1
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Halmagyi TG, Alsharif NB, Berkal MA, Hempenius MA, Szilagyi I, Vancso GJ, Nardin C. Aptamer Clicked Poly(ferrocenylsilanes) at Au Nanoparticles as Platforms with Multiple Function [†]. Chemistry 2024; 30:e202303979. [PMID: 38206093 DOI: 10.1002/chem.202303979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/10/2024] [Accepted: 01/10/2024] [Indexed: 01/12/2024]
Abstract
Aptamers are widely used in biosensing due to their specific sensitivity toward many targets. Thus, gold nanoparticle (AuNP) aptasensors are subject to intense research due to the complementary properties of aptamers as sensing elements and AuNPs as transducers. We present herein a novel method for the functional coupling of thrombin-specific aptamers to AuNPs via an anionic, redox-active poly(ferrocenylsilane) (PFS) polyelectroyte. The polymer acts as a co-reductant and stabilizer for the AuNPs, provides grafting sites for the aptamer, and can be used as a redox sensing element, making the aptamer-PFS-AuNP composite (aptamer-AuNP) a promising model system for future multifunctional sensors. The aptamer-AuNPs exhibit excellent colloidal stability in high ionic strength environments owing to the combined electrosteric stabilizing effects of the aptamer and the PFS. The synthesis of each assembly element is described, and the colloidal stability and redox responsiveness are studied. As an example to illustrate applications, we present results for thrombin sensitivity and specificity using the specific aptamer.
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Affiliation(s)
- Tibor G Halmagyi
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour F-, 64053, Pau, France
| | - Nizar B Alsharif
- MTA-SZTE Momentum Biocolloids Research Group, Department of Physical Chemistry and Materials Science, Interdisciplinary Research Center, University of Szeged H-, 6720, Szeged, Hungary
| | - Mohamed A Berkal
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour F-, 64053, Pau, France
| | - Mark A Hempenius
- Sustainable Polymer Chemistry, University of Twente NL-, 7522NB, Enschede, the Netherlands
| | - Istvan Szilagyi
- MTA-SZTE Momentum Biocolloids Research Group, Department of Physical Chemistry and Materials Science, Interdisciplinary Research Center, University of Szeged H-, 6720, Szeged, Hungary
| | - G Julius Vancso
- Sustainable Polymer Chemistry, University of Twente NL-, 7522NB, Enschede, the Netherlands
| | - Corinne Nardin
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour F-, 64053, Pau, France
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2
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Langer F, Yin S, Duvigneau J, Vancso GJ, Benson N. Suppression of the Coffee Ring Effect in a Single Solvent-Based Silicon Nanoparticle Ink. ACS Appl Mater Interfaces 2024; 16:4242-4248. [PMID: 38193452 DOI: 10.1021/acsami.3c16316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Silicon (Si) is made printable by dispersing Si nanoparticles in a single organic solvent. Viscoelastic properties of the prepared inks as well as the uniformity of inkjet-printed thin films are investigated in dependence on the Si volume fraction. It has been demonstrated that no ink additives are needed to completely suppress the occurrence of the coffee ring effect. This is obtained by increasing the ink's volume fraction to induce gelation in order to generate elasticity. The printability of our inks is investigated in terms of Weber, Reynolds, and Ohnesorge numbers and found to be maintained even at high particle loads due to shear-thinning viscosity behavior. When printed onto tungsten (W) substrates, Si inks with ϕ(Si) = 0.4% and ϕ(Si) = 2.1% leave a ring stain after drying, whereas coffee rings are absent for inks with ϕ(Si) = 3.0% and above. The reason for this is a significant ink elasticity achieved by the buildup of a gel network for higher particle loads, which leads to thixotropy-like properties. These are low viscosity for printability and elevated elasticity during ink drying, made possible by a breakup of the gel network during drop formation in conjunction with a rapid network reformation after deposition.
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Affiliation(s)
- Fabian Langer
- Institute of Technologies for Nanostructures (NST), University of Duisburg-Essen and CENIDE, Duisburg D-47048, Germany
| | - Sida Yin
- Materials Science and Technology of Polymers and Sustainable Polymer Chemistry, University of Twente, Enschede 7522 NB, The Netherlands
| | - Joost Duvigneau
- Materials Science and Technology of Polymers and Sustainable Polymer Chemistry, University of Twente, Enschede 7522 NB, The Netherlands
| | - G Julius Vancso
- Materials Science and Technology of Polymers and Sustainable Polymer Chemistry, University of Twente, Enschede 7522 NB, The Netherlands
| | - Niels Benson
- Institute of Technologies for Nanostructures (NST), University of Duisburg-Essen and CENIDE, Duisburg D-47048, Germany
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3
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Kafkopoulos G, Karakurt E, Martinho RP, Duvigneau J, Vancso GJ. Engineering of Adhesion at Metal-Poly(lactic acid) Interfaces by Poly(dopamine): The Effect of the Annealing Temperature. ACS Appl Polym Mater 2023; 5:5370-5380. [PMID: 37469884 PMCID: PMC10353006 DOI: 10.1021/acsapm.3c00672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/08/2023] [Indexed: 07/21/2023]
Abstract
Control over adhesion at interfaces from strong bonding to release between thermoplastic polymers (TPs) and metal oxides is highly significant for polymer composites. In this work, we showcase a simple and inexpensive method to tune adhesion between a TP of growing interest, poly(lactic acid) (PLA), and two commercial metal alloys, based on titanium and stainless steel. This is realized by coating titanium and stainless steel wires with polydopamine (PDA), thermally treating them under vacuum at temperatures ranging from 25 to 250 °C, and then comolding them with PLA to form pullout specimens for adhesion tests. Pullout results indicate that PDA coatings treated at low temperatures up to a given threshold significantly improve adhesion between PLA and the metals. Conversely, at higher PDA annealing temperatures beyond the threshold, interfacial bonding gradually declines. The excellent control over interfacial adhesion is attributed to the thermally induced transformation of PDA. In this work, we show using thermogravimetric analysis, X-ray photoelectron spectroscopy, Fourier transform infrared, and 13C solid-state NMR that the extent of the thermal transformation is dependent on the annealing temperature. By selecting the annealing temperature, we vary the concentration of primary amine and hydroxyl groups in PDA, which influences adhesion at the metal/PLA interface. We believe that these findings contribute to optimizing and broadening the applications of PDA in composite materials.
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Affiliation(s)
- Georgios Kafkopoulos
- Department of Materials Science and Technology (MTP) of Polymers and Sustainable Polymer Chemistry (SPC), University of Twente, Enschede 7522 NB, The Netherlands
| | - Ezgi Karakurt
- Department of Materials Science and Technology (MTP) of Polymers and Sustainable Polymer Chemistry (SPC), University of Twente, Enschede 7522 NB, The Netherlands
| | - Ricardo P Martinho
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology, Faculty of Science and Technology, University of Twente, Enschede 7500 AE, The Netherlands
| | - Joost Duvigneau
- Department of Materials Science and Technology (MTP) of Polymers and Sustainable Polymer Chemistry (SPC), University of Twente, Enschede 7522 NB, The Netherlands
| | - G Julius Vancso
- Department of Materials Science and Technology (MTP) of Polymers and Sustainable Polymer Chemistry (SPC), University of Twente, Enschede 7522 NB, The Netherlands
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4
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Alsharif NB, Halmágyi TG, Hempenius MA, Vancso GJ, Nardin C, Szilagyi I. Dual functionality of ferrocene-based metallopolymers as radical scavengers and nanoparticle stabilizing agents. Nanoscale 2023. [PMID: 37395070 DOI: 10.1039/d3nr02063k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
The beneficial redox properties of ferrocene-based polymers have been utilized during in situ preparation of metallic nanoparticles, while such redox features also indicate a great promise in applications as free radical scavengers. Here, colloidal dispersions of an antioxidant nanozyme composed of amidine-functionalized polystyrene latex (AL) nanoparticles, negatively charged poly(ferrocenylsilane) (PFS(-)) organometallic polyions, and ascorbic acid (AA) were formulated. The AL was first functionalized with PFS(-). Increasing the polymer dose resulted in charge neutralization and subsequent charge reversal of the particles. The strength of repulsive interparticle forces of electrostatic nature was significant at low and high doses leading to stable colloids, while attractive forces dominated near the charge neutralization point giving rise to unstable dispersions. The saturated PFS(-) layer adsorbed on the surface of the AL (p-AL nanozyme) enhanced the colloidal stability against salt-induced aggregation without affecting the pH-dependent charge and size of the particles. The joint effect of PFS(-) and the AA in radical decomposition was observed indicating the antioxidant potential of the system. The immobilization of PFS(-) deteriorated its scavenging activity, yet the combination with AA improved this feature. The results indicate that p-AL-AA is a promising radical scavenger since the high colloidal stability of the particles allows application in heterogeneous systems, such as in industrial manufacturing processes, where antioxidants are required to maintain acceptable product quality.
