289 results on '"Papaefthymiou, G."'
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102. Synthetic analogs of the 4-Fe active sites of reduced ferredoxins. Electronic properties of the tetranuclear trianions [Fe4S4(SR)4]3- and the structure of [(C2H5)3(CH3)N]3[Fe4S4(SC6H5)4]
103. ChemInform Abstract: Demonstration of Alternative Spin States in Clusters Containing the Biologically Relevant (Fe4S4)+ Core.
104. Comparative electronic properties of vanadium-iron-sulfur and molybdenum-iron-sulfur clusters containing isoelectronic cubane-type [VFe3S4]2+ and [MoFe3S4]3+ cores
105. Demonstration of alternative spin states in clusters containing the biologically relevant [Fe4S4]1+ core
106. Observation of Substitutional Site Preference in a Quasicrystal and Implication on Local Structure
107. ChemInform Abstract: EFFECTS OF SECONDARY BONDING INTERACTIONS ON THE IRON‐SULFUR CUBANE‐TYPE (FE4S4)2+ CORE OF FERREDOXIN SITE ANALOGS: (FE4S4(SC6H4‐O‐OH)4)2‐, A DISTORTED CUBANE‐TYPE CLUSTER WITH ONE FIVE‐COORDINATE IRON ATOM
108. Synthesis and electronic properties of the tetranuclear trianions [Fe4S4(SR)4]3-, analogs of the 4-Fe active sites of reduced ferrodoxins
109. Magnetic phase transition, aggregate formation, and electrical conductivity in FeCl3-doped polyacetylene
110. ChemInform Abstract: DEMONSTRATION OF THE GENERALITY OF THE (FE4S4(SR)4)2- (COMPRESSED D2D)/(FE4S4(SR)4)3- (ELONGATED D2D) STRUCTURAL CHANGE IN ELECTRON-TRANSFER REACTIONS OF FERREDOXIN 4-FE SITE ANALOGS. A MODEL FOR UNCONSTRAINED STRUCTURAL CHANGES IN FE
111. Protein coats of ferritin can sequester large amounts of ferrous iron
112. ChemInform Abstract: ELECTRONIC PROPERTIES OF SINGLE‐ AND DOUBLE‐MOFE3S4 CUBANE‐TYPE CLUSTERS
113. Alternative spin states in synthetic analogs of biological clusters: spin-quartet ground states and structures of tetrakis(benzenethiolato)tetrasulfidotetraferrate(3-) and tetrakis(benzenethiolato)tetraselenidotetraferrate(3-) as their tetramethylammonium salts
114. ChemInform Abstract: ELECTRONIC PROPERTIES OF THE LINEAR ANTIFERROMAGNETICALLY COUPLED CLUSTERS (FE3S4(SR)4)3‐, STRUCTURAL ISOMERS OF THE IRON‐SULFUR(1+) ((FE3S4)1+) UNIT IN IRON‐SULFUR PROTEINS
115. ChemInform Abstract: ASSEMBLY AND CHARACTERIZATION OF AN ACCURATE MODEL FOR THE DIIRON CENTER IN HEMERYTHRIN
116. Computertomographische und myelographische Befunde nach lumbalen Bandscheibenoperationen
117. ChemInform Abstract: Ground Spin State Variability in (Fe4S4(SR)4)3-. Synthetic Analogues of the Reduced Clusters in Ferredoxins and Other Iron-Sulfur Proteins: Cases of Extreme Sensitivity of Electronic State and Structure to Extrinsic Factors.
118. ChemInform Abstract: SYNTHETIC ANALOGS OF THE ACTIVE SITES OF IRON-SULFUR PROTEINS. 14. SYNTHESIS, , PROPERTIES, AND STRUCTURES OF BIS(O-XYLYL-α,α′-DITHIOLATO)FERRATE(II,III) ANIONS, ANALOGS OF OXIDIZED AND REDUCED RUBREDOXIN SITES
119. ChemInform Abstract: SYNTHETIC ANALOGS OF THE 4-FE ACTIVE SITES OF REDUCED FERREDOXINS. ELECTRONIC PROPERTIES OF THE TETRANUCLEAR TRIANIONS (FE4S4(SR)4)3- AND THE STRUCTURE OF ((C2H5)3(CH3)N)3(FE4S4(SC6H5)4)
120. Evidence for the localized iron(III)/iron(II) oxidation state configuration as an intrinsic property of [Fe2S2(SR)4]3- clusters
121. ChemInform Abstract: Alternative Spin States in Synthetic Analogues of Biological Clusters: Spin‐Quartet Ground States and Structures of (Fe4S4(SPh)4)3‐ and (Fe4Se4(SPh)4)3‐ as Their Tetramethylammonium Salts.
122. Stability range of heterometal cubane-type clusters MFe3S4: assembly of double-cubane clusters with the rhenium-iron-sulfur [[ReFe3S4]] core
123. Redox properties and Moessbauer spectroscopy of Azotobacter vinelandii bacterioferritin
124. Electronic properties of single- and double-MoFe3S4 cubane-type clusters
125. MODEL Fe(III) PORPHYRIN SYSTEMS : AXIAL LIGATION IN OXIDIZED CYTOCHROME P-450.S
126. Axial ligation modes in iron(III) porphyrins. Models for the oxidized reaction states of cytochrome P-450 enzymes and the molecular structure of iron(III) protoporphyrin IX dimethyl ester p-nitrobenzenethiolate
127. ChemInform Abstract: Synthesis, Structure, and Properties of an Undecairon(III) Oxo-Hydroxo Aggregate: An Approach to the Polyiron Core in Ferritin.
