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Mass Spectrometry Facility at CQE

LCQ Fleet mass spectrometer with an ESI source (Thermo Scientific) interfaced with an HPLC-DAD (Varian).

Specifications

  • Direct infusion and HPLC interface
  • Mass range : 50 – 2000 Da
  • Unit resolution full scan (zoom scan capable)
  • Multiple fragmentation experiments, MSn (n = 10)
  • pg MS and MS/MS sensitivity

Services provided

  • Analysis and characterization of synthesized compounds including compounds with pharmacological applications.
  • Analysis and characterization of low and medium molecular weight bioactive molecules in complex matrices.

QqTOF Impact II mass spectrometer with ESI and CaptiveSpray nanoBooster sources (Bruker) interfaced with a nanoLC (Dionex WPS-3000TPLRS).

Specifications

  • Direct infusion and nanoLC interface
  • Mass range: 20 – 50.000 Da
  • High resolution and high mass accuracy
  • MS/MS fragmentation experiments
  • fmol MS and MS/MS sensitivity

Services provided

  • Accurate mass measurements
  • Metabolomics
  • Protein identification by peptide mass fingerprint (PMF) and tandem MS
  • Protein post-translational modifications using middle and top-down strategies.

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