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Affiliation(s)
- Nizar B Alsharif
- MTA-SZTE Lendület Biocolloids Research Group, Department of Physical Chemistry and Materials Science, Interdisciplinary Research Center, University of Szeged, H-6720 Szeged, Hungary.
| | - Tibor Gergo Halmágyi
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, F-64053 Pau, France
| | - Mark A Hempenius
- Sustainable Polymer Chemistry, University of Twente, NL-7522NB Enschede, the Netherlands
| | - G Julius Vancso
- Sustainable Polymer Chemistry, University of Twente, NL-7522NB Enschede, the Netherlands
| | - Corinne Nardin
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, F-64053 Pau, France
| | - Istvan Szilagyi
- MTA-SZTE Lendület Biocolloids Research Group, Department of Physical Chemistry and Materials Science, Interdisciplinary Research Center, University of Szeged, H-6720 Szeged, Hungary.
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5
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Drebezghova V, Hakil F, Grimaud R, Gojzewski H, Vancso GJ, Nardin C. Initial bacterial retention on polydimethylsiloxane of various stiffnesses: The relevance of modulus (mis)match. Colloids Surf B Biointerfaces 2022. [DOI: 10.1016/j.colsurfb.2022.112709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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6
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Vancso GJ, Ji J, Ishihara K, Martins MCL, Jiang S. Introduction to bioinspired surfaces engineering for biomaterials. J Mater Chem B 2022; 10:2277-2279. [PMID: 35342918 DOI: 10.1039/d2tb90044k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
G. Julius Vancso, Jian Ji, Kazuhiko Ishihara, M. Cristina L. Martins and Shaoyi Jiang introduce the Journal of Materials Chemistry B themed collection on bioinspired surfaces engineering for biomaterials.
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Affiliation(s)
- G Julius Vancso
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York, USA
| | - Jian Ji
- Department of Polymer Science and Engineering, Zhejiang University, 310027, Hangzhou, China
| | - Kazuhiko Ishihara
- Department of Materials Engineering, The University of Tokyo, Tokyo, Japan
| | - M Cristina L Martins
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Portugal
| | - Shaoyi Jiang
- University of Twente, Faculty of Science and Technology and MESA+ Institute for Nanotechnology, Enschede, Netherlands
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7
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Schulz A, Harteveld CAM, Vancso GJ, Huskens J, Cloetens P, Vos WL. Targeted Positioning of Quantum Dots Inside 3D Silicon Photonic Crystals Revealed by Synchrotron X-ray Fluorescence Tomography. ACS Nano 2022; 16:3674-3683. [PMID: 35187934 PMCID: PMC8945387 DOI: 10.1021/acsnano.1c06915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 01/19/2022] [Indexed: 06/14/2023]
Abstract
It is a major outstanding goal in nanotechnology to precisely position functional nanoparticles, such as quantum dots, inside a three-dimensional (3D) nanostructure in order to realize innovative functions. Once the 3D positioning is performed, the challenge arises how to nondestructively verify where the nanoparticles reside in the 3D nanostructure. Here, we study 3D photonic band gap crystals made of Si that are infiltrated with PbS nanocrystal quantum dots. The nanocrystals are covalently bonded to polymer brush layers that are grafted to the Si-air interfaces inside the 3D nanostructure using surface-initiated atom transfer radical polymerization (SI-ATRP). The functionalized 3D nanostructures are probed by synchrotron X-ray fluorescence (SXRF) tomography that is performed at 17 keV photon energy to obtain large penetration depths and efficient excitation of the elements of interest. Spatial projection maps were obtained followed by tomographic reconstruction to obtain the 3D atom density distribution with 50 nm voxel size for all chemical elements probed: Cl, Cr, Cu, Ga, Br, and Pb. The quantum dots are found to be positioned inside the 3D nanostructure, and their positions correlate with the positions of elements characteristic of the polymer brush layer and the ATRP initiator. We conclude that X-ray fluorescence tomography is very well suited to nondestructively characterize 3D nanomaterials with photonic and other functionalities.
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Affiliation(s)
- Andreas
S. Schulz
- Complex
Photonic Systems (COPS), MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
- Molecular
Nanofabrication (MNF), MESA+ Institute for Nanotechnology, University of Twente,
P.O. Box 217, 7500 AE Enschede, The Netherlands
- Materials
Science and Technology of Polymers (MTP), MESA+ Institute for Nanotechnology, University of Twente,
P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Cornelis A. M. Harteveld
- Complex
Photonic Systems (COPS), MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - G. Julius Vancso
- Materials
Science and Technology of Polymers (MTP), MESA+ Institute for Nanotechnology, University of Twente,
P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jurriaan Huskens
- Molecular
Nanofabrication (MNF), MESA+ Institute for Nanotechnology, University of Twente,
P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Peter Cloetens
- ESRF-The
European Synchrotron, CS40220, 38043 Grenoble, France
| | - Willem L. Vos
- Complex
Photonic Systems (COPS), MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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8
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Yao Y, Yu Y, Wan X, Yan D, Chen Y, Luo J, Vancso GJ, Zhang S. Azobenzene-Based Cross-Linked Small-Molecule Vesicles for Precise Oxidative Damage Treatments Featuring Controlled and Prompt Molecular Release. Chem Mater 2021. [DOI: 10.1021/acs.chemmater.1c01860] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Yongchao Yao
- College of Biomedical Engineering and National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yunlong Yu
- College of Biomedical Engineering and National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Xiaohui Wan
- College of Chemistry and Environmental Protection Engineering, Southwest Minzu University, Chengdu 610041, China
| | - Daoping Yan
- College of Chemistry and Environmental Protection Engineering, Southwest Minzu University, Chengdu 610041, China
| | - Ying Chen
- College of Biomedical Engineering and National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang 550025, China
| | - Jianbin Luo
- College of Chemistry and Environmental Protection Engineering, Southwest Minzu University, Chengdu 610041, China
| | - G. Julius Vancso
- Materials Science and Technology of Polymers, University of Twente, P.O. Box 217, Enschede 7500 AE, The Netherlands
| | - Shiyong Zhang
- College of Biomedical Engineering and National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
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9
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Kafkopoulos G, Padberg CJ, Duvigneau J, Vancso GJ. Adhesion Engineering in Polymer-Metal Comolded Joints with Biomimetic Polydopamine. ACS Appl Mater Interfaces 2021; 13:19244-19253. [PMID: 33848117 PMCID: PMC8153540 DOI: 10.1021/acsami.1c01070] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/01/2021] [Indexed: 06/12/2023]
Abstract
Joints that connect thermoplastic polymer matrices (TPMs) and metals, which are obtained by comolding, are of growing importance in numerous applications. The overall performance of these constructs is strongly impacted by the TPM-metal interfacial strength, which can be tuned by tailoring the surface chemistry of the metal prior to the comolding process. In the present work, a model TPM-metal system consisting of poly(methyl methacrylate) (PMMA) and titanium is used to prepare comolded joints. The interfacial adhesion is quantified by wire pullout experiments. Pullout tests prior to and following surface modification are performed and analyzed. Unmodified wires show poor interfacial strength, with a work of adhesion (Ga) value of 3.8 J m-2. To enhance interfacial adhesion, a biomimetic polydopamine (PDA) layer is first deposited on titanium followed by a second layer of a poly(methyl methacrylate-co-methacrylic acid) (P(MMA-co-MAA)) copolymer prior to comolding. During processing, the MAA moieties of the copolymer thermally react with PDA, forming amide bonds, while MMA promotes the formation of secondary bonds and molecular interdigitation with the PMMA matrix. Control testing reveals that neither PDA nor the copolymer provides a substantial increase in adhesion. However, when used in combination, a significant increase in adhesion is detected. This observation indicates a pronounced synergistic effect between the two layers that strengthens the PMMA-titanium bonding. Enhanced adhesion is optimized by tuning the MMA-to-MAA ratio of the copolymer, which shows a maximum at a 24% MAA content and a greatly increased Ga value of 155 J m-2; this value corresponds to a 40-fold increase. Further growth in the Ga values at higher MAA contents is hindered by the thermal cross-linking of MAA; MAA contents above 24% restrict the formation of secondary bonds and molecular interdigitation with the PMMA chains. Our results provide new design principles to produce thermoplastic-metal comolded joints with strong interfaces.
