@article {2366,
	title = {Calorimetric studies of the interaction between the insulin-enhancing drug candidate bis(maltolato)oxovanadium(IV) (BMOV) and human serum apo-transferrin},
	journal = {Journal of Inorganic Biochemistry},
	volume = {103},
	number = {4},
	year = {2009},
	note = {ISI Document Delivery No.: 429EUTimes Cited: 8Cited Reference Count: 31Bordbar, Abdol-Khalegh Creagh, A. Louise Mohammadi, Fakhrossadat Haynes, Charles A. Orvig, Chris6th International Vanadium SymposiumJUL 17-19, 2008Lisbon, PORTUGALSp. Iss. SI},
	month = {Apr},
	pages = {643-647},
	type = {Proceedings Paper},
	abstract = {Bis(maltolato)oxovanadium(IV) (BMOV), and its ethylmaltol analog, bis(ethymaltolato)oxovanadium(IV) (BEOV), are candidate insulin-enhancing agents for the treatment of type 2 diabetes mellitus; in mid-2008, BEOV advanced to phase 11 clinical testing. The interactions of BMOV and its inorganic congener, vanadyl Sulfate (VOSO4), with human serum apo-transferrin (hTf) were investigated using differential scanning calorimetry (DSC). Addition of BMOV or VOSO4 to apo-hTf resulted in an increase in thermal stability of both the C- and N-lobes of transferrin as a result of binding to either vanadyl compound. A series of DSC thermograms of hTf Solutions containing different molar ratios of BMOV and VOSO4 were used to determine binding constants: at 25 degrees C the binding constants of BMOV to the C- and N-lobes of apo-hTf were found to be 3 (+/- 1) x 10(5) and 1.8 (+/- 0.7) x 10(5) M-1, respectively. The cot-responding values for VOSO4 were 1.7 (+/- 0.3) x 10(5) and 7 (+/- 2) x 10(4) M-1. The results show that the vanadium species initially presented as either BMOV or VOSO4 had similar affinities for human serum transferrin due to oxidation of solvated vanadyl(IV) prior to complexation to transferrin. Binding of metavanadate (VO3-) was confirmed by DSC and isothermal titration calorimetry (ITC) experiments of the interaction between sodium metavanadate (NaVO3) and hTf. (C) 2008 Elsevier Inc. All rights reserved.},
	keywords = {Apo-transferrin, BINDING, BIS(MALTOLATO)OXOVANADIUM(IV), CHEMISTRY, COMPLEXES, Insulin-enhancing, iron, MALTOL, MOLYBDENUM, NICKEL, RATS, STABILITY, VANADIUM},
	isbn = {0162-0134},
	url = {<Go to ISI>://000264904400022},
	author = {Bordbar, A. K. and Creagh, A. L. and Mohammadi, F. and Haynes, C. A. and Orvig, Chris}
}
@article {2690,
	title = {A triple-stranded helicate and mesocate from the same metal and ligand},
	journal = {Chemical Communications},
	number = {45},
	year = {2009},
	note = {ISI Document Delivery No.: 517VNTimes Cited: 4Cited Reference Count: 37Zhang, Zhan Dolphin, David},
	pages = {6931-6933},
	type = {Article},
	abstract = {A pair of triple-stranded helicates and mesocates were, for the first time, isolated from the same reaction of a novel alpha-free bis(dipyrromethene)ligand with either Co3+ or Fe3+.},
	keywords = {CHEMISTRY, cobalt(II), COMPLEXES, dipyrrins, DIPYRROMETHENE LIGANDS, INVERSION, iron, MECHANISM, STRUCTURAL-CHARACTERIZATION, TWIST},
	isbn = {1359-7345},
	url = {<Go to ISI>://000271647200007},
	author = {Zhang, Z. and Dolphin, D.}
}
@article {ISI:000227764700020,
	title = {Spectroscopy of non-heme iron thiolate complexes: insight into the electronic structure of the low-spin active site of nitrile hydratase.},
	journal = {Inorg. Chem.},
	volume = {44},
	number = {6},
	year = {2005},
	month = {mar},
	pages = {1826{\textendash}36},
	abstract = {Detailed spectroscopic and computational studies of the low-spin iron complexes [Fe(III)(S2(Me2)N3 (Pr,Pr))(N3)] (1) and [Fe(III)(S2(Me2)N3 (Pr,Pr))]1+ (2) were performed to investigate the unique electronic features of these species and their relation to the low-spin ferric active sites of nitrile hydratases. Low-temperature UV/vis/NIR and MCD spectra of 1 and 2 reflect electronic structures that are dominated by antibonding interactions of the Fe 3d manifold and the equatorial thiolate S 3p orbitals. The six-coordinate complex 1 exhibits a low-energy S(pi) {\textendash}> Fe 3d(xy) (approximately 13,000 cm(-1)) charge-transfer transition that results predominantly from the low energy of the singly occupied Fe 3d(xy) orbital, due to pure pi interactions between this acceptor orbital and both thiolate donor ligands in the equatorial plane. The 3d(pi) {\textendash}> 3d(sigma) ligand-field transitions in this species occur at higher energies (>15,000 cm(-1)), reflecting its near-octahedral symmetry. The Fe 3d(xz,yz) {\textendash}> Fe 3d(xy) (d(pi) {\textendash}> d(pi)) transition occurs in the near-IR and probes the Fe(III)-S pi-donor bond; this transition reveals vibronic structure that reflects the strength of this bond (nu(e) approximately 340 cm(-1)). In contrast, the ligand-field transitions of the