 38000 Grenoble, France
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
| | - Elisa Migliorini
- Univ. Grenoble Alpes, CNRS, Grenoble INP**, LMGP, 38000 Grenoble, France
- Univ. Grenoble Alpes, CEA, INSERM, U1292 Biosanté, CNRS EMR 5000 BRM, 3800, Grenoble, France
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20
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Minot S, Gablin C, Gassenq A, Bard A, Symonds C, Benoit JM, Bellessa J, Leonard D, Bessueille F. Exploring the benefits of surface analysis techniques to develop double multilayer transfer printing of J-Aggregates cyanine dyes by integrating L-b-L and μCp processes. Talanta 2022; 250:123731. [PMID: 35841661 DOI: 10.1016/j.talanta.2022.123731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/22/2022] [Accepted: 07/06/2022] [Indexed: 11/30/2022]
Abstract
Layer-by-layer self-assembly (L-b-L assembly) makes possible to obtain polyelectrolyte multilayers (PEMs) and one of the polyelectrolytes could be replaced by a dye molecule to obtain multilayers which may exhibit optical properties of great interest. On the other hand, μCp has become a routine technique for the preparation of micro- and nanostructured surfaces. In our development in progress of a surface engineering strategy to transfer J-Agg cyanine dyes onto surfaces by integrating L-b-L process and μCp, this contribution highlights how surface analysis imaging techniques can bring valuable information for the development of the process involving a double Multilayers Transfer Printing (MTP) with a Moiré effect. Key parameters sustaining image interpretation are difference in deposit thickness (optical microscopy, atomic force microscopy, scanning electron microscopy), in roughness (atomic force microscopy and scanning electron microscopy), in charge effect (scanning electron microscopy) and the chemical contrast between unprinted and printed areas (time-of-flight secondary ion mass spectrometry).
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Affiliation(s)
- Sylvain Minot
- Univ Lyon, CNRS, Université Claude Bernard Lyon1, Institut des Sciences Analytiques, UMR5280, 5, Rue de La Doua, F-69100, Villeurbanne, France; Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - Corinne Gablin
- Univ Lyon, CNRS, Université Claude Bernard Lyon1, Institut des Sciences Analytiques, UMR5280, 5, Rue de La Doua, F-69100, Villeurbanne, France
| | - Alban Gassenq
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - Antoine Bard
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - Clémentine Symonds
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - Jean-Michel Benoit
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - Joël Bellessa
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - Didier Leonard
- Univ Lyon, CNRS, Université Claude Bernard Lyon1, Institut des Sciences Analytiques, UMR5280, 5, Rue de La Doua, F-69100, Villeurbanne, France
| | - François Bessueille
- Univ Lyon, CNRS, Université Claude Bernard Lyon1, Institut des Sciences Analytiques, UMR5280, 5, Rue de La Doua, F-69100, Villeurbanne, France.
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21
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Zober M, Lienkamp K. “Just Antimicrobial Is Not Enough” Revisited – From Antimicrobial Polymers To Microstructured Dual‐Functional Surfaces, Self‐regenerating Polymer Surfaces, and Polymer Materials with Switchable Bioactivity. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Maria Zober
- Department of Microsystems Engineering (IMTEK) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
| | - Karen Lienkamp
- Department of Microsystems Engineering (IMTEK) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
- Professur für Polymerwerkstoffe Fachrichtung Materialwissenschaft und Werkstoffkunde Universität des Saarlandes Campus 66123 Saarbrücken Germany
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22
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Mai P, Hampl J, Baca M, Brauer D, Singh S, Weise F, Borowiec J, Schmidt A, Küstner JM, Klett M, Gebinoga M, Schroeder IS, Markert UR, Glahn F, Schumann B, Eckstein D, Schober A. MatriGrid® Based Biological Morphologies: Tools for 3D Cell Culturing. Bioengineering (Basel) 2022; 9:bioengineering9050220. [PMID: 35621498 PMCID: PMC9138054 DOI: 10.3390/bioengineering9050220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/06/2022] [Accepted: 05/11/2022] [Indexed: 02/06/2023] Open
Abstract
Recent trends in 3D cell culturing has placed organotypic tissue models at another level. Now, not only is the microenvironment at the cynosure of this research, but rather, microscopic geometrical parameters are also decisive for mimicking a tissue model. Over the years, technologies such as micromachining, 3D printing, and hydrogels are making the foundation of this field. However, mimicking the topography of a particular tissue-relevant substrate can be achieved relatively simply with so-called template or morphology transfer techniques. Over the last 15 years, in one such research venture, we have been investigating a micro thermoforming technique as a facile tool for generating bioinspired topographies. We call them MatriGrid®s. In this research account, we summarize our learning outcome from this technique in terms of the influence of 3D micro morphologies on different cell cultures that we have tested in our laboratory. An integral part of this research is the evolution of unavoidable aspects such as possible label-free sensing and fluidic automatization. The development in the research field is also documented in this account.
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Affiliation(s)
- Patrick Mai
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Jörg Hampl
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
- Correspondence: (J.H.); (A.S.); Tel.: +49-3677-6933387 (A.S.)
| | - Martin Baca
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Dana Brauer
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Sukhdeep Singh
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Frank Weise
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Justyna Borowiec
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - André Schmidt
- Placenta Lab, Department of Obstetrics, Jena University Hospital, 07747 Jena, Germany; (A.S.); (U.R.M.)
| | - Johanna Merle Küstner
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Maren Klett
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Michael Gebinoga
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
| | - Insa S. Schroeder
- Biophysics Division, GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany;
| | - Udo R. Markert
- Placenta Lab, Department of Obstetrics, Jena University Hospital, 07747 Jena, Germany; (A.S.); (U.R.M.)
| | - Felix Glahn
- Institute of Environmental Toxicology, Martin-Luther-University Halle-Wittenberg, 06097 Halle, Germany; (F.G.); (B.S.); (D.E.)
| | - Berit Schumann
- Institute of Environmental Toxicology, Martin-Luther-University Halle-Wittenberg, 06097 Halle, Germany; (F.G.); (B.S.); (D.E.)
| | - Diana Eckstein
- Institute of Environmental Toxicology, Martin-Luther-University Halle-Wittenberg, 06097 Halle, Germany; (F.G.); (B.S.); (D.E.)
| | - Andreas Schober
- Department of Nano-Biosystems Engineering, Institute of Chemistry and Biotechnology, Ilmenau University of Technology, 98693 Ilmenau, Germany; (P.M.); (M.B.); (D.B.); (S.S.); (F.W.); (J.B.); (J.M.K.); (M.K.); (M.G.)
- Correspondence: (J.H.); (A.S.); Tel.: +49-3677-6933387 (A.S.)