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Affiliation(s)
- Georgios Kafkopoulos
- Department of Materials Science
and Technology of Polymers, University of
Twente, Enschede 7522 NB, the Netherlands
| | - Clemens J. Padberg
- Department of Materials Science
and Technology of Polymers, University of
Twente, Enschede 7522 NB, the Netherlands
| | - Joost Duvigneau
- Department of Materials Science
and Technology of Polymers, University of
Twente, Enschede 7522 NB, the Netherlands
| | - G. Julius Vancso
- Department of Materials Science
and Technology of Polymers, University of
Twente, Enschede 7522 NB, the Netherlands
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10
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Liu S, de Beer S, Batenburg KM, Gojzewski H, Duvigneau J, Vancso GJ. Designer Core-Shell Nanoparticles as Polymer Foam Cell Nucleating Agents: The Impact of Molecularly Engineered Interfaces. ACS Appl Mater Interfaces 2021; 13:17034-17045. [PMID: 33784063 PMCID: PMC8153546 DOI: 10.1021/acsami.1c00569] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 03/12/2021] [Indexed: 05/27/2023]
Abstract
The interface between nucleating agents and polymers plays a pivotal role in heterogeneous cell nucleation in polymer foaming. We describe how interfacial engineering of nucleating particles by polymer shells impacts cell nucleation efficiency in CO2 blown polymer foams. Core-shell nanoparticles (NPs) with a 80 nm silica core and various polymer shells including polystyrene (PS), poly(dimethylsiloxane) (PDMS), poly(methyl methacrylate) (PMMA), and poly(acrylonitrile) (PAN) are prepared and used as heterogeneous nucleation agents to obtain CO2 blown PMMA and PS micro- and nanocellular foams. Fourier transform infrared spectroscopy, thermogravimetric analysis, and transmission electron microscopy are employed to confirm the successful synthesis of core-shell NPs. The cell size and cell density are determined by scanning electron microscopy. Silica NPs grafted with a thin PDMS shell layer exhibit the highest nucleation efficiency values, followed by PAN. The nucleation efficiency of PS- and PMMA-grafted NPs are comparable with the untreated particles and are significantly lower when compared to PDMS and PAN shells. Molecular dynamics simulations (MDS) are employed to better understand CO2 absorption and nucleation, in particular to study the impact of interfacial properties and CO2-philicity. The MDS results show that the incompatibility between particle shell layers and the polymer matrix results in immiscibility at the interface area, which leads to a local accumulation of CO2 at the interfaces. Elevated CO2 concentrations at the interfaces combined with the high interfacial tension (caused by the immiscibility) induce an energetically favorable cell nucleation process. These findings emphasize the importance of interfacial effects on cell nucleation and provide guidance for designing new, highly efficient nucleation agents in nanocellular polymer foaming.
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Affiliation(s)
- Shanqiu Liu
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500AE Enschede, the Netherlands
| | - Sissi de Beer
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500AE Enschede, the Netherlands
| | - Kevin M. Batenburg
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500AE Enschede, the Netherlands
| | - Hubert Gojzewski
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500AE Enschede, the Netherlands
| | - Joost Duvigneau
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500AE Enschede, the Netherlands
| | - G. Julius Vancso
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500AE Enschede, the Netherlands
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11
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Cheng H, Xiao D, Tang Y, Wang B, Feng X, Lu M, Vancso GJ, Sui X. Nanocellulose Sponges: Sponges with Janus Character from Nanocellulose: Preparation and Applications in the Treatment of Hemorrhagic Wounds (Adv. Healthcare Mater. 17/2020). Adv Healthc Mater 2020. [DOI: 10.1002/adhm.202070057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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12
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Cheng H, Xiao D, Tang Y, Wang B, Feng X, Lu M, Vancso GJ, Sui X. Sponges with Janus Character from Nanocellulose: Preparation and Applications in the Treatment of Hemorrhagic Wounds. Adv Healthc Mater 2020; 9:e1901796. [PMID: 32691995 DOI: 10.1002/adhm.201901796] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 07/03/2020] [Indexed: 02/04/2023]
Abstract
The development of a rapid and effective hemostatic dressing is highly desired in the treatment of hemorrhagic wounds. In this study, sponges with Janus character are developed using cellulose nanofibers (CNFs) that exhibit materials facets of different wettability characteristics using heterogeneous mixing and freeze-drying. The bonding of the interface between the hydrophilic and hydrophobic facets is achieved by using interpenetrating chemical cross-linking between CNFs and organosilanes. The hydrophilic layer absorbs water from blood and works synergistically with the inherent hemostatic chitosan-rich complementary layer to accelerate blood clotting, displaying both active and passive hemostatic mechanisms. The hydrophobic layer prevents blood penetration into the construct and exerts proper pressure on the wound. Compared with the hydrophilic control samples and commercial gauzes, the Janus sponges can achieve effective bleeding control with nearly 50% less blood loss in a femoral artery injury model and prolong the survival time in a carotid artery injury model. Compared with the only hydrophilic layer, the time to hemostasis of Janus sponge are reduced from 165 ± 20 to 131 ± 26 s in femoral artery injury model and from 102 ± 21 to 83 ± 15 s in liver femoral artery injury model.
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Affiliation(s)
- Huan Cheng
- Key Lab of Science and Technology of Eco‐Textile Ministry of Education College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
- Materials Science and Technology of Polymers, MESA+ Institute of Nanotechnology University of Twente P.O. Box 217 Enschede AE 7500 The Netherlands
| | - Dongdong Xiao
- Department of Urology and Andrology Ren Ji Hospital School of Medicine Shanghai Jiao Tong University Shanghai 200001 China
- Shanghai Key Laboratory of Tissue Engineering Shanghai Ninth People's Hospital School of Medicine Shanghai Jiao Tong University Shanghai 200011 China
| | - Yujing Tang
- Key Lab of Science and Technology of Eco‐Textile Ministry of Education College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Bijia Wang
- Key Lab of Science and Technology of Eco‐Textile Ministry of Education College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Xueling Feng
- Key Lab of Science and Technology of Eco‐Textile Ministry of Education College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Mujun Lu
- Department of Urology and Andrology Ren Ji Hospital School of Medicine Shanghai Jiao Tong University Shanghai 200001 China
| | - G. Julius Vancso
- Key Lab of Science and Technology of Eco‐Textile Ministry of Education College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
- Materials Science and Technology of Polymers, MESA+ Institute of Nanotechnology University of Twente P.O. Box 217 Enschede AE 7500 The Netherlands
| | - Xiaofeng Sui
- Key Lab of Science and Technology of Eco‐Textile Ministry of Education College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
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13
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Drebezghova V, Gojzewski H, Allal A, Hempenius MA, Nardin C, Vancso GJ. Network Mesh Nanostructures in Cross‐Linked Poly(Dimethylsiloxane) Visualized by AFM. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000170] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Viktoriia Drebezghova
- Universite de Pau et des Pays de l'AdourE2S UPPACNRSIPREMTechnopôle Hélioparc 2 avenue du Président Angot Pau 64053 France
- Materials Science and Technology of PolymersFaculty of Science and TechnologyUniversity of Twente Drienerlolaan 5 Enschede NB 7522 The Netherlands
| | - Hubert Gojzewski
- Materials Science and Technology of PolymersFaculty of Science and TechnologyUniversity of Twente Drienerlolaan 5 Enschede NB 7522 The Netherlands
| | - Ahmed Allal
- Universite de Pau et des Pays de l'AdourE2S UPPACNRSIPREMTechnopôle Hélioparc 2 avenue du Président Angot Pau 64053 France
| | - Mark A. Hempenius
- Materials Science and Technology of PolymersFaculty of Science and TechnologyUniversity of Twente Drienerlolaan 5 Enschede NB 7522 The Netherlands
| | - Corinne Nardin
- Universite de Pau et des Pays de l'AdourE2S UPPACNRSIPREMTechnopôle Hélioparc 2 avenue du Président Angot Pau 64053 France
| | - G. Julius Vancso
- Materials Science and Technology of PolymersFaculty of Science and TechnologyUniversity of Twente Drienerlolaan 5 Enschede NB 7522 The Netherlands
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14
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Li P, Ding Z, Yin Y, Yu X, Yuan Y, Brió Pérez M, de Beer S, Vancso GJ, Yu Y, Zhang S. Cu2+-doping of polyanionic brushes: A facile route to prepare implant coatings with both antifouling and antibacterial properties. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109845] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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15
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Liu Y, Vancso GJ. Polymer single chain imaging, molecular forces, and nanoscale processes by Atomic Force Microscopy: The ultimate proof of the macromolecular hypothesis. Prog Polym Sci 2020. [DOI: 10.1016/j.progpolymsci.2020.101232] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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16