five-coordinate complex 2 are generally at low energy, and the S(pi) {\textendash}> Fe charge-transfer transitions occur at much higher energies relative to those in 1. This reflects changes in thiolate bonding in the equatorial plane involving the Fe 3d(xy) and Fe 3d(x2-y2) orbitals. The spectroscopic data lead to a simple bonding model that focuses on the sigma and pi interactions between the ferric ion and the equatorial thiolate ligands, which depend on the S-Fe-S bond angle in each of the complexes. These electronic descriptions provide insight into the unusual S = 1/2 ground spin state of these complexes: the orientation of the thiolate ligands in these complexes restricts their pi-donor interactions to the equatorial plane and enforces a low-spin state. These anisotropic orbital considerations provide some intriguing insights into the possible electronic interactions at the active site of nitrile hydratases and form the foundation for further studies into these low-spin ferric enzymes.},
	keywords = {BINDING SITES, Computational Biology, ELECTROCHEMISTRY, Ferric Compounds, Ferric Compounds: chemical synthesis, Ferric Compounds: chemistry, Hydro-Lyases, Hydro-Lyases: chemistry, iron, Iron: chemistry, models, MOLECULAR, Molecular Conformation, molecular structure, PhD, SPECTROPHOTOMETRY, Sulfhydryl Compounds, Sulfhydryl Compounds: chemistry},
	issn = {0020-1669},
	doi = {10.1021/ic0487068},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/15762709},
	author = {Kennepohl, Pierre and Neese, Frank and Schweitzer, Dirk and Jackson, Henry L and Kovacs, Julie A and Solomon, Edward I}
}
@article {748,
	title = {Adsorption of BTSE and gamma-APS organosilanes on different microstructural regions of 2024-T3 aluminum alloy},
	journal = {Applied Surface Science},
	volume = {207},
	number = {1-4},
	year = {2003},
	note = {ISI Document Delivery No.: 655URTimes Cited: 30Cited Reference Count: 34},
	month = {Feb},
	pages = {40-50},
	type = {Article},
	abstract = {The adsorption of bis-1,2-(triethoxysilyl)ethane (BTSE) and gamma-aminopropyltriethoxysilane (gamma-APS) has been studied on 2024-T3 aluminum alloy samples using scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) spectroscopy. The thickness and coverage of the BTSE film formed on a mechanically polished sample was found to be strongly affected by the distribution of second-phase particles on the alloy surface. Specifically, although the adsorption occurs on the alloy matrix away from the particles, and on the particles themselves, the regions immediately surrounding the particles had less BTSE. The amounts of this adsorption on an air-oxidized sample is increased on average, although the coating is non-uniform with regions (similar to100 mum) of higher and lower coverages. There appears to be a competition between the silane deposition and etching of the underlying oxide film for the initially oxidized sample. The adsorption of gamma-APS is different with films of relatively even thickness formed over large areas of the polished sample; hydrogen bonding through the amino groups probably helps the distribution in this case. (C) 2002 Elsevier Science B.V. All rights reserved.},
	keywords = {aluminum alloy, DISSOLUTION, iron, metals, OXIDATION, PAINT ADHESION, PARTICLES, PITTING CORROSION, silane adsorption, SURFACE, surface microstructure},
	isbn = {0169-4332},
	url = {<Go to ISI>://000181571500007},
	author = {Susac, D. and Sun, X. and Mitchell, K. A. R.}
}
@article {724,
	title = {Characterization of copper-complexing ligands in seawater using immobilized copper(Il)-ion affinity chromatography and electrospray ionization mass spectrometry},
	journal = {Marine Chemistry},
	volume = {83},
	number = {1-2},
	year = {2003},
	note = {ISI Document Delivery No.: 743RZTimes Cited: 13Cited Reference Count: 44Ocean Sciences Meeting 2002FEB 11-15, 2002HONOLULU, HAWAII},
	month = {Oct},
	pages = {47-58},
	type = {Proceedings Paper},
	abstract = {Electrochemical studies show that copper and other bioactive trace metals are associated almost exclusively with dissolved organic ligands in surface seawater. Some of these ligands may be released by photosynthetic marine organisms to control metal uptake. However, new analytical approaches are needed to determine the chemical composition and ecological significance of these compounds. We have combined immobilized metal-ion affinity chromatography (IMAC) with electrospray ionization mass spectrometry (ESI-MS) to selectively extract and characterize copper-complexing ligands in seawater. Samples taken from British Columbia coastal waters were filtered through mixed cellulose membranes (0.45 mum) using nitrogen overpressure. Compounds with an affinity for copper were then extracted using Cu(II)-IMAC and eluted in