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Zhu X, Zhang Y, Man Z, Lu W, Chen W, Xu J, Bao N, Chen W, Wu G. Microfluidic-Assembled Covalent Organic Frameworks@Ti 3 C 2 T x MXene Vertical Fibers for High-Performance Electrochemical Supercapacitors. Adv Mater 2023; 35:e2307186. [PMID: 37619540 DOI: 10.1002/adma.202307186] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/17/2023] [Indexed: 08/26/2023]
Abstract
The delicate design of innovative and sophisticated fibers with vertical porous skeleton and eminent electrochemical activity to generate directional ionic pathways and good faradic charge accessibility is pivotal but challenging for realizing high-performance fiber-shaped supercapacitors (FSCs). Here, hierarchically ordered hybrid fiber combined vertical-aligned and conductive Ti3 C2 Tx MXene (VA-Ti3 C2 Tx ) with interstratified electroactive covalent organic frameworks LZU1 (COF-LZU1) by one-step microfluidic synthesis is developed. Due to the incorporation of vertical channels, abundant redox active sites and large accessible surface area throughout the electrode, the VA-Ti3 C2 Tx @COF-LZU1 fibers express exceptional gravimetric capacitance of 787 F g-1 in a three-electrode system. Additionally, the solid-state asymmetric FSCs deliver a prominent energy density of 27 Wh kg-1 , capacitance of 398 F g-1 and cycling life of 20 000 cycles. The key to high energy storage ability originates from the decreased ions adsorption energy and ameliorative charge density distribution in vertically aligned and active hybrid fiber, accelerating ions transportation/accommodation and interfacial electrons transfer. Benefiting from excellent electrochemical performance, the FSCs offer sufficient energy supply to power watches, flags, and digital display tubes as well as be integrated with sensors to detect pulse signals, which opens a promising route for architecting advanced fiber toward the carbon neutrality market beyond energy-storage technology.
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Affiliation(s)
- Xiaolin Zhu
- National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Zhejiang Sci-Tech University, Shaoxing, 312000, P. R. China
| | - Yang Zhang
- National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Zhejiang Sci-Tech University, Shaoxing, 312000, P. R. China
| | - Zengming Man
- National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Zhejiang Sci-Tech University, Shaoxing, 312000, P. R. China
| | - Wangyang Lu
- National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Zhejiang Sci-Tech University, Shaoxing, 312000, P. R. China
| | - Wei Chen
- National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Zhejiang Sci-Tech University, Shaoxing, 312000, P. R. China
| | - Jianhong Xu
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Ningzhong Bao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, P. R. China
| | - Wenxing Chen
- National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Zhejiang Sci-Tech University, Shaoxing, 312000, P. R. China
| | - Guan Wu
- National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Zhejiang Sci-Tech University, Shaoxing, 312000, P. R. China
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Cao UMN, Zhang Y, Chen J, Sayson D, Pillai S, Tran SD. Microfluidic Organ-on-A-chip: A Guide to Biomaterial Choice and Fabrication. Int J Mol Sci 2023; 24:ijms24043232. [PMID: 36834645 PMCID: PMC9966054 DOI: 10.3390/ijms24043232] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/29/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
Organ-on-A-chip (OoAC) devices are miniaturized, functional, in vitro constructs that aim to recapitulate the in vivo physiology of an organ using different cell types and extracellular matrix, while maintaining the chemical and mechanical properties of the surrounding microenvironments. From an end-point perspective, the success of a microfluidic OoAC relies mainly on the type of biomaterial and the fabrication strategy employed. Certain biomaterials, such as PDMS (polydimethylsiloxane), are preferred over others due to their ease of fabrication and proven success in modelling complex organ systems. However, the inherent nature of human microtissues to respond differently to surrounding stimulations has led to the combination of biomaterials ranging from simple PDMS chips to 3D-printed polymers coated with natural and synthetic materials, including hydrogels. In addition, recent advances in 3D printing and bioprinting techniques have led to the powerful combination of utilizing these materials to develop microfluidic OoAC devices. In this narrative review, we evaluate the different materials used to fabricate microfluidic OoAC devices while outlining their pros and cons in different organ systems. A note on combining the advances made in additive manufacturing (AM) techniques for the microfabrication of these complex systems is also discussed.
