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Guillot K, Brahana PJ, Al Harraq A, Ogbonna ND, Lombardo NS, Lawrence J, An Y, Benton MG, Bharti B. Selective Vapor Condensation for the Synthesis and Assembly of Spherical Colloids with a Precise Rough Patch. JACS AU 2024; 4:1107-1117. [PMID: 38559733 PMCID: PMC10976603 DOI: 10.1021/jacsau.3c00812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/08/2024] [Accepted: 02/16/2024] [Indexed: 04/04/2024]
Abstract
Patchy particles occupy an increasingly important space in soft matter research due to their ability to assemble into intricate phases and states. Being able to fine-tune the interactions among these particles is essential to understanding the principles governing the self-assembly processes. However, current fabrication techniques often yield patches that deviate chemically and physically from the native particles, impeding the identification of the driving forces behind self-assembly. To overcome this challenge, we propose a new approach to synthesizing spherical colloids with a well-defined rough patch on their surface. By treating polystyrene microspheres with vapors of a good solvent, here an acetone-water mixture, we achieve selective polymer corrugation on the particle surface resulting in a chemically similar yet rough surface patch. The key step is the selective condensation of the acetone-water vapors on the apex of the polystyrene microparticles immobilized on a substrate, which leads to rough patch formation. We leverage the ability to tune the vapor-liquid equilibrium of the volatile acetone-water mixture to precisely control the polymer corrugation on the particle surface. We demonstrate the dependence of patch formation on particle and substrate wettability, with the condensation occurring on the particle apex only when it is more wettable than the substrate, which is consistent with Volmer's classical nucleation theory. By combining experiments and molecular dynamics simulations, we identify the role of the rough patch in the depletion interaction-driven self-assembly of the microspheres, which is crucial for designing programmable supracolloidal structures.
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Affiliation(s)
| | | | | | - Nduka D. Ogbonna
- Cain Department of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Nicholas S. Lombardo
- Cain Department of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Jimmy Lawrence
- Cain Department of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Yaxin An
- Cain Department of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Michael G. Benton
- Cain Department of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Bhuvnesh Bharti
- Cain Department of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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2
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Transparent and fluorescent breath figure arrays prepared from end-functionalized copolymers. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Roy P, Mukherjee R, Bandyopadhyay D, Gooh Pattader PS. Electrodynamic-contact-line-lithography with nematic liquid crystals for template-less E-writing of mesopatterns on soft surfaces. NANOSCALE 2019; 11:16523-16533. [PMID: 31454013 DOI: 10.1039/c9nr05729c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We report the development of a single-step, template-less and fast pathway, namely, Electrodynamic-Contact-Line-Lithography (ECLL), to write micro to nanopatterns on the surface of a soft polymer film. As a model system, a layer of nematic liquid crystals (NLC), resting on a polymer thin film, was sandwiched between a pair of electrodes emulating the electrowetting on a dielectric (EWOD) setup. Upon the application of electric field, the Maxwell stresses thus generated at the NLC-polymer interface due to the high dielectric contrast stimulated an unprecedented fingering instability at the advancing NLC-polymer-air contact line. In the process, the advancing electrospreading front of NLC left the footprint of an array of micro to nanoscale wells on the polymer surface with a long-range ordering thus unveiling a pathway for maskless patterning of a soft elastic film. Unlike the conventional electric field induced lithography (EFL), the meso-scale morphology was found to follow the short wavelength-scales as the periodicity of the patterns (λc) varied linearly with the thickness of the film (h), (λc∝h). The high dielectric contrast at the NLC-polymer interface and the local fluctuation of the NLC directors ensured a time scale much faster than the same observed for the polymer-air systems.