acidified seawater. The eluant was monitored using UV absorption (255 nm), which showed that IMAC extracts from river and surface waters contained the highest concentrations of U-V-absorbing organic matter. Fractions were collected and analyzed by flow-injection (FI) negative ion ESI-MS using a custom made XAD-16 column, which gave 82\% recovery and a detection limit of 1.6 pmol for salicylic acid in acidified seawater. Low-molecular-weight compounds containing nitrogen were detected in the IMAC extracts of highest UV absorbance. These compounds followed an elution profile similar to the corresponding UV chromatogram. Measured masses of 265 and 259 Da are consistent with peptides containing, respectively, one thiol and two primary amino groups, characteristics associated with copper-complexing ligands detected in marine algal cultures and surface seawater using other methods. However, the absence of positive ions under experimental conditions suggests that the extracted compounds are predominantly acidic, and may therefore be hydroxamic acids or other nitrogen-containing compounds. The use of alternative resins and FI solvents to improve recovery, increase ionization efficiency, and permit structural (MS/MS) analysis of compounds extracted by IMAC is now being investigated. (C) 2003 Elsevier B.V All rights reserved.},
	keywords = {CHROMATOGRAPHY, COMPLEXATION, CU, DISSOLVED COPPER, electrospray ionization, ESTUARINE WATER, iron, LIGANDS, marine environment, MARINE-BACTERIA, MASS SPECTROMETRY, OCEAN, organic compounds, ORGANIC-LIGANDS, PHYTOPLANKTON, SPECIATION, stress},
	isbn = {0304-4203},
	url = {<Go to ISI>://000186588500006},
	author = {Ross, A. R. S. and Ikonomou, M. G. and Orians, K. J.}
}
@article {711,
	title = {Structural and magnetic properties of three copper(II) pyridine-2,3-dicarboxylate coordination polymers incorporating the same chain motif},
	journal = {Polyhedron},
	volume = {22},
	number = {22},
	year = {2003},
	note = {ISI Document Delivery No.: 729WCTimes Cited: 34Cited Reference Count: 12223rd ACS National MeetingAPR 07-11, 2003ORLANDO, FLORIDAACS},
	month = {Oct},
	pages = {3025-3035},
	type = {Proceedings Paper},
	abstract = {The complex [Cu(2,3-pydcH)(2)], (1), (2,3-pydcH(2) = 2,3-pyridinedicarboxylic acid) is a chain polymer. Two ligands occupy the equatorial plane of each tetragonally elongated octahedral Cu2+ coordination sphere, chelating through the pyridine nitrogen and one oxygen of the deprotonated 2-carboxylic acid group; the axial positions are occupied by long bonds to a 3-carboxylic acid oxygen of adjacent Cu(2,3-pydcH)(2) repeat units. This polymeric chain motif also appears in two heterometallic complexes incorporating the doubly deprotonated dicarboxylate ligand species 2,3-pydc; namely [Cu(2,3-pydc)(2)][Na-2(H2O)(6)(mu-H2O)(2)], (2), and [Cu(2,3-pydc(2)][Mn(H2O)(6)]center-dot2H(2)O, (3). In 2, the chains are cross-linked via a novel disodium cation [Na-2(H2O)(6)(mu-H2O)(2)](2+) to form a 2D sheet structure. In 3, the chains carry a formal 2- charge per copper centre, with charge neutrality achieved by the presence of isolated [Mn(H2O)(6)](2+) complex cations in the lattice. The structural and magnetic properties of these three species are compared. (C) 2003 Elsevier Ltd. All rights reserved.},
	keywords = {bridging ligands, chain polymers, iron, structural and magnetic properties, x-ray diffraction},
	isbn = {0277-5387},
	url = {<Go to ISI>://000185797200008},
	author = {Patrick, B. O. and Stevens, C. L. and Storr, A. and Thompson, R. C.}
}
@article {711,
	title = {Structural and magnetic properties of three copper(II) pyridine-2,3-dicarboxylate coordination polymers incorporating the same chain motif},
	journal = {Polyhedron},
	volume = {22},
	number = {22},
	year = {2003},
	note = {ISI Document Delivery No.: 729WCTimes Cited: 34Cited Reference Count: 12223rd ACS National MeetingAPR 07-11, 2003ORLANDO, FLORIDAACS},
	month = {Oct},
	pages = {3025-3035},
	type = {Proceedings Paper},
	abstract = {The complex [Cu(2,3-pydcH)(2)], (1), (2,3-pydcH(2) = 2,3-pyridinedicarboxylic acid) is a chain polymer. Two ligands occupy the equatorial plane of each tetragonally elongated octahedral Cu2+ coordination sphere, chelating through the pyridine nitrogen and one oxygen of the deprotonated 2-carboxylic acid group; the axial positions are occupied by long bonds to a 3-carboxylic acid oxygen of adjacent Cu(2,3-pydcH)(2) repeat units. This polymeric chain motif also appears in two heterometallic complexes incorporating the doubly deprotonated dicarboxylate ligand species 2,3-pydc; namely [Cu(2,3-pydc)(2)][Na-2(H2O)(6)(mu-H2O)(2)], (2), and [Cu(2,3-pydc(2)][Mn(H2O)(6)]center-dot2H(2)O, (3). In 2, the chains are cross-linked via a novel disodium cation [Na-2(H2O)(6)(mu-H2O)(2)](2+) to form a 2D sheet structure. In 3, the chains carry a formal 2- charge per copper centre, with charge neutrality achieved by the presence of isolated [Mn(H2O)(6)](2+) complex cations in the lattice. The structural and magnetic properties of these three species are compared. (C) 2003 Elsevier Ltd. All rights reserved.},
