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Honaker LW, Gao TN, de Graaf KR, Bogaardt TVM, Vink P, Stürzer T, Kociok-Köhn G, Zuilhof H, Miloserdov FM, Deshpande S. 2D and 3D Self-Assembly of Fluorine-Free Pillar-[5]-Arenes and Perfluorinated Diacids at All-Aqueous Interfaces. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2401807. [PMID: 38790132 DOI: 10.1002/advs.202401807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Indexed: 05/26/2024]
Abstract
The interaction of perfluorinated molecules, also known as "forever chemicals" due to their pervasiveness, with their environment remains an important yet poorly understood topic. In this work, the self-assembly of perfluorinated molecules with multivalent hosts, pillar-[5]-arenes, is investigated. It is found that perfluoroalkyl diacids and pillar-[5]-arenes rapidly and strongly complex with each other at aqueous interfaces, forming solid interfacially templated films. Their complexation is shown to be driven primarily by fluorophilic aggregation and assisted by electrostatic interactions, as supported by the crystal structure of the complexes, and leads to the formation of quasi-2D phase-separated films. This self-assembly process can be further manipulated using aqueous two-phase system microdroplets, enabling the controlled formation of 3D micro-scaffolds.
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Affiliation(s)
- Lawrence W Honaker
- Laboratory of Physical Chemistry and Soft Matter, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
| | - Tu-Nan Gao
- Laboratory of Organic Chemistry, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
- Biobased Chemistry and Technology, Wageningen University & Research, Wageningen, 6708 WG, The Netherlands
| | - Kelsey R de Graaf
- Laboratory of Physical Chemistry and Soft Matter, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
- Laboratory of Organic Chemistry, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
| | - Tessa V M Bogaardt
- Laboratory of Physical Chemistry and Soft Matter, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
| | - Pim Vink
- Laboratory of Physical Chemistry and Soft Matter, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
| | | | | | - Han Zuilhof
- Laboratory of Organic Chemistry, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, P. R. China
- China-Australia Institute for Advanced Materials and Manufacturing, Jiaxing University, Jiaxing, 314001, P. R. China
| | - Fedor M Miloserdov
- Laboratory of Organic Chemistry, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
| | - Siddharth Deshpande
- Laboratory of Physical Chemistry and Soft Matter, Wageningen University & Research, Wageningen, 6708 WE, The Netherlands
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Ngocho K, Yang X, Wang Z, Hu C, Yang X, Shi H, Wang K, Liu J. Synthetic Cells from Droplet-Based Microfluidics for Biosensing and Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2400086. [PMID: 38563581 DOI: 10.1002/smll.202400086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/13/2024] [Indexed: 04/04/2024]
Abstract
Synthetic cells function as biological mimics of natural cells by mimicking salient features of cells such as metabolism, response to stimuli, gene expression, direct metabolism, and high stability. Droplet-based microfluidic technology presents the opportunity for encapsulating biological functional components in uni-lamellar liposome or polymer droplets. Verified by its success in the fabrication of synthetic cells, microfluidic technology is widely replacing conventional labor-intensive, expensive, and sophisticated techniques justified by its ability to miniaturize and perform batch production operations. In this review, an overview of recent research on the preparation of synthetic cells through droplet-based microfluidics is provided. Different synthetic cells including lipid vesicles (liposome), polymer vesicles (polymersome), coacervate microdroplets, and colloidosomes, are systematically discussed. Efforts are then made to discuss the design of a variety of microfluidic chips for synthetic cell preparation since the combination of microfluidics with bottom-up synthetic biology allows for reproductive and tunable construction of batches of synthetic cell models from simple structures to higher hierarchical structures. The recent advances aimed at exploiting them in biosensors and other biomedical applications are then discussed. Finally, some perspectives on the challenges and future developments of synthetic cell research with microfluidics for biomimetic science and biomedical applications are provided.