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Affiliation(s)
- Pritam Roy
- Centre for Nanotechnology, Indian Institute of Technology, Guwahati, Assam 781039, India.
| | - Rabibrata Mukherjee
- Department of Chemical Engineering, Indian Institute of Technology, Kharagpur, West Bengal 721302, India
| | - Dipankar Bandyopadhyay
- Centre for Nanotechnology, Indian Institute of Technology, Guwahati, Assam 781039, India. and Department of Chemical Engineering, Indian Institute of Technology, Guwahati, Assam 781039, India
| | - Partho Sarathi Gooh Pattader
- Centre for Nanotechnology, Indian Institute of Technology, Guwahati, Assam 781039, India. and Department of Chemical Engineering, Indian Institute of Technology, Guwahati, Assam 781039, India
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Porous polybutylene succinate films enabling adhesion of human embryonic stem cell-derived retinal pigment epithelial cells (hESC-RPE). Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.05.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Fragal VH, Catori DM, Fragal EH, Garcia FP, Nakamura CV, Rubira AF, Silva R. Two-dimensional thermoresponsive sub-microporous substrate for accelerated cell tissue growth and facile detachment. J Colloid Interface Sci 2019; 547:78-86. [DOI: 10.1016/j.jcis.2019.03.071] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/21/2019] [Accepted: 03/22/2019] [Indexed: 11/27/2022]
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Calejo MT, Ilmarinen T, Skottman H, Kellomäki M. Breath figures in tissue engineering and drug delivery: State-of-the-art and future perspectives. Acta Biomater 2018; 66:44-66. [PMID: 29183847 DOI: 10.1016/j.actbio.2017.11.043] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 11/09/2017] [Accepted: 11/22/2017] [Indexed: 12/11/2022]
Abstract
The breath figure (BF) method is an easy, low-cost method to prepare films with a highly organized honeycomb-like porous surface. The particular surface topography and porous nature of these materials makes them valuable substrates for studying the complex effects of topography on cell fate, and to produce biomimetic materials with high performance in tissue engineering. Numerous researchers over the last two decades have studied the effects of the honeycomb topography on a variety of primary and immortalized cell lines, and drew important conclusions that can be translated to the construction of optimal biomaterials for cell culture. The literature also encouragingly shows the potential of honeycomb films to induce differentiation of stem cells down a specific lineage without the need for biochemical stimuli. Here, we review the main studies where BF honeycomb films are used as substrates for tissue engineering applications. Furthermore, we highlight the numerous advantages of the porous nature of the films, such as the enhanced, spatially controlled adsorption of proteins, the topographical cues influencing cellular behavior, and the enhanced permeability which is essential both in vitro and in vivo. Finally, this review highlights the elegant use of honeycomb films as drug-eluting biomaterials or as reservoirs for distinct drug delivery systems. STATEMENT OF SIGNIFICANCE Combining biocompatible surfaces and 3D nano/microscale topographies, such as pores or grooves, is an effective strategy for manufacturing tissue engineering scaffolds. The breath figure (BF) method is an easy technique to prepare cell culture substrates with an organized, honeycomb-like porous surface. These surface features make these scaffolds valuable for studying how the cells interact with the biomaterials. Their unique surface topography can also resemble the natural environment of the tissues in the human body. For that reason, numerous studies, using different cell types, have shown that honeycomb films can constitute high performance substrates for cell culture. Here, we review those studies, we highlight the advantages of honeycomb films in tissue engineering and we discuss their potential as unique drug-eluting systems.
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Affiliation(s)
- Maria Teresa Calejo
- BioMediTech Institute and Faculty of Biomedical Sciences and Engineering, Tampere University of Technology, Tampere, Finland.