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23
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Beltrão M, Duarte FM, Viana JC, Paulo V. A review on in‐mold electronics technology. POLYM ENG SCI 2022. [DOI: 10.1002/pen.25918] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Mariana Beltrão
- IPC—Institute for Polymers and Composites University of Minho Guimarães Portugal
| | - Fernando M. Duarte
- IPC—Institute for Polymers and Composites University of Minho Guimarães Portugal
| | - Júlio C. Viana
- IPC—Institute for Polymers and Composites University of Minho Guimarães Portugal
| | - Vitor Paulo
- GLN Innovation—Grupo Manuel Champalimaud Leiria Portugal
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24
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Arrabito G, Gulli D, Alfano C, Pignataro B. "Writing biochips": high-resolution droplet-to-droplet manufacturing of analytical platforms. Analyst 2022; 147:1294-1312. [PMID: 35275148 DOI: 10.1039/d1an02295d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The development of high-resolution molecular printing allows the engineering of analytical platforms enabling applications at the interface between chemistry and biology, i.e. in biosensing, electronics, single-cell biology, and point-of-care diagnostics. Their successful implementation stems from the combination of large area printing at resolutions from sub-100 nm up to macroscale, whilst controlling the composition and volume of the ink, and reconfiguring the deposition features in due course. Similar to handwriting pens, the engineering of continuous writing systems tackles the issue of the tedious ink replenishment between different printing steps. To this aim, this review article provides an unprecedented analysis of the latest continuous printing methods for bioanalytical chemistry, focusing on ink deposition systems based on specific sets of technologies that have been developed to this aim, namely nanofountain probes, microcantilever spotting, capillary-based polymer pens and continuous 3D printing. Each approach will be discussed revealing the most important applications in the fields of biosensors, lab-on-chips and diagnostics.
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Affiliation(s)
- Giuseppe Arrabito
- Department of Physics and Chemistry (DiFC) Emilio Segrè, University of Palermo, Building 17, V.le delle Scienze, Palermo 90128, Italy.
| | - Daniele Gulli
- Department of Physics and Chemistry (DiFC) Emilio Segrè, University of Palermo, Building 17, V.le delle Scienze, Palermo 90128, Italy.
| | - Caterina Alfano
- Structural Biology and Biophysics Unit, Fondazione Ri.MED, Palermo 90133, Italy
| | - Bruno Pignataro
- Department of Physics and Chemistry (DiFC) Emilio Segrè, University of Palermo, Building 17, V.le delle Scienze, Palermo 90128, Italy.
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25
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Barlian A, Saputri DHA, Hernando A, Khoirinaya C, Prajatelistia E, Tanoto H. Spidroin striped micropattern promotes chondrogenic differentiation of human Wharton's jelly mesenchymal stem cells. Sci Rep 2022; 12:4837. [PMID: 35319008 PMCID: PMC8941093 DOI: 10.1038/s41598-022-08982-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 03/14/2022] [Indexed: 11/29/2022] Open
Abstract
Cartilage tissue engineering, particularly micropattern, can influence the biophysical properties of mesenchymal stem cells (MSCs) leading to chondrogenesis. In this research, human Wharton’s jelly MSCs (hWJ-MSCs) were grown on a striped micropattern containing spider silk protein (spidroin) from Argiope appensa. This research aims to direct hWJ-MSCs chondrogenesis using micropattern made of spidroin bioink as opposed to fibronectin that often used as the gold standard. Cells were cultured on striped micropattern of 500 µm and 1000 µm width sizes without chondrogenic differentiation medium for 21 days. The immunocytochemistry result showed that spidroin contains RGD sequences and facilitates cell adhesion via integrin β1. Chondrogenesis was observed through the expression of glycosaminoglycan, type II collagen, and SOX9. The result on glycosaminoglycan content proved that 1000 µm was the optimal width to support chondrogenesis. Spidroin micropattern induced significantly higher expression of SOX9 mRNA on day-21 and SOX9 protein was located inside the nucleus starting from day-7. COL2A1 mRNA of spidroin micropattern groups was downregulated on day-21 and collagen type II protein was detected starting from day-14. These results showed that spidroin micropattern enhances chondrogenic markers while maintains long-term upregulation of SOX9, and therefore has the potential as a new method for cartilage tissue engineering.
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Affiliation(s)
- Anggraini Barlian
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia. .,Research Center for Nanosciences and Nanotechnology, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia.
| | - Dinda Hani'ah Arum Saputri
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia
| | - Adriel Hernando
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia
| | - Candrani Khoirinaya
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia
| | - Ekavianty Prajatelistia
- Faculty of Mechanical and Aerospace Engineering, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia
| | - Hutomo Tanoto
- Faculty of Mechanical and Aerospace Engineering, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia
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26
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Kim S, Lakshmanan S, Li J, Anthamatten M, Lambropoulos J, Shestopalov AA. Modulation of Interfacial Adhesion Using Semicrystalline Shape-Memory Polymers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:3607-3616. [PMID: 35263106 PMCID: PMC8945391 DOI: 10.1021/acs.langmuir.2c00291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Semicrystalline shape-memory elastomers are molded into deformable geometrical features to control adhesive interactions between elastomers and a glass substrate. By mechanically and thermally controlling the deformation and phase-behavior of molded features, we can control the interfacial contact area and the interfacial adhesive force. Results indicate that elastic energy is stored in the semicrystalline state of deformed features and can be released to break attractive interfacial forces, automatically separating the glass substrate from the elastomer. Our findings suggest that the shape-memory elastomers can be applied in various contact printing applications to control adhesive forces and delamination mechanics during ink pickup and transfer.
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Affiliation(s)
- Soyoun Kim
- Department
of Chemical Engineering, University of Rochester, Rochester, New York 14627, United
States
| | - Sanjay Lakshmanan
- Department
of Mechanical Engineering, University of
Rochester, Rochester, New York 14627, United States
| | - Jinhai Li
- Department
of Chemical Engineering, University of Rochester, Rochester, New York 14627, United
States
| | - Mitchell Anthamatten
- Department
of Chemical Engineering, University of Rochester, Rochester, New York 14627, United
States
| | - John Lambropoulos
- Department
of Mechanical Engineering, University of
Rochester, Rochester, New York 14627, United States
| | - Alexander A. Shestopalov
- Department
of Chemical Engineering, University of Rochester, Rochester, New York 14627, United
States
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27
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Karimian T, Hager R, Karner A, Weghuber J, Lanzerstorfer P. A Simplified and Robust Activation Procedure of Glass Surfaces for Printing Proteins and Subcellular Micropatterning Experiments. BIOSENSORS 2022; 12:140. [PMID: 35323410 PMCID: PMC8946821 DOI: 10.3390/bios12030140] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 05/08/2023]
Abstract
Depositing biomolecule micropatterns on solid substrates via microcontact printing (µCP) usually requires complex chemical substrate modifications to initially create reactive surface groups. Here, we present a simplified activation procedure for untreated solid substrates based on a commercial polymer metal ion coating (AnteoBindTM Biosensor reagent) that allows for direct µCP and the strong attachment of proteins via avidity binding. In proof-of-concept experiments, we identified the optimum working concentrations of the surface coating, characterized the specificity of protein binding and demonstrated the suitability of this approach by subcellular micropatterning experiments in living cells. Altogether, this method represents a significant enhancement and simplification of existing µCP procedures and further increases the accessibility of protein micropatterning for cell biological research questions.
