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Sun M, Zhang J, Xuanyuan T, Liu X, Liu W. Facile and Rapid Microcontact Printing of Additive-Free Polydimethylsiloxane for Biological Patterning Diversity. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38597685 DOI: 10.1021/acsami.4c00460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
The development and application of micropatterning technology play a promising role in the manipulation of biological substances and the exploration of life sciences at the microscale. However, the universally adaptable micropatterning method with user-friendly properties for acceptance in routine laboratories remains scarce. Herein, a green, facile, and rapid microcontact printing method is reported for upgrading popularization and diversification of biological patterning. The three-step printing can achieve high simplicity and fidelity of additive-free polydimethylsiloxane (PDMS) micropatterning and chip fabrication within 8 min as well as keep their high stability and diversity. A detailed experimental report is provided to support the advanced microcontact printing method. Furthermore, the applications of easy-to-operate PDMS-patterned chips are extensively validated to complete microdroplet array assembly with spatial control, cell pattern formation with high efficiency and geometry customization, and microtissue assembly and biomimetic tumor construction on a large scale. This straightforward method promotes diverse micropatternings with minimal time, effort, and expertise and maximal biocompatibility, which might broaden its applications in interdisciplinary scientific communities. This work also offers an insight into the establishment of popularized and market-oriented microtools for biomedical purposes such as biosensing, organs on a chip, cancer research, and bioscreening.
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Affiliation(s)
- Meilin Sun
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Jinwei Zhang
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Tingting Xuanyuan
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Xufang Liu
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Wenming Liu
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
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Sun M, Han K, Hu R, Liu D, Fu W, Liu W. Advances in Micro/Nanoporous Membranes for Biomedical Engineering. Adv Healthc Mater 2021; 10:e2001545. [PMID: 33511718 DOI: 10.1002/adhm.202001545] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 01/19/2021] [Indexed: 12/11/2022]
Abstract
Porous membrane materials at the micro/nanoscale have exhibited practical and potential value for extensive biological and medical applications associated with filtration and isolation, cell separation and sorting, micro-arrangement, in-vitro tissue reconstruction, high-throughput manipulation and analysis, and real-time sensing. Herein, an overview of technological development of micro/nanoporous membranes (M/N-PMs) is provided. Various membrane types and the progress documented in membrane fabrication techniques, including the electrochemical-etching, laser-based technology, microcontact printing, electron beam lithography, imprinting, capillary force lithography, spin coating, and microfluidic molding are described. Their key features, achievements, and limitations associated with micro/nanoporous membrane (M/N-PM) preparation are discussed. The recently popularized applications of M/N-PMs in biomedical engineering involving the separation of cells and biomolecules, bioparticle operations, biomimicking, micropatterning, bioassay, and biosensing are explored too. Finally, the challenges that need to be overcome for M/N-PM fabrication and future applications are highlighted.
