PTI, Photon Technology International, The Fluorescence Solutions Company

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QuantaMaster™ 300
Phosphorescence / Fluorescence Spectrofluorometer

 
  Software
 
 
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Software

Unlike many companies that buy canned software, PTI designs and writes its own spectroscopy software. Mnay of our users tell us that our software is the best on the market: intuitive, easy to use driven by a powerful acquisition engine and has a great analysis package. QuantaMaster™ 300 comes with another new innovation the FelixGX software for instrumental control   now includes new PowerFit-10™ analytical software for fluorescence and phosphorescence lifetime analysis.

Through the new, powerful ASOC-10 USB interface FelixGX provides a full set of data acquisition protocols and controls the hardware for all system configurations and operating modes.

FelixGX Controls

  • Rep rate of pulsed lamp
  • Monochromators
  • Motorized slits
  • Motorized triple grating turret
  • Motorized choice of excitation sources
  • Motorized choice of emission detectors
  • Motorized polarizers
  • Motorized sample holders
  • Temperature control Peltier devices
  • Gain control of PMT detector
  • Switching from digital to analog mode
  • External devices such as stopped flow

FelixGX Acquisition Modes

FelixGX also provides several acquisition modes for lifetime, spectral and kinetic measurements:

  • Phosphorescence Decay with user controlled lamp rate and adjustable time window
  • Time-Resolved Excitation and Emission scans with user control of lamp rate, signal integration time window, number of pulses averaged per wavelength and scan step size  
  • Phosphorescence Timebased scan with user defined macro-time duration, signal integration time window and number of pulses averaged per point
  • Software control of the PMT gain in all acquisition modes

PowerFit-10 Analytical Software

PowerFit-10 software (incorporated into FelixGX) provides powerful analytical package for decay data analysis. All modules include reconvolution algorithms, selection of data weighing (Poisson or analog), shift and offset parameters, statistical goodness-of-fit parameters (Chi-square, Durbin-Watson, Runs test, residuals and autocorrelation), as well as standard deviations of fit parameters.


PowerFit-10 Modules

  • Multi-exponential (1 to 4 lifetimes) decay
  • Multi-file multi-exponential (1 to 4 lifetimes)
  • Global (1 to 4 lifetimes) analysis
  • Anisotropy decay (free rotor, restricted rotor and other models)
  • Stretched exponential
  • Micelle quenching kinetics (Infelta-Groetzel-Tachiya model)
  • Exponential Series Method (ESM) unconstrained lifetime distribution analysis (up to 200 exp terms)
  • Maximum Entropy Method (MEM) lifetime distribution analysis (up to 200 exp terms)
  • Time-Resolved Spectra (TRES)
  • Decay Associated Spectra (DAS)
 
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