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Affiliation(s)
- Tina Karimian
- School of Engineering, University of Applied Sciences Upper Austria, 4600 Wels, Austria; (T.K.); (R.H.); (J.W.)
| | - Roland Hager
- School of Engineering, University of Applied Sciences Upper Austria, 4600 Wels, Austria; (T.K.); (R.H.); (J.W.)
| | - Andreas Karner
- School of Engineering, University of Applied Sciences Upper Austria, 4020 Linz, Austria;
| | - Julian Weghuber
- School of Engineering, University of Applied Sciences Upper Austria, 4600 Wels, Austria; (T.K.); (R.H.); (J.W.)
- FFoQSI GmbH, Austrian Competence Center for Feed and Food Quality, Safety & Innovation, 3430 Tulln, Austria
| | - Peter Lanzerstorfer
- School of Engineering, University of Applied Sciences Upper Austria, 4600 Wels, Austria; (T.K.); (R.H.); (J.W.)
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28
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Zhou X, Wu H, Wen H, Zheng B. Advances in Single-Cell Printing. MICROMACHINES 2022; 13:80. [PMID: 35056245 PMCID: PMC8778191 DOI: 10.3390/mi13010080] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/27/2021] [Accepted: 12/30/2021] [Indexed: 12/20/2022]
Abstract
Single-cell analysis is becoming an indispensable tool in modern biological and medical research. Single-cell isolation is the key step for single-cell analysis. Single-cell printing shows several distinct advantages among the single-cell isolation techniques, such as precise deposition, high encapsulation efficiency, and easy recovery. Therefore, recent developments in single-cell printing have attracted extensive attention. We review herein the recently developed bioprinting strategies with single-cell resolution, with a special focus on inkjet-like single-cell printing. First, we discuss the common cell printing strategies and introduce several typical and advanced printing strategies. Then, we introduce several typical applications based on single-cell printing, from single-cell array screening and mass spectrometry-based single-cell analysis to three-dimensional tissue formation. In the last part, we discuss the pros and cons of the single-cell strategies and provide a brief outlook for single-cell printing.
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Affiliation(s)
| | | | | | - Bo Zheng
- Shenzhen Bay Laboratory, Institute of Cell Analysis, Shenzhen 518132, China; (X.Z.); (H.W.); (H.W.)
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29
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Mohr JD, Ramezani M, Holowka D, Baird BA. Micropatterned Ligand Arrays to Investigate Spatial Regulation of Cellular Signaling Initiated by Clustered Fc Receptors. Methods Mol Biol 2022; 2421:1-19. [PMID: 34870808 PMCID: PMC9675614 DOI: 10.1007/978-1-0716-1944-5_1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Cell surface receptors that bind the Fc segment of antibodies to initiate signaling play fundamental roles in immune responses. Multiple, diverse Fc receptors (e.g., Fc gamma, Fc-alpha, and Fc-epsilon) are expressed on different immune cells, including natural killer cells, macrophages, mast cells, and neutrophils. Fc receptors bind particular antibody isotypes (e.g., IgG, IgA, IgE, respectively) thereby sensitizing the cells to their specific antigens. Receptor clustering by antigen or other multivalent ligands induces a signaling cascade that leads to targeted secretion of chemical mediators (e.g., histamine, cytokines, and chemokines) and other cell-specific responses. Spatial targeting and compartmentalization are common mechanisms for regulating Fc receptor signaling. However, the tools for studying these dynamic interactions at cellular levels have been limited due to the nanoscale dimensions of the signaling complexes and their dispersal across the cell surface. To overcome these limitations in our model system, we use microfabricated surfaces containing spatially defined ligands to cluster and activate IgE receptors (FcεRI), which initiate allergic responses by mast cells. Micron-scale control of receptor assemblies allows investigation with conventional fluorescence microscopy of spatially regulated redistributions of intracellular signaling components. This approach in conjunction with biochemical techniques has proven valuable for investigating immune receptor signaling.
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30
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31
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Hager R, Müller U, Ollinger N, Weghuber J, Lanzerstorfer P. Subcellular Dynamic Immunopatterning of Cytosolic Protein Complexes on Microstructured Polymer Substrates. ACS Sens 2021; 6:4076-4088. [PMID: 34652152 PMCID: PMC8630788 DOI: 10.1021/acssensors.1c01574] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
![]()
Analysis of protein–protein
interactions in living cells
by protein micropatterning is currently limited to the spatial arrangement
of transmembrane proteins and their corresponding downstream molecules.
Here, we present a robust and straightforward method for dynamic immunopatterning
of cytosolic protein complexes by use of an artificial transmembrane
bait construct in combination with microstructured antibody arrays
on cyclic olefin polymer substrates. As a proof, the method was used
to characterize Grb2-mediated signaling pathways downstream of the
epidermal growth factor receptor (EGFR). Ternary protein complexes
(Shc1:Grb2:SOS1 and Grb2:Gab1:PI3K) were identified, and we found
that EGFR downstream signaling is based on constitutively bound (Grb2:SOS1
and Grb2:Gab1) as well as on agonist-dependent protein associations
with transient interaction properties (Grb2:Shc1 and Grb2:PI3K). Spatiotemporal
analysis further revealed significant differences in stability and
exchange kinetics of protein interactions. Furthermore, we could show
that this approach is well suited to study the efficacy and specificity
of SH2 and SH3 protein domain inhibitors in a live cell context. Altogether,
this method represents a significant enhancement of quantitative subcellular
micropatterning approaches as an alternative to standard biochemical
analyses.
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Affiliation(s)
- Roland Hager
- University of Applied Sciences Upper Austria, School of Engineering, 4600 Wels, Austria
| | - Ulrike Müller
- University of Applied Sciences Upper Austria, School of Engineering, 4600 Wels, Austria
| | - Nicole Ollinger
- Austrian Competence Centre for Feed and Food Quality, Safety & Innovation, Head Office: FFoQSI GmbH, Technopark 1C, 3430 Tulln, Austria
| | - Julian Weghuber
- University of Applied Sciences Upper Austria, School of Engineering, 4600 Wels, Austria
- Austrian Competence Centre for Feed and Food Quality, Safety & Innovation, Head Office: FFoQSI GmbH, Technopark 1C, 3430 Tulln, Austria
| | - Peter Lanzerstorfer
- University of Applied Sciences Upper Austria, School of Engineering, 4600 Wels, Austria
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32
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Sathish S, Shen AQ. Toward the Development of Rapid, Specific, and Sensitive Microfluidic Sensors: A Comprehensive Device Blueprint. JACS AU 2021; 1:1815-1833. [PMID: 34841402 PMCID: PMC8611667 DOI: 10.1021/jacsau.1c00318] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Indexed: 05/04/2023]
Abstract
Recent advances in nano/microfluidics have led to the miniaturization of surface-based chemical and biochemical sensors, with applications ranging from environmental monitoring to disease diagnostics. These systems rely on the detection of analytes flowing in a liquid sample, by exploiting their innate nature to react with specific receptors immobilized on the microchannel walls. The efficiency of these systems is defined by the cumulative effect of analyte detection speed, sensitivity, and specificity. In this perspective, we provide a fresh outlook on the use of important parameters obtained from well-characterized analytical models, by connecting the mass transport and reaction limits with the experimentally attainable limits of analyte detection efficiency. Specifically, we breakdown when and how the operational (e.g., flow rates, channel geometries, mode of detection, etc.) and molecular (e.g., receptor affinity and functionality) variables can be tailored to enhance the analyte detection time, analytical specificity, and sensitivity of the system (i.e., limit of detection). Finally, we present a simple yet cohesive blueprint for the development of high-efficiency surface-based microfluidic sensors for rapid, sensitive, and specific detection of chemical and biochemical analytes, pertinent to a variety of applications.
