Article
Physics, Multidisciplinary
Trevor J. Jones, Thomas Dupuis, Etienne Jambon-Puillet, Joel Marthelot, P. -t. Brun
Summary: This study investigates the physics of soft deployable structures using core-shell inflatables and proposes a strategy for synchronized deployment. Complex network structures are modeled to demonstrate the ability to reconfigure their final shape. Furthermore, the method is extended to assemble complex three-dimensional structures. These results utilize material and geometric nonlinearities to provide a low-energy pathway for growth and reconfiguration of soft deployable structures.
PHYSICAL REVIEW LETTERS
(2023)
Article
Chemistry, Physical
Fariba Malekpour Galogahi, Hongjie An, Yong Zhu, Nam-Trung Nguyen
Summary: This study investigates the behavior of core-shell microparticles with a liquid core under thermal and mechanical loads, establishing analytical models and conducting experiments to validate them. The results demonstrate that the maximum temperature and critical compression force before rupture of core-shell microparticles depend on the liquid, geometry, and material of the shell.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Multidisciplinary
Shuquan Cui, Bo Zhang, Liyang Shen, Frank S. Bates, Timothy P. Lodge
Summary: Block polymer self-assembly with bottlebrush architecture allows the creation of materials with unique properties. By studying the phase behavior of bottlebrush block copolymers, it was found that the addition of bottlebrush side chains can lead to the formation of a substantial core-shell double gyroid phase window, with larger network dimensions than before.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Engineering, Environmental
Xi Ding, Wantao Zhuge, Yue Zhang, Shijie Ding, Jie Wang, Guanghong Zhou
Summary: The simulation of traditional meat characteristics is critical to cultured meat production. In this study, bioinspired microfibers with solidified alginate shells and porcine muscle stem cell (PMSC) loaded hydrogel cores were proposed. The core-shell structure not only provided a spatially confined environment for directional cell alignment, but also facilitated cell migration and mutual fusion. The myogenic differentiation and muscle protein synthesis of PMSCs in microfibers were significantly promoted, resulting in the construction of cultured meat with similar appearance, texture, and protein composition to native pork. By integrating microfluidics and 3D printing technologies, the microfibers were assembled into bulk cultured meat tissues, and simultaneous printing of multiple pieces of cultured meat was achieved.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Biophysics
Fenglan Xu, Suning Wang, Chenxi Cao, Wenyuan Ma, Xuan Zhang, Junhan Du, Wentao Sun, Qingming Ma
Summary: This study presents the fabrication of multifunctional core-shell alkylated chitosan/calcium alginate microfibers, which can contribute to each stage of wound healing. The core-shell microfibers, generated using microfluidic technology, possess a unique internal structure that promotes the absorption of blood and exudate. The microfibers also exhibit excellent hemostatic and antibacterial properties, accelerating the healing process of chronic wounds.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2022)
Article
Chemistry, Physical
Luxi Yang, Linchuan Dai, Lu Ye, Rui Yang, Yangcheng Lu
Summary: In this study, microfluidic method was used to fabricate phase change material microcapsules with uniform particle size, high encapsulation ratio, and thermal stability. The microcapsules were successfully encapsulated with N-hexadecane using a hybrid shell of poly (methyl methacrylate) and polyurea. The size, encapsulation ratio, and phase change enthalpy of the microcapsules could be controlled by varying the flow rate of the dispersion phase and raw material composition. The microcapsules showed stable performance after 50 heating/cooling cycles.
Article
Polymer Science
Aleksey D. Drozdov, Jesper deClaville Christiansen
Summary: The increase in elastic modulus is associated with aggregation of hydrophobic segments into clusters, forming extra physical bonds between chains. Microgels exhibit higher elastic moduli but lower degrees of swelling in stress-free state compared with macroscopic gels.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Zizheng Wang, Hao Jiang, Guangfu Wu, Yi Li, Teng Zhang, Yi Zhang, Xueju Wang
Summary: This study reports a method for programmable three-dimensional microfluidic structures assembled from polydimethylsiloxane (PDMS) and shape-memory polymers (SMPs). The approach allows for the creation of diverse geometries and the ability to program temporary shapes, with well-maintained fluid flow during deformation and shape recovery.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Polymer Science
Yanze Liu, Shenghua Yang, Biao Zhao, Jianping Deng
Summary: We report a novel and facile strategy to achieve monodispersed polymer-based circularly polarized luminescent (CPL) micro/nanomaterials. The core/shell particles obtained using maleic anhydride copolymer as core and chiral helical polyacetylene as shell exhibit intense blue-emitting nonconventional fluorescence with both aggregation-induced emission and concentration-enhanced emission performance. Furthermore, these particles show excitation-dependent CPL emission behavior, with the highest luminescence dissymmetry factor of 5 x 10-3. This work provides a versatile platform for constructing polymeric CPL nano/microarchitectures.
Article
Chemistry, Physical
Xiaoli Zhang, Qingli Qu, Aying Zhou, Yulin Wang, Jian Zhang, Ranhua Xiong, Vincent Lenders, Bella B. Manshian, Dawei Hua, Stefaan J. Soenen, Chaobo Huang
Summary: Core-shell microparticles are intelligent and versatile carriers that have great potential in biomedical fields. This review provides an overview of recent developments in the design and applications of biodegradable core-shell systems. Various emerging methodologies and microfluidics technology are discussed. Furthermore, the characteristics of core-shell microparticles in artificial cells, drug release, and cell culture applications are explored along with their advantages for the generation of artificial cells. The respective developing orientations and limitations of these systems are also addressed.
ADVANCES IN COLLOID AND INTERFACE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Alice Vilotte, Clement de Loubens, Deniz Z. Gunes, Christophe Schmitt, Hugues Bodiguel
Summary: Using fractal protein aggregates as building blocks, porous fibers were produced by precisely controlling both hydrodynamic and physicochemical conditions. Different fiber states were observed by increasing calcium concentration.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Engineering, Biomedical
Zeyang Liu, Hongyong Zhang, Zhen Zhan, Haochen Nan, Nan Huang, Tao Xu, Xiaohua Gong, Chengzhi Hu
Summary: Internal gelation has been improved to prepare core-shell hydrogel microcapsules with high mechanical stability and cell survival rate. A coaxial flow-focusing microfluidic device was developed to facilitate the gelation process, resulting in well-defined and homogenous alginate hydrogel microstructures. High acid concentration in the oil solution during gelation allows for better crosslinking of the alginate while maintaining high cell viability.
Article
Chemistry, Analytical
Ling Lin, Weiwei Li, Xiaorui Wang, Yaoshuang Xie, Yuxuan Li, Zengnan Wu
Summary: Three-dimensional cell culture can mimic the native microenvironment of cells. This study developed functional liquid crystal core/hydrogel shell microcapsules to monitor the microenvironment of live cells in a 3D model.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
William James, Colette M. Sullivan, Nicholas Marshall
Summary: The study found that EDOT and 3MOT can form core-shell composites directly in HKUST-1, while they can also be loaded into the pores of HKUST-1 without reaction when dissolved in hexanes, resulting in a filled composite. Additionally, 3HOT can also be loaded into HKUST-1 in a similar manner. Heating the hexane-loaded composites can lead to the formation of either core-shell or filled composites, depending on the reaction conditions chosen.
Article
Engineering, Mechanical
Duo Wang, Xu Zheng, Xiaodong Chen, Guoqing Hu
Summary: This paper introduces a three-phase microfluidic device that can directly generate core-shell or hole-shell microparticles, demonstrating the versatility of the device in fabrication of functionalized particles.
ACTA MECHANICA SINICA
(2021)
