Tony Ribeiro

CURRICULUM VITAE

Anthony A. Ribeiro, Ph. D.                                                                                Date Modified: May 19,2004
Duke NMR Spectroscopy Center, Box 3711
B143 LSRC Building,  Duke University Medical Center
Durham, NC 27710
919-613-8887 (voice)
919-684-8885 (fax)
anthony.ribeiro@duke.edu

Summary:

Thirty-years of experience in applications of NMR spectroscopy in chemical, biological and biomedical sciences from continuous-wave to Fourier transform NMR instruments; Multidimensional NMR Methods; Relaxation Theory and Dynamics; Over 1000 students and postdoctoral fellows have worked on NMR instruments at Stanford and Duke Universities; Ninety-eight publications;

Research Interests:

Nuclear Magnetic Resonance in Chemistry, Biochemistry and BioMedicine – Structure and Dynamics in Phospholipid Membrane Assemblies, Protein and Peptide Conformation and Folding, Lipopolysaccharide Structure and Dynamics, Perfluorinated Oxygen Carriers, Dendrimer Structure; Molecular Interactions;

Magnetic Relaxation Theory and Dynamics; Multidimensional NMR Methods. 

Education:

1976 – 1978 Postdoctoral Training University of California, San Diego Professor Murray Goodman
1971 – 1975 Ph. D. Chemistry University of California, San Diego Professor Edward Dennis
Thesis: NMR Studies of Nonionic Surfactant
Micelles and Mixed Micelles with Phospholipids
1970 – 1972 M. S. Chemistry University of California, San Diego Professor Robert Linck
1966 – 1970 B. S. Chemistry University of San Francisco Professor Mel Gorman

Research and Professional Experience:

1986 – Operations Manager Duke NMR Spectroscopy Center Duke University, Durham, NC
1984 – Research Associate Department of Radiology Duke University, Durham, NC
1983 – 1984 NMR Chemist National Institute of Environmental Health Sciences Research Triangle Pk, NC
1978 – 1983 Operations Manager NIH National NMR Resource
Stanford Magnetic Resonance Laboratory
Stanford University, CA
1976 – 1978 NIH Postdoctoral Fellow University of California La Jolla, CA
Professor Murray Goodman
1971 – 1975 NIH Predoctoral Fellow University of California, San Diego La Jolla, CA
Professors Robert Linck and Edward Dennis
1970 – 1971 Teaching Fellow University of California, San Diego La Jolla, CA

Honors and Awards:

UCSD Chemistry Department Teaching Award, 1973.
Finalist, Victor K. La Mer Award for Graduate Research in Colloid and Surface Chemistry, 1976.
Roscoe E. Miller Award, Society of Gastrointestinal Radiologists, 1989. 

Invited Seminars: 

Plenary Lecture: 41st Eastern Analytical Symposium and Exposition, Somerset, NJ November 2002.
Fluorine and Carbon NMR Strategies for Analysis of Highly Fluorinated or Perfluorinated Molecules.

Publications: 

1.   G. N. Schrauzer, A. A. Ribeiro, L. P. Lee and R. K. Y. Ho; “Novel degradation reactions on halomethyl  derivatives of bis(diacetyldioximato)cobalt”; (1971) Angewandte Chemie 83:849-850 (in German), Angewandte Chemie International Edition 10:807-808.

2.   A. A. Ribeiro and E. A. Dennis; “Studies on the cloud point and micellar phases of Triton X-100 using 220 MHz proton magnetic resonance techniques”; (1974) Chem. Phys. Lipids 12:31-38.

3.   A. A. Ribeiro and E. A. Dennis; “Effects of thermotropic phase transitions of dipalmitoyl phosphatidyl-choline on the formation of mixed micelles with Triton X-100”; (1974) Biochim. Biophys. Acta 332:26-35.

4.    E. A. Dennis and A. A. Ribeiro; “Mixed micelles of dimyristoyl phoshpatidylcholine and Triton X-100: spin-lattice relaxation times”; (1974) Federation Proceedings 33:1341.

5.    A. A. Ribeiro and E. A. Dennis; “PMR relaxation times of micelles of the nonionic surfactant Triton X-100 and mixed micelles with phospholipid”; (1975) Chem. Phys. Lipids 14:193-197.

6.   A. A. Ribeiro and E. A. Dennis; “Proton magnetic resonance relaxation studies on the structure of mixed micelles of the nonionic surfactant Triton X-100 with dimyristoylphoshpatidylcholine”; (1975) Biochemistry 14:3746-3755.

