نتایج جستجو برای: hydrogel beads
تعداد نتایج: 25204 فیلتر نتایج به سال:
Phytochemicals, i.e., flavonoids, phenolics, and anthocyanin, extracted from red cabbage, were crosslinked with alginate to prepare biocomposite hydrogel beads (BHB). The preparation of BHB involved three consecutive steps: (1) extraction solvent reduction phytochemicals (2) crosslinking into matrix using glutaraldehyde, (3) formation the in CaCl2 solution. resulting sorbents characterized scan...
Background: Although advantages of immobilization of cells through entrapment in calcium alginate gel beads have already been demonstrated, nevertheless, instability of the beads and the mass transfer limitations remain as the major challenges.Objective: The objective of the present study was to increase the stability, porosity (reduce mass transfer limit...
This work presents chemically stable and biodegradable hydrogel beads for the isolation of circulating tumor cells (CTCs) exosomes in liquid biopsy. The biopsy (LBbeads) consisting alginate poly(vinyl alcohol) hydrogels show both chemical stability stimuli-degradable characteristics. Unlike single-component hydrogels, this hybrid form is not easily degraded by buffers or cell culture media whil...
A hydrogel exhibits a real-time depth-controllable swimming motion via light-mediated modulation of local density to mimic the volume changes found in the bladders of fish. Moreover, other motions, e.g., rolling, somersaulting, and bipedal-like walking, can also be realized by designing or combining gel shapes, and the location of light.
Microencapsulation has become a common technique in the production of controlled release dosage forms. Many results have been reported, concerning the use of alginate beads as controlled release drug formulations. Alginate has a unique gel-forming property in the presence of multivalent cations, in an aqueous medium. Ibuprofen is an excellent analgesic and antipyretic, non-steroidal anti-inflam...
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