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Affiliation(s)
- Meilin Sun
- School of Basic Medical Science Central South University Changsha Hunan 410013 China
| | - Kai Han
- School of Basic Medical Science Central South University Changsha Hunan 410013 China
| | - Rui Hu
- School of Basic Medical Science Central South University Changsha Hunan 410013 China
| | - Dan Liu
- School of Basic Medical Science Central South University Changsha Hunan 410013 China
| | - Wenzhu Fu
- School of Basic Medical Science Central South University Changsha Hunan 410013 China
| | - Wenming Liu
- School of Basic Medical Science Central South University Changsha Hunan 410013 China
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Cheng JW, Sip CG, Lindstedt PR, Boitano R, Bluestein BM, Gamble LJ, Folch A. “Chip-on-a-Transwell” Devices for User-Friendly Control of the Microenvironment of Cultured Cells. ACS APPLIED BIO MATERIALS 2019; 2:4998-5011. [DOI: 10.1021/acsabm.9b00672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jonathan W. Cheng
- Department of Bioengineering, University of Washington, Box 355061, Seattle, Washington 98195-5061, United States
| | - Christopher G. Sip
- Department of Bioengineering, University of Washington, Box 355061, Seattle, Washington 98195-5061, United States
| | - Philip R. Lindstedt
- Department of Bioengineering, University of Washington, Box 355061, Seattle, Washington 98195-5061, United States
| | - Ross Boitano
- Department of Bioengineering, University of Washington, Box 355061, Seattle, Washington 98195-5061, United States
| | - Blake M. Bluestein
- Department of Bioengineering, University of Washington, Box 355061, Seattle, Washington 98195-5061, United States
| | - Lara J. Gamble
- Department of Bioengineering, University of Washington, Box 355061, Seattle, Washington 98195-5061, United States
| | - Albert Folch
- Department of Bioengineering, University of Washington, Box 355061, Seattle, Washington 98195-5061, United States
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Heinz O, Aghajani M, Greenberg AR, Ding Y. Surface-patterning of polymeric membranes: fabrication and performance. Curr Opin Chem Eng 2018. [DOI: 10.1016/j.coche.2018.01.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Liang L, Lan F, Li L, Ge S, Yu J, Ren N, Liu H, Yan M. Paper analytical devices for dynamic evaluation of cell surface N-glycan expression via a bimodal biosensor based on multibranched hybridization chain reaction amplification. Biosens Bioelectron 2016; 86:756-763. [PMID: 27476057 DOI: 10.1016/j.bios.2016.07.078] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 07/10/2016] [Accepted: 07/22/2016] [Indexed: 11/17/2022]
Abstract
A novel colorimetric/fluorescence bimodal lab-on-paper cyto-device was fabricated based on concanavalin A (Con A)-integrating multibranched hybridization chain reaction (mHCR). The product of mHCR was modified PtCu nanochains (colorimetric signal label) and graphene quantum dot (fluorescence signal label) for in situ and dynamically evaluating cell surface N-glycan expression. In this strategy, preliminary detection was carried out through colorimetric method, if needed, then the fluorescence method was applied for a precise determination. Au-Ag-paper devices increased the surface areas and active sites for immobilizing larger amount of aptamers, and then specifically and efficiently captured more cancer cells. Moreover, it could effectively reduce the paper background fluorescence. Due to the specific recognition of Con A with mannose and the effective signal amplification of mHCR, the proposed strategy exhibited excellent high sensitivity for the cytosensing of MCF-7 cells ranging from 100 to 1.0×10(7) and 80-5.0×10(7) cellsmL(-1) with the detection limit of 33 and 26 cellsmL(-1) for colorimetric and fluorescence, respectively. More importantly, this strategy was successfully applied to dynamically monitor cell-surface multi-glycans expression on living cells under external stimuli of inhibitors as well as for N-glycan expression inhibitor screening. These results implied that this biosensor has potential in studying complex native glycan-related biological processes and elucidating the N-glycan-related diseases in biological and physiological processes.
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Affiliation(s)
- Linlin Liang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022 China
| | - Feifei Lan
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022 China
| | - Li Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022 China
| | - Shenguang Ge
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022 China; Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan,, Jinan, 250022 China.