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Affiliation(s)
- Kleins Ngocho
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
| | - Xilei Yang
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
| | - Zefeng Wang
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
| | - Cunjie Hu
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
| | - Xiaohai Yang
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
| | - Hui Shi
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
| | - Kemin Wang
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
| | - Jianbo Liu
- State key laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, P. R. China
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Tigner T, Scull G, Brown AC, Alge DL. Microparticle Hydrogel Material Properties Emerge from Mixing-Induced Homogenization in a Poly(ethylene glycol) and Dextran Aqueous Two-Phase System. Macromolecules 2023; 56:8518-8528. [PMID: 38357014 PMCID: PMC10863057 DOI: 10.1021/acs.macromol.3c00557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 10/06/2023] [Accepted: 10/16/2023] [Indexed: 02/16/2024]
Abstract
Polymer-polymer aqueous two-phase systems (ATPSs) are attractive for microgel synthesis, but given the complexity of phase separation, predicting microgel material properties from ATPS formulations is not trivial. The objective of this study was to determine how the phase diagram of a poly(ethylene glycol) (PEG) and dextran ATPS is related to the material properties of PEG microgel products. PEG-dextran ATPSs were prepared from four-arm 20 kDa PEG-norbornene and 40 kDa dextran in phosphate buffered saline (PBS), and the phase diagram was constructed. PEG microgels were synthesized from five ATPS formulations using an oligopeptide cross-linker and thiol-norbornene photochemistry. Thermogravimetric analysis (TGA) revealed that the polymer concentration of microgel pellets linearly correlates with the average concentration of PEG in the ATPS rather than the separated phase compositions, as determined from the phase diagram. Atomic force microscopy (AFM) and bulk rheology studies demonstrated that the mechanical properties of microgels rely on both the average concentration of PEG in the ATPS and the ATPS volume ratio as determined from the phase diagram. These findings suggest that PEG-dextran ATPSs undergo homogenization upon mixing, which principally determines the material properties of the microgels upon gelation.
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Affiliation(s)
- Thomas
J. Tigner
- Department
of Biomedical Engineering, Texas A&M
University, College of Engineering, College Station, Texas 77845, United States
| | - Grant Scull
- Joint
Department of Biomedical Engineering, North
Carolina State University and University of North Carolina at Chapel
Hill, College of Engineering, Raleigh, North Carolina 27695, United States
- Comparative
Medicine Institute, North Carolina State
University, Raleigh, North Carolina 27695, United States
| | - Ashley C. Brown
- Joint
Department of Biomedical Engineering, North
Carolina State University and University of North Carolina at Chapel
Hill, College of Engineering, Raleigh, North Carolina 27695, United States
- Comparative
Medicine Institute, North Carolina State
University, Raleigh, North Carolina 27695, United States
| | - Daniel L. Alge
- Department
of Biomedical Engineering, Texas A&M
University, College of Engineering, College Station, Texas 77845, United States
- Department of Material Science and Engineering, Texas A&M University, College of Engineering, College Station, Texas 77845, United States
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Zhang Q, Xie T, Yi X, Xing G, Feng S, Chen S, Li Y, Lin JM. Microfluidic Aqueous Two-Phase Focusing of Chemical Species for In Situ Subcellular Stimulation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45640-45650. [PMID: 37733946 DOI: 10.1021/acsami.3c09665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Confinement of chemical species in a controllable micrometer-level (several to a dozen micrometers) space in an aqueous environment is essential for precisely manipulating chemical events in subcellular regions. However, rapid diffusion and hard-to-control micrometer-level fluids make it a tough challenge. Here, a versatile open microfluidic method based on an aqueous two-phase system (ATPS) is developed to restrict species inside an open space with micron-level width. Unequal standard chemical potentials of the chemical species in two phases and space-time correspondence in the microfluidic system prevent outward diffusion across the phase interface, retaining the target species inside its preferred phase flow and creating a sharp boundary with a dramatic concentration change. Then, the chemical flow (the preferred phase with target chemical species) is precisely manipulated by a microfluidic probe, which can be compressed to a micron-level width and aimed at an arbitrary position of the sample. As a demonstration of the feasibility and versatility of the strategy, chemical flow is successfully applied to subcellular regions of various kinds of living single cells. Subcellular regions are successfully labeled (cytomembrane and mitochondria) and damaged. Healing-regeneration behaviors of living single cells are triggered by subcellular damage and analyzed. The method is relatively general regarding the species of chemicals and biosamples, which could promote deeper cell research.
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Affiliation(s)
- Qiang Zhang
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Tianze Xie
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xizhen Yi
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Gaowa Xing
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Shuo Feng
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Shulang Chen
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yuxuan Li
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jin-Ming Lin
- Beijing Key Laboratory of Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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Yan S, Regenstein JM, Zhang S, Huang Y, Qi B, Li Y. Edible particle-stabilized water-in-water emulsions: Stabilization mechanisms, particle types, interfacial design, and practical applications. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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Chairez-Cantu K, González-González M, Rito-Palomares M. Generation of polyethylene glycol-dextran aqueous two-phase system droplets using different culture media under in vitro conditions. FOOD AND BIOPRODUCTS PROCESSING 2023. [DOI: 10.1016/j.fbp.2023.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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