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Affiliation(s)
- Shivani Sathish
- Micro/Bio/Nanofluidics Unit, Okinawa Institute of Science and Technology Graduate
University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Amy Q. Shen
- Micro/Bio/Nanofluidics Unit, Okinawa Institute of Science and Technology Graduate
University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
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33
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Guo L, Klein J, Thien J, Philippi M, Haase M, Wollschläger J, Steinhart M. Phenolic Resin Dual-Use Stamps for Capillary Stamping and Decal Transfer Printing. ACS APPLIED MATERIALS & INTERFACES 2021; 13:49567-49579. [PMID: 34619969 DOI: 10.1021/acsami.1c17904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
We report an optimized two-step thermopolymerization process carried out in contact with micropatterned molds that yields porous phenolic resin dual-use stamps with topographically micropatterned contact surfaces. With these stamps, two different parallel additive substrate manufacturing methods can be executed: capillary stamping and decal transfer microlithography. Under moderate contact pressures, the porous phenolic resin stamps are used for nondestructive ink transfer to substrates by capillary stamping. Continuous ink supply through the pore systems to the contact surfaces of the porous phenolic resin stamps enables multiple successive stamp-substrate contacts for lithographic ink deposition under ambient conditions. No deterioration of the quality of the deposited pattern occurs, and no interruptions for ink replenishment are required. Under a high contact pressure, porous phenolic resin stamps are used for decal transfer printing. In this way, the tips of the stamps' contact elements are lithographically transferred to counterpart substrates. The granular nature of the phenolic resin facilitates the rupture of the contact elements upon stamp retraction. The deposited phenolic resin micropatterns characterized by abundance of exposed hydroxyl groups are used as generic anchoring sites for further application-specific functionalizations. As an example, we deposited phenolic resin micropatterns on quartz crystal microbalance resonators and further functionalized them with polyethylenimine for preconcentration sensing of humidity and gaseous formic acid. We envision that also preconcentration coatings for other sensing methods, such as attenuated total reflection infrared spectroscopy and surface plasmon resonance spectroscopy, are accessible by this functionalization algorithm.
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Affiliation(s)
- Leiming Guo
- Institut für Chemie neuer Materialien and CellNanOs, Universität Osnabrück, Barbarastr. 7, Osnabrück 49076, Germany
| | - Jonas Klein
- Institut für Chemie neuer Materialien and CellNanOs, Universität Osnabrück, Barbarastr. 7, Osnabrück 49076, Germany
| | - Jannis Thien
- Department of Physics, Universität Osnabrück, Barbarastr. 7, Osnabrück 49076, Germany
| | - Michael Philippi
- Institut für Chemie neuer Materialien and CellNanOs, Universität Osnabrück, Barbarastr. 7, Osnabrück 49076, Germany
| | - Markus Haase
- Institut für Chemie neuer Materialien and CellNanOs, Universität Osnabrück, Barbarastr. 7, Osnabrück 49076, Germany
| | - Joachim Wollschläger
- Department of Physics, Universität Osnabrück, Barbarastr. 7, Osnabrück 49076, Germany
| | - Martin Steinhart
- Institut für Chemie neuer Materialien and CellNanOs, Universität Osnabrück, Barbarastr. 7, Osnabrück 49076, Germany
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34
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Bozó É, Ervasti H, Halonen N, Shokouh SHH, Tolvanen J, Pitkänen O, Järvinen T, Pálvölgyi PS, Szamosvölgyi Á, Sápi A, Konya Z, Zaccone M, Montalbano L, De Brauwer L, Nair R, Martínez-Nogués V, San Vicente Laurent L, Dietrich T, Fernández de Castro L, Kordas K. Bioplastics and Carbon-Based Sustainable Materials, Components, and Devices: Toward Green Electronics. ACS APPLIED MATERIALS & INTERFACES 2021; 13:49301-49312. [PMID: 34609829 PMCID: PMC8532127 DOI: 10.1021/acsami.1c13787] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 09/21/2021] [Indexed: 11/29/2022]
Abstract
The continuously growing number of short-life electronics equipment inherently results in a massive amount of problematic waste, which poses risks of environmental pollution, endangers human health, and causes socioeconomic problems. Hence, to mitigate these negative impacts, it is our common interest to substitute conventional materials (polymers and metals) used in electronics devices with their environmentally benign renewable counterparts, wherever possible, while considering the aspects of functionality, manufacturability, and cost. To support such an effort, in this study, we explore the use of biodegradable bioplastics, such as polylactic acid (PLA), its blends with polyhydroxybutyrate (PHB) and composites with pyrolyzed lignin (PL), and multiwalled carbon nanotubes (MWCNTs), in conjunction with processes typical in the fabrication of electronics components, including plasma treatment, dip coating, inkjet and screen printing, as well as hot mixing, extrusion, and molding. We show that after a short argon plasma treatment of the surface of hot-blown PLA-PHB blend films, percolating networks of single-walled carbon nanotubes (SWCNTs) having sheet resistance well below 1 kΩ/□ can be deposited by dip coating to make electrode plates of capacitive touch sensors. We also demonstrate that the bioplastic films, as flexible dielectric substrates, are suitable for depositing conductive micropatterns of SWCNTs and Ag (1 kΩ/□ and 1 Ω/□, respectively) by means of inkjet and screen printing, with potential in printed circuit board applications. In addition, we exemplify compounded and molded composites of PLA with PL and MWCNTs as excellent candidates for electromagnetic interference shielding materials in the K-band radio frequencies (18.0-26.5 GHz) with shielding effectiveness of up to 40 and 46 dB, respectively.
