Embedded Capillary Electrospray Technique

Capable of semi-volatile/non-volatile analytes analysis
Porous Structure allows for separation of analytes from complex matrices
Fused Silica Capillary improves desolvation in Electrospray
AAnalysis requires only 5uL (minute amounts) of Liquid or Solid Sample

Discontinuous Atmospheric Pressure Interface

Doubled Ion Transfer Efficiency
Medical-grade Pinch Valve guarantees reproducibility and reliability
Synchronized sample ionization and injection
Pressure-Mapped MS Scan Methods

Revolutionary Miniature MS Technique

15-years continuous innovation
Top-tier Vacuum System
State-of-the-art Linear Ion Trap
MSn capability ensures excellent specificity

Publications

  1. L. Gao, R.G. Cooks, Z. Ouyang, Breaking the Pumping Speed Barrier in Mass Spectrometry: Discontinuous Atmospheric Pressure Interface", Analytical Chemistry , 2008 , 80, 4026-4032
  2. L. Li, T.-C. Chen, Y. Ren, P. I. Hendricks, R. G. Cooks and Z. Ouyang, Mini 12, Miniature Mass Spectrometer for Clinical and Other Applications—Introduction and Characterization, Analytical Chemistry, 2014, 86, 2909–2916
  3. R. G. Cooks, Z. Ouyang, Z. Takats, J. M. Wiseman, Ambient Mass Spectrometry, Science, 2006, 311, 1566 -1570
  4. H. Wang, J. Liu., R. G. Cooks, Z. Ouyang, Paper Spray for Direct Analysis of Complex Mixtures Using Mass Spectrometry, Angewandte Chemie International Edition2010, 49, 877-880
  5. Y. Ren, M. N. McLuckey, J. Liu and Z. Ouyang, "Direct Mass Spectrometry Analysis of Biofluid Samples Using Slug Flow Microextraction NanoESI", Angewandte Chemie International Edition2014, 53, 14124 –14127
  6. X. Ma, L. Chong, R. Tian, R. Shi, T. Y. Hu, Z. Ouyang, Y. Xia, Identification and Quantitation of Lipid C=C Location Isomers: A Shotgun Lipidomics Approach Enabled By Photochemical Reaction ", Proceedings of the National Academy of Sciences2016, 113, 2573-2578