| | - Jinghua Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022 China
| | - Na Ren
- School of Biological Science and Technology, University of Jinan, Jinan, 250022 China
| | - Haiyun Liu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022 China
| | - Mei Yan
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022 China
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Eicher D, Ramanathan N, Merten CA. Soft compartmentalization: Combining droplet-based microfluidics with freely accessible cells. Eng Life Sci 2015. [DOI: 10.1002/elsc.201400184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- Dominic Eicher
- Genome Biology Unit; European Molecular Biology Laboratory; Heidelberg Germany
| | - Nirupama Ramanathan
- Genome Biology Unit; European Molecular Biology Laboratory; Heidelberg Germany
| | - Christoph A. Merten
- Genome Biology Unit; European Molecular Biology Laboratory; Heidelberg Germany
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Vulin C, Di Meglio JM, Lindner AB, Daerr A, Murray A, Hersen P. Growing yeast into cylindrical colonies. Biophys J 2014; 106:2214-21. [PMID: 24853750 PMCID: PMC4052359 DOI: 10.1016/j.bpj.2014.02.040] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Revised: 01/28/2014] [Accepted: 02/25/2014] [Indexed: 10/27/2022] Open
Abstract
Microorganisms often form complex multicellular assemblies such as biofilms and colonies. Understanding the interplay between assembly expansion, metabolic yield, and nutrient diffusion within a freely growing colony remains a challenge. Most available data on microorganisms are from planktonic cultures, due to the lack of experimental tools to control the growth of multicellular assemblies. Here, we propose a method to constrain the growth of yeast colonies into simple geometric shapes such as cylinders. To this end, we designed a simple, versatile culture system to control the location of nutrient delivery below a growing colony. Under such culture conditions, yeast colonies grow vertically and only at the locations where nutrients are delivered. Colonies increase in height at a steady growth rate that is inversely proportional to the cylinder radius. We show that the vertical growth rate of cylindrical colonies is not defined by the single-cell division rate, but rather by the colony metabolic yield. This contrasts with cells in liquid culture, in which the single-cell division rate is the only parameter that defines the population growth rate. This method also provides a direct, simple method to estimate the metabolic yield of a colony. Our study further demonstrates the importance of the shape of colonies on setting their expansion. We anticipate that our approach will be a starting point for elaborate studies of the population dynamics, evolution, and ecology of microbial colonies in complex landscapes.
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Affiliation(s)
- Clément Vulin
- Laboratoire Matière et Systèmes Complexes, Centre National de la Recherche Scientifique and Université Paris Diderot, Paris, France
| | - Jean-Marc Di Meglio
- Laboratoire Matière et Systèmes Complexes, Centre National de la Recherche Scientifique and Université Paris Diderot, Paris, France
| | - Ariel B Lindner
- Institut National de la Santé et de la Recherche Médicale, Faculté de Médecine, Université Paris Descartes, Paris, France
| | - Adrian Daerr
- Laboratoire Matière et Systèmes Complexes, Centre National de la Recherche Scientifique and Université Paris Diderot, Paris, France
| | - Andrew Murray
- Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts
| | - Pascal Hersen
- Laboratoire Matière et Systèmes Complexes, Centre National de la Recherche Scientifique and Université Paris Diderot, Paris, France; The Mechanobiology Institute, National University of Singapore, Singapore.
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Su M, Liu H, Ge L, Wang Y, Ge S, Yu J, Yan M. Aptamer-Based electrochemiluminescent detection of MCF-7 cancer cells based on carbon quantum dots coated mesoporous silica nanoparticles. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.08.129] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Toccafondi C, Thorat S, La Rocca R, Scarpellini A, Salerno M, Dante S, Das G. Multifunctional substrates of thin porous alumina for cell biosensors. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2014; 25:2411-2420. [PMID: 24573456 DOI: 10.1007/s10856-014-5178-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Accepted: 02/12/2014] [Indexed: 06/03/2023]
Abstract
We have fabricated anodic porous alumina from thin films (100/500 nm) of aluminium deposited on technological substrates of silicon/glass, and investigated the feasibility of this material as a surface for the development of analytical biosensors aiming to assess the status of living cells. To this goal, porous alumina surfaces with fixed pitch and variable pore size were analyzed for various functionalities. Gold coated (about 25 nm) alumina revealed surface enhanced Raman scattering increasing with the decrease in wall thickness, with factor up to values of approximately 10(4) with respect to the flat gold surface. Bare porous alumina was employed for micro-patterning and observation via fluorescence images of dye molecules, which demonstrated the surface capability for a drug-loading device. NIH-3T3 fibroblast cells were cultured in vitro and examined after 2 days since seeding, and no significant (P > 0.05) differences in their proliferation were observed on porous and non-porous materials. The effect on cell cultures of pore size in the range of 50-130 nm--with pore pitch of about 250 nm--showed no significant differences in cell viability and similar levels in all cases as on a control substrate. Future work will address combination of all above capabilities into a single device.