	keywords = {bridging ligands, chain polymers, iron, structural and magnetic properties, x-ray diffraction},
	isbn = {0277-5387},
	url = {<Go to ISI>://000185797200008},
	author = {Patrick, B. O. and Stevens, C. L. and Storr, A. and Thompson, R. C.}
}
@article {380,
	title = {Hydroboration of coordinated dinitrogen: A new reaction for the N-2 ligand that results in its functionalization and cleavage},
	journal = {Angewandte Chemie-International Edition},
	volume = {41},
	number = {19},
	year = {2002},
	note = {ISI Document Delivery No.: 604GZTimes Cited: 48Cited Reference Count: 30},
	pages = {3709-3712},
	type = {Article},
	keywords = {ACTIVATION, COMPLEX, DINITROGEN, END-ON, EXCHANGE, hydroboration, iron, MILD CONDITIONS, nitrides, NITROGEN, nitrogen fixation, REDUCTION, SIDE-ON, tantalum, TUNGSTEN},
	isbn = {1433-7851},
	url = {<Go to ISI>://000178609900046},
	author = {Fryzuk,Michael D. and MacKay, B. A. and Johnson, S. A. and Patrick, B. O.}
}
@article {330,
	title = {Plasmid DNA damage caused by methylated arsenicals, ascorbic acid and human liver ferritin},
	journal = {Toxicology Letters},
	volume = {133},
	number = {1},
	year = {2002},
	note = {ISI Document Delivery No.: 575QMTimes Cited: 46Cited Reference Count: 499th International Congress of ToxicologyJUL 08-12, 2001BRISBANE, AUSTRALIA},
	month = {Jul},
	pages = {47-57},
	type = {Proceedings Paper},
	abstract = {Both dimethylarsinic acid (DMA(V)) and dimethylarsinous acid (DMA(III)) release iron from human liver ferritin (HLF) with or without the presence of ascorbic acid. With ascorbic acid the rate of iron release from HLF by DMA(V) was intermediate (3.37 nM/min, P < 0.05) and by DMA(III) was much higher (16.3 nM/min, P < 0.001). No pBR322 plasmid DNA damage was observed from in vitro exposure to arsenate (iAs(V)), arsenite (iAs(III)), monomethylarsonic acid (MMA(V)), monomethylarsonous acid (MMA(III)) or DMA(V) alone. DNA damage was observed following DMA(III) exposure; coexposure to DMA(III) and HLF caused more DNA damage; considerably higher amounts of DNA damage was caused by coexposure of DMA(III), HLF and ascorbic acid. Diethylenetriaminepentaacetic acid (an iron chelator), significantly inhibited DNA damage. Addition of catalase (which can increase Fe2+ concentrations) further increased the plasmid DNA damage. Iron-dependent DNA damage could be a mechanism of action of human arsenic carcinogenesis. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.},
	keywords = {arsenic, BIOCHEMICAL PARAMETERS, CARCINOGENESIS, DIMETHYLARSINIC ACID, dimethylarsinous acid, DMA(111), DNA damage, ENDOTHELIAL-CELLS, human liver ferritin, INDUCTION, INORGANIC ARSENICS, iron, MICE, MONOMETHYLARSONOUS ACID, reactive oxygen, species, STRAND BREAKS},
	isbn = {0378-4274},
	url = {<Go to ISI>://000176959200005},
	author = {Ahmad, S. and Kitchin, K. T. and Cullen, W. R.}
}
@article {5172,
	title = {Complex magnetism of ferrous chains based on alternating FeN4 and FeS4 tetrahedra},
	journal = {Polyhedron},
	volume = {20},
	number = {11-14},
	year = {2001},
	note = {ISI Document Delivery No.: 451LWTimes Cited: 1Cited Reference Count: 167th International Conference on Molecule-Base Magnets (ICMM 2000)SEP 16-21, 2000SAN ANTONIO, TEXAS},
	month = {May},
	pages = {1243-1246},
	type = {Proceedings Paper},
	abstract = {A combination of nuclear gamma resonance (Mossbauer effect) spectroscopy and ac susceptometry are used to characterize polybis(1-methyl-2-thioimidazolate)iron(II), [Fe(1-Me-2-S-imid)2]0.5Fe(Cp)(2) (hereafter I). An alternative explanation for the I{\textquoteright}s weak ferromagnetic ground stale, namely the alternation of g values along the polymer chain, is qualitatively considered in the light of the ngr results, in particular the temperature dependence and limiting values of the quadrupole splittings of the paramagnetic tetrahedral ferrous sites of this system. (C) 2001 Elsevier Science Ltd. All rights reserved.},
	keywords = {ac-susceptometry, g-factor alternation, iron, iron(II) thioimidazolate, MOSSBAUER, Mossbauer spectroscopy, RUBREDOXIN, SERIES, STATE, weak ferromagnetism},
	isbn = {0277-5387},
	url = {<Go to ISI>://000169804400020},
	author = {Reiff, W. M. and Sanchez, V. and Thompson, R. C. and Storr, A.}
}
@article {5172,
	title = {Complex magnetism of ferrous chains based on alternating FeN4 and FeS4 tetrahedra},
	journal = {Polyhedron},
	volume = {20},
	number = {11-14},
	year = {2001},