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Affiliation(s)
- Éva Bozó
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Henri Ervasti
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Niina Halonen
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Seyed Hossein Hosseini Shokouh
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Jarkko Tolvanen
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Olli Pitkänen
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Topias Järvinen
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Petra S. Pálvölgyi
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
| | - Ákos Szamosvölgyi
- Department
of Applied and Environmental Chemistry, University of Szeged, Rerrich B. tér 1, Szeged 6720, Hungary
- MTA-SZTE
Reaction Kinetics and Surface Chemistry Research Group, University of Szeged, Rerrich B. tér 1, Szeged 6720, Hungary
| | - András Sápi
- Department
of Applied and Environmental Chemistry, University of Szeged, Rerrich B. tér 1, Szeged 6720, Hungary
- MTA-SZTE
Reaction Kinetics and Surface Chemistry Research Group, University of Szeged, Rerrich B. tér 1, Szeged 6720, Hungary
| | - Zoltan Konya
- Department
of Applied and Environmental Chemistry, University of Szeged, Rerrich B. tér 1, Szeged 6720, Hungary
- MTA-SZTE
Reaction Kinetics and Surface Chemistry Research Group, University of Szeged, Rerrich B. tér 1, Szeged 6720, Hungary
| | - Marta Zaccone
- Proplast—Consorzio
per la Promozione della Cultura Plastica, Via Roberto di Ferro, 86, 15122 Alessandria (AL), Italy
| | - Luana Montalbano
- Proplast—Consorzio
per la Promozione della Cultura Plastica, Via Roberto di Ferro, 86, 15122 Alessandria (AL), Italy
| | - Laurens De Brauwer
- Bio
Base Europe Pilot Plant VZW, Rodenhuizekaai 1, 9042 Desteldonk (Gent), Belgium
| | - Rakesh Nair
- Bio
Base Europe Pilot Plant VZW, Rodenhuizekaai 1, 9042 Desteldonk (Gent), Belgium
| | | | - Leire San Vicente Laurent
- TECNALIA,
Basque Research and Technology Alliance (BRTA), Health Division, Parque
Tecnológico de Álava, Leonardo Da Vinci, 11, E-01510 Miñano, Araba, Spain
| | - Thomas Dietrich
- TECNALIA,
Basque Research and Technology Alliance (BRTA), Health Division, Parque
Tecnológico de Álava, Leonardo Da Vinci, 11, E-01510 Miñano, Araba, Spain
| | - Laura Fernández de Castro
- TECNALIA,
Basque Research and Technology Alliance (BRTA), Health Division, Parque
Tecnológico de Álava, Leonardo Da Vinci, 11, E-01510 Miñano, Araba, Spain
| | - Krisztian Kordas
- Microelectronics
Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, PO Box 4500, FI-90570 Oulu, Finland
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35
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Gebremichael ZT, Alam S, Cefarin N, Pozzato A, Yohannes T, Schubert US, Hoppe H, Tormen M. Controlling Metal Halide Perovskite Crystal Growth via Microcontact Printed Hydrophobic‐Hydrophilic Templates. CRYSTAL RESEARCH AND TECHNOLOGY 2021. [DOI: 10.1002/crat.202100121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zekarias Teklu Gebremichael
- Laboratory of Organic and Macromolecular Chemistry (IOMC) Friedrich Schiller University Jena Humboldtstr. 10 Jena 07743 Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena Philosophenweg 7a Jena 07743 Germany
- Department of Chemistry Addis Ababa University 4 killo King George VI Addis Ababa 1176 Ethiopia
- IOM‐CNR Area Science Park, Basovizza, S.S. 14, Km. 163.5 Trieste 34149 Italy
| | - Shahidul Alam
- Laboratory of Organic and Macromolecular Chemistry (IOMC) Friedrich Schiller University Jena Humboldtstr. 10 Jena 07743 Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena Philosophenweg 7a Jena 07743 Germany
| | - Nicola Cefarin
- University of Trieste Piazzale Europa Trieste 134127 Italy
- ThunderNIL s.r.l. via Ugo Foscolo 8 Padova 35131 Italy
| | | | - Teketel Yohannes
- Department of Chemistry Addis Ababa University 4 killo King George VI Addis Ababa 1176 Ethiopia
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC) Friedrich Schiller University Jena Humboldtstr. 10 Jena 07743 Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena Philosophenweg 7a Jena 07743 Germany
| | - Harald Hoppe
- Laboratory of Organic and Macromolecular Chemistry (IOMC) Friedrich Schiller University Jena Humboldtstr. 10 Jena 07743 Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena Philosophenweg 7a Jena 07743 Germany
| | - Massimo Tormen
- IOM‐CNR Area Science Park, Basovizza, S.S. 14, Km. 163.5 Trieste 34149 Italy
- ThunderNIL s.r.l. via Ugo Foscolo 8 Padova 35131 Italy
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36
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Grubb ML, Caliari SR. Fabrication approaches for high-throughput and biomimetic disease modeling. Acta Biomater 2021; 132:52-82. [PMID: 33716174 PMCID: PMC8433272 DOI: 10.1016/j.actbio.2021.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 02/15/2021] [Accepted: 03/02/2021] [Indexed: 12/24/2022]
Abstract
There is often a tradeoff between in vitro disease modeling platforms that capture pathophysiologic complexity and those that are amenable to high-throughput fabrication and analysis. However, this divide is closing through the application of a handful of fabrication approaches-parallel fabrication, automation, and flow-driven assembly-to design sophisticated cellular and biomaterial systems. The purpose of this review is to highlight methods for the fabrication of high-throughput biomaterial-based platforms and showcase examples that demonstrate their utility over a range of throughput and complexity. We conclude with a discussion of future considerations for the continued development of higher-throughput in vitro platforms that capture the appropriate level of biological complexity for the desired application. STATEMENT OF SIGNIFICANCE: There is a pressing need for new biomedical tools to study and understand disease. These platforms should mimic the complex properties of the body while also permitting investigation of many combinations of cells, extracellular cues, and/or therapeutics in high-throughput. This review summarizes emerging strategies to fabricate biomimetic disease models that bridge the gap between complex tissue-mimicking microenvironments and high-throughput screens for personalized medicine.
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Affiliation(s)
- Mackenzie L Grubb
- Department of Biomedical Engineering, University of Virginia, Unites States
| | - Steven R Caliari
- Department of Biomedical Engineering, University of Virginia, Unites States; Department of Chemical Engineering, University of Virginia, Unites States.
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37
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van der Putten C, Buskermolen ABC, Werner M, Brouwer HFM, Bartels PAA, Dankers PYW, Bouten CVC, Kurniawan NA. Protein Micropatterning in 2.5D: An Approach to Investigate Cellular Responses in Multi-Cue Environments. ACS APPLIED MATERIALS & INTERFACES 2021; 13:25589-25598. [PMID: 34032413 PMCID: PMC8193632 DOI: 10.1021/acsami.1c01984] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 05/12/2021] [Indexed: 05/22/2023]
Abstract
The extracellular microenvironment is an important regulator of cell functions. Numerous structural cues present in the cellular microenvironment, such as ligand distribution and substrate topography, have been shown to influence cell behavior. However, the roles of these cues are often studied individually using simplified, single-cue platforms that lack the complexity of the three-dimensional, multi-cue environment cells encounter in vivo. Developing ways to bridge this gap, while still allowing mechanistic investigation into the cellular response, represents a critical step to advance the field. Here, we present a new approach to address this need by combining optics-based protein patterning and lithography-based substrate microfabrication, which enables high-throughput investigation of complex cellular environments. Using a contactless and maskless UV-projection system, we created patterns of extracellular proteins (resembling contact-guidance cues) on a two-and-a-half-dimensional (2.5D) cell culture chip containing a library of well-defined microstructures (resembling topographical cues). As a first step, we optimized experimental parameters of the patterning protocol for the patterning of protein matrixes on planar and non-planar (2.5D cell culture chip) substrates and tested the technique with adherent cells (human bone marrow stromal cells). Next, we fine-tuned protein incubation conditions for two different vascular-derived human cell types (myofibroblasts and umbilical vein endothelial cells) and quantified the orientation response of these cells on the 2.5D, physiologically relevant multi-cue environments. On concave, patterned structures (curvatures between κ = 1/2500 and κ = 1/125 μm-1), both cell types predominantly oriented in the direction of the contact-guidance pattern. In contrast, for human myofibroblasts on micropatterned convex substrates with higher curvatures (κ ≥ 1/1000 μm-1), the majority of cells aligned along the longitudinal direction of the 2.5D features, indicating that these cells followed the structural cues from the substrate curvature instead. These findings exemplify the potential of this approach for systematic investigation of cellular responses to multiple microenvironmental cues.