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Zhang Y, Ding L, Ming B, Wang B, Feng X, Vancso GJ, Sui X. Making polymers colored and stiffer by dyed regenerated cellulose employing Pickering emulsions. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124601] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Liu S, Yin S, Duvigneau J, Vancso GJ. Bubble Seeding Nanocavities: Multiple Polymer Foam Cell Nucleation by Polydimethylsiloxane-Grafted Designer Silica Nanoparticles. ACS Nano 2020; 14:1623-1634. [PMID: 32003963 PMCID: PMC7045700 DOI: 10.1021/acsnano.9b06837] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
We describe a successful strategy to substantially enhance cell nucleation efficiency in polymer foams by using designer nanoparticles as nucleating agents. Bare and poly(dimethylsilane) (PDMS)-grafted raspberry-like silica nanoparticles with diameters ranging from ∼80 nm to ∼200 nm were synthesized and utilized as highly efficient cell nucleators in CO2-blown nanocellular polymethyl methacrylate (PMMA) foams. The successful synthesis of core-shell nanoparticles was confirmed by Fourier transform infrared spectroscopy, thermogravimetric analysis, Brunauer-Emmett-Teller measurements, and transmission electron microscopy. The cell size and cell density of the obtained PMMA micro- and nanocellular foams were determined by scanning electron microscopy. The results show that increased surface roughness enhances the nucleation efficiency of the designer silica particles. This effect is ascribed to a decreased nucleation free energy for foam cell nucleation in the nanocavities at the melt-nucleator interface. For PDMS grafted raspberry-like silica nanoparticles with diameters of 155 and 200 nm, multiple cell nucleation events were observed. These hybrid particles had nucleation efficiencies of 3.7 and 6.2, respectively. The surprising increase in nucleation efficiency to above unity is ascribed to the significant increase in CO2 absorption and capillary condensation in the corresponding PMMA during saturation. This increase results in the presence of large amounts of the physical blowing agent close to energetically favorable nucleation points. Additionally, it is shown that as a consequence of cell coalescence, the increased number of foam cells is rapidly reduced during the first seconds of foaming. Hence, the design of highly efficient nucleating particles, as well as careful selection of foam matrix materials, seems to be of pivotal importance for obtaining polymer cellular materials with cell dimensions at the nanoscale. These findings contribute to the fabrication of polymer foams with high thermal insulation capacity and have relevance in general to the area of cellular materials.
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18
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Abstract
Polyacrylonitrile (PAN) brushes were grafted from silicon wafers by photoinduced ATRP and shown to exhibit aggregation-induced emission (AIE) properties.
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Affiliation(s)
- Maciej Kopeć
- Materials Science and Technology of Polymers
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
- The Netherlands
| | - Marcin Pikiel
- Materials Science and Technology of Polymers
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
- The Netherlands
| | - G. Julius Vancso
- Materials Science and Technology of Polymers
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
- The Netherlands
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19
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Yu Y, Cirelli M, Li P, Ding Z, Yin Y, Yuan Y, de Beer S, Vancso GJ, Zhang S. Enhanced Stability of Poly(3-sulfopropyl methacrylate potassium) Brushes Coated on Artificial Implants in Combatting Bacterial Infections. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b03980] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yunlong Yu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Marco Cirelli
- Materials Science and Technology of Polymers and MESA+ Research Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Pengfei Li
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Zhichao Ding
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Yue Yin
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Yucheng Yuan
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Sissi de Beer
- Materials Science and Technology of Polymers and MESA+ Research Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - G. Julius Vancso
- Materials Science and Technology of Polymers and MESA+ Research Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Shiyong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
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20
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Cirelli M, Hao J, Bor TC, Duvigneau J, Benson N, Akkerman R, Hempenius MA, Vancso GJ. Printing "Smart" Inks of Redox-Responsive Organometallic Polymers on Microelectrode Arrays for Molecular Sensing. ACS Appl Mater Interfaces 2019; 11:37060-37068. [PMID: 31525020 PMCID: PMC6790938 DOI: 10.1021/acsami.9b11927] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 09/16/2019] [Indexed: 06/10/2023]
Abstract
Printing arrays of responsive spots for multiplexed sensing with electrochemical readout requires new molecules and precise, high-throughput deposition of active compounds on microelectrodes with spatial control. We have designed and developed new redox-responsive polymers, featuring a poly(ferrocenylsilane) (PFS) backbone and side groups with disulfide units, which allow an efficient and stable bonding to Au substrates, using sulfur-gold coupling chemistry in a "grafting-to" approach. The polymer molecules can be employed for area selective molecular sensing following their deposition by high-precision inkjet printing. The new PFS derivatives, which serve as "molecular inks", were characterized by 1H NMR, 13C NMR, and FTIR spectroscopies and by gel permeation chromatography. The viscosity and surface tension of the inks were assessed by rheology and pendant drop contact angle measurements, respectively. Commercial microelectrode arrays were modified with the new PFS ink by using inkjet printing in the "drop-on-demand" mode. FTIR spectroscopy, AFM, and EDX-SEM confirmed a successful, spatially localized PFS modification of the individual electrodes within the sensing cells of the microelectrode arrays. The potential application of these devices to act as an electrochemical sensor array was demonstrated with a model analyte, ascorbic acid, by using cyclic voltammetry and amperometric measurements.
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Affiliation(s)
- Marco Cirelli
- Materials
Science and Technology of Polymers, MESA+ Institute for
Nanotechnology, and Production Technology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jinmeng Hao
- Materials
Science and Technology of Polymers, MESA+ Institute for
Nanotechnology, and Production Technology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Teunis C. Bor
- Materials
Science and Technology of Polymers, MESA+ Institute for
Nanotechnology, and Production Technology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Joost Duvigneau
- Materials
Science and Technology of Polymers, MESA+ Institute for
Nanotechnology, and Production Technology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Niels Benson
- Institute
of Technology for Nanostructures, Faculty of Engineering, University of Duisburg-Essen (UDE), Bismarckstr. 81, D-47057 Duisburg, Germany
| | - Remko Akkerman
- Materials
Science and Technology of Polymers, MESA+ Institute for
Nanotechnology, and Production Technology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Mark A. Hempenius
- Materials
Science and Technology of Polymers, MESA+ Institute for
Nanotechnology, and Production Technology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - G. Julius Vancso
- Materials
Science and Technology of Polymers, MESA+ Institute for
Nanotechnology, and Production Technology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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21
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Guo S, Quintana R, Cirelli M, Toa ZSD, Arjunan Vasantha V, Kooij ES, Jańczewski D, Vancso GJ. Brush Swelling and Attachment Strength of Barnacle Adhesion Protein on Zwitterionic Polymer Films as a Function of Macromolecular Structure. Langmuir 2019; 35:8085-8094. [PMID: 31099575 PMCID: PMC6587155 DOI: 10.1021/acs.langmuir.9b00918] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 05/15/2019] [Indexed: 06/09/2023]
Abstract
The exceptional hydration of sulfobetaine polymer brushes and their resistance toward nonspecific protein absorption allows for the construction of thin films with excellent antibiofouling properties. In this work, swollen sulfobetaine brushes, prepared by surface-initiated atom transfer radical polymerization of two monomers, differentiated by the nature of the polymerizable group, are studied and compared by a liquid-cell atomic force microscopy technique and spectroscopic ellipsometry. Colloidal AFM-based force spectroscopy is employed to estimate brush grafting density and characterize nanomechanical properties in salt water. When the ionic strength-induced swelling behaviors of the two systems are compared, the differences observed on the antipolyelectrolyte response can be correlated with the stiffness variation on brush compression, likely to be promoted by solvation differences. The higher solvation of amide groups is proposed to be responsible for the lower adhesion force of the barnacle cyprid's temporary adhesive proteins. The adhesion results provide further insights into the antibiofouling activity against barnacle cyprid settlement attributed to polysulfobetaine brushes.
