Unfortunately, a specific protocol is not available. Please see the links below to review publications that may be helpful:
Andersen T, Auk-Emblem P, Dornish M. 3D Cell Culture in Alginate Hydrogels. Microarrays (Basel). 2015 Mar 24;4(2):133-61. doi: 10.3390/microarrays4020133. PMID: 27600217; PMCID: PMC4996398.
Lee KY, Mooney DJ. Alginate: properties and biomedical applications. Prog Polym Sci. 2012 Jan;37(1):106-126. doi: 10.1016/j.progpolymsci.2011.06.003. PMID: 22125349; PMCID: PMC3223967.
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