Athula B Attygalle

Summary

Affiliation: Stevens Institute of Technology
Country: USA

Publications

  1. ncbi request reprint "Meta elimination," a diagnostic fragmentation in mass spectrometry
    Athula B Attygalle
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Am Soc Mass Spectrom 22:1515-25. 2011
  2. ncbi request reprint Orange/lemon-scented beetles: opposite enantiomers of limonene as major constituents in the defensive secretion of related carabids
    Athula B Attygalle
    Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    Naturwissenschaften 96:1443-9. 2009
  3. doi request reprint Mild route to generate gaseous metal anions
    Athula B Attygalle
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    Rapid Commun Mass Spectrom 25:681-8. 2011
  4. ncbi request reprint Biosynthesis of tiglic, ethacrylic, and 2-methylbutyric acids in a carabid beetle, Pterostichus (Hypherpes) californicus
    Athula B Attygalle
    Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Chem Ecol 33:963-70. 2007
  5. ncbi request reprint Generation of gas-phase sodiated arenes such as [(Na3(C6H4)+] from benzene dicarboxylate salts
    Athula B Attygalle
    Center for Mass Spectrometry, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 45:72-81. 2010
  6. doi request reprint Reactivity of gaseous sodiated ions derived from benzene dicarboxylate salts toward residual water in the collision gas
    Chang Ching Chan
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 45:1130-8. 2010
  7. ncbi request reprint Defensive chemicals of two species of Trachypachus Motschulski
    Athula B Attygalle
    Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
    J Chem Ecol 30:577-88. 2004
  8. doi request reprint Desorption ionization by charge exchange (DICE) for sample analysis under ambient conditions by mass spectrometry
    Chang Ching Chan
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
    J Am Soc Mass Spectrom 21:1554-60. 2010
  9. ncbi request reprint A distonic radical-ion for detection of traces of adventitious molecular oxygen (o2) in collision gases used in tandem mass spectrometers
    Freneil B Jariwala
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, 07030, USA
    J Am Soc Mass Spectrom 25:1670-3. 2014
  10. doi request reprint Collision-induced dissociation mass spectra of glucosinolate anions
    Jason B Bialecki
    Department of Chemistry, Chemical Biology and Biomedical Engineering, Center for Mass Spectrometry, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 45:272-83. 2010

Collaborators

  • Frank U Axe
  • Yong Zhang
  • Zhihua Yang
  • Kipling W Will
  • Jerrold Meinwald
  • Washington Braida
  • Thomas Eisner
  • Sheo B Singh
  • Chang Ching Chan
  • Carl S Weisbecker
  • Julius Pavlov
  • Jason B Bialecki
  • Freneil B Jariwala
  • Josef Ruzicka
  • John A Hibbs
  • Upul Nishshanka
  • Kithsiri B Herath
  • Sathis S Weerasinghe
  • Robert D Hale
  • Chongming Liu
  • Andrew Kruegel
  • Scott A Miller
  • Mark S Bolgar
  • Hyeunjoo Lee
  • Jason Bialecki
  • Gulab N Jham
  • Rahul L Khade
  • Silvina García-Rubio
  • John Ressler
  • Ryan E Wood
  • Carl Weisbecker
  • Mark Bolgar
  • Meena Haribal
  • Adebayo Ogundipe
  • Gregory O'Connor
  • Jose S Yu
  • David F Wiemer
  • Steven Finckbeiner
  • Paul J Weldon