7.    A. A. Ribeiro and E. A. Dennis; “13C nuclear magnetic resonance relaxation studies on the structure of mixed micelles of the nonionic surfactant Triton X-100 with phospholipids”; (1976) J. Colloid Interface Science 55:94-101.

8.    A. A. Ribeiro and E. A. Dennis; “Motion in nonionic surfactant micelles and mixed micelles with phospholipids: a carbon-13 spin-lattice relaxation study on the ptert-octylphenylpolyoxyethylene ethers”; (1976) J. Phys. Chem. 80:1746-1753.

9.   A. A. Ribeiro and E. A. Dennis; “13C Nuclear magnetic resonance studies on motion and structure of nonionic surfactant micelles and mixed micelles with phospholipids”; Colloid and Interface Science, Vol II: Aerosols, Emulsions and Surfactants (1976) Academic Press, NY, pp. 325-338.

10.  E. A. Dennis and A. A. Ribeiro; “Use of nuclear magnetic resonance techniques to study nonionic surfactant micelles and mixed micelles with phospholipids’; Magnetic Resonance in Colloid and Interface Science (1976) H. S. Hesing and C. G. Wade, eds., American Chemical Society Symposium Series 34:453-466.

11.  A. A. Ribeiro and E. A. Dennis; “A carbon-13 and proton nuclear magnetic resonance study on the structure and mobility of nonionic alkylpolyoxyethylene ether micelles”; (1977) J. Phys. Chem. 81:957-963.

12.  A. A. Ribeiro, M. Goodman and F. Naider; “Use of a guest amino acid for the complete proton nuclear magnetic resonance assignments of blocked linear methionine homo-oligopeptides”; (1978) J. Amer. Chem. Soc. 100:3903-3907.

13.  F. Naider, J. M. Becker, A. A. Ribeiro and M. Goodman; “The effect of homologous amino acid replacement on the conformation of oligopeptides. III. CD studies on co-oligopeptides of methionine and valine or methionine and glycine in organic solution”; (1978) Biopolymers17:2213-2224.

14.  M. Goodman, A. A. Ribeiro and F. Naider; “Protected homo-oligopeptide structure: model for the preferred conformation of a linear methionine heptapeptide in chloroform”; (1978) Proc. Nat. Acad. Sci. USA 75:4647-4651.

15.  F. Naider, A. S. Steinfeld, J. M. Becker, A. Ribeiro and M. Goodman; “The effect of homologous amino acid replacement on the conformation of oligopeptides”; (1978) Polymer Preprints, American Chemical Society Division of Polymer Chemistry 19:601-605.

16.  A. A. Ribeiro, M. Goodman and F. Naider; “The preferred conformations of protected homodi- tohomoheptamethionine peptides: a 1H NMR study in deuterochloroform solution”; (1979) Int. J. Pept. Prot. Res. 14:414-436.

17.  E. A. Dennis, A. A. Ribeiro, M. F. Roberts and R. J. Robson; “Nonionic surfactant micelles and mixed micelles with phospholipids”; Solution Chemistry of Surfactants, Vol I (1979) K L Mittal, ed., Plenum Press, New York, pp. 175-194.

18.  F. Naider, R. Sipzner, A. S. Steinfeld, J. M. Becker, A. A. Ribeiro and M. Goodman; “High resolution NMR studies on oligopeptides. use of specifically a-deuterated oligomethionines for assignment of NMR resonances”; Proceedings of the 6th American Peptide Symposium (1979) E. Gross and J. Meienhofer, eds., Pierce Chemical Co., Rockford, IL, pp. 185-188.

19.  R. K. Nanda, A. A. Ribeiro, T. S. Jardetzky and O. Jardetzky; “Phosphorus relaxation mechanisms in trimethyl phosphite, 2′,3′-cAMP and 5′-AMP”; (1980) J. Magn. Reson. 39:119-125.

20.  O. Jardetzky, A. A. Ribeiro and R. King; “The analysis of NMR relaxation data in terms of multiple internal motions”; (1980) Biochem. Biophys. Res. Comm. 92:883-888.

21.  A. A. Ribeiro, N. G. Wade-Jardetzky, R. King and O. Jardetzky; “The study of macromolecular dynamics by high resolution NMR”; (1980) Appl. Spectrosc. 34:299-305.

