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Veloso WB, Paixão TRLC, Meloni GN. The Current Shortcomings and Future Possibilities of 3D Printed Electrodes. Anal Chem 2024; 96:14315-14319. [PMID: 39193820 PMCID: PMC11391405 DOI: 10.1021/acs.analchem.4c02127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
3D printing has changed many industries and research areas, and it is poised to do the same for electrochemistry and electroanalytical sciences. The ability to easily shape electrically conductive parts in complex geometries, something very difficult to do using traditional manufacturing techniques, can now be easily accomplished at home, opening the possibility of fabricating electrodes and electrochemical cells with geometries that were once unimaginable. This ability can be a milestone in electrochemistry, allowing the fabrication of systems tailored to specific applications. Unfortunately, this is not what is seen to date, with 3D printing mostly reproducing "traditional" designs, using little of the "freedom of design" promised by the technology. We reason that these results come from too much focus on reproducing the electrochemical behavior of metallic electrodes instead of understanding how material properties impact the performance of 3D printed electrodes and working within these constraints. 3D printing will change electrochemistry and electroanalytical sciences if we understand and learn to work with its limitations.
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Affiliation(s)
- William B Veloso
- Institute of Chemistry, Department of Fundamental Chemistry, University of São Paulo, São Paulo, SP 05508-000, Brazil
| | - Thiago R L C Paixão
- Institute of Chemistry, Department of Fundamental Chemistry, University of São Paulo, São Paulo, SP 05508-000, Brazil
| | - Gabriel N Meloni
- Institute of Chemistry, Department of Fundamental Chemistry, University of São Paulo, São Paulo, SP 05508-000, Brazil
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2
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Garmasukis R, Hackl C, Charvat A, Mayr SG, Abel B. Rapid prototyping of microfluidic chips enabling controlled biotechnology applications in microspace. Curr Opin Biotechnol 2023; 81:102948. [PMID: 37163825 DOI: 10.1016/j.copbio.2023.102948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 03/30/2023] [Indexed: 05/12/2023]
Abstract
Rapid prototyping of microfluidic chips is a key enabler for controlled biotechnology applications in microspaces, as it allows for the efficient design and production of microfluidic systems. With rapid prototyping, researchers and engineers can quickly create and test new microfluidic chip designs, which can then be optimized for specific applications in biotechnology. One of the key advantages of microfluidic chips for biotechnology is the ability to manipulate and control biological samples in a microspace, which enables precise and controlled experiments under well-defined conditions. This is particularly useful for applications such as cell culture, drug discovery, and diagnostic assays, where precise control over the biological environment is crucial for obtaining accurate results. Established methods, for example, soft lithography, 3D printing, injection molding, as well as other recently highlighted innovative approaches, will be compared and challenges as well as limitations will be discussed. It will be shown that rapid prototyping of microfluidic chips enables the use of advanced materials and technologies, such as smart materials and digital sensors, which can further enhance the capabilities of microfluidic systems for biotechnology applications. Overall, rapid prototyping of microfluidic chips is an important enabling technology for controlled biotechnology applications in microspaces, as well as for upscaling it into macroscopic bioreactors, and its continued development and improvement will play a critical role in advancing the field. The review will highlight recent trends in terms of materials and competing approaches and shed light on current challenges on the way toward integrated microtechnologies. Also, the possibility to easy and direct implementation of novel functions (membranes, functionalization of interfaces, etc.) is discussed.
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Affiliation(s)
- Rokas Garmasukis
- Leibniz-Institute of Surface Engineering Leipzig (IOM), Permoserstr. 15, 04318 Leipzig, Germany; Helmholtz-Centre for Environmental Research (UFZ), Permoserstr.15, 04318 Leipzig, Germany
| | - Claudia Hackl
- Leibniz-Institute of Surface Engineering Leipzig (IOM), Permoserstr. 15, 04318 Leipzig, Germany
| | - Ales Charvat
- Institute of Chemical Technology, University Leipzig, Linnéstr. 3, 04103 Leipzig, Germany
| | - Stefan G Mayr
- Leibniz-Institute of Surface Engineering Leipzig (IOM), Permoserstr. 15, 04318 Leipzig, Germany
| | - Bernd Abel
- Institute of Chemical Technology, University Leipzig, Linnéstr. 3, 04103 Leipzig, Germany.