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Affiliation(s)
- Shifeng Guo
- Institute
of Materials Research and Engineering A*STAR (Agency for Science,
Technology and Research), Innovis, #08-03, 2 Fusionpolis Way, Singapore 138634
- CAS
Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institutes of Advanced Technology, Chinese
Academy of Sciences, Shenzhen, Guangdong 518055, China
| | - Robert Quintana
- Institute
of Materials Research and Engineering A*STAR (Agency for Science,
Technology and Research), Innovis, #08-03, 2 Fusionpolis Way, Singapore 138634
- Materials
Research and Technology Department, Luxembourg
Institute of Science and Technology (LIST), L-4422 Belvaux, Luxembourg
| | - Marco Cirelli
- Materials Science and Technology of Polymers, MESA+
Institute for
Nanotechnology, Faculty Engineering Technology, Production Technology, and Physics of Interfaces
and Nanomaterials, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Zi Siang Desmond Toa
- Institute
of Materials Research and Engineering A*STAR (Agency for Science,
Technology and Research), Innovis, #08-03, 2 Fusionpolis Way, Singapore 138634
| | - Vivek Arjunan Vasantha
- Institute
of Chemical and Engineering Sciences, A*STAR, 1 Pesek Road, Jurong
Island, Singapore 627833
| | - E. Stefan Kooij
- Materials Science and Technology of Polymers, MESA+
Institute for
Nanotechnology, Faculty Engineering Technology, Production Technology, and Physics of Interfaces
and Nanomaterials, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Dominik Jańczewski
- Faculty
of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - G. Julius Vancso
- Institute
of Chemical and Engineering Sciences, A*STAR, 1 Pesek Road, Jurong
Island, Singapore 627833
- Materials Science and Technology of Polymers, MESA+
Institute for
Nanotechnology, Faculty Engineering Technology, Production Technology, and Physics of Interfaces
and Nanomaterials, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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22
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Da Pian M, Maggini M, Vancso GJ, Causin V, Benetti EM. Poly(3-hexylthiophene) nanowhiskers filler in poly(ε-caprolactone) based nanoblends as potential bioactive material. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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23
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Tsvetanova M, Sotthewes K, Wu H, Kumar A, Vancso GJ, Schön PM, Zandvliet HJW. Correction to "Molecular Dynamics and Energy Landscape of Decanethiolates in Self-Assembled Monolayers on Au(111) Studied by Scanning Tunneling Microscopy". Langmuir 2019; 35:4787. [PMID: 30907596 PMCID: PMC6448109 DOI: 10.1021/acs.langmuir.9b00585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
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24
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Kopeć M, Tas S, Cirelli M, van der Pol R, de Vries I, Vancso GJ, de Beer S. Fluorescent Patterns by Selective Grafting of a Telechelic Polymer. ACS Appl Polym Mater 2019; 1:136-140. [PMID: 30923796 PMCID: PMC6433164 DOI: 10.1021/acsapm.8b00180] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 01/18/2019] [Indexed: 05/30/2023]
Abstract
The preparation of patterned ultrathin films (sub-10 nm) composed of end-anchored fluorescently labeled poly(methyl methacrylate) (PMMA) is presented. Telechelic PMMA was synthesized utilizing activator regenerated by electron transfer atom transfer radical polymerization and consecutively end-functionalized with alkynylated fluorescein by Cu-catalyzed azide-alkyne cycloaddition (CuAAC) "click" chemistry. The polymers were grafted via the α-carboxyl groups to silica or glass substrates pretreated with (3-aminopropyl)triethoxysilane (APTES). Patterned surfaces were prepared by inkjet printing of APTES onto glass substrates and selectively grafted with fluorescently end-labeled PMMA to obtain emissive arrays on the surface.
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Affiliation(s)
- Maciej Kopeć
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology,
University of Twente, 7500 AE Enschede, The Netherlands
| | - Sinem Tas
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology,
University of Twente, 7500 AE Enschede, The Netherlands
| | - Marco Cirelli
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology,
University of Twente, 7500 AE Enschede, The Netherlands
| | - Rianne van der Pol
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology,
University of Twente, 7500 AE Enschede, The Netherlands
| | - Ilse de Vries
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology,
University of Twente, 7500 AE Enschede, The Netherlands
| | | | - Sissi de Beer
- Materials Science and Technology of
Polymers, MESA+ Institute for Nanotechnology,
University of Twente, 7500 AE Enschede, The Netherlands
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25
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Tas S, Kopec´ M, van der Pol R, Cirelli M, de Vries I, Bölükbas DA, Tempelman K, Benes NE, Hempenius MA, Vancso GJ, de Beer S. Chain End-Functionalized Polymer Brushes with Switchable Fluorescence Response. MACROMOL CHEM PHYS 2019. [DOI: 10.1002/macp.201800537] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Sinem Tas
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Maciej Kopec´
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Rianne van der Pol
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Marco Cirelli
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Ilse de Vries
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Deniz A. Bölükbas
- Lund University; Department of Experimental Medical Sciences; Lung Bioengineering and Regeneration; 22362 Lund Sweden
| | - Kristianne Tempelman
- Membrane Science and Technology; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Nieck E. Benes
- Membrane Science and Technology; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Mark A. Hempenius
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - G. Julius Vancso
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Sissi de Beer
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
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26
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Liu Y, Tas S, Zhang K, de Vos WM, Ma J, Vancso GJ. Thermoresponsive Membranes from Electrospun Mats with Switchable Wettability for Efficient Oil/Water Separations. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01853] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Yan Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 201620 Shanghai, P. R. China
| | | | | | | | - Jinghong Ma
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 201620 Shanghai, P. R. China
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27
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Kopeć M, Spanjers J, Scavo E, Ernens D, Duvigneau J, Julius Vancso G. Surface-initiated ATRP from polydopamine-modified TiO2 nanoparticles. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.07.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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28
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Gojzewski H, Obszarska J, Harlay A, Hempenius MA, Vancso GJ. Designer poly(urea-siloxane) microspheres with controlled modulus and size: Synthesis, morphology, and nanoscale stiffness by AFM. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.07.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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29
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Imre B, Gojzewski H, Check C, Chartoff R, Vancso GJ. Macromol. Chem. Phys. 2/2018. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201870004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Balazs Imre
- School of Chemical Biological and Environmental Engineering; Oregon State University; Corvallis OR 97331 USA
| | - Hubert Gojzewski
- Materials Science and Technology of Polymers; Faculty of Science and Technology; University of Twente; Drienerlolaan 5 7522 NB Enschede The Netherlands
| | - Casey Check
- Center for Advanced Materials Characterization in Oregon (CAMCOR); University of Oregon; Eugene OR 97403 USA
| | - Richard Chartoff
- School of Chemical Biological and Environmental Engineering; Oregon State University; Corvallis OR 97331 USA
| | - G. Julius Vancso
- Materials Science and Technology of Polymers; Faculty of Science and Technology; University of Twente; Drienerlolaan 5 7522 NB Enschede The Netherlands
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30
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Maaskant E, Gojzewski H, Hempenius MA, Vancso GJ, Benes NE. Thin cyclomatrix polyphosphazene films: interfacial polymerization of hexachlorocyclotriphosphazene with aromatic biphenols. Polym Chem 2018. [DOI: 10.1039/c8py00444g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cyclomatrix polyphosphazene films have been synthesized by interfacial polymerization of hexachlorocyclotriphosphazene with a variety of biphenols.
