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Flocculation of cell debris from ultrasonicated Escherichia coli

E Gellan1, G F Martin, R H Cumming

  • 1Department of Chemical Engineering, North East Biotechnology Centre, Teesside Polytechnic, Middlesbrough, Cleveland TS1 3BA, United Kingdom.

Biotechnology and Bioengineering
|April 5, 1991
PubMed

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Coagulation01:06

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...