Detail Information

Publications32

  1. ncbi request reprint "Meta elimination," a diagnostic fragmentation in mass spectrometry
    Athula B Attygalle
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Am Soc Mass Spectrom 22:1515-25. 2011
    ..For example, the peaks observed at m/z 58, 86, 120, 128, and 170 from acetamido-, butamido-, benzamido, heptamido-, and decanamido-benzoates, respectively, were specific only to the spectra of meta isomers...
  2. ncbi request reprint Orange/lemon-scented beetles: opposite enantiomers of limonene as major constituents in the defensive secretion of related carabids
    Athula B Attygalle
    Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    Naturwissenschaften 96:1443-9. 2009
    ..Of about 500 carabid species that have been chemically investigated, this is the first report of the presence of such complex mixtures of monoterpenes in their defensive secretions...
  3. doi request reprint Mild route to generate gaseous metal anions
    Athula B Attygalle
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    Rapid Commun Mass Spectrom 25:681-8. 2011
    ..The metal atom acquires a partial negative charge in the intermediate structure. Copyright © 2011 John Wiley & Sons, Ltd...
  4. ncbi request reprint Biosynthesis of tiglic, ethacrylic, and 2-methylbutyric acids in a carabid beetle, Pterostichus (Hypherpes) californicus
    Athula B Attygalle
    Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Chem Ecol 33:963-70. 2007
    ..Consequently, ethacrylic acid was found to preferentially accumulate the deuterium labeling from [2,3,4,4-(2)H(4)]isoleucine during our biosynthetic experiments...
  5. ncbi request reprint Generation of gas-phase sodiated arenes such as [(Na3(C6H4)+] from benzene dicarboxylate salts
    Athula B Attygalle
    Center for Mass Spectrometry, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 45:72-81. 2010
    ....
  6. doi request reprint Reactivity of gaseous sodiated ions derived from benzene dicarboxylate salts toward residual water in the collision gas
    Chang Ching Chan
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 45:1130-8. 2010
    ....
  7. ncbi request reprint Defensive chemicals of two species of Trachypachus Motschulski
    Athula B Attygalle
    Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
    J Chem Ecol 30:577-88. 2004
    ....
  8. doi request reprint Desorption ionization by charge exchange (DICE) for sample analysis under ambient conditions by mass spectrometry
    Chang Ching Chan
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
    J Am Soc Mass Spectrom 21:1554-60. 2010
    ..In contrast, when the same samples were exposed to a spray of water/methanol/formic acid under customary DESI-like (positive-ion mode) conditions, no peaks representing the analytes were observed...
  9. ncbi request reprint A distonic radical-ion for detection of traces of adventitious molecular oxygen (o2) in collision gases used in tandem mass spectrometers
    Freneil B Jariwala
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, 07030, USA
    J Am Soc Mass Spectrom 25:1670-3. 2014
    ..The exceptional affinity of the m/z 280 radical cation towards oxygen was deployed to develop a method to determine the oxygen content in collision gases. ..
  10. doi request reprint Collision-induced dissociation mass spectra of glucosinolate anions
    Jason B Bialecki
    Department of Chemistry, Chemical Biology and Biomedical Engineering, Center for Mass Spectrometry, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 45:272-83. 2010
    ..Similarly, the m/z 201 peak in the spectrum of phenyl glucosinolate was attributed to C(6)H(5)-C(=S)OSO(2)(-)...
  11. doi request reprint Gas-phase fragmentations of anions derived from N-phenyl benzenesulfonamides
    John A Hibbs
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Am Soc Mass Spectrom 24:1280-7. 2013
    ..Furthermore, N-phenyl benzenesulfonamide and its derivatives also undergo a phenyl radical loss to form a radical ion with a mass-to-charge ratio of 155, which is in violation of the so-called "even-electron rule." ..
  12. ncbi request reprint Formation of the bisulfite anion (HSO(3) (-) , m/z 81) upon collision-induced dissociation of anions derived from organic sulfonic acids
    Freneil B Jariwala
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 47:529-38. 2012
    ....
  13. ncbi request reprint Low-energy collision-induced fragmentation of negative ions derived from diesters of aliphatic dicarboxylic acids made with hydroxybenzoic acids
    Upul Nishshanka
    Center for Mass Spectrometry, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 43:1502-11. 2008
    ..Appropriate deuterium labeling experiments demonstrated that the hydrogen atom transferred for the formation of the m/z 137 ion in ortho compounds is specifically derived from the alpha position of the dicarboxylic acid moiety...
  14. doi request reprint Generation and detection of gaseous W12O41-* and other tungstate anions by laser desorption ionization mass spectrometry
    Julius Pavlov
    Department of Civil, Environmental, and Ocean Engineering, Center for Environmental Systems, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
    J Am Soc Mass Spectrom 20:1782-9. 2009
    ....
  15. doi request reprint Gas-phase fragmentation of metal adducts of alkali-metal oxalate salts
    Robert D Hale
    Stevens Institute of Technology, Chemistry and Chemical Biology, Hoboken, NJ, USA
    J Mass Spectrom 49:195-200. 2014
    ....
  16. ncbi request reprint Low-energy collision-induced dissociation mass spectra of protonated p-toluenesulfonamides derived from aliphatic amines
    Jason B Bialecki
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, 07307, USA
    J Am Soc Mass Spectrom 25:1068-78. 2014
    ..The loss of the positional integrity in this way was proven by deuterium labeling experiments...
  17. doi request reprint Enhancement of laser desorption ionization mass spectrometric signals of cesium iodide by elemental sulfur
    Andrew Kruegel
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    Rapid Commun Mass Spectrom 27:763-6. 2013
    ....
  18. ncbi request reprint Quantification and remote detection of nitro explosives by helium plasma ionization mass spectrometry (HePI-MS) on a modified atmospheric pressure source designed for electrospray ionization