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Affiliation(s)
- Evelien Maaskant
- Films in Fluids Group - Membrane Science and Technology cluster
- Faculty of Science and Technology
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
| | - Hubert Gojzewski
- Materials Science and Technology of Polymers
- Faculty of Science and Technology
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
| | - Mark A. Hempenius
- Materials Science and Technology of Polymers
- Faculty of Science and Technology
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
| | - G. Julius Vancso
- Materials Science and Technology of Polymers
- Faculty of Science and Technology
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
| | - Nieck E. Benes
- Films in Fluids Group - Membrane Science and Technology cluster
- Faculty of Science and Technology
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
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31
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Check C, Imre B, Gojzewski H, Chartoff R, Vancso GJ. Kinetic aspects of formation and processing of polycaprolactone polyurethanes in situ from a blocked isocyanate. Polym Chem 2018. [DOI: 10.1039/c7py02006f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To produce segmented polyurethanes that can be processed readily into elastomeric thin films, a thermally labile blocking agent was used to synthesize an isocyanate prepolymer. The final product was formed by bulk thermal polymerization. The resulting polymer morphology imparted enhanced mechanical properties.
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Affiliation(s)
- Casey Check
- University of Oregon
- Center for Advanced Materials Characterization in Oregon (CAMCOR)
- Eugene
- USA
| | - Balazs Imre
- Oregon State University
- School of Chemical Biological and Environmental Engineering
- Corvallis
- USA
| | - Hubert Gojzewski
- University of Twente
- Materials Science and Technology of Polymers
- Faculty of Science and Technology
- 7522 NB Enschede
- The Netherlands
| | - Richard Chartoff
- Oregon State University
- School of Chemical Biological and Environmental Engineering
- Corvallis
- USA
| | - G. Julius Vancso
- University of Twente
- Materials Science and Technology of Polymers
- Faculty of Science and Technology
- 7522 NB Enschede
- The Netherlands
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32
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Song J, Tan YN, Jańczewski D, Hempenius MA, Xu JW, Tan HR, Vancso GJ. Poly(ferrocenylsilane) electrolytes as a gold nanoparticle foundry: "two-in-one" redox synthesis and electrosteric stabilization, and sensing applications. Nanoscale 2017; 9:19255-19262. [PMID: 29188844 DOI: 10.1039/c7nr04697a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Gold nanoparticles (AuNPs) coated with responsive polymers gained considerable interest due to their controllable size, good stability, and fast environmental response suitable for biological applications and sensing. Here we report on a simple and efficient method for the synthesis of stable and redox responsive AuNPs using organometallic polyelectrolytes in aqueous solutions of HAuCl4. In the redox reaction, positively or negatively charged poly(ferrocenylsilanes) (PFS+/PFS-) served as reducing agents, and also as stabilizing polymers. Due to their unique tunable electrostatic and electrosteric protection, AuNPs coated with PFS-, (PFS+)@AuNPs, possess high redox sensitivity, with reversible, repetitive, sustainable color switching between the assembled (purple color) and disassembled (red color) states as evidenced by UV-Vis absorption and TEM measurements. Feasibility studies reported here indicate that the particles described can be applied as a colorimetric probe for the detection of redox molecules, e.g. vitamin C, in a controlled and facile manner.
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Affiliation(s)
- J Song
- Institute of Material Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634.
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Bedő D, Imre B, Domján A, Schön P, Vancso GJ, Pukánszky B. Coupling of poly(lactic acid) with a polyurethane elastomer by reactive processing. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.10.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Imre B, Gojzewski H, Check C, Chartoff R, Vancso GJ. Properties and Phase Structure of Polycaprolactone-Based Segmented Polyurethanes with Varying Hard and Soft Segments: Effects of Processing Conditions. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201700214] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Balazs Imre
- School of Chemical Biological and Environmental Engineering; Oregon State University; Corvallis OR 97331 USA
| | - Hubert Gojzewski
- Materials Science and Technology of Polymers; Faculty of Science and Technology; University of Twente; Drienerlolaan 5 7522 NB Enschede The Netherlands
| | - Casey Check
- Center for Advanced Materials Characterization in Oregon (CAMCOR); University of Oregon; Eugene OR 97403 USA
| | - Richard Chartoff
- School of Chemical Biological and Environmental Engineering; Oregon State University; Corvallis OR 97331 USA
| | - G. Julius Vancso
- Materials Science and Technology of Polymers; Faculty of Science and Technology; University of Twente; Drienerlolaan 5 7522 NB Enschede The Netherlands
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Liu S, Eijkelenkamp R, Duvigneau J, Vancso GJ. Silica-Assisted Nucleation of Polymer Foam Cells with Nanoscopic Dimensions: Impact of Particle Size, Line Tension, and Surface Functionality. ACS Appl Mater Interfaces 2017; 9:37929-37940. [PMID: 28980799 PMCID: PMC5668892 DOI: 10.1021/acsami.7b11248] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 10/05/2017] [Indexed: 05/27/2023]
Abstract
Core-shell nanoparticles consisting of silica as core and surface-grafted poly(dimethylsiloxane) (PDMS) as shell with different diameters were prepared and used as heterogeneous nucleation agents to obtain CO2-blown poly(methyl methacrylate) (PMMA) nanocomposite foams. PDMS was selected as the shell material as it possesses a low surface energy and high CO2-philicity. The successful synthesis of core-shell nanoparticles was confirmed by Fourier transform infrared spectroscopy, thermogravimetric analysis, and transmission electron microscopy. The cell size and cell density of the PMMA micro- and nanocellular materials were determined by scanning electron microscopy. The cell nucleation efficiency using core-shell nanoparticles was significantly enhanced when compared to that of unmodified silica. The highest nucleation efficiency observed had a value of ∼0.5 for nanoparticles with a core diameter of 80 nm. The particle size dependence of cell nucleation efficiency is discussed taking into account line tension effects. Complete engulfment by the polymer matrix of particles with a core diameter below 40 nm at the cell wall interface was observed corresponding to line tension values of approximately 0.42 nN. This line tension significantly increases the energy barrier of heterogeneous nucleation and thus reduces the nucleation efficiency. The increase of the CO2 saturation pressure to 300 bar prior to batch foaming resulted in an increased line tension length. We observed a decrease of the heterogeneous nucleation efficiency for foaming after saturation with CO2 at 300 bar, which we attribute to homogenous nucleation becoming more favorable at the expense of heterogeneous nucleation in this case. Overall, it is shown that the contribution of line tension to the free energy barrier of heterogeneous foam cell nucleation must be considered to understand foaming of viscoelastic materials. This finding emphasizes the need for new strategies including the use of designer nucleating particles to enhance the foam cell nucleation efficiency.
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Schulz AS, Gojzewski H, Huskens J, Vos WL, Julius Vancso G. Controlled sub-10-nanometer poly(N
-isopropyl-acrylamide) layers grafted from silicon by atom transfer radical polymerization. POLYM ADVAN TECHNOL 2017. [DOI: 10.1002/pat.4187] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Andreas S. Schulz
- Materials Science and Technology of Polymers (MTP), MESA+ Institute for Nanotechnology; University of Twente; PO Box 217 7500 AE Enschede The Netherlands
- Molecular NanoFabrication (MNF), MESA+ Institute for Nanotechnology; University of Twente; PO Box 217 7500 AE Enschede The Netherlands
- Complex Photonic Systems (COPS), MESA+ Institute for Nanotechnology; University of Twente; PO Box 217 7500 AE Enschede The Netherlands
| | - Hubert Gojzewski
- Materials Science and Technology of Polymers (MTP), MESA+ Institute for Nanotechnology; University of Twente; PO Box 217 7500 AE Enschede The Netherlands
| | - Jurriaan Huskens
- Molecular NanoFabrication (MNF), MESA+ Institute for Nanotechnology; University of Twente; PO Box 217 7500 AE Enschede The Netherlands
| | - Willem L. Vos
- Complex Photonic Systems (COPS), MESA+ Institute for Nanotechnology; University of Twente; PO Box 217 7500 AE Enschede The Netherlands
| | - G. Julius Vancso
- Materials Science and Technology of Polymers (MTP), MESA+ Institute for Nanotechnology; University of Twente; PO Box 217 7500 AE Enschede The Netherlands
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Zhang K, Feng X, Ye C, Hempenius MA, Vancso GJ. Hydrogels with a Memory: Dual-Responsive, Organometallic Poly(ionic liquid)s with Hysteretic Volume-Phase Transition. J Am Chem Soc 2017; 139:10029-10035. [PMID: 28654756 PMCID: PMC5538755 DOI: 10.1021/jacs.7b04920] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Indexed: 11/28/2022]
Abstract
We report on the synthesis and structure-property relations of a novel, dual-responsive organometallic poly(ionic liquid) (PIL), consisting of a poly(ferrocenylsilane) backbone of alternating redox-active, silane-bridged ferrocene units and tetraalkylphosphonium sulfonate moieties in the side groups. This PIL is redox responsive due to the presence of ferrocene in the backbone and also exhibits a lower critical solution temperature (LCST)-type thermal responsive behavior. The LCST phase transition originates from the interaction between water molecules and the ionic substituents and shows a concentration-dependent, tunable transition temperature in aqueous solution. The PIL's LCST-type transition temperature can also be influenced by varying the redox state of ferrocene in the polymer main chain. As the polymer can be readily cross-linked and is easily converted into hydrogels, it represents a new dual-responsive materials platform. Interestingly, the as-formed hydrogels display an unusual, strongly hysteretic volume-phase transition indicating useful thermal memory properties. By employing the dispersing abilities of this cationic PIL, CNT-hydrogel composites were successfully prepared. These hybrid conductive composite hydrogels showed bi-stable states and tunable resistance in heating-cooling cycles.