	note = {ISI Document Delivery No.: 451LWTimes Cited: 1Cited Reference Count: 167th International Conference on Molecule-Base Magnets (ICMM 2000)SEP 16-21, 2000SAN ANTONIO, TEXAS},
	month = {May},
	pages = {1243-1246},
	type = {Proceedings Paper},
	abstract = {A combination of nuclear gamma resonance (Mossbauer effect) spectroscopy and ac susceptometry are used to characterize polybis(1-methyl-2-thioimidazolate)iron(II), [Fe(1-Me-2-S-imid)2]0.5Fe(Cp)(2) (hereafter I). An alternative explanation for the I{\textquoteright}s weak ferromagnetic ground stale, namely the alternation of g values along the polymer chain, is qualitatively considered in the light of the ngr results, in particular the temperature dependence and limiting values of the quadrupole splittings of the paramagnetic tetrahedral ferrous sites of this system. (C) 2001 Elsevier Science Ltd. All rights reserved.},
	keywords = {ac-susceptometry, g-factor alternation, iron, iron(II) thioimidazolate, MOSSBAUER, Mossbauer spectroscopy, RUBREDOXIN, SERIES, STATE, weak ferromagnetism},
	isbn = {0277-5387},
	url = {<Go to ISI>://000169804400020},
	author = {Reiff, W. M. and Sanchez, V. and Thompson, R. C. and Storr, A.}
}
@article {4717,
	title = {Arsenic species that cause release of iron from ferritin and generation of activated oxygen},
	journal = {Archives of Biochemistry and Biophysics},
	volume = {382},
	number = {2},
	year = {2000},
	note = {ISI Document Delivery No.: 367PNTimes Cited: 90Cited Reference Count: 61},
	month = {Oct},
	pages = {195-202},
	type = {Article},
	abstract = {The in vitro effects of four different species of arsenic (arsenate, arsenite, monomethylarsonic acid, and dimethylarsinic acid) in mobilizing iron from horse spleen ferritin under aerobic and anaerobic conditions were investigated. Dimethylarsinic acid (DMA((V))) and dimethylarsinous acid (DMA((III))) significantly released iron from horse spleen ferritin either with or without the presence of ascorbic acid, a strong synergistic agent. Ascorbic acid-mediated iron release was time-dependent as well as both (DMA((III))) and ferritin concentration-dependent. Iron release from ferritin by DMA((III)) alone or with ascorbic acid was not significantly inhibited by superoxide dismutase (150 or 300 units/ml). However, the iron release was greater under anaerobic conditions (nitrogen gas), which indicates direct chemical reduction of iron from ferritin by DMA((III)), with or without ascorbic acid. Both DMA((V)) and DMA((III)) released iron from both horse spleen and human liver ferritin. Further, the release of ferritin-iron by DMA((III)) with ascorbic acid catalyzed bleomycin-dependent degradation of calf thymus DNA. These results indicate that exogenous methylated arsenic species and endogenous ascorbic acid can cause (a) the release of iron from ferritin, (b) the iron-dependent formation of reactive oxygen species, and (c) DNA damage. This reactive oxygen species pathway could be a mechanism of action of arsenic carcinogenesis in man. (C) 2000 Academic Press.},
	keywords = {arsenic, ascorbic acid, BIOCHEMICAL PARAMETERS, DAMAGE, DIMETHYLARSINIC ACID, DNA-DAMAGE, ferritin, FREE-RADICALS, INORGANIC ARSENICS, iron, LIPID-PEROXIDATION, MAIN METABOLITE, OXIDATIVE, oxygen species, REACTIVE, reactive oxygen, VITAMIN-C},
	isbn = {0003-9861},
	url = {<Go to ISI>://000090070800005},
	author = {Ahmad, S. and Kitchin, K. T. and Cullen, W. R.}
}
@article {4921,
	title = {Characterization of dissolved tannins and their metal-ion complexes by electrospray ionization mass spectrometry},
	journal = {Analytica Chimica Acta},
	volume = {411},
	number = {1-2},
	year = {2000},
	note = {ISI Document Delivery No.: 305EYTimes Cited: 25Cited Reference Count: 51},
	month = {May},
	pages = {91-102},
	type = {Article},
	abstract = {Electrospray mass spectrometry was used to characterize metal-complexing ligands derived from tannic acid, a component of natural dissolved organic matter. Complexes formed by tannin ligands with copper and other biogeochemically important metals were identified from the mass-to-charge ratios of the corresponding deprotonated molecular ions, allowing stoichiometry and metal oxidation state to be determined. Ligand ion intensities were proportional to tannic acid concentration, with detection limits on the order of 5 nM for individual compounds in 50:50 water/acetonitrile. The relative abundance of free ligand and complex ions indicated the degree of complexation under different solution conditions (metal concentration, pH, ionic strength). Using tandem mass spectrometry, the structure and principal copper binding site for one of the tannins were also determined, providing unique information with regard to metal complexation by these polyfunctional ligands. The technique can be combined with high performance liquid chromatography for on-line separation of dissolved organic compounds. Results demonstrate the potential of this approach for characterizing the different classes of metal-complexing ligands found in natural waters. (C) 2000 Elsevier Science B.V. All rights reserved.},