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Su R, Wang F, McAlpine MC. 3D printed microfluidics: advances in strategies, integration, and applications. LAB ON A CHIP 2023; 23:1279-1299. [PMID: 36779387 DOI: 10.1039/d2lc01177h] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The ability to construct multiplexed micro-systems for fluid regulation could substantially impact multiple fields, including chemistry, biology, biomedicine, tissue engineering, and soft robotics, among others. 3D printing is gaining traction as a compelling approach to fabricating microfluidic devices by providing unique capabilities, such as 1) rapid design iteration and prototyping, 2) the potential for automated manufacturing and alignment, 3) the incorporation of numerous classes of materials within a single platform, and 4) the integration of 3D microstructures with prefabricated devices, sensing arrays, and nonplanar substrates. However, to widely deploy 3D printed microfluidics at research and commercial scales, critical issues related to printing factors, device integration strategies, and incorporation of multiple functionalities require further development and optimization. In this review, we summarize important figures of merit of 3D printed microfluidics and inspect recent progress in the field, including ink properties, structural resolutions, and hierarchical levels of integration with functional platforms. Particularly, we highlight advances in microfluidic devices printed with thermosetting elastomers, printing methodologies with enhanced degrees of automation and resolution, and the direct printing of microfluidics on various 3D surfaces. The substantial progress in the performance and multifunctionality of 3D printed microfluidics suggests a rapidly approaching era in which these versatile devices could be untethered from microfabrication facilities and created on demand by users in arbitrary settings with minimal prior training.
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Affiliation(s)
- Ruitao Su
- School of Mechanical and Power Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, China
| | - Fujun Wang
- Department of Mechanical Engineering, University of Minnesota, 111 Church Street SE, Minneapolis, MN 55455, USA.
| | - Michael C McAlpine
- Department of Mechanical Engineering, University of Minnesota, 111 Church Street SE, Minneapolis, MN 55455, USA.
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Esene JE, Boaks M, Bickham AV, Nordin GP, Woolley AT. 3D printed microfluidic device for automated, pressure-driven, valve-injected microchip electrophoresis of preterm birth biomarkers. Mikrochim Acta 2022; 189:204. [PMID: 35484354 PMCID: PMC10079432 DOI: 10.1007/s00604-022-05303-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 03/31/2022] [Indexed: 11/30/2022]
Abstract
A 3D printed, automated, pressure-driven injection microfluidic system for microchip electrophoresis (µCE) of preterm birth (PTB)-related peptides and proteins has been developed. Functional microvalves were formed, either with a membrane thickness of 5 µm and a layer exposure time of 450 ms or with a membrane thickness of 10 µm and layer exposure times of 300-350 ms. These valves allowed for control of fluid flow in device microchannels during sample injection for µCE separation. Device design and µCE conditions using fluorescently labeled amino acids were optimized. A sample injection time of 0.5 s and a separation voltage of 450 V (460 V/cm) yielded the best separation efficiency and resolution. We demonstrated the first µCE separation with pressure-driven injection in a 3D printed microfluidic device using fluorescently labeled PTB biomarkers and 532 nm laser excitation. Detection limits for two PTB biomarkers, peptide 1 and peptide 2, for an injection time of 1.5 s were 400 pM and 15 nM, respectively, and the linear detection range for peptide 2 was 50-400 nM. This 3D printed microfluidic system holds promise for future integration of on-chip sample preparation processes with µCE, offering promising possibilities for PTB risk assessment.
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Affiliation(s)
- Joule E Esene
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Mawla Boaks
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, 84602, USA
| | - Anna V Bickham
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Gregory P Nordin
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, 84602, USA
| | - Adam T Woolley
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA.
