@article {2612,
	title = {Comparison of Dopants for Charge Exchange Ionization of Nonpolar Polycyclic Aromatic Hydrocarbons with Reversed-Phase LC-APPI-MS},
	journal = {Journal of the American Society for Mass Spectrometry},
	volume = {20},
	number = {1},
	year = {2009},
	note = {ISI Document Delivery No.: 393RRTimes Cited: 4Cited Reference Count: 16Smith, Derek R. Robb, Damon B. Blades, Michael W.},
	month = {Jan},
	pages = {73-79},
	type = {Article},
	abstract = {Atmospheric pressure photoionization (APPI) is capable of ionizing nonpolar Compounds in LC/MS, through charge exchange reactions following photoionization of a dopant. Recently, several novel dopants-chlorobenzene, bromobenzene, 2,4-difluoroanisole, and 3-(trifluoromethyl)anisole-have been identified as having properties making them well-suited to serve as dopants for charge exchange ionization under reversed-phase LC conditions. Here, we report the results of experiments comparing their effectiveness to that of established dopants-toluene, anisole, and a toluene/anisole Mixture, for the charge exchange ionization of model nonpolar compounds-the 16 polycyclic aromatic hydrocarbons (PAHs) identified by the US EPA as priority pollutants-when using a conventional reversed-phase LC method. Chloro- and bromobenzene were found to be much more effective than toluene for all the PAHs, due to the relatively low reactivity of their photoions with the solvent. Their overall performance was also better than that of anisole, due to anisole{\textquoteright}s ineffectiveness toward higher-IE compounds. Further, the experiments revealed that anisole{\textquoteright}s performance for higher-IE compounds can be dramatically improved by introducing it as a dilute Solution in toluene, rather than neat. The two fluoroanisoles provided the highest overall sensitivity, by a slim margin, when introduced as dilute solutions in either chloro- or bromobenzene. (J Am Soc Mass Spectrom 2009, 20, 73-79) (C) 2009 Published by Elsevier Inc. on behalf of American Society for Mass Spectrometry},
	keywords = {ATMOSPHERIC-PRESSURE PHOTOIONIZATION, ENERGIES, LC/MS, MASS-SPECTROMETRY, PROTON, SOLVENT},
	isbn = {1044-0305},
	url = {<Go to ISI>://000262390900011},
	author = {Smith, D. R. and Robb, D. B. and Blades, M. W.}
}
@article {2526,
	title = {Evolutionary algorithms to solve complicated NMR spectra},
	journal = {Journal of Chemical Physics},
	volume = {130},
	number = {4},
	year = {2009},
	note = {ISI Document Delivery No.: 401TJTimes Cited: 3Cited Reference Count: 37Meerts, W. Leo de Lange, C. A. Weber, A. C. J. Burnell, E. E.},
	month = {Jan},
	pages = {8},
	type = {Article},
	abstract = {The complexity of H-1 NMR spectra of solutes in partially ordered solvents such as liquid crystals increases rapidly with the number of spins. Spectra of simple solutes with sufficient symmetry and containing not too many spins (typically <= 8) are readily analyzed. The analysis of larger spin systems is more difficult, and often impossible. In this paper we present the application of a general automated evolutionary algorithm to solve the highly complex proton NMR spectrum of the 12-spin system pentane, a solute that interconverts rapidly among several symmetry-unrelated conformations. The interpretation of the spectral parameters that are obtained from the analysis requires the use of a model to connect relative orientational orders in symmetry-unrelated conformers.},
	keywords = {ALKYL CHAINS, AUTOMATED-ANALYSIS, evolutionary computation, HIGH-RESOLUTION NMR, liquid crystals, magnetic resonance, MOLECULAR-STRUCTURE, MULTIPLE-QUANTUM SPECTRA, NEMATIC LIQUID-CRYSTALS, ORDER, organic compounds, PROTON, SHAPE, SOLUTES, spectroscopy computing, STRATEGY},
	isbn = {0021-9606},
	url = {<Go to ISI>://000262965000028},
	author = {Meerts, W. L. and de Lange, C. A. and Weber, A. C. J. and Burnell, E. E.}
}
@article {3551,
	title = {STRUCTURAL FEATURES OF THE EPSILON-SUBUNIT OF THE ESCHERICHIA-COLI ATP SYNTHASE DETERMINED BY NMR-SPECTROSCOPY},
	journal = {Nature Structural Biology},
	volume = {2},
	number = {11},
	year = {1995},
	note = {ISI Document Delivery No.: TD554Times Cited: 128Cited Reference Count: 43},
	month = {Nov},
	pages = {961-967},
	type = {Article},
	abstract = {The tertiary fold of the epsilon subunit of the Escherichia coli F1F0 ATPsynthase (ECF(1)F(0)) has been determined by two- and three-dimensional heteronuclear (C-13, N-15) NMR spectroscopy. The epsilon subunit exhibits a distinct two domain structure, with the N-terminal 84 residues of the protein forming a 10-stranded beta-structure, and with the C-terminal 48 amino acids arranged as two alpha-helices running antiparallel to one another (two helix hairpin). The beta-domain folds as a beta-sandwich with a hydrophobic interior between the two layers of the sandwich. The C-terminal two-helix hairpin folds back to the N-terminal domain and interacts with one side of the beta-domain. The arrangement of the epsilon subunit in the intact F1F0 ATP synthase involves interaction of the two helix hairpin with the F-1 part, and binding of the open side of the beta-sandwich to the c subunits of the membrane-embedded F-0 part.},
	keywords = {AMINO-ACID-SEQUENCE, CRYOELECTRON MICROSCOPY, EXPRESSION, F1, H+-ATPASE, NUCLEOTIDE, PROTEINS, PROTON, RESOLUTION, TRANSLOCATING ADENOSINE-TRIPHOSPHATASE},
	isbn = {1072-8368},
	url = {<Go to ISI>://A1995TD55400013},
	author = {Wilkens, S. and Dahlquist, F. W. and McIntosh, L. P. and Donaldson, L. W. and Capaldi, R. A.}
}
@article {7238,
	title = {COHERENCE TRANSFER INVOLVING QUADRUPOLAR NUCLEI IN SOLIDS - AL-27-REVERSIBLE-ARROW-P-31 CROSS-POLARIZATION NMR IN THE MOLECULAR-SIEVE VPI-5},
	journal = {Journal of the American Chemical Society},
	volume = {114},
	number = {14},
	year = {1992},
	note = {ISI Document Delivery No.: JB980Times Cited: 57Cited Reference Count: 36},
	month = {Jul},
	pages = {5876-5878},
	type = {Note},
	keywords = {AL-27, ANGLE, ECHO DOUBLE-RESONANCE, HIGH-RESOLUTION NMR, MAGIC, MAGNETIC-RESONANCE, PROTON, SPECTROSCOPY},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1992JB98000069},
	author = {Fyfe, C. A. and Grondey, H. and Mueller, K. T. and Wongmoon, K. C. and Markus, T.}
}