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Zhang Y, Croft CF, Cattrall RW, Kolev SD. Microfluidic Fabrication of Micropolymer Inclusion Beads for the Recovery of Gold from Electronic Scrap. ACS Appl Mater Interfaces 2021; 13:61661-61668. [PMID: 34910470 DOI: 10.1021/acsami.1c19506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A composite material, referred to as micropolymer inclusion beads (μPIBs), was fabricated for the first time using a microfluidic technique and applied successfully for the recovery of Au(III) from simulated digests of electronic scrap. Best results for the extraction of Au(III) were achieved with μPIBs consisting of 55% (m/m) poly(vinyl chloride) as the base polymer, 35% (m/m) Aliquat 336 as the extractant, and 10% (m/m) 1-tetradecanol as a modifier. The size and surface morphology of the μPIBs were examined using optical microscopy and scanning electron microscopy, respectively. A batch of 200 mg μPIBs allowed the complete and selective extraction of Au(III) (2.85 mg) from 50 mL of a simulated digest of electronic scrap containing other metal ions, including 1365 mg Cu(II). The extracted Au(III) was quantitatively stripped from the μPIBs into 50 mL of 0.1 mol L-1 solution of thiourea. No Cu(II) and only sub-microgram levels of Cd(II) and Zn(II) were detected in this solution, thus confirming the suitability of the μPIBs for the efficient recovery of Au(III) from digests of electronic scrap. The microfluidic method used in this study is expected to be applicable for the fabrication of μPIBs for the selective separation of other chemical species by varying the composition of the beads.
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Affiliation(s)
- Yanlin Zhang
- School of Chemistry, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Charles F Croft
- School of Chemistry, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Robert W Cattrall
- School of Chemistry, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Spas D Kolev
- School of Chemistry, The University of Melbourne, Melbourne, Victoria 3010, Australia
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Gao Y, Jin X. Dual Crosslinked Methacrylated Alginate Hydrogel Micron Fibers and Tissue Constructs for Cell Biology. Mar Drugs 2019; 17:E557. [PMID: 31569386 PMCID: PMC6836215 DOI: 10.3390/md17100557] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/18/2019] [Accepted: 09/26/2019] [Indexed: 12/20/2022] Open
Abstract
As an important natural polysaccharide biomaterial from marine organisms, alginate and its derivatives have shown great potential in the fabrication of biomedical materials such as tissue engineering, cell biology, drug delivery, and pharmaceuticals due to their excellent biological activity and controllable physicochemical properties. Ionic crosslinking is the most common method used in the preparation of alginate-based biomaterials, but ionic crosslinked alginate hydrogels are prone to decompose in physiological solution, which hinders their applications in biomedical fields. In this study, dual crosslinked alginate hydrogel microfibers were prepared for the first time. The ionic crosslinked methacrylated alginate (Alg-MA) hydrogel microfibers fabricated by Microfluidic Fabrication (MFF) system were exposed to ultraviolet (UV) light and covalent crosslink between methacrylate groups avoided the fracture of dual crosslinked macromolecular chains in organizational environment. The chemical structures, swelling ratio, mechanical performance, and stability were investigated. Cell-encapsulated dual crosslinked Alg-MA hydrogel microfibers were fabricated to explore the application in tissue engineering for the first time. The hydrogel microfibers provided an excellent 3D distribution and growth conditions for cells. Cell-encapsulated Alg-MA microfibers scaffolds with functional 3D tissue structures were developed which possessed great potential in the production of next-generation scaffolds for tissue engineering and regenerative medicine.
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Affiliation(s)
- Yingjun Gao
- Key Laboratory of Textile Science and Technology of the Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China.
| | - Xiangyu Jin
- Key Laboratory of Textile Science and Technology of the Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China.
