98%
921
2 minutes
20
Inspired by the structure of eukaryotic cells, multicompartmental microcapsules have gained increasing attention. However, challenges remain in the fabrication of "all-aqueous" (., oil-free) microcapsules composed of accurately adjustable hierarchical compartments. This study reports on multicompartmental microcapsules with an innovative architecture. While multicompartmental cores of the microcapsules were fabricated through gas shearing, a shell was applied on the cores through surface gelation of alginate. Different from traditional multicompartmental microcapsules, thus obtained microcapsules have well-segregated compartments while the universal nature of the surface-gelation method allows us to finely tune the shell thicknesses of the microcapsules. The microcapsules are highly stable and cytocompatible and allow repeated enzymatic cascade reactions, which might make them of interest for complex biocatalysis or for mimicking physiological processes.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1021/acs.biomac.2c00324 | DOI Listing |
ACS Appl Bio Mater
March 2025
School of Chemical Engineering, Yeungnam University, 280, Daehak-ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
Although oral delivery of therapeutic agents offers numerous benefits, its application is limited due to the digestive tract's harsh conditions (e.g., strong acidity and high osmolarity), which impair activity and create challenges in achieving targeted release into the intestine.
View Article and Find Full Text PDFAdv Sci (Weinh)
December 2024
Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal.
Multicompartmental capsules have demonstrated value in fields ranging from drug release, mimetics of artificial cells, to energy conversion and storage. However, the fabrication of devices with different compartments usually requires the use of toxic solvents, and/or the adaptation of technically demanding methods, including precision microfluidics and multistep processes. The spontaneous formation of multi-core capsules resulting from polyelectrolyte complexation at the interface of a prototypic all-aqueous two-phase system is described here.
View Article and Find Full Text PDFPharmaceutics
February 2023
Department of Pharmaceutical Chemistry, Semmelweis University, 7 Hőgyes Endre Street, H-1092 Budapest, Hungary.
The purpose of this study was to investigate the applicability of the Gastrointestinal Simulator (GIS), a multi-compartmental dissolution model, to predict the in vivo performance of Biopharmaceutics Classification System (BCS) Class IIa compounds. As the bioavailability enhancement of poorly soluble drugs requires a thorough understanding of the desired formulation, the appropriate in vitro modelling of the absorption mechanism is essential. Four immediate release ibuprofen 200 mg formulations were tested in the GIS using fasted biorelevant media.
View Article and Find Full Text PDFBiomacromolecules
September 2022
Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, P. R. China.
Inspired by the structure of eukaryotic cells, multicompartmental microcapsules have gained increasing attention. However, challenges remain in the fabrication of "all-aqueous" (., oil-free) microcapsules composed of accurately adjustable hierarchical compartments.
View Article and Find Full Text PDFJ Colloid Interface Sci
November 2022
Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, P. R. China. Electronic address:
Biocatalytic reaction networks in eukaryotic cells is realized by the immobilized and compartmental multi-enzymatic system. Inspired by the spatial localization of natural cells, multiple enzymes were confined within the multicompartmental microcapsules, which were created using a gas-shearing method coupled with surface-triggered in situ gelation strategy. Heterogeneous multicompartmental (two-, three-, four-, six-, or eight-faced) core particles, due to their capacity for positional assembly, were encapsuled in alginate hydrogel shells.
View Article and Find Full Text PDF