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ANALYTICAL SCIENCES > Instruments > Compact Mass Spec > Touch Express - OPSI

Touch Express™

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Open port sampling interface (OPSI)

 
   
The Touch Express Open Port Sampling Interface (OPSI), is designed for simple sampling of solids, liquids and sample preparation tips and fibers. The novel ambient sampling technique was developed by Gary Van Berkel and Vilmos Kertesz, of Oak Ridge National Laboratory.  
   

Direct analysis of solids, liquids, surfaces, and fibers

 
Paired with the electrospray ion source of the expression® Compact Mass Spectrometer (CMS), the product incorporates a low volume, open port of continuously swept solvent, flowing directly into the electrospray ion source of the mass spectrometer.
     
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Any soluble sample touching the port is analyzed by the CMS in mere seconds. The OPSI source is a unique, prep-free sample technique that offers:
  • Compound ID and impurity detection from almost any surface
  • Direct assays from sample preparation tips and SPME fibers
  • Easy screening applications for drug research, food safety, environmental, forensics
  • Large molecule applications including proteins, peptides, oligonucleotides and polymers
     

Videos

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Touch ExpressTM Open Port Sampling Interface (OPSI)
How it works

     
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