22.  A. A. Ribeiro, R. King, C. Restivo and O. Jardetzky; “An approach to the mapping of internal motions in proteins. Analysis of 13C NMR relaxation in the bovine pancreatic trypsin inhibitor”; (1980) J. Amer. Chem. Soc. 102:4040-4051.

23.  A. A. Ribeiro, R. P. Saltman and M. Goodman; “Preferred conformations of protected homo-oligo-L-glutamate peptides in CDCl3 and CDCl3/TFA mixtures”; (1980) Biopolymers 19:1771-1790.

24.  F. Naider, A. A. Ribeiro and M. Goodman; “1H NMR study of protected homo-oligopeptides in helix supporting environment”; (1980) Biopolymers 19:1791-1799.

25.  A. A. Ribeiro, D. E. Wemmer, N. G. Wade-Jardetzky and O. Jardetzky; “The high field nuclear magnetic resonance facility at Stanford”; (1980) Abs. Pap. ACS 180:54.

26.  A. A. Ribeiro, D. Wemmer, R. P. Bray, N. G. Wade-Jardetzky and O. Jardetzky; “High resolution nuclear magnetic resonance studies of the LacRepressor. 1. Assignments of tyrosine resonances in the N-terminal headpiece”; (1981) Biochemistry 20:818-823.

27.  A. A. Ribeiro, D. Wemmer, R. P. Bray, N. G. Wade-Jardetzky and O. Jardetzky; “High resolution nuclear magnetic resonance studies of the LacRepressor. 2. Partial analysis of the aliphatic region of the Lac repressor headpiece spectrum”; (1981) Biochemistry 20:823-829.

28.  D. Wemmer, A. A. Ribeiro, R. P. Bray, N. G. Wade-Jardetzky and O. Jardetzky; “High resolution nuclear magnetic resonance studies of the LacRepressor. 3. Unfolding of the Lac repressor headpiece”; (1981) Biochemistry 20:829-833.

29.  A. A. Ribeiro, D. Wemmer, R. P. Bray and O. Jardetzky; “pH dependence of the high resolution proton nuclear magnetic resonance spectrum of the Lac repressor headpiece”; (1981) Biochemistry 20:3346-3350.

30.  A. A. Ribeiro, D. Wemmer, R. P. Bray and O. Jardetzky; “High resolution proton nuclear magnetic resonance studies of exhangeable resonances of the Lac repressor headpiece’; (1981) Biochemistry 20:3351-3354.

31.  A. A. Ribeiro, D. Wemmer, R. P. Bray and O. Jardetzky; “A folded structure for the Lac repressor headpiece”; (1981) Biochem. Biophys. Res. Comm. 99:668-674.

32.  M. F. Brown, G. D. Williams and A. A. Ribeiro; “Carbon-13 NMR T1 study of lipid bilayer dynamics: effect of acyl chain length and unsaturation”; (1982) Biophysical J. 37:13a

33.  A. A. Ribeiro, R. P. Saltman, M. Goodman and M. Mutter; “1H NMR studies on poly(oxyethylene)-bound-homo-oligo-L-methionines”; (1982) Biopolymers 21:2225-2239.

34.  A. A. Ribeiro, R. King and O. Jardetzky; “Rotational solitons in folded polypeptide chains”;Conformation in Biology (1982) G. N. Ramachandran Festschrift, R. Srinivaswan and R. H. Sarma, eds., Adenine Press, New York, pp. 39-48.

35.  K. Bode, M Mutter, R. P. Saltman, M. Goodman and A. A. Ribeiro; “1H NMR studies on poly(oxyethylene)-bound oligopeptides”; (1983) Biopolymers 22:163-169.

36.  A. A. Ribeiro, O. Jardetzky, C. Gilon, D. Teitelbaum and M. Chorev; “1H NMR studies on substance P hexapeptide analogues”; (1983) Biopolymers 22:247-253.

37.  A. A. Ribeiro, M. Chorev and M. Goodman; “Proton NMR studies of partially modified retro-inverso peptides”; (1983) Biopolymers 22:1869-1883.

38.  M. F. Brown, A. A. Ribeiro and G. D. Williams; “New view of lipid bilayer dynamics from 2H and 13C NMR relaxation time measurements”; (1983) Proc. Nat. Acad. Sci. USA 80:4325-4329.