| | - Tanja Ilmarinen
- BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland
| | - Heli Skottman
- BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland
| | - Minna Kellomäki
- BioMediTech Institute and Faculty of Biomedical Sciences and Engineering, Tampere University of Technology, Tampere, Finland; BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland
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Liu B, Kuang J, Shao L, Che X, Wang F, Wang Y. Porous membranes based on poly(ether imide)-graft-poly(vinyl acetate) as a scaffold for cell growth. J BIOACT COMPAT POL 2017. [DOI: 10.1177/0883911517723038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A series of poly(ether imide)-graft-poly(vinyl acetate) copolymers with different molecular weights were synthesized successfully and characterized using Fourier transform infrared spectroscopy, ultraviolet–visible spectroscopy, proton nuclear magnetic resonance, gel permeation chromatography, differential scanning calorimeter, thermogravimetric analysis, and X-ray photoelectron spectroscopy analyses. These copolymers were used to fabricate honeycomb-structured porous films using the breath figure templating technique. The surface topology and composition of the highly ordered pattern film were further characterized using a scanning electron microscopy. The results indicated that the poly(ether imide)-graft-poly(vinyl acetate) graft molecular weight ratio influenced the breath figure film surface topology. A model was proposed to elucidate the stabilization process of the poly(ether imide)-graft-poly(vinyl acetate)-aggregated architecture on the water droplet–based templates. In addition, cell viability has been investigated via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide test, and the cell morphology on the honeycomb-structured poly(ether imide)-graft-poly(vinyl acetate) porous film has been evaluated using a fluorescence microscope. This porous film is shown to be suitable as a matrix for cell growth.
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Affiliation(s)
- Bin Liu
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Jiangying Kuang
- State Key Laboratory of Biotherapy, Sichuan University, Chengdu, China
| | - Leishan Shao
- Research Institute of Maoming Petrochemical Company, SINOPEC, Maoming, China
| | - Xinyuan Che
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Fei Wang
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Yinghan Wang
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, China
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From honeycomb- to microsphere-patterned surfaces of poly(lactic acid) and a starch-poly(lactic acid) blend via the breath figure method. J Appl Biomater Funct Mater 2017; 15:e31-e42. [PMID: 27647384 DOI: 10.5301/jabfm.5000281] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/29/2016] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND This study investigated the preparation of ordered patterned surfaces and/or microspheres from a natural-based polymer, using the breath figure and reverse breath figure methods. METHODS Poly(D,L-lactic acid) and starch poly(lactic acid) solutions were precipitated in different conditions - namely, polymer concentration, vapor atmosphere temperature and substrate - to evaluate the effect of these conditions on the morphology of the precipitates obtained. RESULTS The possibility of fine-tuning the properties of the final patterns simply by changing the vapor atmosphere was also demonstrated here using a range of compositions of the vapor phase. Porous films or discrete particles are formed when the differences in surface tension determine the ability of polymer solution to surround water droplets or methanol to surround polymer droplets, respectively. In vitro cytotoxicity was assessed applying a simple standard protocol to evaluate the possibility to use these materials in biomedical applications. Moreover, fluorescent microscopy images showed a good interaction of cells with the material, which were able to adhere on the patterned surfaces after 24 hours in culture. CONCLUSIONS The development of patterned surfaces using the breath figure method was tested in this work for the preparation of both poly(lactic acid) and a blend containing starch and poly(lactic acid). The potential of these films to be used in the biomedical area was confirmed by a preliminary cytotoxicity test and by morphological observation of cell adhesion.
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Controlling cell growth with tailorable 2D nanoholes arrays. J Colloid Interface Sci 2016; 466:150-61. [DOI: 10.1016/j.jcis.2015.12.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 12/08/2015] [Accepted: 12/08/2015] [Indexed: 11/17/2022]
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Arora JS, Cremaldi JC, Holleran MK, Ponnusamy T, He J, Pesika NS, John VT. Hydrogel Inverse Replicas of Breath Figures Exhibit Superoleophobicity Due to Patterned Surface Roughness. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:1009-1017. [PMID: 26752016 DOI: 10.1021/acs.langmuir.5b03870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The wetting behavior of a surface depends on both its surface chemistry and the characteristics of surface morphology and topography. Adding structure to a flat hydrophobic or oleophobic surface increases the effective contact angle and thus the hydrophobicity or oleophobicity of the surface, as exemplified by the lotus leaf analogy. We describe a simple strategy to introduce micropatterned roughness on surfaces of soft materials, utilizing the template of hexagonally packed pores of breath figures as molds. The generated inverse replicas represent micron scale patterned beadlike protrusions on hydrogel surfaces. This added roughness imparts superoleophobic properties (contact angle of the order of 150° and greater) to an inherently oleophobic flat hydrogel surface, when submerged. The introduced pattern on the hydrogel surface changes morphology as it swells in water to resemble morphologies remarkably analogous to the compound eye. Analysis of the wetting behavior using the Cassie-Baxter approximation leads to estimation of the contact angle in the superoleophobic regime and in agreement with the experimental value.