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Affiliation(s)
| | | | - Chongnan Ye
- Materials Science and Technology
of Polymers, MESA+ Institute for Nanotechnology,
University of Twente, P.O. Box 217, 7500AE, Enschede, The Netherlands
| | - Mark A. Hempenius
- Materials Science and Technology
of Polymers, MESA+ Institute for Nanotechnology,
University of Twente, P.O. Box 217, 7500AE, Enschede, The Netherlands
| | - G. Julius Vancso
- Materials Science and Technology
of Polymers, MESA+ Institute for Nanotechnology,
University of Twente, P.O. Box 217, 7500AE, Enschede, The Netherlands
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38
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Brzozowska AM, Maassen S, Goh Zhi Rong R, Benke PI, Lim CS, Marzinelli EM, Jańczewski D, Teo SLM, Vancso GJ. Effect of Variations in Micropatterns and Surface Modulus on Marine Fouling of Engineering Polymers. ACS Appl Mater Interfaces 2017; 9:17508-17516. [PMID: 28481498 PMCID: PMC5445506 DOI: 10.1021/acsami.6b14262] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
We report on the marine fouling and fouling release effects caused by variations of surface mechanical properties and microtopography of engineering polymers. Polymeric materials were covered with hierarchical micromolded topographical patterns inspired by the shell of the marine decapod crab Myomenippe hardwickii. These micropatterned surfaces were deployed in field static immersion tests. PDMS, polyurethane, and PMMA surfaces with higher elastic modulus and hardness were found to accumulate more fouling and exhibited poor fouling release properties. The results indicate interplay between surface mechanical properties and microtopography on antifouling performance.
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Affiliation(s)
- Agata Maria Brzozowska
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
| | - Stan Maassen
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
- Faculty of Science
and Technology, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands
| | - Rubayn Goh Zhi Rong
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore
| | - Peter Imre Benke
- Singapore
Centre on Environmental Life Sciences Engineering, Nanyang Technological University, Singapore, 60 Nanyang Drive, 637551 Singapore
- Environmental
Research Institute, National University
of Singapore, 21 Lower
Kent Ridge Road, 119077 Singapore
| | - Chin-Sing Lim
- St
John’s Island National Marine Laboratory, Tropical Marine Science
Institute, National University of Singapore, 18 Kent Ridge Road, 119227 Singapore
| | - Ezequiel M. Marzinelli
- Centre for Marine Bio-Innovation, School
of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia
- Sydney Institute of Marine Science, 19 Chowder Bay Rd, Mosman, NSW 2088, Australia
| | - Dominik Jańczewski
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
- Laboratory of Technological
Processes, Faculty of Chemistry, Warsaw
University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
- E-mail: . Tel: +48 22 234 5583. Fax: +48 22 234 5504
| | - Serena Lay-Ming Teo
- St
John’s Island National Marine Laboratory, Tropical Marine Science
Institute, National University of Singapore, 18 Kent Ridge Road, 119227 Singapore
- E-mail: . Tel: +65 6774 9887. Fax: +65 6776 1455
| | - G. Julius Vancso
- Institute of Chemical
and Engineering Sciences, Agency for Science,
Technology and Research, 1 Pesek Road, 627833 Singapore
- MESA+ Institute for Nanotechnology, Materials Science
and Technology of Polymers, University of
Twente, 7500 AE Enschede, The Netherlands
- E-mail: . Tel.: +31 53 489 2974. Fax: +31 53 489 3823
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Yu Y, Vancso GJ, de Beer S. Substantially enhanced stability against degrafting of zwitterionic PMPC brushes by utilizing PGMA-linked initiators. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.02.033] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Abstract
In this paper, we describe a method allowing one to perform three-dimensional displacement control in force spectroscopy by atomic force microscopy (AFM). Traditionally, AFM force curves are measured in the normal direction of the contacted surface. The method described can be employed to address not only the magnitude of the measured force but also its direction. We demonstrate the technique using a case study of angle-dependent desorption of a single poly(2-hydroxyethyl methacrylate) (PHEMA) chain from a planar silica surface in an aqueous solution. The chains were end-grafted from the AFM tip in high dilution, enabling single macromolecule pull experiments. Our experiments give evidence of angular dependence of the desorption force of single polymer chains and illustrate the added value of introducing force direction control in AFM.
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Affiliation(s)
- L Grebíková
- Materials Science and Technology of Polymers, MESA+, Institute of Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - H Gojzewski
- Materials Science and Technology of Polymers, MESA+, Institute of Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - B D Kieviet
- Materials Science and Technology of Polymers, MESA+, Institute of Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - M Klein Gunnewiek
- Materials Science and Technology of Polymers, MESA+, Institute of Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - G J Vancso
- Materials Science and Technology of Polymers, MESA+, Institute of Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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41
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Yu Y, Lopez de la Cruz RA, Kieviet BD, Gojzewski H, Pons A, Julius Vancso G, de Beer S. Pick up, move and release of nanoparticles utilizing co-non-solvency of PNIPAM brushes. Nanoscale 2017; 9:1670-1675. [PMID: 28084477 DOI: 10.1039/c6nr09245d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A critical complication in handling nanoparticles is the formation of large aggregates when particles are dried e.g. when they need to be transferred from one liquid to another. The particles in these aggregates need to disperse into the destined liquid medium, which has been proven difficult due to the relatively large interfacial interaction forces between nanoparticles. We present a simple method to capture, move and release nanoparticles without the formation of large aggregates. To do so, we employ the co-non-solvency effect of poly(N-isopropylacrylamide) (PNIPAM) brushes in water-ethanol mixtures. In pure water or ethanol, the densely end-anchored macromolecules in the PNIPAM brush stretch and absorb the solvent. We show that under these conditions, the adherence between the PNIPAM brush and a silicon oxide, gold, polystyrene or poly(methyl methacrylate) colloid attached to an atomic force microscopy cantilever is low. In contrast, when the PNIPAM brushes are in a collapsed state in a 30-70 vol% ethanol-water mixture, the adhesion between the brush and the different counter surfaces is high. For potential application, we demonstrate that this difference in adhesion can be utilized to pick up, move and release 900 silicon oxide nanoparticles of diameter 80 nm using only 10 × 10 μm2 PNIPAM brush.
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Affiliation(s)
- Yunlong Yu
- Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands.
| | - Ricardo A Lopez de la Cruz
- Physics of Fluids, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands
| | - Bernard D Kieviet
- Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands.
| | - Hubert Gojzewski
- Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands.
| | - Adeline Pons
- Physics of Fluids, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands
| | - G Julius Vancso
- Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands.
| | - Sissi de Beer
- Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands.
