Negative chemical ionization mass spectra of multifunctional polar,and underivatized compounds of biological interest |
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| Authors: | Ajay K. Bose H. Fujiwara B.N. Pramanik |
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| Affiliation: | Department of Chemistry and Chemical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030 U.S.A. |
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| Abstract: | Intense pseudomolecular ions were observed for underivatized, multifunctional compounds of low volatilty (e.g., bile acid conjugates, alkaloids, antibiotics) by employing the direct probe technique of NCI MS; especially effective was the use of CF2CL2 as the reagent gas for producing chloride ion adduct negative ions. |
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