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Daradmare S, Son H, Lee CS. Fabrication and Morphological Control of Nonspherical Alginate Hydrogel Particles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:13876-13889. [PMID: 37725665 DOI: 10.1021/acs.langmuir.3c01404] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
We report a simple platform for the fabrication of nonspherical alginate hydrogel particles using a dripping method. Hydrogel particles with novel morphologies, such as vortex ring, teardrop, disk, sphere, and mushroom, are fabricated by controlling various parameters. We monitored the deformation process of the hydrogel particles after they penetrated the crosslinking solution using a high-speed camera. Then, we proposed a mechanism showing a unique morphological transformation from a spherical to a disk shape. We demonstrated how controlling the collecting height that causes the drop impact force against the crosslinking solution surface was critical to producing hydrogel particles with these intriguing shapes. In particular, disk-shaped alginate particles show their ability as potential platforms for culturing mouse adrenocortical tumor cells (Y1) and a hippocampal neuronal cell (HT-22). To modify alginate particles, cell-adhesive gelatin is incorporated into the alginate matrix and then alginate particles are coated with poly(allylamine hydrochloride). Two modified alginate particles show good adhesion and proliferation rates on their surfaces. In particular, the hybrid hydrogel particles provide great potential to be developed into promising materials for cell culture, drug delivery, and tissue engineering.
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Affiliation(s)
- Sneha Daradmare
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Huiseong Son
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Chang-Soo Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
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2
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Farooqi ZH, Vladisavljević GT, Pamme N, Fatima A, Begum R, Irfan A, Chen M. Microfluidic Fabrication and Applications of Microgels and Hybrid Microgels. Crit Rev Anal Chem 2023; 54:2435-2449. [PMID: 36757081 DOI: 10.1080/10408347.2023.2177097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Smart microgels have gained much attention because of their wide range of applications in the field of biomedical, environmental, nanotechnological and catalysis sciences. Most of the applications of microgels are strongly affected by their morphology, size and size distribution. Various methodologies have been adopted to obtain polymer microgel particles. Droplet microfluidic techniques have been widely reported for the fabrication of highly monodisperse microgel particles to be used for various applications. Monodisperse microgel particles of required size and morphology can be achieved via droplet microfluidic techniques by simple polymerization of monomers in the presence of suitable crosslinker or by gelation of high molecular weight polymers. This report gives recent research progress in fabrication, characterization, properties and applications of microgel particles synthesized by microfluidic methods.
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Affiliation(s)
- Zahoor H Farooqi
- School of Chemistry, University of the Punjab, New Campus, Lahore, Pakistan
- Department of Chemical Engineering, Loughborough University, Loughborough, UK
| | | | - Nicole Pamme
- Department for Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
- Department of Chemistry and Biochemistry, University of Hull, Hull, United Kingdom
| | - Arooj Fatima
- School of Chemistry, University of the Punjab, New Campus, Lahore, Pakistan
| | - Robina Begum
- School of Chemistry, University of the Punjab, New Campus, Lahore, Pakistan
| | - Ahmad Irfan
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Minjun Chen
- Department of Chemical Engineering, Loughborough University, Loughborough, UK
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Huang L, Wu K, Cai S, Yu H, Liu D, Yuan W, Chen X, Ji H. Understanding the microfluidic generation of double emulsion droplets with alginate shell. Colloids Surf B Biointerfaces 2023; 222:113114. [PMID: 36577345 DOI: 10.1016/j.colsurfb.2022.113114] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/09/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
The monodisperse double emulsions obtained by microfluidic method can serve as ideal templates for preparing core-shell alginate microcapsules, which have attracted much attention in biological applications, such as drug delivery systems and cell encapsulation, tissue engineering. However, the formation behavior and dynamic analysis of double emulsion with an alginate shell is still unclear due to the complex rheological behavior of alginate solutions. Herein, we employ a dual-coaxial microfluidic device to generate the high-quality double emulsion droplets with alginate shell, focusing on the effects of the fluid properties of alginate solution in the middle phase (viscosity, μm) and the fluid flow rate on the droplet formation mechanism. As the viscosity of the middle fluid (μm) increased, the size of compound droplets (D2) increased and the size of inner droplets (D1) decreased, and the break-up regimes occurred a dripping-to-jetting transition when μm = 160 mPa s. The number of encapsulated inner droplets can be predicted and precisely controlled by regulating the generation frequency of inner (f1) and outer droplets (f2). The breakup dynamics of the alginate thread are also analyzed by using the volume-of-fluid/continuum-surface-force (VOF/CSF) method. The results show that the pressure and velocity in the neck of pinch-off is lower in the jetting than that in the dripping regime. This study will provide useful guidance for the rational design and controllable preparation of core-shell alginate microcapsules.