39.  M. T. Mai, A. A. Ribeiro and O. Jardetzky; “Simple magic angle spinner for NMR studies in electromagnets”; (1984) J. Magn. Reson. 56:131-139.

40.  A. A. Ribeiro; “Aggregation states and dynamics of nonionic polyoxyethylene surfactants”; Reverse Micelles: Biological and Technological Relevance of Amphiphile Structure in Apolar Media (1984) P. L. Luisi and B. E. Straub, eds., Plenum Press, New York, pp. 113-120.

41.  A. A. Ribeiro, J. Parello and O. Jardetzky; “NMR studies of muscle proteins”; (1984) Progress in Biophysics and Molecular Biology 43:95-160.

42.  P. A. Zoretic, R. J. Chambers, G. D. Marbury and A. A. Ribeiro; “Stereospecific synthesis of secondary allylic alcohols. Selenoxide chemistry: studies towards the synthesis of d,l-micordilin”: (1985) J. Org. Chem. 50:2981-2987.

43.  A. A. Ribeiro, R. P. Saltman and M. Goodman; “Synthesis and NMR conformational studies of poly-oxyethylene-bound, a-deuterated glutamate oligopeptides”; (1985) Biopolymers 24:2431-2447.

44.  A. A. Ribeiro, R. P. Saltman and M. Goodman; “Conformational analysis of polyoxyethylene-bound homo-oligo-l-glutamates in weakly interacting medium, cdcl3‘; (1985) Biopolymers 24:2449-2468.

45.  A. A. Ribeiro, R. P. Saltman and M. Goodman; “Conformational analysis of polyoxyethylene-bound homo-oligo-l-glutamates in helix-supporting environment, trifluoroethanol”; (1985) Biopolymers 24:2469-2493.

46.  A. A. Ribeiro, R. P. Saltman and M. Goodman; “Conformational analysis of polyoxyethylene-bound homo-oligo-l-glutamates in aqueous environment”; (1985) Biopolymers 24:2495-2510.

47.  M. A. Brown, T. A. Stenzel, A. A. Ribeiro, B. P. Drayer and L. D. Spicer; “NMR studies of combined lanthanide shift and relaxation agents for differential characterization of 23Na in a two-compartment system”; (1986) Magn. Reson. in Med. 3:289-295.

48.  S. P. Kramer, J. L. Johnson, A .A. Ribeiro, D .S. Millington and K. V. Rajagopalan; “The structure of the molybdenum cofactor”: (1987) J. Biol. Chem. 262:16357-16363.

49.  A. A. Ribeiro and E. A. Dennis; “Structure and Dynamics by NMR and other methods”; Nonionic Surfactants: Physical Chemistry (1987) M.J. Schick, ed., Marcel Dekker, NY, pp. 997-1010.

50.  E. M. Arnett, F. J. Fisher, M. A. Nichols and A. A. Ribeiro; “Thermochemistry of a structurally defined aldol reaction”;  (1989) J. Am. Chem. Soc.111:748-749.

51.  R. A. Halvorsen, A. A. Ribeiro, R. Blinder, C. Waters and W. M. Thompson; “Magnetic resonance spectroscopy of bile: in vitro stability over time and component identity”; (1989) Investigative Radiology 24:903-908.

52.  E. M. Arnett, F. J. Fisher, M. A. Nichols and A. A. Ribeiro; “Structure-energy relations for the aldol reaction in nonpolar media”; (1990) J. Am. Chem. Soc. 112:801-808.

53.  G. L. Jendrasiak, T. J. McIntosh, A. A. Ribeiro and R. S. Porter; “Amiodarone-liposome interaction: A multinuclear NMR and X-ray diffraction study”; (1990) Biochim. Biophys. Acta 1024:19-31.

54.  A. A. Ribeiro; “1H and 13C NMR analyses of D-amygdalin: oligosaccharide assignment and sequencing”; (1990) Magn. Reson. Chemistry25:765-773.

55.  H. Kay, J. D. Gordon, A. A. Ribeiro and L. D. Spicer; “Phosphorus-31 magnetic resonance spectroscopy of human placenta and quantitation with perchloric acid extracts”; (1991) Amer. J. Obstet. and Gyn. 164:80-87.

56.  M. A. Patrick, S. K. Sethi, S. E. Unger, S. Mirsadeghhi, A. A. Ribeiro and D. R. Thakker “A novel reaction between acetone and benzo[c]phenanthrene K-region o-quinone containing a peri-fluoro substituent”; (1991) J. Org. Chem. 56:888-891.

