Features
Absolute CD spectra can be measured for the first time using the new, non-chemical, multi-point CD calibration standard
Chirascan has the highest light throughput of any CD spectrometer in the far-UV wavelength region, delivering superior sensitivity and speed.
Characterisation of structural, thermodynamic and aggregation properties in a single experiment takes typically 70 minutes, due to the unique thermal ramping capabilities. ...
The global thermodynamic analysis software calculates mid-point temperatures and Van’t Hoff enthalpies of each thermal transition. ...
Chirascan specifies stability as a function of temperature. ...
A comprehensive range of accessories includes, 6-cell turret, CCD Fluorometer, Solid Sample Holder, Couette cell and more. .
Specification
Advanced solid state detector with wavelength range 163?1200nm with automatic variable gain
*Factory calibrated to absolute CD using multipoint optical standard; DichOS-New
*CD, Absorbance and FDCD capability(includes accurate simultaneous absorbance measurement with CD)
*Also suitable for LD, fluorescence and flurescence polarization detection
*High intensity arc light source
*Unique dual-polarizing prisms monochromator (both prisms polarise and disperse) providing the highest degree of polarisation for a CD spectrometer
*High throughput F/7 optical coupling
*High stability: ≤ 0.01 mdeg/°C (170mm to 650nm) - NEW
*Low stray light: < 3ppm at 200nm
* Exceptionally high light throughput and low RMS?noise specifications for sensitive and fast data acquisition.
Typical RMS Noise specifications are:
0.04mº @ 175nm
0.02mº @ 180nm
0.015mº @ 185nm
0.02mº @ 200nm
0.02mº @ 250nm
0.02mº @ 500nm
0.03mº @ 750nm
0.05mº @ 1000nm
Note: All measurements at 1nm bandwidth and 2 second integration time and with NO DATA SMOOTHING
*Calculated standard error reported with every measurement – NEW
*Peltier temperature control, programmable over the range -40 to 1100C with +/- 0.020C precision
*Unique thermal denaturation capabilities: acquisition of CD spectra (or multi-wavelength T-ramp curves) in a single continuous-T-ramp experiment.
*External temperature probe
*1cm (10x10) cell-holder (other cell-holders can be fitted). Spacers for use with 2mm and 1mm cells are included
*Automated shutter before the monochromator
*Adjustable detector position along optical axis (detector can be mounted very close to the sample cuvette)
*Rapid nitrogen purge system for quick start-up
*Low nitrogen usage: 5 l/min at 175nm, 2 l/min above 200nm.
*ANMS Active Nitrogen Management System: NEW – see below
*Intelligent digital data acquisition
*Instrument diagnostic self-checks on start-up
*ProData instrument control, display and analysis software. Details below
*Secondary structure analysis software. Details below
*Save and Import experimental settings
*5 channel simultaneous data acquisition CD, Absorbance, HT, Voltage and Temperature
*USB communications
*Comprehensive user manual.
*Includes PC running Windows 7 Professional and monitor.