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Affiliation(s)
- Cas van der Putten
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Antonetta B. C. Buskermolen
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Maike Werner
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Hannah F. M. Brouwer
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Paul A. A. Bartels
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Patricia Y. W. Dankers
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Carlijn V. C. Bouten
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Nicholas A. Kurniawan
- Department
of Biomedical Engineering, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- . Phone: +31-40-2472347
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Akarsu P, Grobe R, Nowaczyk J, Hartlieb M, Reinicke S, Böker A, Sperling M, Reifarth M. Solid-Phase Microcontact Printing for Precise Patterning of Rough Surfaces: Using Polymer-Tethered Elastomeric Stamps for the Transfer of Reactive Silanes. ACS APPLIED POLYMER MATERIALS 2021; 3:2420-2431. [PMID: 34056615 PMCID: PMC8154209 DOI: 10.1021/acsapm.1c00024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 03/24/2021] [Indexed: 06/02/2023]
Abstract
We present a microcontact printing (μCP) routine suitable to introduce defined (sub-) microscale patterns on surface substrates exhibiting a high capillary activity and receptive to a silane-based chemistry. This is achieved by transferring functional trivalent alkoxysilanes, such as (3-aminopropyl)-triethoxysilane (APTES) as a low-molecular weight ink via reversible covalent attachment to polymer brushes grafted from elastomeric polydimethylsiloxane (PDMS) stamps. The brushes consist of poly{N-[tris(hydroxymethyl)-methyl]acrylamide} (PTrisAAm) synthesized by reversible addition-fragmentation chain-transfer (RAFT)-polymerization and used for immobilization of the alkoxysilane-based ink by substituting the alkoxy moieties with polymer-bound hydroxyl groups. Upon physical contact of the silane-carrying polymers with surfaces, the conjugated silane transfers to the substrate, thus completely suppressing ink-flow and, in turn, maximizing printing accuracy even for otherwise not addressable substrate topographies. We provide a concisely conducted investigation on polymer brush formation using atomic force microscopy (AFM) and ellipsometry as well as ink immobilization utilizing two-dimensional proton nuclear Overhauser enhancement spectroscopy (1H-1H-NOESY-NMR). We analyze the μCP process by printing onto Si-wafers and show how even distinctively rough surfaces can be addressed, which otherwise represent particularly challenging substrates.
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Affiliation(s)
- Pinar Akarsu
- Fraunhofer
Institute for Applied Polymer Research (IAP) Geiselbergstr. 69, 14476 Potsdam, Germany
- Chair
of Polymer Materials and Polymer Technologies, University of Potsdam, D-14476 Potsdam-Golm, Germany
| | - Richard Grobe
- Fraunhofer
Institute for Applied Polymer Research (IAP) Geiselbergstr. 69, 14476 Potsdam, Germany
| | - Julius Nowaczyk
- Fraunhofer
Institute for Applied Polymer Research (IAP) Geiselbergstr. 69, 14476 Potsdam, Germany
- Chair
of Polymer Materials and Polymer Technologies, University of Potsdam, D-14476 Potsdam-Golm, Germany
| | - Matthias Hartlieb
- Chair
of Polymer Materials and Polymer Technologies, University of Potsdam, D-14476 Potsdam-Golm, Germany
| | - Stefan Reinicke
- Fraunhofer
Institute for Applied Polymer Research (IAP) Geiselbergstr. 69, 14476 Potsdam, Germany
| | - Alexander Böker
- Fraunhofer
Institute for Applied Polymer Research (IAP) Geiselbergstr. 69, 14476 Potsdam, Germany
- Chair
of Polymer Materials and Polymer Technologies, University of Potsdam, D-14476 Potsdam-Golm, Germany
| | - Marcel Sperling
- Fraunhofer
Institute for Applied Polymer Research (IAP) Geiselbergstr. 69, 14476 Potsdam, Germany
| | - Martin Reifarth
- Fraunhofer
Institute for Applied Polymer Research (IAP) Geiselbergstr. 69, 14476 Potsdam, Germany
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39
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Handrea-Dragan M, Botiz I. Multifunctional Structured Platforms: From Patterning of Polymer-Based Films to Their Subsequent Filling with Various Nanomaterials. Polymers (Basel) 2021; 13:445. [PMID: 33573248 PMCID: PMC7866561 DOI: 10.3390/polym13030445] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 12/20/2022] Open
Abstract
There is an astonishing number of optoelectronic, photonic, biological, sensing, or storage media devices, just to name a few, that rely on a variety of extraordinary periodic surface relief miniaturized patterns fabricated on polymer-covered rigid or flexible substrates. Even more extraordinary is that these surface relief patterns can be further filled, in a more or less ordered fashion, with various functional nanomaterials and thus can lead to the realization of more complex structured architectures. These architectures can serve as multifunctional platforms for the design and the development of a multitude of novel, better performing nanotechnological applications. In this work, we aim to provide an extensive overview on how multifunctional structured platforms can be fabricated by outlining not only the main polymer patterning methodologies but also by emphasizing various deposition methods that can guide different structures of functional nanomaterials into periodic surface relief patterns. Our aim is to provide the readers with a toolbox of the most suitable patterning and deposition methodologies that could be easily identified and further combined when the fabrication of novel structured platforms exhibiting interesting properties is targeted.
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Affiliation(s)
- Madalina Handrea-Dragan
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Str. 400271 Cluj-Napoca, Romania;
- Faculty of Physics, Babes-Bolyai University, 1 M. Kogalniceanu Str. 400084 Cluj-Napoca, Romania
| | - Ioan Botiz
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Str. 400271 Cluj-Napoca, Romania;
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40
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Choi Y, Song Y, Kim YT, Lee SJ, Lee KG, Im SG. Multifunctional Printable Micropattern Array for Digital Nucleic Acid Assay for Microbial Pathogen Detection. ACS APPLIED MATERIALS & INTERFACES 2021; 13:3098-3108. [PMID: 33423455 DOI: 10.1021/acsami.0c16862] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The digital nucleic acid assay is a precise, sensitive, and reproducible method for determining the presence of individual target molecules separated in designated partitions; thus, this technique can be used for the nucleic acid detection. Here, we propose a multifunctional micropattern array capable of isolating individual target molecules into partitions and simultaneous on-site cell lysis to achieve a direct DNA extraction and digitized quantification thereof. The multifunctional micropattern array is fabricated by the deposition of a copolymer film, poly(2-dimethylaminomethyl styrene-co-hydroxyethyl methacrylate) (pDH), directly on a microfluidic chip surface via the photoinitiated chemical vapor deposition process, followed by hydrophobic microcontact printing (μCP) to define each partition for the nucleic acid isolation. The pDH layer is a positively charged surface, which is desirable for the bacterial lysis and DNA capture, while showing exceptional water stability for more than 24 h. The hydrophobic μCP-treated pDH surface is stable under aqueous conditions at a high temperature (70 °C) for 1 h and enables the rapid and reliable formation of thousands of sessile microdroplets for the compartmentalization of an aqueous sample solution without involving bulky and costly microfluidic devices. By assembling the multifunctional micropattern array into the microfluidic chip, the isothermal amplification in each partition can detect DNA templates over a concentration range of 0.01-2 ng/μL. The untreated bacterial cells can also be directly compartmentalized via the microdroplet formation, followed by the on-site cell lysis and DNA capture on the compartmentalized pDH surface. For Escherichia coli O157:H7, Salmonella enteritidis, and Staphylococcus aureus cells, cell numbers ranging from 1.4 × 104 to 1.4 × 107 can be distinguished by using the multifunctional micropattern array, regardless of the cell type. The multifunctional micropattern array developed in this study provides a novel multifunctional compartmentalization method for rapid, simple, and accurate digital nucleic acid assays.