	keywords = {AFFINITY-CHROMATOGRAPHY, CHROMATOGRAPHY, COMPLEXATION, copper, electrospray ionization, high performance liquid, iron, LIGANDS, MASS SPECTROMETRY, metal-ion complexes, NATURAL ORGANIC-LIGANDS, ORGANIC, PERFORMANCE, PROTEINS, REGIOSELECTIVE MONO-OXIDATION, SPECIATION, STOICHIOMETRY, tannins, TOXICITY, trace metals},
	isbn = {0003-2670},
	url = {<Go to ISI>://000086527500011},
	author = {Ross, A. R. S. and Ikonomou, M. G. and Orians, K. J.}
}
@article {4566,
	title = {The biomimetic oxidation of dieldrin using polyhalogenated metalloporphyrins},
	journal = {Chemical Communications},
	number = {7},
	year = {1999},
	note = {ISI Document Delivery No.: 184WETimes Cited: 7Cited Reference Count: 16},
	month = {Apr},
	pages = {629-630},
	type = {Article},
	abstract = {Biomimetic oxidation of dieldrin produces the same metabolites as generated in vivo, which suggest a {\textquoteright}radical oxygen-rebound{\textquoteright} mechanism.},
	keywords = {HYDROXYLATION, iron},
	isbn = {1359-7345},
	url = {<Go to ISI>://000079636100030},
	author = {Hino, F. and Dolphin, D.}
}
@article {4680,
	title = {Gas phase ion molecule chemistry of tetracarbonyl (eta(5)-cyclopentadienyl) vanadium by Fourier transform ion cyclotron resonance},
	journal = {International Journal of Mass Spectrometry},
	volume = {182},
	year = {1999},
	note = {ISI Document Delivery No.: 171QJTimes Cited: 1Cited Reference Count: 36},
	month = {Mar},
	pages = {139-148},
	type = {Article},
	abstract = {The kinetics of the reactions between the CpV(CO)(4) molecule and its fragment cations and anions have been examined using Fourier transform ion cyclotron resonance (FTICR) techniques. With 25 eV electron impact ionization the fragment cations V+ and CpV(CO)(n=0-4)(+) react principally by charge exchange or by condensation with the parent neutral molecule. Rate constants for these pathways have been determined along with kinetic evidence for the existence of excited state cations. Some of the product cations show unexpected stability despite their large formal electron deficiency. Exchange of carbonyl ligands was also observed. Under 2.5 eV electron impact, only two anions are produced: CpV(CO)(n=2,3)(-), both of which are unreactive with the parent neutral. (C) 1999 Elsevier Science B.V.},
	keywords = {BOND-DISSOCIATION ENERGIES, CARBONYL CLUSTER FRAGMENTS, carbonyl ligands, FE(CO)5, Fourier transform ion cyclotron resonance mass, gas phase ion chemistry, iron, METAL BONDS, MN+, PENTACARBONYL, REACTIVITY, SPECTROMETRY, STATE, SYSTEMS, V+},
	isbn = {1387-3806},
	url = {<Go to ISI>://000078874700015},
	author = {Taylor, S. M. and Comisarow, M. B.}
}
@article {4641,
	title = {Iron(II) 2-methylimidazolate and copper(II) 1,2,4-triazolate complexes: systems exhibiting long-range ferromagnetic ordering at low temperatures},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {77},
	number = {4},
	year = {1999},
	note = {ISI Document Delivery No.: 204JXTimes Cited: 17Cited Reference Count: 27},
	month = {Apr},
	pages = {425-433},
	type = {Article},
	abstract = {{Crystals of [Fe(2-methylimidazolate)(2). 0.13(FeCp2)](x), 1, are orthorhombic},
	keywords = {1, 2, 2-methylimidazolate, 3, 4-triazolate, 5-DIMETHYLPYRAZOLATE, BR, canted spins, CH3, COMPLEXES, copper, CRYSTAL, ferromagnets, iron, LIGANDS, MAGNETIC-PROPERTIES, METAL PYRAZOLATE POLYMERS, METALLOCENES},
	isbn = {0008-4042},
	url = {<Go to ISI>://000080762100003},
	author = {Rettig, S. J. and Storr, A. and Summers, D. A. and Thompson, R. C. and Trotter, J.}
}
@article {4641,
	title = {Iron(II) 2-methylimidazolate and copper(II) 1,2,4-triazolate complexes: systems exhibiting long-range ferromagnetic ordering at low temperatures},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {77},
	number = {4},
	year = {1999},
	note = {ISI Document Delivery No.: 204JXTimes Cited: 17Cited Reference Count: 27},
	month = {Apr},
	pages = {425-433},
	type = {Article},
	abstract = {{Crystals of [Fe(2-methylimidazolate)(2). 0.13(FeCp2)](x), 1, are orthorhombic},
	keywords = {1, 2, 2-methylimidazolate, 3, 4-triazolate, 5-DIMETHYLPYRAZOLATE, BR, canted spins, CH3, COMPLEXES, copper, CRYSTAL, ferromagnets, iron, LIGANDS, MAGNETIC-PROPERTIES, METAL PYRAZOLATE POLYMERS, METALLOCENES},
	isbn = {0008-4042},
	url = {<Go to ISI>://000080762100003},
	author = {Rettig, S. J. and Storr, A. and Summers, D. A. and Thompson, R. C. and Trotter, J.}
}
@article {4641,