    Zhihua Yang
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 47:845-52. 2012
    ..In fact, passing over hot copper appears to be a practical way of removing TNT or other nitroaromatics from ambient air...
  19. ncbi request reprint Characterization of (E,E)-farnesol and its fatty acid esters from anal scent glands of nutria (Myocastor coypus) by gas chromatography-mass spectrometry and gas chromatography-infrared spectrometry
    Hyeunjoo Lee
    Center for Mass Spectrometry, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Chromatogr A 1165:136-43. 2007
    ..Finally, the GC retention indices of farnesol and farnesyl ester isomers determined from authentic samples were used to confirm all identifications...
  20. doi request reprint Evading metal adduct formation during desorption-ionization mass spectrometry
    Chang Ching Chan
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    Rapid Commun Mass Spectrom 24:2838-42. 2010
    ..Consequently, peaks for metal adducts that are commonly observed with other desorption techniques are minimal or absent in the spectra recorded by the DICE method...
  21. ncbi request reprint Location of double bonds in diene and triene acetates by partial reduction followed by methylthiolation
    Gulab N Jham
    Baker Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA
    J Chromatogr A 1077:57-67. 2005
    ..In addition, a new procedure is described using ND2ND2/H2O2 and DMDS derivative formation capable of distinguishing between the double bond positions in (Z)-9-tetradecenyl acetate and (9Z,12E)-9,12-tetradecadienyl acetate (1:1 mixture)...
  22. ncbi request reprint Selectivity of gas-phase ion/molecule reaction of carbon dioxide with phenide ions
    Chongming Liu
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, 07030, USA
    J Mass Spectrom 49:692-9. 2014
    ..We propose that the m/z 93 ion, albeit small, exists also as the phenide form together with the predominant phenoxide ion. Copyright © 2014 John Wiley & Sons, Ltd. ..
  23. ncbi request reprint Circumambulatory movement of negative charge ("ring walk") during gas-phase dissociation of 2,3,4-trimethoxybenzoate anion
    Kithsiri B Herath
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
    J Org Chem 79:4378-89. 2014
    ..In addition, the spectra of ions such as 1-dehydro-3,4-dimethoxybenzene anion show peaks for consecutive methyl radical losses, a feature that establishes the 1,2-relationship between the two methoxy groups. ..
  24. ncbi request reprint Real-time monitoring of in situ gas-phase H/D exchange reactions of cations by atmospheric pressure helium plasma ionization mass spectrometry (HePI-MS)
    Athula B Attygalle
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
    Anal Chem 86:928-35. 2014
    ....
  25. doi request reprint Direct detection of solid inorganic mercury salts at ambient pressure by electron-capture and reaction-assisted HePI mass spectrometry
    Sathis S Weerasinghe
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Castle Point on the Hudson, Hoboken, NJ, 07030, USA
    J Am Soc Mass Spectrom 25:149-53. 2014
    ..In situ oxidation of Hg2Cl2 with H2O2 generated signals for HgCl2 (-•) and [HgCl3] (-), suggesting that oxidation makes Hg 6 s orbital available for electron capture. ..
  26. doi request reprint Direct detection of inorganic nitrate salts by ambient pressure helium-plasma ionization mass spectrometry
    Julius Pavlov
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
    Anal Chem 85:278-82. 2013
    ..With the use of (15)N-labeled nitrate (m/z 63), the limit of detection was determined to be as low as 200 fg...
  27. ncbi request reprint Aliphatic hydrocarbon spectra by helium ionization mass spectrometry (HIMS) on a modified atmospheric-pressure source designed for electrospray ionization
    Zhihua Yang
    Center for Mass Spectrometry, Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Am Soc Mass Spectrom 22:1395-402. 2011
    ..Moreover, mass spectrometric results obtained by exposing unsaturated hydrocarbons to D(2)O vapor in an HPIS-MS instrument confirmed that the proton donor for ionization of unsaturated hydrocarbons is protonated water...
  28. doi request reprint Collision-induced dissociation mass spectra of positive ions derived from tetrahydropyranyl (THP) ethers of primary alcohols
    Josef Ruzicka
    Department of Chemistry, Chemical Biology, and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
    J Mass Spectrom 46:12-23. 2011
    ..A proton transfer from the carbenium ion to the aldehyde is followed by elimination of an alkene. Copyright © 2010 John Wiley & Sons, Ltd...
  29. doi request reprint Hydroxycarbonyl anion (m/z 45), a diagnostic marker for alpha-hydroxy carboxylic acids
    Jason B Bialecki
    Center for Mass Spectrometry, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
    J Mass Spectrom 44:252-9. 2009
    ..Moreover, the two oxygen atoms eliminated for the HCOOH loss originate exclusively from the carboxylate group...
  30. ncbi request reprint LC/MS characterization of undesired products formed during iodoacetamide derivatization of sulfhydryl groups of peptides
    Zhihua Yang
    Center for Mass Spectrometry, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, NJ 07030, USA
    J Mass Spectrom 42:233-43. 2007
    ..On the other hand, when the derivatization takes place at the carboxylic group, the y-series ions are markedly observed in the spectra of these undesired O-carboxamidomethyl derivatives...
  31. ncbi request reprint An unprecedented rearrangement in collision-induced mass spectrometric fragmentation of protonated benzylamines
    Jason Bialecki
    Center for Mass Spectrometry, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
    J Mass Spectrom 41:1195-204. 2006
    ..The postulated mechanisms enabled proper prediction of mass spectral fragments expected from protonated butenafine, an antifungal drug...
  32. ncbi request reprint Reptilian chemistry: volatile compounds from paracloacal glands of the American crocodile (Crocodylus acutus)
    Silvina García-Rubio
    Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853 1301, USA
    J Chem Ecol 28:769-81. 2002
    ..Major differences are indicated in the composition of the paracloacal gland secretion of C. acutus and that of another crocodylid, the African dwarf crocodile (Osteolaemus tetraspis)...