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PHOTOELECTRIC COLORIMETRY
MRS.S.AMIRTHAM,
DEPT OF BIOTECHNOLOGY,
BON SECOURS COLLEGE FOR WOMEN ,
THANJAVUR-5
What is Circular Dichroism? • Circular
Dichroism (CD) is a type of absorption
spectroscopy that can provide information on
the structures of many types of biological
macromolecules • It measures the difference
between the absorption of left and right
handed circularly-polarized light by proteins.
CD is used for; • Protein structure
determination. • Induced structural changes,
i.e. pH, heat & solvent. • Protein
folding/unfolding. • Ligand binding • Structural
aspects of nucleic acids, polysaccharides,
peptides, hormones & other small molecules.
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Calorimeter
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Calorimeter

  • 1. PHOTOELECTRIC COLORIMETRY MRS.S.AMIRTHAM, DEPT OF BIOTECHNOLOGY, BON SECOURS COLLEGE FOR WOMEN , THANJAVUR-5
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. What is Circular Dichroism? • Circular Dichroism (CD) is a type of absorption spectroscopy that can provide information on the structures of many types of biological macromolecules • It measures the difference between the absorption of left and right handed circularly-polarized light by proteins. CD is used for; • Protein structure determination. • Induced structural changes, i.e. pH, heat & solvent. • Protein folding/unfolding. • Ligand binding • Structural aspects of nucleic acids, polysaccharides, peptides, hormones & other small molecules.