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Affiliation(s)
- Liyun Huang
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Foshan Engineering and Technology Research Center for Novel Porous Materials, Foshan 528000, China
| | - Kui Wu
- School of Chemistry and Chemical Engineering, Jinggangshan University, Ji'an 343009, China
| | - Shuhan Cai
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Foshan Engineering and Technology Research Center for Novel Porous Materials, Foshan 528000, China
| | - Haosen Yu
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Defei Liu
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Foshan Engineering and Technology Research Center for Novel Porous Materials, Foshan 528000, China
| | - Wenbing Yuan
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Foshan Engineering and Technology Research Center for Novel Porous Materials, Foshan 528000, China.
| | - Xin Chen
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Foshan Engineering and Technology Research Center for Novel Porous Materials, Foshan 528000, China.
| | - Hongbing Ji
- Fine Chemical Industry Research Institute, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China.
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Cao W, Yang Q, Wang QMD. Numerical simulation of vortex flow evolution during droplet formation in T-inlet microchannel. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Huang X, Saadat M, Ali Bijarchi M, Behshad Shafii M. Ferrofluid double emulsion generation and manipulation under magnetic fields. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Bariki SG, Movahedirad S. A flow map for core/shell microdroplet formation in the co-flow Microchannel using ternary phase-field numerical model. Sci Rep 2022; 12:22010. [PMID: 36539594 PMCID: PMC9768139 DOI: 10.1038/s41598-022-26648-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
Core/shell microdroplets formation with uniform size is investigated numerically in the co-flow microchannel. The interface and volume fraction contour between three immiscible fluids are captured using a ternary phase-field model. Previous research has shown that the effective parameters of microdroplet size are the physical properties and velocity of the three phases. By adjusting these variables, five main flow patterns are observed in numerical simulations. A core/shell dripping/slug regime is observed when the inertia of the continuous phase breaks the flow of the core and shell phases and makes a droplet. In the slug regime, the continuous phase has less inertia, and the droplets that form are surrounded by the channel walls, while in the dripping regime, the shell phase fluid is surrounded by the continuous phase. An increase in continuous-fluid or shell-fluid flow rate leads to dripping to a jetting transition. When three immiscible liquids flow continuously and parallel to one another without dispersing, this is known as laminar flow. In the tubing regime, the core phase flows continuously in the channel's central region, the shell phase flows in the annulus formed by the core phase's central region, and the continuous phase flows between the shell phase fluid and channel walls. In order to discriminate between the aforementioned flow patterns using Weber and Capillary numbers and establish regime transition criteria based on these two dimensionless variables, a flow regime map is provided. Finally, a correlation for shell thickness using shell-to-core phase velocity ratio and conducting 51 CFD simulations was proposed.