	title = {Iron(II) 2-methylimidazolate and copper(II) 1,2,4-triazolate complexes: systems exhibiting long-range ferromagnetic ordering at low temperatures},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {77},
	number = {4},
	year = {1999},
	note = {ISI Document Delivery No.: 204JXTimes Cited: 17Cited Reference Count: 27},
	month = {Apr},
	pages = {425-433},
	type = {Article},
	abstract = {{Crystals of [Fe(2-methylimidazolate)(2). 0.13(FeCp2)](x), 1, are orthorhombic},
	keywords = {1, 2, 2-methylimidazolate, 3, 4-triazolate, 5-DIMETHYLPYRAZOLATE, BR, canted spins, CH3, COMPLEXES, copper, CRYSTAL, ferromagnets, iron, LIGANDS, MAGNETIC-PROPERTIES, METAL PYRAZOLATE POLYMERS, METALLOCENES},
	isbn = {0008-4042},
	url = {<Go to ISI>://000080762100003},
	author = {Rettig, S. J. and Storr, A. and Summers, D. A. and Thompson, R. C. and Trotter, J.}
}
@article {4199,
	title = {Active oxygen species formation in synaptosomes exposed to an aluminum chelator},
	journal = {Neurotoxicology and Teratology},
	volume = {20},
	number = {3},
	year = {1998},
	note = {ISI Document Delivery No.: ZU241Times Cited: 4Cited Reference Count: 37},
	month = {May-Jun},
	pages = {317-320},
	type = {Article},
	abstract = {This study evaluates the potential of two chelators, 1,2-dimethyl-3-hydroxypyridine-4-one (Hdpp) and 1-n-butyl-2-methyl-3-hydroxypyridin-4-one (Hnbp), to modulate cerebral rates of free radical production. The fluorometric assay for 2{\textquoteright},7{\textquoteright}-dichlorofluorescein, which is formed by oxidation of a nonfluorescent precursor (2{\textquoteright},7{\textquoteright}-dichlorofluorescin diacetate), was used to assay reactive oxygen species (ROS) production. The chelator Hdpp alone and the aluminum complexes of each chelator, Al(dpp)(3) and Al(nbp)(3), all inhibited basal rates of generation of ROS within a rat cerebral synaptosomal fraction. In the presence of an iron salt (1 mu M FeSO4), a major enhancement of syn aptosomal ROS formation was apparent. However, with the addition of an equimolar concentration of Hdpp, Al(dpp)(3), or Al(nbp)(3), this stimulation was completely abolished. The N-substituted-3-hydroxy-4-pyridinones have been proposed to be of clinical utility for the removal of iron or aluminum from tissues. The clinical potential of this class of chelator may be enhanced by their ability to inhibit iron-related oxidative events. (C) 1998 Elsevier Science Inc.},
	keywords = {3-HYDROXY-4-PYRIDINONES, aluminum, ALZHEIMERS-DISEASE, CHELATOR, COMPLEXES, DEFEROXAMINE, DESFERRIOXAMINE, Free Radicals, hydroxypyridinones, iron, LIPID-PEROXIDATION, metal chelation, NEUROFIBRILLARY TANGLES, QUANTITATION, RATS, reactive oxygen species},
	isbn = {0892-0362},
	url = {<Go to ISI>://000074176500011},
	author = {Bondy, S. C. and Tseng, H. and Orvig, Chris}
}
@article {3705,
	title = {Substitution reaction mechanisms of dihydrido-ruthenium(II) phosphine complexes: Hydride basicity and molecular hydrogen intermediates},
	journal = {Inorganica Chimica Acta},
	volume = {250},
	number = {1-2},
	year = {1996},
	note = {ISI Document Delivery No.: VV296Times Cited: 8Cited Reference Count: 43},
	month = {Sep},
	pages = {351-357},
	type = {Article},
	abstract = {{Kinetic and activation parameter data for the reactions of cct-Ru(H)(2)(CO)(2)(PPh(3))(2) (1) (cct = cis, cis, trans) in THF with thiols, CO and PPh(3) to give cct-RuH(SR)(CO)(2)(PPh(3))(2), Ru(CO)(3)(PPh(3))(2) and Ru(CO)(2)(PPh(3))(2), respectively, reveal a common, rate-determining step, the initial dissociation of H-2 from 1; the activated complex probably resembles the corresponding Ru(eta(2)-H-2) species. Reaction of Ru(H)(2)(dppm)(2) (2) (as a cis/trans mixture},
	keywords = {ACIDITY, CATALYSIS, dihydrogen complexes, ETA-2-DIHYDROGEN COMPLEXES, hydride complexes, HYDRODESULFURIZATION, iron, kinetics and mechanism, MERCAPTO, molecular hydrogen complexes, ruthenium, ruthenium complexes, SPECTRA, sulfide},
	isbn = {0020-1693},
	url = {<Go to ISI>://A1996VV29600040},
	author = {Jessop, P. G. and Rastar, G. and James, Brian R.}
}
@article {3223,
	title = {EVIDENCE FOR ENERGY-DEPENDENT TRANSPORT OF ALUMINUM OUT OF BRAIN EXTRACELLULAR FLUID},
	journal = {Toxicology},
	volume = {98},
	number = {1-3},
	year = {1995},
	note = {ISI Document Delivery No.: QX943Times Cited: 22Cited Reference Count: 36},
	month = {Apr},
	pages = {31-39},
	type = {Article},