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Affiliation(s)
- Yunho Choi
- Department of Chemical & Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Younseong Song
- Department of Chemical & Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Yong Tae Kim
- Department of Chemical Engineering & Biotechnology, Korea Polytechnic University, 237 Sangidaehak-ro, Siheung-si, Gyeonggi-do 15073, Republic of Korea
| | - Seok Jae Lee
- National Nanofab Center, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Kyoung G Lee
- National Nanofab Center, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Sung Gap Im
- Department of Chemical & Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
- KAIST Institute for NanoCentury, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
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41
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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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42
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Nakayama M, Toyoshima Y, Kikuchi A, Okano T. Micropatterned Smart Culture Surfaces via Multi-Step Physical Coating of Functional Block Copolymers for Harvesting Cell Sheets with Controlled Sizes and Shapes. Macromol Biosci 2020; 21:e2000330. [PMID: 33369185 DOI: 10.1002/mabi.202000330] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 12/09/2020] [Indexed: 11/08/2022]
Abstract
Cell micropatterning on micropatterned thermoresponsive polymer-based culture surfaces facilitates the creation of on-demand and functional cell sheets. However, the fabrication of micropatterned surfaces generally includes complicated procedures with multi-step chemical reactions. To overcome this issue, this study proposes a facile preparation of micropatterned thermoresponsive surfaces via a two-step physical coating of two different diblock copolymers. Both copolymers contain poly(butyl methacrylate) blocks as hydrophobic anchors for water-stable polymer deposition. At first, thermoresponsive polymer layers are constructed on cell culture dishes via spin-coating block copolymers containing poly(N-isopropylacrylamide) blocks that exhibit a transition temperature of ≈30 °C in aqueous media. To create polymer micropatterns on the thermoresponsive surfaces, microcontact printing of block copolymers containing hydrophilic poly(N-acryloylmorpholine) (PNAM) blocks is performed using polydimethylsiloxane stamps. Stamped PNAM-based block polymers are adsorbed to the outermost thermoresponsive surfaces, and increase the surface hydrophilicity with decreasing protein adsorption. Cells adhere and proliferate on the thermoresponsive domains at 37 °C, whereas the stamped hydrophilic domains remain cell-repellent for 7 days. At 20 °C, cell sheets with controlled sizes and shapes are harvested from the surfaces with the desired micropatterns. This technique is useful for the preparation of micropatterned polymer surfaces for various biomedical applications.
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Affiliation(s)
- Masamichi Nakayama
- Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
| | - Yuki Toyoshima
- Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo, 125-8585, Japan
| | - Akihiko Kikuchi
- Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo, 125-8585, Japan
| | - Teruo Okano
- Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
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43
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Antibody Printing Technologies. Methods Mol Biol 2020. [PMID: 33237416 DOI: 10.1007/978-1-0716-1064-0_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Antibody microarrays are routinely employed in the lab and in the clinic for studying protein expression, protein-protein, and protein-drug interactions. The microarray format reduces the size scale at which biological and biochemical interactions occur, leading to large reductions in reagent consumption and handling times while increasing overall experimental throughput. Specifically, antibody microarrays, as a platform, offer a number of different advantages over traditional techniques in the areas of drug discovery and diagnostics. While a number of different techniques and approaches have been developed for creating micro and nanoscale antibody arrays, issues relating to sensitivity, cost, and reproducibility persist. The aim of this review is to highlight current state-of the-art techniques and approaches for creating antibody arrays by providing latest accounts of the field while discussing potential future directions.
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Wu CT, Utsunomiya T, Ichii T, Sugimura H. Microstructured SiO x/COP Stamps for Patterning TiO 2 on Polymer Substrates via Microcontact Printing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:10933-10940. [PMID: 32864972 DOI: 10.1021/acs.langmuir.0c01558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Microcontact printing (μCP) techniques have sparked a surge of interests in microfabrication since they help produce arrays on a wide range of target substrates in a facile and efficient manner. Polydimethylsiloxane (PDMS), as a well-established material for stamps, has constraints resulting from its hydrophobicity and softness, and the replication of PDMS stamps usually requires rigid masters or processes using a photoresist. Herein, a novel μCP stamp based on cyclo-olefin polymer (COP) is produced through vacuum ultraviolet (VUV) lithography. 2,4,6,8-Tetramethylcyclotetrasiloxane is selectively deposited at the affinity-patterns on the COP surface, and these patterned siloxane films are converted into SiOx meanwhile protecting the COP beneath them from the VUV photoetching. By this means, a patterned relief is fabricated on the COP plates, resulting in a hydrophilic SiOx/COP μCP stamp with punch heights of ∼180 nm. The novelty arises from the simplicity of the master- and photoresist-free microstructuring, and the higher stiffness of SiOx/COP stamps prevents the deformation during pressing. Finally, an example μCP is given to transfer titania precursor gel and produce TiO2 micropatterns on flexible polymer substrates. The SiOx/COP stamps and the μCP of TiO2 provide simple and cost-effective patterning techniques, which should contribute to the future design and creation of flexible devices.
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Affiliation(s)
- Cheng-Tse Wu
- Department of Materials Science and Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Toru Utsunomiya
- Department of Materials Science and Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Takashi Ichii
- Department of Materials Science and Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Hiroyuki Sugimura
- Department of Materials Science and Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
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45
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Effect of design geometry, exposure energy, cytophilic molecules, cell type and load in fabrication of single-cell arrays using micro-contact printing. Sci Rep 2020; 10:15213. [PMID: 32938987 PMCID: PMC7494944 DOI: 10.1038/s41598-020-72080-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 08/20/2020] [Indexed: 02/06/2023] Open
Abstract
In this study a range of factors influencing the fabrication of single-cell arrays (SCAs) are identified and investigated. Micro-contact printing was used to introduce spots coated with polyethyleneimine or Matrigel on glass surfaces pre-coated with polyethylene glycol. Unmodified E. coli, Synechococcus sp., Chlamydomonas reinhardtii as well as diverse mammalian cells including HUVEC, AAV293, U87, OHS, PC3, SW480, HepG2 and AY-27 were successfully immobilised onto the chemically coated spots. The developed SCAs show high cell viability and probability for capturing single-cells. A discrepancy between the size and shape of the squares described in the design file and the actual structures obtained in the final PDMS structure is characterised and quantified. The discrepancy is found to be depending on the exposure energy used in the photolithography process as well as the size of the squares and their separation distance as detailed in the design file. In addition to these factors, the effect of the cell density loaded onto the patterned surfaces is also characterised. The systematic characterisation of key parameters that need to be optimised prior to the fabrication of SCAs is essential in order to increase the efficiency and reproducibility of future fabrication of SCAs for single-cell studies.