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Affiliation(s)
- Saeed Ghasemzade Bariki
- grid.411748.f0000 0001 0387 0587School of Chemical Engineering, Iran University of Science and Technology, Tehran, 16846-13114 Iran
| | - Salman Movahedirad
- grid.411748.f0000 0001 0387 0587School of Chemical Engineering, Iran University of Science and Technology, Tehran, 16846-13114 Iran
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Li D, Li J, Wang K, Yang G, Cao Y, Huang B, Wu X, Sun Q, Ma C, Zhao L, Liu P, Liu Y, Zhang Y. Dry-jet wet spinning and encapsulating for preparing multifunctional fibers based on anti-Rayleigh-Plateau-Instability solution. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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A Mild Method for Encapsulation of Citral in Monodispersed Alginate Microcapsules. Polymers (Basel) 2022; 14:polym14061165. [PMID: 35335496 PMCID: PMC8954088 DOI: 10.3390/polym14061165] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 02/04/2023] Open
Abstract
Citral is a typical UV-irritation and acid-sensitive active and here we develop a mild method for the encapsulation of citral in calcium alginate microcapsules, in which UV irritation or acetic acid is avoided. Monodispersed oil-in-water-in-oil (O/W/O) emulsions are generated in a capillary microfluidic device as precursors. The middle aqueous phase of O/W/O emulsions contains sodium alginate, calcium-ethylenediaminetetraacetic acid (EDTA-Ca) complex as the calcium source, and D-(+)-Gluconic acid δ-lactone (GDL) as the acidifier. Hydrolysis of GDL will decrease the pH value of the middle aqueous solution, which will trigger the calcium ions released from the EDTA-Ca complex to cross-link with alginate molecules. After the gelling process, the O/W/O emulsions will convert to alginate microcapsules with a uniform structure and monodispersed size. The preparation conditions for alginate microcapsules are optimized, including the constituent concentration in the middle aqueous phase of O/W/O emulsions and the mixing manner of GDL with the alginate-contained aqueous solution. Citral-containing alginate microcapsules are successfully prepared by this mild method and the sustained-release characteristic of citral from alginate microcapsules is analyzed. Furthermore, a typical application of citral-containing alginate microcapsules to delay the oxidation of oil is also demonstrated. The mild gelling method provides us a chance to encapsulate sensitive hydrophobic actives with alginate, which takes many potential applications in pharmaceutical, food, and cosmetic areas.
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Microfluidic Synthesis and Analysis of Bioinspired Structures Based on CaCO 3 for Potential Applications as Drug Delivery Carriers. Pharmaceutics 2022; 14:pharmaceutics14010139. [PMID: 35057035 PMCID: PMC8777975 DOI: 10.3390/pharmaceutics14010139] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 12/25/2021] [Accepted: 12/29/2021] [Indexed: 12/17/2022] Open
Abstract
Naturally inspired biomaterials such as calcium carbonate, produced in biological systems under specific conditions, exhibit superior properties that are difficult to reproduce in a laboratory. The emergence of microfluidic technologies provides an effective approach for the synthesis of such materials, which increases the interest of researchers in the creation and investigation of crystallization processes. Besides accurate tuning of the synthesis parameters, microfluidic technologies also enable an analysis of the process in situ with a range of methods. Understanding the mechanisms behind the microfluidic biomineralization processes could open a venue for new strategies in the development of advanced materials. In this review, we summarize recent advances in microfluidic synthesis and analysis of CaCO3-based bioinspired nano- and microparticles as well as core-shell structures on its basis. Particular attention is given to the application of calcium carbonate particles for drug delivery.
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Yu X, Peng S, Cao W, Huang G. Efficient adsorption of strontium by in-situ electrochemical synthesis of monohydric phosphate intercalated layered double hydroxides. NEW J CHEM 2022. [DOI: 10.1039/d2nj03311a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, in-situ electrochemical synthesis of monohydric phosphate intercalated layered double hydroxide was used to treat the simulated strontium-containing low-level waste liquids. The removal rate of Sr2+ was 99.24%...