57.  A. A. Ribeiro and G. L. Jendrasiak; “1Hand 13C NMR analyses of amiodarone, desethylamiodarone and desoxoamiodarone”; (1991) Magn. Reson. Chem. 29:482-493.

58.  G. L. Jendrasiak, R. Smith and A. A. Ribeiro; “The interaction of pseudohalides with the phospholipid head group: a nuclear magnetic resonance study”; (1991) Physiol. Chem. Phys. and Med. NMR 23:1-11.

59.  H. Kay, J. D. Gordon, A. A. Ribeiro and L. D. Spicer; “31P nuclear magnetic resonance (NMR) spectroscopy of human placenta and placenta extracts”; (1991) Trophoblast Research 5:397-398.

60.  T. G. Warner, A. Louie, M. Potier and A. A. Ribeiro; “Distinguishing mammalian sialidases by inhibition kinetics with novel derivatives of 5-acetamido-2,6-anhydro-3,5-dihydroxy-D-glycero-D-galacto-non-2-enonic acid, an unsaturated derivative of N-acetyl-neuraminic acid”; (1991) Carbohydrate Res. 215:315-321.

61.  R. D. Stevens, A. A. Ribeiro, L. Lack and P. G. Killenberg; “Proton magnetic resonance studies of the aggregation of taurine-conjugated bile salts”: (1992) J. Lipid Res. 33:21-29.

62.  H. H. Kay, S. R. Hawkins, J. D. Gordon, Y. Wang, A. A. Ribeiro and L. D. Spicer; “Comparative analysis of normal and growth retarded placentas using phosphorus nmr spectroscopy”; (1992) Amer. J. Obstet.Gynecol. 167:548-553.

63.  H. H. Kay. S. R. Hawkins, Y. Wang, D. E. Mika, A. A. Ribeiro and L. D. Spicer; “Phosphorus-31 magnetic resonance spectroscopy of perifused human placental villi under varying oxygen concentrations” (1993) Amer. J. Obstet. Gynecol. 168:246-252.

64.  G. L. Jendrasiak, R. Smith and A. A. Ribeiro; “Chaotropic anion-phosphatidylcholine membrane interactions: an ultra high field NMR study”; (1993)  Biochim. Biophys. Acta 1145:25-32.

65.  G. L. Jendrasiak, A. A. Ribeiro, M. A. Nagumo and P. E. Schoen; “A temperature study of diacetylenic phosphatidylcholine vesicles”; (1994) Biochim. Biophys. Acta 1194:233-238.

66.  A. A. Ribeiro and M. J. Glen; “19F-13C, 1H –13C Multi- and single-bond correlations and determination of coupling constant signs”; (1994) J. Magn. Reson. Ser. A 107:158-166.

67.  J. S. Macfall, A. A. Ribeiro, G. P. Cofer, K. H. Dai, W. Labiosa, B. C. Faust and D. D. Richter; “Design and use of background-reduced 27Al NMR probes for the study of dilute samples from the environment”;(1995) Applied Spectroscopy 49:156-162.

68.  B. C. Faust, W. B. Labiosa, K. H. Dai, J. S. Macfall, B. A. Browne, A. A. Ribeiro and D. D. Richter; “Speciation of aqueous Al(III)-hydroxo and other Al(III) complexes at concentrations of geochemical relevance by aluminum-27 nuclear magnetic resonance spectroscopy”; (1995) Geochim. et Cosmochim. Acta 59:2651-2661.

69.  A. A. Ribeiro; “Two strategies for NMR spectral simplification of highly fluorinated alkyl chains”; (1995) J. Magn. Reson. Ser. A 117:257-261.

70.  P. A. Zoretic, Z. Shen, M. Wang and A. A. Ribeiro; “A biomimetic-like radical approach to furano-diterpenes”; (1995) Tetrahedron Lett. 36:2925-2928.

71.  P.A. Zoretic, Y. Zhang and A.A. Ribeiro; “Spongian furanoditerpenes: an intramolecular radical approach”; (1995) Tetrahedron Lett. 36:2929-2932.

72.  P.A. Zoretic, Y. Zhang and A.A. Ribeiro; “An intramolecular radical approach to angular electrophores in polycyclic systems”; (1996) Tetrahedron Lett. 37:1751-1754.

