agarose

[ah-guh-rohs, -rohz]

noun

Chemistry.

1. a substance obtained from agar and used for chromatographic separations.

Word History and Origins

Origin of agarose¹

First recorded in 1965–70; agar + -ose ²

Example Sentences

Instead, Velev and his collaborators took a different approach, reinforcing the agarose films with fibrillated colloidal scale material -- called soft dendritic colloids -- made from chitosan.

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The strong chitosan micro- and nanoscale fibrils are hierarchically branched to provide strength and stability to the agarose film where they are embedded.

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"We use chitosan dendritic particles to reinforce the agarose matrix because of the compatibility of both materials leading to good mechanical properties; chitosan particles also have an opposite charge to agarose. When mixed, these charges are neutralized so the resulting materials also become more resistant to water."

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The biopolymer composites are about four times stronger than agarose films alone, the research shows, and also resist E.coli, a commonly studied bacterium.

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Combining chitosan, a biopolymer that makes crab shells hard, with agarose, a biopolymer extracted from seaweed that is used to make gels, creates unique biopolymer composite films with enhanced strength.

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