	abstract = {Aluminum (Al) can cause CNS toxicity. The mechanism of its blood-brain barrier (BBB) permeation is poorly understood. In this study, microdialysis was used to determine extracellular fluid (ECF) unbound aluminum distribution between frontal cortex (FC) and blood during steady-state aluminum concentrations. The brain/blood aluminum ratio was determined. Over a 16-fold range of aluminum concentrations (dosed as aluminum citrate), brain/blood aluminum ratios were 0.10-0.15, consistently and significantly <1. Aluminum diffusion cannot account for these results, suggesting the presence of a carrier that moves aluminum out of brain extracellular fluid. These aluminum brain/blood ratios (BBRs) were not significantly different over the range of concentrations studied, suggesting an inability to saturate the carrier. Brain/blood aluminum ratios obtained with four aluminum-hydroxypyridinones were also significantly <1 (0.1-0.3), and were generally significantly different among themselves and from the aluminum citrate BBR. Movement of a BBB permeability marker from blood into brain extracellular fluid suggested partial BBB opening. The aluminum BBRs obtained (all much less than 1), in the presence of a partially opened BBR, suggest an efficient carrier moving aluminum out of brain ECF. Addition of cyanide to the brain microdialysis probe solution significantly increased the Al (citrate) BBR to 1, These results suggest the presence of an efficient, energy-dependent carrier that removes aluminum from brain ECF, either into brain cells or blood.},
	keywords = {aluminum, ANTIPYRINE, BARRIER, BLOOD, BLOOD-BRAIN BARRIER, CHELATORS INVITRO, COMPLEXES, ENERGY-DEPENDENT ACTIVE TRANSPORT, INVIVO MICRODIALYSIS, iron, MICRODIALYSIS, MOBILIZATION, permeability, TRANSFERRIN},
	isbn = {0300-483X},
	url = {<Go to ISI>://A1995QX94300004},
	author = {Allen, D. D. and Orvig, Chris and Yokel, R. A.}
}
@article {3264,
	title = {THE ONE-STEP SYNTHESIS OF CHIRAL AMINO PHOSPHINO FERROCENES},
	journal = {Journal of Organometallic Chemistry},
	volume = {492},
	number = {2},
	year = {1995},
	note = {ISI Document Delivery No.: QV350Times Cited: 10Cited Reference Count: 24},
	month = {May},
	pages = {157-164},
	type = {Article},
	abstract = {Reaction of the chiral lithium reagent-2-lithio-(alpha-N,N-dimethyl)aminoethylbenzene with 1,1{\textquoteright}-ferrocenediylphenylphosphine gives chiral aminophosphinoferrocenes that contain both chiral carbon and phosphorus centres. Treatment of the ferroceno-phane with 2-lithio-N,N-dimethylaminomethylferrocene followed by hydrolysis gives the product ferrocenyl 2-(dimethylaminomethylferrocenyl) phenylphosphine as a pair of diastereomers. The single crystal structures of compound 3a PdCl2 and compound 4. PdCl2.2CH(2)Cl(2) have been determined. The compounds, 2-(ferrocenylphenylphosphino)-1-(alpha-N, N{\textquoteright}-dimethylaminoethylbenzene)ferrocene, 5 and 1-[2-(alpha-N,N{\textquoteright}-dimethyraminoethylbenzene)phenylphospphino]-1{\textquoteright}-diphenyl phosphinoferrocene, 6a, have also been prepared by minor modifications of the methodology developed.},
	keywords = {<1>FERROCENOPHANES, ASYMMETRIC-SYNTHESIS, CATALYST, chirality, crystal structure, FERROCENE, GRIGNARD, HALIDES, HYDROGENATION, iron, METAL-COMPLEXES, ORGANIC, palladium, PHOSPHORUS, PLANAR CHIRALITY, REAGENTS, SECONDARY},
	isbn = {0022-328X},
	url = {<Go to ISI>://A1995QV35000005},
	author = {Butler, I. R. and Cullen, W. R. and Rettig, S. J. and White, A. S. C.}
}
@article {7273,
	title = {GENERAL-METHOD FOR THE SYNTHESIS OF TRISHYDROXAMIC ACIDS},
	journal = {Tetrahedron Letters},
	volume = {33},
	number = {14},
	year = {1992},
	note = {ISI Document Delivery No.: HM426Times Cited: 11Cited Reference Count: 19},
	month = {Mar},
	pages = {1827-1830},
	type = {Article},
	abstract = {Triscarboxylic acids, when treated with hydroxylamines in the presence of water-soluble carbodiimide in THF-H2O, at pH approximately 4.8, yield the corresponding trishydroxamic acids in good yields.},
	keywords = {AGENTS, iron, SIDEROPHORES, TRIHYDROXAMATE ANALOGS},
	isbn = {0040-4039},
	url = {<Go to ISI>://A1992HM42600006},
	author = {Karunaratne, V. and Hoveyda, H. R. and Orvig, Chris}
}
@article {7398,
	title = {PHYSICAL AND STRUCTURAL STUDIES OF N-CARBOXYMETHYL-3-HYDROXY-2-METHYL-4-PYRIDINONE AND N-(PARA-METHOXYPHENYL)-3-HYDROXY-2-METHYL-4-PYRIDINONE},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {70},
	number = {3},
	year = {1992},
	note = {ISI Document Delivery No.: JD670Times Cited: 15Cited Reference Count: 40},
	month = {Mar},
	pages = {763-770},
	type = {Article},
	abstract = {{3-Hydroxy-1-carboxymethyl-2-methyl-4-pyridinone (Hcmp) and 3-hydroxy-1-(p-methoxyphenyl)-2-methyl-4-pyridine (Hpap) have been prepared and studied by single crystal X-ray diffraction. Crystals of Hcmp are monoclinic},
	keywords = {2-DIMETHYL-3-HYDROXYPYRID-4-ONE L1, 3-HYDROXY-4-PYRIDINONE, 3-HYDROXY-4-PYRIDINONES, aluminum, CHELATOR 1, COMPLEXES, CONSTANT, CRYSTALLOGRAPHY, gallium, hydrogen bonding, indium, iron, LONG-TERM TRIAL, protonation, solid state, zwitterion},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1992JD67000010},
	author = {Zhang, Z. H. and Rettig, S. J. and Orvig, Chris}
}