128. Effects of secondary bonding interactions on the iron-sulfur cubane-type [Fe4S4]2+ core of ferredoxin site analogs: [Fe4S4(SC6H4-o-OH)4]2-, a distorted cubane-type cluster with one five-coordinate iron atom
129. Analogs of the [4Fe-4S]+ sites of reduced ferredoxins: structural and spectroscopic properties of [(C2H5)4N]3[Fe4S4(S-p-C6H4Br)4] in crystalline and solution phases
130. Alternative spin states in synthetic analogs of biological iron-sulfur [4Fe-4S]+ clusters: further cases of variable ground states and the structure of (Et4N)3[Fe4S4(S-o-C6H4S-tert-Bu)4], containing a reduced cluster with a compressed tetragonal distortion
131. ChemInform Abstract: Comparative Electronic Properties of Vanadium-Iron-Sulfur and Molybdenum-Iron-Sulfur Clusters Containing Isoelectronic Cubane-Type (VFe3S4)2+ and (MoFe3S4)3+ Cores.
132. ChemInform Abstract: MOESSBAUER STUDIES OF FE(2+) IN ANHYDROUS HEMOGLOBIN AND ITS ISOLATED SUBUNITS
133. SYNTHETIC ANALOGS OF THE ACTIVE SITES OF OXIDIZED AND REDUCED RUBREDOXIN
134. ChemInform Abstract: Synthesis and Characterization of (μ‐Hydroxo)bis(μ‐acetato)diiron(II) and (μ‐Oxo)bis(μ‐acetato)diiron(III) 1,4,7‐Trimethyl‐1,4,7‐triazacyclononane Complexes as Models for Binuclear Iron Centers in Biology; Properties of the Mixed Valence Diiron(II,III) Species.
135. ChemInform Abstract: EVIDENCE FOR THE LOCALIZED IRON(III)/IRON(II) OXIDATION STATE CONFIGURATION AS AN INTRINSIC PROPERTY OF (FE2S2(SR)4)3‐ CLUSTERS
136. Electronic properties of the linear antiferromagnetically coupled clusters [Fe3S4(SR)4]3-, structural isomers of the iron-sulfur(1+) ([Fe3S4]1+) unit in iron-sulfur proteins
137. Synthetic analogs of the active sites of iron-sulfur proteins. 14. Synthesis, properties, and structures of bis(o-xylyl-.alpha.,.alpha.'-dithiolato)ferrate(II,III) anions, analogs of oxidized and reduced rubredoxin sites
138. ChemInform Abstract: Alternative Spin States in Synthetic Analogues of Biological (4Fe‐4S)+ Clusters: Further Cases of Variable Ground States and the Structure of (Et4N)3(Fe4S4(S‐o‐C6H4StBu)4), Containing a Reduced Cluster with a Compressed Tetragonal Distortion.
139. Demonstration of the generality of the [Fe4S4(SR)4]2- (compressed D2d)/[Fe4S4(SR)4]3- (elongated D2d) structural change in electron-transfer reactions of ferredoxin 4-Fe site analogs. A model for unconstrained structural changes in ferredoxin proteins
140. MAGNETIC PROPERTIES OF [Fe4S4(SR)4]3- CLUSTERS
141. Electron-transfer series of MoFe3S4 double-cubane clusters: electronic properties of components and the structure of [(C2H5)4N]5[Mo2Fe6S8(SC6H5)9]
142. ChemInform Abstract: ANTIFERROMAGNETIC EXCHANGE INTERACTIONS IN (FE4S4(SR)4)2-,3- CLUSTERS
143. Iron(+2) binding to apo and holo mammalian ferritin
144. Mössbauer spectroscopy of iron-containing dermal granules from Molpadia intermedia
145. Local-environment model for the hyperfine interactions inFe3−xNixSi
146. ChemInform Abstract: Stability Range of Heterometal Cubane‐Type Clusters MFe3S4: Assembly of Double‐Cubane Clusters with the ReFe3S4 Core.
147. ChemInform Abstract: Synthesis, Structure, and Magnetic and Moessbauer Properties of Mononuclear and Asymmetric, Oxo-Bridged Trinuclear Iron(III) Complexes of a New Polyimidazole Ligand.
148. ChemInform Abstract: ANALOGS OF THE (4FE‐4S)+ SITES OF REDUCED FERREDOXINS: STRUCTURAL AND SPECTROSCOPIC PROPERTIES OF ((C2H5)4N)3(FE4S4(S‐P‐C6H4BR)4) IN CRYSTALLINE AND SOLUTION PHASES
149. Redox reactions associated with iron release from mammalian ferritin
150. Ground spin state variability in [Fe4S4(SR)4]3-. Synthetic analogs of the reduced clusters in ferredoxins and other iron-sulfur proteins: cases of extreme sensitivity of electronic state and structure to extrinsic factors
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