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Affiliation(s)
- Chiara Toccafondi
- Nanophysics, Istituto Italiano di Tecnologia, via Morego 30, 16163, Genoa, Italy,
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Micropatterned porous membranes for combinatorial cell-based assays. Methods Cell Biol 2014. [PMID: 24560509 DOI: 10.1016/b978-0-12-800281-0.00011-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Here, we describe a protocol for producing micropatterned porous membranes which can be used for combinatorial cell-based assays. We use contact printing to pattern the surface of a porous filter membrane with a thin layer of polydimethylsiloxane (PDMS). This allows the porosity of the filter membrane to be altered at selected locations. Cells can be grown on one side of the filter membrane, while drugs and reagents can be deposited on the porous areas of the other side of the membrane. The reagents can diffuse through the pores of the membrane to the cells. The first part of the protocol describes how to design a stamp and use it to contact print PDMS. The second part describes how to create microprinted membranes for cell-based assays. The method is simple, highly customizable, can be performed at the bench, and can be used to perform combinatorial or time-dependent cell-based assays.
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Cordero D, López-Álvarez M, Rodríguez-Valencia C, Serra J, Chiussi S, González P. In vitro
response of pre-osteoblastic cells to laser microgrooved PEEK. Biomed Mater 2013; 8:055006. [DOI: 10.1088/1748-6041/8/5/055006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Chan KY, Ye WW, Zhang Y, Xiao LD, Leung PH, Li Y, Yang M. Ultrasensitive detection of E. coli O157:H7 with biofunctional magnetic bead concentration via nanoporous membrane based electrochemical immunosensor. Biosens Bioelectron 2013; 41:532-7. [DOI: 10.1016/j.bios.2012.09.016] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2012] [Revised: 09/07/2012] [Accepted: 09/12/2012] [Indexed: 01/24/2023]
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Extracellular matrix protein patterns guide human chondrocytes adhesion and alignment characterized by vimentin and matrilin-3. Colloids Surf B Biointerfaces 2013; 102:730-6. [DOI: 10.1016/j.colsurfb.2012.09.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Revised: 08/29/2012] [Accepted: 09/04/2012] [Indexed: 11/20/2022]
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Vereshchagina E, Mc Glade D, Glynn M, Ducrée J. A hybrid microfluidic platform for cell-based assays via diffusive and convective trans-membrane perfusion. BIOMICROFLUIDICS 2013; 7:34101. [PMID: 24404021 PMCID: PMC3663865 DOI: 10.1063/1.4804250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Accepted: 04/24/2013] [Indexed: 05/07/2023]
Abstract
We present a novel 3D hybrid assembly of a polymer microfluidic chip with polycarbonate track-etched membrane (PCTEM) enabling membrane-supported cell culture. Two chip designs have been developed to establish either diffusive or convective reagent delivery using the integrated PCTEM. While it is well suited to a range of cell-based assays, we specifically employ this platform for the screening of a common antitumor chemotoxic agent (mitomycin C - MMC) on the HL60 myeloid leukemia cell line. The toxic activity of MMC is based on the generation of severe DNA damage in the cells. Using either mode of operation, the HL60 cells were cultured on-chip before, during, and after exposure to MMC at concentrations ranging from 0 to 50 μM. Cell viability was analysed off-chip by the trypan blue dye exclusion assay. The results of the on-chip viability assay were found to be consistent with those obtained off-chip and indicated ca. 40% cell survival at MMC concentration of 50 μM. The catalogue of capabilities of the here described cell assay platform comprises of (i) the culturing of cells either under shear-free conditions or under induced through-membrane flows, (ii) the tight time control of the reagent exposure, (iii) the straightforward assembly of devices, (iv) the flexibility on the choice of the membrane, and, prospectively, (v) the amenability for large-scale parallelization.
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Affiliation(s)
- Elizaveta Vereshchagina
- School of Physical Sciences, National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland
| | - Declan Mc Glade
- School of Physical Sciences, National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland
| | - Macdara Glynn
- Biomedical Diagnostics Institute, National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland
| | - Jens Ducrée
- School of Physical Sciences, National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland ; Biomedical Diagnostics Institute, National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland
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