73.  P. A. Zoretic, M. Wang, Y. Zhang, Z. Shen and A. A. Ribeiro; “Total synthesis of d,l-isospongiadiol: an intramolecular radical cascade approach to furanoditerpenes”; (1996) J. Org. Chem. 61:1806-1813.

74.  R. A. Izydore, A. A. Ribeiro and I. H. Hall; “Structure and conformations of monacyl and diacyl 1,2,4-triazolidine-3,5-diones”; (1996) J. Org. Chem.61:3733-3737.

75.  P.A. Zoretic, Z. Chen, Y. Zhang and A.A. Ribeiro; “A radical prototype to steroids: synthesis of d,l-5a-D-homoandrostane-4a-methyl-3,17a-dione”; (1996) Tetrahedron Lett. 37:7909-7912.

76.  V. de Serrano, A. A. Ribeiro, W. J. Strittmatter and L. D. Spicer; “NMR investigation of a microtubule binding region peptide from human tau (t) protein”; (1997) Protein and Peptide Letters 4:165-172.

77.  A. A. Ribeiro; “19F, 13C Single- and two-bond correlations in perfluoroheptanoic acid”; (1997) J. Fluorine Chemistry 83:61-66.

78.  A. A. Ribeiro; “19F, 13C Correlations in a highly fluorinated alkyl chain and coupling constant signs at thefluorocarbon/hydrocarbon interface”; (1997) Magn. Reson. Chemistry 35:215-221.

79.  P. A. Zoretic, H. Fang, A. A. Ribeiro and G. R. Dubay; “Synthesis of acuminolide and 17-O-acetyl-acuminolide from (+)-sclareolide”; (1998) J. Org. Chem. 63:1156-1161.

80.  P. A. Zoretic, Y. Zhang, H. Fang, A. A. Ribeiro and G. R. Dubay; “Advanced tetracycles in a stereo-selective approach to d,l-spongiatriol and related metabolites: the use of radicals in the synthesis of angular electrophores”; (1998) J. Org. Chem. 63:1162-1167.

81.  A. A. Ribeiro, Z. Shen, M. Wang, Y. Zhang and P. A. Zoretic; “1H and 13C NMR assignments and stereo-chemistry of d,l-isospongiadiol and six spongian intermediates”; (1998) Magn. Reson. Chem. 36:325-335.

82.  P. A. Zoretic, H. Fang and A. A. Ribeiro; “Synthesis of d,l-norlabdane oxide and related odorants: an intramolecular radical approach”; (1998) J. Org. Chem. 63:4779-4785.

83.  P. A. Zoretic, H. Fang and A. A. Ribeiro; “Application of a radical methodology towards the synthesis of d,l-5a-pregnanes and related steroids: a stereospecific radical cascade approach”: (1998) J. Org. Chem. 63:7213-7217.

84.  A. A. Ribeiro, Z. Zhou and C. R. H. Raetz; “Multidimensional NMR Structural Analyses of Purified Lipid X and Lipid A (Endotoxin)”; (1999) Magn. Reson. Chem. 37:620-631

85.  Z. Zhou, A.A. Ribeiro and C.R.H. Raetz; “High Resolution NMR Spectroscopy of Lipid A Molecules containing 4-Amino-4-deoxy-L-Arabinose and Phosphoethanolamine Substituents: Different attachment sites on lipid A’s from NH4VO3 treated Escherichia coli versus kdsA mutants ofSalmonella typhimurium”; (2000) J. Biol. Chem. 275:13542-13551.

86.  N. L. S. Que, A. A. Ribeiro and C. R. H. Raetz; “Two-dimensional NMR Spectroscopy and Structures of Six Lipid A Species from Rhizobium etliCE3: Presence of a common distal subunit with an unusual acyloxyacyl residue”; (2000) J. Biol.Chem. 275:28006-28016.

87.  G. L. Jendrasiak, R. L. Smith and A. A. Ribeiro; “The interaction of MRI contrast agents with phospholipids”; (2000) Phys. Med. Biol. 45:3109-3122.

88.  Z. A. Sergueeva, D. S. Sergueev, A. A. Ribeiro, J. S. Summers and B. R. Shaw; “Individual Isomers of Dinucleoside Boranophosphates as Synthons for Incorporation into Oligonucleotides: Synthesis and Configurational Assignment”; (2000) Helv. Chim. Acta 83:1377-1391.