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Hsieh YK, Chen SC, Huang WL, Hsu KP, Gorday KAV, Wang T, Wang J. Direct Micromachining of Microfluidic Channels on Biodegradable Materials Using Laser Ablation. Polymers (Basel) 2017; 9:E242. [PMID: 30970919 DOI: 10.3390/polym9070242] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 06/12/2017] [Accepted: 06/15/2017] [Indexed: 01/20/2023] Open
Abstract
Laser patterning on polymeric materials is considered a green and rapid manufacturing process with low material selection barrier and high adjustability. Unlike microelectromechanical systems (MEMS), it is a highly flexible processing method, especially useful for prototyping. This study focuses on the development of polymer surface modification method using a 193 nm excimer laser system for the design and fabrication of a microfluidic system similar to that of natural vasculatures. Besides from poly(dimethyl siloxane) (PDMS), laser ablation on biodegradable polymeric material, poly(glycerol sebacate) (PGS) and poly(1,3-diamino-2-hydroxypropane-co-polyol sebacate) (APS) are investigated. Parameters of laser ablation and fabrication techniques to create microchannels are discussed. The results show that nano/micro-sized fractures and cracks are generally observed across PDMS surface after laser ablation, but not on PGS and APS surfaces. The widths of channels are more precise on PGS and APS than those on PDMS. Laser beam size and channel depth are high correlation with a linear relationship. Repeated laser ablations on the same position of scaffolds reveal that the ablation efficiencies and edge quality on PGS and APS are higher than on PDMS, suggesting the high applicability of direct laser machining to PGS and APS. To ensure stable ablation efficiency, effects of defocus distance into polymer surfaces toward laser ablation stability are investigated. The depth of channel is related to the ratio of firing frequency and ablation progression speed. The hydrodynamic simulation of channels suggests that natural blood vessel is similar to the laser patterned U-shaped channels, and the resulting micro-patterns are highly applicable in the field of micro-fabrication and biomedical engineering.
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Xie X, Zhang W, Abbaspourrad A, Ahn J, Bader A, Bose S, Vegas A, Lin J, Tao J, Hang T, Lee H, Iverson N, Bisker G, Li L, Strano MS, Weitz DA, Anderson DG. Microfluidic Fabrication of Colloidal Nanomaterials-Encapsulated Microcapsules for Biomolecular Sensing. Nano Lett 2017; 17:2015-2020. [PMID: 28152589 DOI: 10.1021/acs.nanolett.7b00026] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Implantable sensors that detect biomarkers in vivo are critical for early disease diagnostics. Although many colloidal nanomaterials have been developed into optical sensors to detect biomolecules in vitro, their application in vivo as implantable sensors is hindered by potential migration or clearance from the implantation site. One potential solution is incorporating colloidal nanosensors in hydrogel scaffold prior to implantation. However, direct contact between the nanosensors and hydrogel matrix has the potential to disrupt sensor performance. Here, we develop a hollow-microcapsule-based sensing platform that protects colloidal nanosensors from direct contact with hydrogel matrix. Using microfluidics, colloidal nanosensors were encapsulated in polyethylene glycol microcapsules with liquid cores. The microcapsules selectively trap the nanosensors within the core while allowing free diffusion of smaller molecules such as glucose and heparin. Glucose-responsive quantum dots or gold nanorods or heparin-responsive gold nanorods were each encapsulated. Microcapsules loaded with these sensors showed responsive optical signals in the presence of target biomolecules (glucose or heparin). Furthermore, these microcapsules can be immobilized into biocompatible hydrogel as implantable devices for biomolecular sensing. This technique offers new opportunities to extend the utility of colloidal nanosensors from solution-based detection to implantable device-based detection.
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Affiliation(s)
- Xi Xie
- The First Affiliated Hospital, School of Electronics and Information Technology, Sun Yat-Sen University , Guangzhou 510275, China
| | - Weixia Zhang
- School of Engineering and Applied Sciences, Department of Physics, Harvard University , Cambridge, Massachusetts 02138, United States
| | - Alireza Abbaspourrad
- School of Engineering and Applied Sciences, Department of Physics, Harvard University , Cambridge, Massachusetts 02138, United States
- Department of Food Science, Cornell University , Ithaca, New York 14853, United States
| | | | | | | | | | | | - Jun Tao
- The First Affiliated Hospital, School of Electronics and Information Technology, Sun Yat-Sen University , Guangzhou 510275, China
| | - Tian Hang
- The First Affiliated Hospital, School of Electronics and Information Technology, Sun Yat-Sen University , Guangzhou 510275, China
| | - Hyomin Lee
- School of Engineering and Applied Sciences, Department of Physics, Harvard University , Cambridge, Massachusetts 02138, United States
| | | | | | | | | | - David A Weitz
- School of Engineering and Applied Sciences, Department of Physics, Harvard University , Cambridge, Massachusetts 02138, United States
| | - Daniel G Anderson
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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