Search Results - "Hedman, B."
-
1
Ligand K-edge X-ray absorption spectroscopy: covalency of ligand–metal bonds
Published in Coordination Chemistry Reviews (01-01-2005)“…The ligand K-edge probes the ligand 1s → valence np transitions. These transitions acquire intensity when the ligand is bound to an open shell metal ion. This…”
Get full text
Book Review Journal Article -
2
Ligand K-Edge X-ray Absorption Spectroscopy: A Direct Probe of Ligand−Metal Covalency
Published in Accounts of chemical research (01-12-2000)“…Ligand K-edge X-ray absorption spectroscopy (XAS) is a new experimental probe of the covalency of a metal−ligand bond. The intensity of the ligand pre-edge…”
Get full text
Journal Article -
3
IR and EXAFS Spectroscopic Studies of Glyphosate Protonation and Copper(II) Complexes of Glyphosate in Aqueous Solution
Published in Inorganic chemistry (13-08-2001)“…The varying degrees of protonation of N-(phosphonomethyl)glycine (PMG, glyphosate) were investigated with infrared (IR) spectroscopy and ab initio frequency…”
Get full text
Journal Article -
4
-
5
Structural Insights into a Protein-Bound Iron-Molybdenum Cofactor Precursor
Published in Proceedings of the National Academy of Sciences - PNAS (31-01-2006)“…The iron-molybdenum cofactor (FeMoco) of the nitrogenase MoFe protein is a highly complex metallocluster that provides the catalytically essential site for…”
Get full text
Journal Article -
6
Neurophysiological evaluation of segmental motor neuron function of the thoracic cord in chronic SCI
Published in Spinal cord (01-04-2012)“…Study design: Pilot study. Objectives: The aim of the study was to develop a neurophysiological method to diagnose the cranial as well as the caudal level of a…”
Get full text
Journal Article -
7
Spectroscopic and Density Functional Studies of the Red Copper Site in Nitrosocyanin: Role of the Protein in Determining Active Site Geometric and Electronic Structure
Published in Journal of the American Chemical Society (16-03-2005)“…The electronic structure of the red copper site in nitrosocyanin is defined relative to that of the well understood blue copper site of plastocyanin by using…”
Get full text
Journal Article -
8
A Palladium-Oxo Complex. Stabilization of This Proposed Catalytic Intermediate by an Encapsulating Polytungstate Ligand
Published in Journal of the American Chemical Society (31-08-2005)“…A terminal Pd-oxo unit is reported. The unit is encapsulated in a cavity defined by two [A-α-PW9O34]9- units fused together by one [WO(OH2)]4+ center and forms…”
Get full text
Journal Article -
9
A Quantitative Description of the Ground-State Wave Function of CuA by X-ray Absorption Spectroscopy: Comparison to Plastocyanin and Relevance to Electron Transfer
Published in Journal of the American Chemical Society (20-06-2001)“…To evaluate the importance of the electronic structure of CuA to its electron-transfer (ET) function, a quantitative description of the ground-state wave…”
Get full text
Journal Article -
10
Spectroscopic and Electronic Structural Studies of Blue Copper Model Complexes. 2. Comparison of Three- and Four-Coordinate Cu(II)−Thiolate Complexes and Fungal Laccase
Published in Journal of the American Chemical Society (29-11-2000)“…To evaluate the importance of the axial ligand in blue Cu centers, the electronic structure of a three-coordinate model compound LCuSCPh3 (2, L =…”
Get full text
Journal Article -
11
S K-edge X-ray Absorption Studies of Tetranuclear Iron−Sulfur Clusters: μ-Sulfide Bonding and Its Contribution to Electron Delocalization
Published in Journal of the American Chemical Society (24-01-2001)“…X-ray absorption spectroscopy (XAS) at the sulfur (∼2470 eV) and chlorine (∼2822 eV) K-edges has been applied to a series of 4Fe−4S model complexes. These are…”
Get full text
Journal Article -
12
IgE‐sensitization to predatory mites and respiratory symptoms in Swedish greenhouse workers
Published in Allergy (Copenhagen) (01-04-2005)“…Background: Predatory mites are used as biological pesticides worldwide for control of spider mites and other pests in greenhouses. The aim of this study was…”
Get full text
Journal Article -
13
Spectroscopic and Electronic Structural Studies of Blue Copper Model Complexes. 1. Perturbation of the Thiolate−Cu Bond
Published in Journal of the American Chemical Society (29-11-2000)“…A tris(pyrazolyl)hydroborate triphenylmethylthiolate Cu(II) model complex (1) that reproduces structural and spectroscopic features of active sites of blue Cu…”
Get full text
Journal Article -
14
X-ray Absorption Spectroscopic Investigation of the Spin-Transition Character in a Series of Single-Site Perturbed Iron(II) Complexes
Published in Inorganic chemistry (07-03-2005)“…Select ferrous spin-transition complexes with the pentadentate ligand 2,6-bis(bis(2-pyridyl)methoxymethane)pyridine (PY5) were examined using…”
Get full text
Journal Article -
15
Electronic Structure of the Perturbed Blue Copper Site in Nitrite Reductase: Spectroscopic Properties, Bonding, and Implications for the Entatic/Rack State
Published in Journal of the American Chemical Society (21-08-1996)“…Low-temperature optical absorption, circular dichroism, magnetic circular dichroism, and sulfur K-edge X-ray absorption spectra have been measured for the…”
Get full text
Journal Article -
16
Sulfur K-Edge X-ray Absorption Spectroscopy of 2Fe−2S Ferredoxin: Covalency of the Oxidized and Reduced 2Fe Forms and Comparison to Model Complexes
Published in Journal of the American Chemical Society (13-06-2001)“…Ligand K-edge X-ray absorption spectroscopy (XAS) provides a direct experimental probe of ligand−metal bonding. In previous studies, this method has been…”
Get full text
Journal Article -
17
Ligand K-edge x-ray absorption spectroscopic studies: metal-ligand covalency in a series of transition metal tetrachlorides
Published in Journal of the American Chemical Society (01-03-1995)“…Ligand K-edge X-ray absorption spectroscopy has been shown to be a powerful tool in the study of the electronic structure of ligand-metal interactions in open…”
Get full text
Journal Article -
18
Ligand K-Edge and Metal L-Edge X-ray Absorption Spectroscopy and Density Functional Calculations of Oxomolybdenum Complexes with Thiolate and Related Ligands: Implications for Sulfite Oxidase
Published in Journal of the American Chemical Society (03-11-1999)“…X-ray absorption spectra have been measured at the S K-, Cl K-, and Mo L3- and L2-edges for the d0 dioxomolybdenum(VI) complexes LMoO2(SCH2Ph), LMoO2Cl, and…”
Get full text
Journal Article -
19
X-ray absorption spectroscopic studies of the blue copper site: metal and ligand K-edge studies to probe the origin of the EPR hyperfine splitting in plastocyanin
Published in Journal of the American Chemical Society (01-01-1993)“…X-ray absorption spectra for the oxidized blue copper protein plastocyanin and several Cu(II) model complexes have been measured at both the Cu K-edge and the…”
Get full text
Journal Article -
20
Cu K-Edge XAS Study of the [Cu2(μ-O)2] Core: Direct Experimental Evidence for the Presence of Cu(III)
Published in Journal of the American Chemical Society (10-09-1997)Get full text
Journal Article