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Qin Y, Lu X, Que H, Wang D, He T, Liang D, Liu X, Chen J, Ding C, Xiu P, Xu C, Gu X. Preparation and Characterization of Pendimethalin Microcapsules Based on Microfluidic Technology. ACS OMEGA 2021; 6:34160-34172. [PMID: 34926964 PMCID: PMC8675169 DOI: 10.1021/acsomega.1c05903] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 11/26/2021] [Indexed: 06/14/2023]
Abstract
Microencapsulation of pesticides is a promising attempt to reduce environmental pollution and prevent the active ingredients from the interference of external factors. In this paper, pendimethalin microcapsules were prepared by the interfacial polymerization of 4,4-methylenediphenyl diisocyanate (MDI) and ethylenediamine (EDA) based on microfluidic technology. Effects of the microchannel structure, reaction temperature, surfactant type, and fluid flow rates were investigated and evaluated. The results showed that pendimethalin microcapsules prepared under suitable conditions had a smooth surface, good monodispersity, a high encapsulation efficiency (96.7%), and excellent thermal stability. The size and morphology control of microcapsules were realized by adjusting the flow rates of the continuous phase and the hydrophilic monomer EDA aqueous solution. The release of pendimethalin had a sustained release characteristic that was closely related to the morphology of microcapsules. Compared with the pendimethalin emulsifiable concentrate, pendimethalin microcapsules exhibited outstanding herbicidal activity in the weed control experiments. Therefore, pendimethalin microcapsules with tunable properties were successfully obtained from the microfluidic device and showed great potential in agricultural applications.
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Non-monotonic dependence of induced-charge electro-osmosis on ion concentration. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Schroen K, Berton-Carabin C, Renard D, Marquis M, Boire A, Cochereau R, Amine C, Marze S. Droplet Microfluidics for Food and Nutrition Applications. MICROMACHINES 2021; 12:863. [PMID: 34442486 PMCID: PMC8400250 DOI: 10.3390/mi12080863] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/15/2021] [Accepted: 07/19/2021] [Indexed: 01/05/2023]
Abstract
Droplet microfluidics revolutionizes the way experiments and analyses are conducted in many fields of science, based on decades of basic research. Applied sciences are also impacted, opening new perspectives on how we look at complex matter. In particular, food and nutritional sciences still have many research questions unsolved, and conventional laboratory methods are not always suitable to answer them. In this review, we present how microfluidics have been used in these fields to produce and investigate various droplet-based systems, namely simple and double emulsions, microgels, microparticles, and microcapsules with food-grade compositions. We show that droplet microfluidic devices enable unprecedented control over their production and properties, and can be integrated in lab-on-chip platforms for in situ and time-resolved analyses. This approach is illustrated for on-chip measurements of droplet interfacial properties, droplet-droplet coalescence, phase behavior of biopolymer mixtures, and reaction kinetics related to food digestion and nutrient absorption. As a perspective, we present promising developments in the adjacent fields of biochemistry and microbiology, as well as advanced microfluidics-analytical instrument coupling, all of which could be applied to solve research questions at the interface of food and nutritional sciences.
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Affiliation(s)
- Karin Schroen
- Food Process and Engineering Group, Wageningen University and Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands; (K.S.); (C.B.-C.)
| | - Claire Berton-Carabin
- Food Process and Engineering Group, Wageningen University and Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands; (K.S.); (C.B.-C.)
- INRAE, BIA Biopolymères Interactions Assemblages, F-44316 Nantes, France; (D.R.); (A.B.); (R.C.); (C.A.)
| | - Denis Renard
- INRAE, BIA Biopolymères Interactions Assemblages, F-44316 Nantes, France; (D.R.); (A.B.); (R.C.); (C.A.)
| | | | - Adeline Boire
- INRAE, BIA Biopolymères Interactions Assemblages, F-44316 Nantes, France; (D.R.); (A.B.); (R.C.); (C.A.)
| | - Rémy Cochereau
- INRAE, BIA Biopolymères Interactions Assemblages, F-44316 Nantes, France; (D.R.); (A.B.); (R.C.); (C.A.)
| | - Chloé Amine
- INRAE, BIA Biopolymères Interactions Assemblages, F-44316 Nantes, France; (D.R.); (A.B.); (R.C.); (C.A.)
| | - Sébastien Marze
- INRAE, BIA Biopolymères Interactions Assemblages, F-44316 Nantes, France; (D.R.); (A.B.); (R.C.); (C.A.)
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