89.  Z. Zhou, A. A. Ribeiro, S. Lin, R. J. Cotter, S. I. Miller and C. R. H. Raetz; “Lipid A Modifications in Polymixin Resistant Salmonella typhimurium: PmrA dependent 4-amino-4-deoxy-L-arabinose and phosphoethanolamine incorporation”; (2001) J. Biol. Chem. 276:43111-43121.

90.  M. S. Trent, A. A. Ribeiro, S. Lin, R. J. Cotter and C. R. H. Raetz; “An Inner Membrane system in Salmonella typhimurium and Escherichia colithat transfers 4-Amino-4-deoxy-L-arabinose to Lipid A Induction in polymixin resistant mutants and role of a novel lipid-linked donor”; (2001) J. Biol. Chem. 276: 43122-43131.

91.  M. S. Trent, A. A. Ribeiro, W. T. Doerrler, S. Lin, R. J. Cotter and C. R. H. Raetz; “Accumulation of a Polyisoprene-linked Amino Sugar in Polymixin Resistant Salmonella typhimurium and Escherichia coli: Structural characterization and transfer to lipid A in the periplasm”; (2001) J. Biol. Chem. 276: 43132-43144.

92.  J. S. Summers, C. G. Hoogstraten, R. D. Britt, K. Base, B. R. Shaw, A. A. Ribeiro and A. L. Crumbliss; “31P NMR Probes of Chemical Dynamics: Paramagnetic Relaxation Enhancement of the 1H and 31P NMR Resonances of Methyl Phosphite and Methyl(ethyl) Phosphate Anions by Selected Metal Complexes”; (2001) Inorg. Chem. 40:6547-6554.

93.  S. D. Breazeale, A. A. Ribeiro and C. R. H. Raetz; “Oxidative Decarboxylation of UDP-Glucuronic Acid in Extracts of Polymixin ResistantEscherichia coli: Origin of lipid A species modified with 4-amino-4-deoxy-L-arabinose”; (2002) J. Biol. Chem. 277:2886-2896.

94.  G. S. Hird, T. J. McIntosh, A. A. Ribeiro and M. W. Grinstaff; “Synthesis and Characterization of Carbohydrate-Based Phospholipids”; (2002) J. Amer. Chem. Soc.124:5983-5992.

95.  A. A. Ribeiro and K. Umayahara; “19F, 13C NMR Analysis of an Oxygen Carrier, Perfluorotributylamine, and Perfluoropentanoic Acid”, (2003) Mag. Reson. Chem. 41:107-114. 

96.  M. I. Kanipes, A. A. Ribeiro, S. Lin, R. J. Cotter, C. R. H. Raetz CR; “A Mannosyl transferase required for lipopolysaccharide inner core assembly in rhizobium leguminosarum: purification, substrate specificity and expression in salmonella waaC mutants”, (2003) J Biol Chem. 278:16356-16364. 

97. S. D. Breazeale, A. A. Ribeiro, C. R. H. Raetz; “Origin of lipid A species modified with 4-amino-4-deoxy-L-arabinose in polymyxin-resistant mutants of Escherichia coli. An aminotransferase (ArnB) that generates UDP-4-deoxy-L-arabinose”. J Biol Chem. (2003) 278:24731-24739.

98. M. T. Morgan, M. A. Carnahan, C. E. Immoos, A. A. Ribeiro, S. Finkelstein S, Lee SJ, Grinstaff MW; “Dendritic  molecular capsules for hydrophobic compounds”. J Am Chem Soc. (2003) 125:15485-9.

99. C. R. Sweet, A A. Ribeiro, C. R. Raetz; “Oxidation and transamination of the 3”-position of UDP-N-acetylglucosamine by enzymes fromacidithiobacillus ferrooxidans: Role in the formation of lipd A molecules with four amide-linked acyl chains”, (2004) J. Biol. Chem. Mar 24 In Press.

100. N. L. Que-Gewirth, A. A. Ribeiro, S. R. Kalb, R. J. Cotter, D. M. Bulach, B. Adler, I. Saint Girons, C. Werts, C. R. Raetz; “A methylated phosphate group and four amide-linked acyl chains in Leptospira interrogans lipid A: The membrane anchor of an unusual lipopolysaccharide that activates TLR2″, (2004) J. Biol. Chem. Mar 24 In Press.

Selected Abstracts

A. A. Ribeiro, K. H. Baratz, M. A. Brown and L. D. Spicer (1986) XIIth International Conference on Magnetic Resonance in Biological Systems, Todtmoos, Germany, September 8-12, Abstract P230. 23Na NMR investigations of the porcine eye.