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Miniaturized 3D printed solid-phase extraction cartridges with integrated porous frits. Anal Chim Acta 2022; 1208:339790. [DOI: 10.1016/j.aca.2022.339790] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 03/10/2022] [Accepted: 03/29/2022] [Indexed: 01/23/2023]
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Zhang Y, Spitzer L, Rui X, Fernandes SCM, Vaugeois R, Simpson BK. Evaluation of the Preservation and Digestion of Seal Meat Processed with Heating and Antioxidant Seal Meat Hydrolysates. Mar Drugs 2022; 20:md20030204. [PMID: 35323504 PMCID: PMC8953424 DOI: 10.3390/md20030204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 02/22/2022] [Accepted: 03/08/2022] [Indexed: 11/18/2022] Open
Abstract
Seal meat is of high nutritive value but is not highly exploited for human food due to ethical issues, undesirable flavors, and loss of nutrients during the processing/cooking step. In this work, commercially available processed seal meat was treated with its hydrolysates as preservatives with the aim of improving nutrient bioavailability. The contents of the nutrients were analyzed after digestion using a simulated dynamic digestion model, and the effects of different processing conditions, i.e., low-temperature processing and storage (25 °C) and high-temperature cooking (100 °C), of seal meat were investigated. Hydrolysates with antioxidant activity decreased the amounts of the less desirable Fe3+ ions in the seal meat digests. After treatment with hydrolysates at room temperature, a much higher total Fe content of 781.99 mg/kg was observed compared to other treatment conditions. The release of amino acids increased with temperature and was 520.54 mg/g for the hydrolysate-treated sample versus 413.12 mg/g for the control seal meat sample treated in buffer. Overall, this study provides useful data on the potential use of seal meat as a food product with high nutritive value and seal meat hydrolysates with antioxidant activity as preservatives to control oxidation in food.
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Affiliation(s)
- Yi Zhang
- Department of Food and Science and Agricultural Chemistry, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
- E2S UPPA, CNRS, IPREM, Université de Pau et des Pays de l’Adour, 64000 Pau, France; (L.S.); (S.C.M.F.)
- Correspondence: (Y.Z.); (B.K.S.); Tel.: +1-514-398-7737 (B.K.S.)
| | - Lea Spitzer
- E2S UPPA, CNRS, IPREM, Université de Pau et des Pays de l’Adour, 64000 Pau, France; (L.S.); (S.C.M.F.)
| | - Xin Rui
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China;
| | - Susana C. M. Fernandes
- E2S UPPA, CNRS, IPREM, Université de Pau et des Pays de l’Adour, 64000 Pau, France; (L.S.); (S.C.M.F.)
| | - Romy Vaugeois
- Les Entreprises SeaDNA Canada Inc., Sainte-Brigitte-de-Laval, QC G0A 3K0, Canada;
| | - Benjamin K. Simpson
- Department of Food and Science and Agricultural Chemistry, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
- Correspondence: (Y.Z.); (B.K.S.); Tel.: +1-514-398-7737 (B.K.S.)
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Zhang Y, Rui X, Vaugeois R, Simpson BK. Seal meat enzymatic hydrolysates and its digests: A comparison on protein and minerals profiles. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zhu X, Wang K, Yan H, Liu C, Zhu X, Chen B. Microfluidics as an Emerging Platform for Exploring Soil Environmental Processes: A Critical Review. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:711-731. [PMID: 34985862 DOI: 10.1021/acs.est.1c03899] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Investigating environmental processes, especially those occurring in soils, calls for innovative and multidisciplinary technologies that can provide insights at the microscale. The heterogeneity, opacity, and dynamics make the soil a "black box" where interactions and processes are elusive. Recently, microfluidics has emerged as a powerful research platform and experimental tool which can create artificial soil micromodels, enabling exploring soil processes on a chip. Micro/nanofabricated microfluidic devices can mimic some of the key features of soil with highly controlled physical and chemical microenvironments at the scale of pores, aggregates, and microbes. The combination of various techniques makes microfluidics an integrated approach for observation, reaction, analysis, and characterization. In this review, we systematically summarize the emerging applications of microfluidic soil platforms, from investigating soil interfacial processes and soil microbial processes to soil analysis and high-throughput screening. We highlight how innovative microfluidic devices are used to provide new insights into soil processes, mechanisms, and effects at the microscale, which contribute to an integrated interrogation of the soil systems across different scales. Critical discussions of the practical limitations of microfluidic soil platforms and perspectives of future research directions are summarized. We envisage that microfluidics will represent the technological advances toward microscopic, controllable, and in situ soil research.
