Chirascan™ Circular Dichroism Spectrometer by Applied Photophysics Ltd

High Performance – Ready to Run  

Chirascan™ Circular Dichroism Spectrometer by Applied Photophysics Ltd product image
Chirascan™ Circular Dichroism Spectrometer
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Suitable for studying chiral molecules of all types and sizes, this Chirascan CD spectrometer has featured in thousands of publications since its introduction in 2005. Often used to analyze biomolecules, Chirascan data contributes to a deeper understanding of biomolecular characteristics, mechanisms and interactions.

When sensitivity and accuracy are key, our Chirascan V100 model (formerly Chirascan-plus) ensures that researchers can get the most from every CD analysis.  

More than α-helix and β sheet - Determine structural and thermodynamic properties

  • Gain insight and detect changes in secondary and tertiary structure
  • Determine response to thermal or chemical change
  • Study folding and unfolding mechanisms
  • Expand capabilities with dedicated Chirascan accessories

Ready to run

Chirascan systems are supplied with the features and accessories required for acquisition of high quality data from ‘day one’.

Component Highlights

Molecular Sieve, Activated Charcoal Filter

  • Removes common gas impurities

Active Nitrogen Management System

  • Regulates purge gas consumption
  • Software-controlled

Air-Cooled Xenon Lamp

  • Software-controlled
  • Up-time recorded


  • Dual polarizing prisms maximize light ­throughput
  • Produces horizontally, linearly polarized monochromatic light

Photoelastic Modulator

  • Converts horizontally polarized light into circularly polarized light. Alternates between left- and right-handed circular polarized light

Temperature-Controlled Sample Chamber

  • Consistent analytical conditions
  • Continuous temperature ramps
  • Temperature measured directly in sample

Water Circulator

  • Dissipates heat from sample chamber and sample storage Peltiers

Photomultiplier Detector

Cuvettes and Holders

  • Selected for far- and near-UV CD analysis of biomolecules (single sample mode)

Control and analysis software

  • Easily defined run parameters and store routine protocols
  • Saves time with scheduled start-up/shutdown of lamp and N2 supply
  • Fail-safe lamp switch-off if N2 flow drops
  • Ensures O2-free conditions with N2 purge
  • Recognizes flow cell to select optimal run/wash/dry protocol