Modulation effect of glycerol on plasticization and water distribution of vacuum-dried calcium alginate gel beads encapsulating peppermint oil/β-cyclodextrin complex

2021 ◽  
Vol 41 ◽  
pp. 100968
Author(s):  
Xingwei Wang ◽  
Yanwen Feng ◽  
Tingting Feng ◽  
Xuejiao Wang ◽  
Shuqin Xia ◽  
...  
Keyword(s):  
Calcium Alginate ◽  
Water Distribution ◽  
Peppermint Oil ◽  
Modulation Effect ◽  
Cyclodextrin Complex ◽  
Alginate Gel ◽  
Gel Beads ◽  
Calcium Alginate Gel

Nitrification and Autotrophic Denitrification in Calcium Alginate Beads

1987 ◽  
Vol 19 (1-2) ◽  
pp. 175-182 ◽  
Author(s):  
Z. Lewandowski ◽  
R. Bakke ◽  
W. G. Characklis
Keyword(s):  
Calcium Carbonate ◽  
Calcium Ions ◽  
Continuous Flow ◽  
Calcium Alginate ◽  
Microbial Respiration ◽  
Flow System ◽  
Alginate Beads ◽  
Alginate Gel ◽  
Gel Beads ◽  
Calcium Alginate Gel

Immobilization of nitrifiers and autotrophic denitrifiers (Thiobacillus denitrificans) within calcium alginate gel was demonstrated. Calcium carbonate reagent was immobilized along with bacteria as the stabilizing agent. Protons released as a result of microbial respiration reacted with calcium carbonate producing calcium ions which internally stabilized the calcium alginate gel. The microbially active gel beads were mechanically stable and active for three months in a continuous flow system without addition of calcium.

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