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Affiliation(s)
- Jaspreet Singh Arora
- Department of Chemical and Biomolecular Engineering, Tulane University , New Orleans, Louisiana 70118, United States
| | - Joseph C Cremaldi
- Department of Chemical and Biomolecular Engineering, Tulane University , New Orleans, Louisiana 70118, United States
| | - Mary Kathleen Holleran
- Department of Chemical and Biomolecular Engineering, Tulane University , New Orleans, Louisiana 70118, United States
| | - Thiruselvam Ponnusamy
- Department of Chemical and Biomolecular Engineering, Tulane University , New Orleans, Louisiana 70118, United States
| | - Jibao He
- Department of Chemical and Biomolecular Engineering, Tulane University , New Orleans, Louisiana 70118, United States
| | - Noshir S Pesika
- Department of Chemical and Biomolecular Engineering, Tulane University , New Orleans, Louisiana 70118, United States
- Vector Borne Infectious Diseases Research Center, Tulane University , New Orleans, Louisiana 70112, United States
| | - Vijay T John
- Department of Chemical and Biomolecular Engineering, Tulane University , New Orleans, Louisiana 70118, United States
- Vector Borne Infectious Diseases Research Center, Tulane University , New Orleans, Louisiana 70112, United States
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Zhang A, Bai H, Li L. Breath Figure: A Nature-Inspired Preparation Method for Ordered Porous Films. Chem Rev 2015; 115:9801-68. [PMID: 26284609 DOI: 10.1021/acs.chemrev.5b00069] [Citation(s) in RCA: 230] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Aijuan Zhang
- College of Materials, Xiamen University , Xiamen, 361005, People's Republic of China
| | - Hua Bai
- College of Materials, Xiamen University , Xiamen, 361005, People's Republic of China
| | - Lei Li
- College of Materials, Xiamen University , Xiamen, 361005, People's Republic of China
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Arora JS, Ponnusamy T, Zheng R, Venkataraman P, Raghavan SR, Blake D, John VT. Spatially directed vesicle capture in the ordered pores of breath-figure polymer films. SOFT MATTER 2015; 11:5188-5191. [PMID: 26021456 DOI: 10.1039/c5sm01068c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
This work describes a new method to selectively capture liposomes and other vesicle entities in the patterned pores of breath-figure polymer films. The process involves the deposition of a hydrophobe containing biopolymer in the pores of the breath figure, and the tethering of vesicles to the biopolymer through hydrophobic interactions. The process is versatile, can be scaled up and extended to the deposition of other functional materials in the pores of breath figures.
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Affiliation(s)
- J S Arora
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA.
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Yu B, Cong H, Li Z, Yuan H, Peng Q, Chi M, Yang S, Yang R, Ranil Wickramasinghe S, Tang J. Fabrication of highly ordered porous membranes of cellulose triacetate on ice substrates using breath figure method. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/polb.23667] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Bing Yu
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
- Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University; China
| | - Hailin Cong
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
- Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University; China
| | - Zejing Li
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
- Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University; China
| | - Hua Yuan
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
| | - Qiaohong Peng
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
| | - Ming Chi
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
| | - Shujing Yang
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
| | - Ruixia Yang
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
| | | | - Jianguo Tang
- Department of Material Science and Engineering; College of Chemical Engineering, Qingdao University; Qingdao 266071 China
- Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University; China
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