Aqueous Two Phase Systems: Phase Separation and Partitioning Quiz
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Questions and Answers

What is a working example of in situ adsorption of a product during the fermentation process?

  • Centrifugation
  • Extraction using organic solvents
  • Reverse micelles (correct)
  • Partitioning of components

Which technique is limited by the toxicity of the solvent to the producing cells when integrating extraction with fermentation for in situ recovery?

  • Partitioning of components
  • Extraction using an interface like a membrane (correct)
  • Centrifugation
  • Reverse micelles

What has the potential to reduce the solvent toxicity issue when integrating extraction in organic solvents with fermentation for in situ recovery?

  • Partitioning of components
  • Centrifugation
  • Extraction using an interface like a membrane (correct)
  • Reverse micelles

Which technique has shown potential to solve the solvent toxicity issue in large-scale production but is not yet widely used?

<p>Extraction using an interface like a membrane (D)</p> Signup and view all the answers

What can lead to tightening of a purification protocol by combining clarification, concentration, and purification in one step?

<p>Extraction using an interface like a membrane (A)</p> Signup and view all the answers

Which technology can combine clarification, concentration, and significant purification in one step for protein purification?

<p>Aqueous two-phase systems (B)</p> Signup and view all the answers

What is a significant simplification, especially on a large scale, when directly applying an unclarified sample to a purification method?

<p>Aqueous two-phase systems (D)</p> Signup and view all the answers

What approach aims to decrease the number of processing steps by introducing specificity into techniques for primary separation?

<p>Affinity interactions (A)</p> Signup and view all the answers

What technique can be used for protein purification and combines clarification, concentration, and significant purification in one step?

<p>Expanded bed adsorption (C)</p> Signup and view all the answers

What integration technique combines various separation stages into one unit operation, leading to a tightening of a purification protocol?

<p>Affinity interactions (B)</p> Signup and view all the answers

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