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Affiliation(s)
- Xiangyu Zhu
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China
| | - Kun Wang
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China
| | - Huicong Yan
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China
| | - Congcong Liu
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China
| | - Xiaoying Zhu
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China
| | - Baoliang Chen
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China
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Gülcan O, Günaydın K, Tamer A. The State of the Art of Material Jetting-A Critical Review. Polymers (Basel) 2021; 13:2829. [PMID: 34451366 PMCID: PMC8399222 DOI: 10.3390/polym13162829] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 08/09/2021] [Accepted: 08/13/2021] [Indexed: 01/20/2023] Open
Abstract
Material jetting (MJ) technology is an additive manufacturing method that selectively cures liquid photopolymer to build functional parts. The use of MJ technology has increased in popularity and been adapted by different industries, ranging from biomedicine and dentistry to manufacturing and aviation, thanks to its advantages in printing parts with high dimensional accuracy and low surface roughness. To better understand the MJ technology, it is essential to address the capabilities, applications and the usage areas of MJ. Additionally, the comparison of MJ with alternative methods and its limitations need to be explained. Moreover, the parameters influencing the dimensional accuracy and mechanical properties of MJ printed parts should be stated. This paper aims to review these critical aspects of MJ manufacturing altogether to provide an overall insight into the state of the art of MJ.
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Affiliation(s)
- Orhan Gülcan
- General Electric Aviation, Gebze 41400, Kocaeli, Turkey
| | | | - Aykut Tamer
- Department of Mechanical Engineering, Imperial College London, London SW7 2AZ, UK;
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Dalvand K, Balavandy SK, Li F, Breadmore M, Ghiasvand A. Optimization of smartphone-based on-site-capable uranium analysis in water using a 3D printed microdevice. Anal Bioanal Chem 2021; 413:3243-3251. [PMID: 33751164 DOI: 10.1007/s00216-021-03260-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 02/23/2021] [Accepted: 03/01/2021] [Indexed: 11/29/2022]
Abstract
Recent development of portable three-dimensional printed (3DP) microfluidic-based devices has provided a new horizon for real-time field analysis of environmental pollutants. Smartphones with the possibility of launching different software, sensing, and grading color intensity, as well as capability of sending/receiving data through the internet have made this technology very promising. Here, a novel smartphone-based 3DP microfluidic device is reported that uses an image-based colorimetric detection method for the analysis of uranium in water samples, based on the complex formation of uranyl ions with Arsenazo III. The microfluidic device consists of two horizontal channels, separated by an integrated porous membrane, and was printed in a single run using a transparent photopolymer. It enables the operator to see the internal parts and the color change visually, as well as enables the operator to take images and record the color intensity using a smartphone. In each 3DP run, 220 devices are fabricated in 1.5 h (~ 25 s per device) at an estimated price of $2.5 per device. A Box-Behnken design (BBD) was utilized for the optimization of experimental conditions. The calibration curve was linear within 0.5-100 μg mL-1 (R2 > 0.9925) of uranium analysis. The total time of each experiment was approximately 8 min. The 3DP device was successfully employed for the recovery and determination of uranium in spiked natural water samples.
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Affiliation(s)
- Kolsoum Dalvand
- Department of Chemistry, Lorestan University, Khoramabad, 68178-17133, Iran
| | - Sepideh Keshan Balavandy
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart, Tasmania, 7001, Australia
| | - Feng Li
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart, Tasmania, 7001, Australia
| | - Michael Breadmore
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart, Tasmania, 7001, Australia
| | - Alireza Ghiasvand
- Department of Chemistry, Lorestan University, Khoramabad, 68178-17133, Iran. .,Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart, Tasmania, 7001, Australia.
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