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46
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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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47
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Zhao JJ, Wang W, Wang F, Zhao Y, Cai QW, Xie R, Ju XJ, Liu Z, Faraj Y, Chu LY. Smart Hydrogel Grating Immunosensors for Highly Selective and Sensitive Detection of Human-IgG. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00780] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jia-Jia Zhao
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Wei Wang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Fang Wang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Yu Zhao
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Quan-Wei Cai
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Rui Xie
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Xiao-Jie Ju
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Zhuang Liu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Yousef Faraj
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Liang-Yin Chu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China
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Vermeulen S, de Boer J. Screening as a strategy to drive regenerative medicine research. Methods 2020; 190:80-95. [PMID: 32278807 DOI: 10.1016/j.ymeth.2020.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/30/2020] [Accepted: 04/06/2020] [Indexed: 02/07/2023] Open
Abstract
In the field of regenerative medicine, optimization of the parameters leading to a desirable outcome remains a huge challenge. Examples include protocols for the guided differentiation of pluripotent cells towards specialized and functional cell types, phenotypic maintenance of primary cells in cell culture, or engineering of materials for improved tissue interaction with medical implants. This challenge originates from the enormous design space for biomaterials, chemical and biochemical compounds, and incomplete knowledge of the guiding biological principles. To tackle this challenge, high-throughput platforms allow screening of multiple perturbations in one experimental setup. In this review, we provide an overview of screening platforms that are used in regenerative medicine. We discuss their fabrication techniques, and in silico tools to analyze the extensive data sets typically generated by these platforms.
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Affiliation(s)
- Steven Vermeulen
- Laboratory for Cell Biology-Inspired Tissue Engineering, MERLN Institute, University of Maastricht, Maastricht, the Netherlands; BioInterface Science Group, Department of Biomedical Engineering and Institute for Complex Molecular Systems, University of Eindhoven, Eindhoven, the Netherlands
| | - Jan de Boer
- BioInterface Science Group, Department of Biomedical Engineering and Institute for Complex Molecular Systems, University of Eindhoven, Eindhoven, the Netherlands.
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Highly Modular Protein Micropatterning Sheds Light on the Role of Clathrin-Mediated Endocytosis for the Quantitative Analysis of Protein-Protein Interactions in Live Cells. Biomolecules 2020; 10:biom10040540. [PMID: 32252486 PMCID: PMC7225972 DOI: 10.3390/biom10040540] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/28/2020] [Accepted: 03/30/2020] [Indexed: 01/06/2023] Open
Abstract
Protein micropatterning is a powerful tool for spatial arrangement of transmembrane and intracellular proteins in living cells. The restriction of one interaction partner (the bait, e.g., the receptor) in regular micropatterns within the plasma membrane and the monitoring of the lateral distribution of the bait’s interaction partner (the prey, e.g., the cytosolic downstream molecule) enables the in-depth examination of protein-protein interactions in a live cell context. This study reports on potential pitfalls and difficulties in data interpretation based on the enrichment of clathrin, which is a protein essential for clathrin-mediated receptor endocytosis. Using a highly modular micropatterning approach based on large-area micro-contact printing and streptavidin-biotin-mediated surface functionalization, clathrin was found to form internalization hotspots within the patterned areas, which, potentially, leads to unspecific bait/prey protein co-recruitment. We discuss the consequences of clathrin-coated pit formation on the quantitative analysis of relevant protein-protein interactions, describe controls and strategies to prevent the misinterpretation of data, and show that the use of DNA-based linker systems can lead to the improvement of the technical platform.
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50
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Pattison TG, Spanu A, Friz AM, Fu Q, Miller RD, Qiao GG. Growing Patterned, Cross-linked Nanoscale Polymer Films from Organic and Inorganic Surfaces Using Ring-Opening Metathesis Polymerization. ACS APPLIED MATERIALS & INTERFACES 2020; 12:4041-4051. [PMID: 31741381 DOI: 10.1021/acsami.9b15852] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The ability to modify substrates with thin polymer films allows for the tailoring of surface properties, and through combination of patterning finds use in a large variety of applications such as electronics and lab-on-chip devices. Although many techniques can be used to afford polymer-modified surfaces such as surface-initiated polymerization or layer-by-layer methodologies, their stability in a wide range of environments as well as their ability to target specific chemistry are critical factors to enable their successful application. In this paper, we report a facile technique in creating nanoscale polymer thin films using solid-state continuous assembly of polymers via ring-opening metathesis polymerization (ssCAPROMP) directly from surfaces functionalized through silanization. Using a polymeric precursor that includes norbornene moieties, a highly dense cross-linked network of polymer can be grown in a bottom-up fashion to afford thin films from an olefin-terminated silanized planar surface. Such nanotechnology affords films retaining the desirable qualities of previously reported methods while, at the same time, being covalently bound to the substrate: they are virtually pinhole free and can be reinitiated multiple times. By combining this process with microcontact printing, patterned films can be created by either the patterned deposition of a catalyst or by controlling the surface silanization chemistry and placement of olefin-terminated and nonreactive silanes. Additionally, patterned ssCAPROMP films were grown from SU-8 by selectively functionalizing the surface through masking and lift-off processes after the silanization step, thereby spatially controlling the surface-initiation, and subsequent polymer film formation. These patterned films expand the capabilities of the CAPROMP process and offer advantages over other film formation techniques in processes where patterned substrates and modified but robust surface chemistries are utilized.
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Affiliation(s)
- Thomas G Pattison
- Polymer Science Group, Department of Chemical Engineering , The University of Melbourne , Parkville , Victoria 3010 , Australia
- International Business Machines-Almaden Research Center , 650 Harry Road , San Jose , California 95110 , United States
| | - Andrea Spanu
- Department of Electrical and Electronic Engineering , University of Cagliari , via Marengo , 09123 Cagliari , Italy
| | - Alexander M Friz
- International Business Machines-Almaden Research Center , 650 Harry Road , San Jose , California 95110 , United States
| | - Qiang Fu
- Polymer Science Group, Department of Chemical Engineering , The University of Melbourne , Parkville , Victoria 3010 , Australia
- The Centre for Technology in Water and Wastewater (CTWW), School of Civil and Environmental Engineering , University of Technology Sydney , Ultimo , NSW 2007 Australia
| | - Robert D Miller
- International Business Machines-Almaden Research Center , 650 Harry Road , San Jose , California 95110 , United States
| | - Greg G Qiao
- Polymer Science Group, Department of Chemical Engineering , The University of Melbourne , Parkville , Victoria 3010 , Australia
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