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42
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Folkertsma L, Zhang K, Hempenius MA, Vancso GJ, van den Berg A, Odijk M. Comparison of three types of redox active polymer for two photon stereolithography. POLYM ADVAN TECHNOL 2017. [DOI: 10.1002/pat.3998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Laura Folkertsma
- BIOS Lab on a Chip Group, MESA+ Institute for Nanotechnology, MIRA Institute for Biomedical Engineering and Technical Medicine; University of Twente; Enschede The Netherlands
| | - Kaihuan Zhang
- MTP, MESA+ Institute for Nanotechnology; University of Twente; Enschede The Netherlands
| | - Mark A. Hempenius
- MTP, MESA+ Institute for Nanotechnology; University of Twente; Enschede The Netherlands
| | - G. Julius Vancso
- MTP, MESA+ Institute for Nanotechnology; University of Twente; Enschede The Netherlands
| | - Albert van den Berg
- BIOS Lab on a Chip Group, MESA+ Institute for Nanotechnology, MIRA Institute for Biomedical Engineering and Technical Medicine; University of Twente; Enschede The Netherlands
| | - Mathieu Odijk
- BIOS Lab on a Chip Group, MESA+ Institute for Nanotechnology, MIRA Institute for Biomedical Engineering and Technical Medicine; University of Twente; Enschede The Netherlands
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43
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Liu Y, Zhang K, Ma J, Vancso GJ. Thermoresponsive Semi-IPN Hydrogel Microfibers from Continuous Fluidic Processing with High Elasticity and Fast Actuation. ACS Appl Mater Interfaces 2017; 9:901-908. [PMID: 28026935 DOI: 10.1021/acsami.6b13097] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Hydrogels with rapid and strong response to external stimuli and possessing high elasticity and strength have been considered as platform materials for numerous applications, e.g., in biomaterials engineering. Thermoresponsive hydrogels based on semi-interpenetrating polymer networks (semi-IPN) featuring N-isopropylacrylamide with copolymers of poly(N-isopropylacrylamide-co-hydroxyethyl methacrylate) p(NIPAM-HEMA) chains are prepared and described. The copolymer was characterized by FTIR, NMR, and GPC. The semi-IPN structured hydrogel and its responsive properties were evaluated by dynamic mechanical measurements, SEM, DSC, equilibrium swelling ratio, and dynamic deswelling tests. The results illustrate that the semi-IPN structured hydrogels possess rapid response and high elasticity compared to conventional pNIPAM hydrogels. By using a microfluidic device with double coaxial laminar flow, we succeeded in fabricating temperature responsive ("smart") hydrogel microfibers with core-shell structures that exhibit typical diameters on the order of 100 μm. The diameter of the fibers can be tuned by changing the flow conditions. Such hydrogel fibers can be used to fabricate "smart" devices, and the core layer can be potentially loaded with cargos to incorporate biological function in the constructs. The platforms obtained by this approach hold promise as artificial "muscles", and also "smart" hydrogel carriers providing a unique biophysical and bioactive environment for regenerative medicine and tissue engineering.
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Affiliation(s)
- Yan Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University , 201620 Shanghai, P. R. China
- Materials Science and Technology of Polymers, MESA+ Institute of Nanotechnology, University of Twente , P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Kaihuan Zhang
- Materials Science and Technology of Polymers, MESA+ Institute of Nanotechnology, University of Twente , P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jinghong Ma
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University , 201620 Shanghai, P. R. China
| | - G Julius Vancso
- Materials Science and Technology of Polymers, MESA+ Institute of Nanotechnology, University of Twente , P.O. Box 217, 7500 AE Enschede, The Netherlands
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Folkertsma L, Zhang K, Czakkel O, de Boer HL, Hempenius MA, van den Berg A, Odijk M, Vancso GJ. Synchrotron SAXS and Impedance Spectroscopy Unveil Nanostructure Variations in Redox-Responsive Porous Membranes from Poly(ferrocenylsilane) Poly(ionic liquid)s. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b02318] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
| | | | - Orsolya Czakkel
- Insitut Laue
Langevin, CS 20156, 71 rue des Martyrs, 38042 Grenoble, Cedex 9, France
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45
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Feng X, Zhang K, Chen P, Sui X, Hempenius MA, Liedberg B, Vancso GJ. Macromol. Rapid Commun. 23/2016. Macromol Rapid Commun 2016. [DOI: 10.1002/marc.201670092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xueling Feng
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
- Centre for Biomimetic Sensor Science; School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Drive Singapore 637553 Singapore
| | - Kaihuan Zhang
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
| | - Peng Chen
- Centre for Biomimetic Sensor Science; School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Drive Singapore 637553 Singapore
| | - Xiaofeng Sui
- Key Laboratory of Science and Technology of Eco-Textile (Ministry of Education); Donghua University; Shanghai 201620 P. R. China
| | - Mark A. Hempenius
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
| | - Bo Liedberg
- Centre for Biomimetic Sensor Science; School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Drive Singapore 637553 Singapore
| | - G. Julius Vancso
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
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46
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47
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Feng X, Zhang K, Chen P, Sui X, Hempenius MA, Liedberg B, Vancso GJ. Highly Swellable, Dual-Responsive Hydrogels Based on PNIPAM and Redox Active Poly(ferrocenylsilane) Poly(ionic liquid)s: Synthesis, Structure, and Properties. Macromol Rapid Commun 2016; 37:1939-1944. [DOI: 10.1002/marc.201600374] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 08/11/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Xueling Feng
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
- Centre for Biomimetic Sensor Science; School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Drive Singapore 637553 Singapore
| | - Kaihuan Zhang
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
| | - Peng Chen
- Centre for Biomimetic Sensor Science; School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Drive Singapore 637553 Singapore
| | - Xiaofeng Sui
- Key Laboratory of Science and Technology of Eco-Textile (Ministry of Education); Donghua University; Shanghai 201620 P. R. China
| | - Mark A. Hempenius
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
| | - Bo Liedberg
- Centre for Biomimetic Sensor Science; School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Drive Singapore 637553 Singapore
| | - G. Julius Vancso
- Materials Science and Technology of Polymers; MESA+ Institute for Nanotechnology; University of Twente; P.O. Box 217 7500 AE Enschede The Netherlands
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48
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Dos Ramos L, Lajoinie G, Kieviet BD, de Beer S, Versluis M, Hempenius MA, Vancso GJ. Redox control of capillary filling speed in poly(ferrocenylsilane)-modified microfluidic channels for switchable delay valves. Eur Polym J 2016. [DOI: 10.1016/j.eurpolymj.2016.06.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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49
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Wu H, Feng X, Kieviet BD, Zhang K, Zandvliet HJ, Canters GW, Schön PM, Vancso GJ. Electrochemical atomic force microscopy reveals potential stimulated height changes of redox responsive Cu-azurin on gold. Eur Polym J 2016. [DOI: 10.1016/j.eurpolymj.2015.12.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Guo S, Zhu X, Jańczewski D, Lee SSC, He T, Teo SLM, Vancso GJ. Measuring protein isoelectric points by AFM-based force spectroscopy using trace amounts of sample. Nat Nanotechnol 2016; 11:817-23. [PMID: 27454881 DOI: 10.1038/nnano.2016.118] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Accepted: 06/03/2016] [Indexed: 05/14/2023]
Abstract
Protein charge at various pH and isoelectric point (pI) values is important in understanding protein function. However, often only trace amounts of unknown proteins are available and pI measurements cannot be obtained using conventional methods. Here, we show a method based on the atomic force microscope (AFM) to determine pI using minute quantities of proteins. The protein of interest is immobilized on AFM colloidal probes and the adhesion force of the protein is measured against a positively and a negatively charged substrate made by layer-by-layer deposition of polyelectrolytes. From the AFM force-distance curves, pI values with an estimated accuracy of ±0.25 were obtained for bovine serum albumin, myoglobin, fibrinogen and ribonuclease A over a range of 4.7-9.8. Using this method, we show that the pI of the 'footprint' of the temporary adhesive proteins secreted by the barnacle cyprid larvae of Amphibalanus amphitrite is in the range 9.6-9.7.
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Affiliation(s)
- Shifeng Guo
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, No. 08-03, Singapore 138634, Singapore
| | - Xiaoying Zhu
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, No. 08-03, Singapore 138634, Singapore
| | - Dominik Jańczewski
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, No. 08-03, Singapore 138634, Singapore
- Laboratory of Technological Processes, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Serina Siew Chen Lee
- Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, 119227 Singapore, Singapore
| | - Tao He
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, No. 08-03, Singapore 138634, Singapore
| | - Serena Lay Ming Teo
- Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, 119227 Singapore, Singapore
| | - G Julius Vancso
- Institute of Chemical and Engineering Sciences A*STAR, 1 Pesek Road, Jurong Island, 627833 Singapore, Singapore
- MESA+ Institute for Nanotechnology, Materials Science and Technology of Polymers, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
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