Abstract
Usually alginates are the sodium or calcium salts of alginic acid. Alginic acid is extracted from certain species of brown seaweeds. Sodium alginate is water-soluble, while calcium alginate is water-insoluble. Apart from their sourcing from the renewable resources in the nature, they have the added advantages of biocompatibility, biodegradability and ability to form a gel, which makes them suitable candidates for various applications. Alginates are mainly processed as capsules, beads, fibres and blends with other natural and synthetic polymers and are widely used in various fields. Developments made in the field of alginate-based blends and beads in recent years are summarized here. The method of preparation of the micro- and nano-sized beads, blends and their important applications are discussed, focusing on their recent uses in membrane science, drug slow release, biomedicine, process technology including enzyme immobilization, and pollution control. Recent applications of the beads in stem cell research are also briefly discussed.
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Prasad, K., Kadokawa, Ji. (2009). Alginate-Based Blends and Nano/Microbeads. In: Rehm, B. (eds) Alginates: Biology and Applications. Microbiology Monographs, vol 13. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92679-5_8
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