Patents Represented by Law Firm Wyatt, Gerber, Badie
  • Electrospray ion source for mass spectrometry
    Patent number: 5245186
    Abstract: A mass analyzer for the analysis of mass spectra of ions derived from organic molecules includes an electrospray ion source having means to transport the molecules of interest in a solvent of pure water free of organic solvents. The electrospray ion source sprays the water solution, under an imposed voltage, through a metal syringe needle having a sharp etched point and into a conductive capillary tube having a sharpened entrance orifice.
    Type: Grant
    Filed: May 6, 1992
    Date of Patent: September 14, 1993
    Assignee: The Rockefeller University
    Inventors: Brian T. Chait, Swapan K. Chowdhury, Viswanatham Katta, Urooj A. Mirza