ARACUS Amino Acid Analyzer

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ARACUS Amino Acid Analyzer

The ARACUS is a dedicated amino acid analyzer for high end analysis of amino acids in research, food quality control (own patent 10 2016 010 887), beverages and feedstuff and in the clinical laboratory. It combines innovative technologies with the classic routine analysis of amino acids by post-column derivatization with ninhydrin and the detection at 440 nm and 570 nm using maintenance-free LED photometers. The data acquisition and analysis software aminoPeak or Clarity records two analogue channels simultaneously (570 nm, 440 nm). Quantitative calculations are performed with internal or external standards, dilution and/or multiplication factors. Several analysis runs can be compared using compiler programmes. The results of each analysis are documented in an individual report.

  • Method: Post column derivatization with Ninhydrine
  • Spectroscopic detection: LED photometers (NO LAMP EXCHANGE REQUIRED): 440 nm + 570 nm
  • Detection limit: < 2 nmol/ mL
  • Reproducibility of retention time: < 0.3 % RSD
  • Reproducibility of area: ca. 1 % RSD
  • Chloride-free and citrate-free buffer system/ Less aggressive to the components of the liquid handling tubes, fittings and connection
  • Small eluent consumption/ ~200 µL/min in analysis mode
  • High sensitivity of amino acids / choice of two sensitivity detector levels
  • Level sensors for eluents/ warn the user if the needed fluidic volume is too low for planned analysis
  • Easy access to all components of the entire system
  • Comes with ready-to-use kits that contains the necessary amount for ~500 runs