H. H. Kay, J. D. Gordon, A. A. Ribeiro and L. D. Spicer (1988) Society of Magnetic Resonance in Medicine 7th Annual meeting, New Orleans, LA, April 17-21, Abstract 475. 31P NMR spectroscopy studies of human placenta and placenta extracts.

A. A. Ribeiro (1990) XIVth International Conference on Magnetic Resonance in Biological Systems, Warwick, England. September 9-14, p. P12-2.Zero quantum and long range NMR spectroscopy for oligosaccharide assignments and sequencing.

J. S. Macfall, A. A. Ribeiro, G. P. Cofer, K. H. Dai, B. C. Faust and D. D. Richter (1992) 33rd Experimental NMR Conference, Asilomar, CA, March 29-April 2, P126. Background-free probe for 27Al NMR spectroscopy.

A. A. Ribeiro and M. J. Glen (1993) 34th Experimental NMR Conference, St. Louis, MO, March 14-18, P68. 19F-13C, 1H –13C Multi- and single-bond correlations and determination of coupling constant signs.

A. A. Ribeiro (1994) 35th Experimental NMR Conference, Asilomar, CA, April 10-14, MP 126. 19F-13C 2D NMR correlations and determination of coupling constant signs.

J. S. Macfall, A. A. Ribeiro, G. P. Cofer, K. H. Dai, B. C. Faust and D. D. Richter (1995) 36th Experimental NMR Conference, Boston, MA, March 26-39, P 99.Use of background reduced 27Al NMR probes for the study of dilute samples from the environment.

A. A. Ribeiro, D. G. Davis and L. D. Spicer (1996) 37th Experimental NMR Conference, Asilomar, CA, March 17-22, MP 95. Gradient assisted NOESY and ROESY for mucin peptide conformational studies in water.

A. A. Ribeiro (1996) 37th Experimental NMR Conference, Asilomar, CA, March 17-22, MP 134. Two strategies for NMR spectral simplifications of highly fluorinated molecules.

A. A. Ribeiro (1997) 38th Experimental NMR Conference, Orlando, FL, March 23-27, P 164. 19F, 13C HMQC and HMBC: applications to perfluorocarbon oxygen carriers.

A. A. Ribeiro, Z. Zhou and C. R. H. Raetz (1998) 39th Experimental NMR Conference, Asilomar, CA, March 22-27, W/Th P120. NMR determinations of phosphate linkages and 1H, 31P and 13C assignments in Lipid A (endotoxins).

A. A. Ribeiro (1999) 40th Experimental NMR Conference, Orlando, FL, Feb 28-Mar 3, W/Th P 024.Glycolipid Phosphate Linkages by Selective Inverse Decoupling Difference Spectroscopy (SIDDS).

A. A. Ribeiro (2000) 41st Experimental NMR Conference, Asilomar, CA, April 9-14, M/T PA 028. Ultra-High Field Strategy for 13C NMR Spectral Simplification of Perfluorocarbon Molecules.

G. L. Jendrasiak, R. L. Smith and A. A. Ribeiro (2001) 42nd Experimental NMR Conference, Orlando, FL, Mar 11-16, M/T P183. The Interaction of MRI Contrast Agents with Phospholipids.

A. Ribeiro, K. Base, M. Tierney, J. Weinstein & M. Grinstaff (2002) 43rd Experimental NMR Conference Asilomar, CA, April 14-19, M/T P108. 195Pt,1H & 13C NMR of Structure and Dynamics in Six Novel Platinum(II) Donor-Acceptor Chromophores.

A.Ribeiro, Z. Zhou, M. Trent, S. Breazeale and C. Raetz, (2002) 16th European Experimental NMR Conference, Prague, Czech Republic, June 9-14, Poster PA4, NMR of Lipid A in Bacteria by  1H Observe, Selective 31P Excite NMR Methods.

A. A. Ribeiro (2002) 41st Eastern Analytical Symposium and Exposition, Somerset, NJ, Nov. 18-21, P402. Fluorine and Carbon NMR Strategies for Analysis of Highly Fluorinated or Perfluorinated Molecules.

A. A. Ribeiro and K. Umayahara (2003) 44th Experimental NMR Conference Savannah, GA, March 30 – April 4, PE220. 13C versus 19F NMR Relaxation of Perfluorocarbon Oxygen Carriers.

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