The Experts below are selected from a list of 83424 Experts worldwide ranked by ideXlab platform
C. J. De Ranter - One of the best experts on this subject based on the ideXlab platform.
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Purification, crystallization and preliminary X-ray investigation of the Complex of human vitamin D binding protein and rabbit muscle actin.
Acta Crystallographica Section D Biological Crystallography, 2001Co-Authors: I. Bogaerts, Christel Verboven, Anja Rabijns, Etienne Waelkens, H. Van Baelen, C. J. De RanterAbstract:The vitamin D binding protein binds globular actin with high affinity and is involved in the clearance of actin from the blood circulation. A Complex of the human vitamin D binding protein and rabbit muscle actin was subjected to purification steps. The Pure Complex was crystallized using the hanging-drop vapour-diffusion procedure. The best obtained crystals belong to the monoclinic space group P21, with unit-cell parameters a = 74.44, b = 74.90, c = 88.02 A, β = 110.19°. A complete data set to 2.4 A was collected from a single crystal using synchrotron radiation at DESY, Hamburg, Germany.
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Purification, crystallization and preliminary X-ray investigation of the Complex of human vitamin D binding protein and rabbit muscle actin.
Acta crystallographica. Section D Biological crystallography, 2001Co-Authors: I. Bogaerts, Christel Verboven, Anja Rabijns, Etienne Waelkens, H. Van Baelen, C. J. De RanterAbstract:The vitamin D binding protein binds globular actin with high affinity and is involved in the clearance of actin from the blood circulation. A Complex of the human vitamin D binding protein and rabbit muscle actin was subjected to purification steps. The Pure Complex was crystallized using the hanging-drop vapour-diffusion procedure. The best obtained crystals belong to the monoclinic space group P2(1), with unit-cell parameters a = 74.44, b = 74.90, c = 88.02 A, beta = 110.19 degrees. A complete data set to 2.4 A was collected from a single crystal using synchrotron radiation at DESY, Hamburg, Germany.
I. Bogaerts - One of the best experts on this subject based on the ideXlab platform.
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Purification, crystallization and preliminary X-ray investigation of the Complex of human vitamin D binding protein and rabbit muscle actin.
Acta Crystallographica Section D Biological Crystallography, 2001Co-Authors: I. Bogaerts, Christel Verboven, Anja Rabijns, Etienne Waelkens, H. Van Baelen, C. J. De RanterAbstract:The vitamin D binding protein binds globular actin with high affinity and is involved in the clearance of actin from the blood circulation. A Complex of the human vitamin D binding protein and rabbit muscle actin was subjected to purification steps. The Pure Complex was crystallized using the hanging-drop vapour-diffusion procedure. The best obtained crystals belong to the monoclinic space group P21, with unit-cell parameters a = 74.44, b = 74.90, c = 88.02 A, β = 110.19°. A complete data set to 2.4 A was collected from a single crystal using synchrotron radiation at DESY, Hamburg, Germany.
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Purification, crystallization and preliminary X-ray investigation of the Complex of human vitamin D binding protein and rabbit muscle actin.
Acta crystallographica. Section D Biological crystallography, 2001Co-Authors: I. Bogaerts, Christel Verboven, Anja Rabijns, Etienne Waelkens, H. Van Baelen, C. J. De RanterAbstract:The vitamin D binding protein binds globular actin with high affinity and is involved in the clearance of actin from the blood circulation. A Complex of the human vitamin D binding protein and rabbit muscle actin was subjected to purification steps. The Pure Complex was crystallized using the hanging-drop vapour-diffusion procedure. The best obtained crystals belong to the monoclinic space group P2(1), with unit-cell parameters a = 74.44, b = 74.90, c = 88.02 A, beta = 110.19 degrees. A complete data set to 2.4 A was collected from a single crystal using synchrotron radiation at DESY, Hamburg, Germany.
Tie Wang - One of the best experts on this subject based on the ideXlab platform.
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Modified photoluminescence properties of rare-earth Complex/polymer composite fibers prepared by electrospinning
Applied Physics Letters, 2007Co-Authors: Hui Zhang, Hongwei Song, Guohui Pan, Qilin Dai, Xue Bai, Tie WangAbstract:Efficiently luminescent composite fibers of poly (vinyl pyrrolidone) (Mw≈1300000) and europium Complex Eu(TTA)3(TPPO)2 (TTA is thenoyltrifluoroacetone; TPPO is triphenylphosphine oxide) were prepared by electrospinning, with average diameters of 200–500nm and lengths of several tens of micrometers. Their photoluminescence properties were studied in comparison to the Pure Eu(TTA)3(TPPO)2 Complex. It was significant to observe that the thermal stability of photoluminescence in the composite fibers was improved considerably over the Pure Complex.
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Electrospinning Preparation and Photoluminescence Properties of Rare-Earth Complex/Polymer Composite Fibers
The Journal of Physical Chemistry C, 2007Co-Authors: Hui Zhang, Hongwei Song, Guohui Pan, Qilin Dai, Xue Bai, Tie WangAbstract:Composite fibers of poly(vinyl pyrrolidone) (PVP, Mw ≈ 1 300 000) and europium Complex Eu(BA)3(TPPO)2 (BA =1-benzoylacetone; TPPO = triphenylphosphine oxide) with strong photoluminescence were prepared by electrospinning. Their luminescent properties were studied in comparison to that of the Pure Complex. The results indicate that due to decreased symmetry in the composites the excitation bands are split into two different components, peaking at ∼246 and ∼336 nm, respectively, while the ratio of the electronic dipole 5D0-7F2 transitions to the magnetic dipole 5D0-7F1 ones in the emission spectra becomes a little larger. The room temperature fluorescence lifetime for the 5D0 level becomes shorter due to increased radiative and nonradiative transition rates. The temperature dependence of photoluminescence was investigated under 325-nm excitation. It is interesting to observe that in the composite fiber the total emission intensity of the Eu3+ ions changes little below 150 K, while in the Pure Complex the in...
Hui Zhang - One of the best experts on this subject based on the ideXlab platform.
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Electrospinning preparation of uniaxially aligned ternary terbium Complex/polymer composite fibers and considerably improved photostability.
Journal of nanoscience and nanotechnology, 2010Co-Authors: Hui Zhang, Hongwei Song, Liangliang Han, Biao Dong, Guohui Pan, Haifeng Zhao, Qilin Dai, Ruifei QinAbstract:In order to improve photoluminescence properties, terbium Complex Tb(acac)3phen (acacacetylacetone, phen-1,10-phenanthroline) was incorporated into polystyrene (PS), polyvinylpyrrolidone (PVP), and polymethylmethacrylate (PMMA) matrixes and electrospun into various aligned composite fibers. Their morphology, structure and photoluminescence properties were systematically characterized and studied. The results demonstrated that under the ultraviolet (UV) light exposure, the emission intensity for 5D4 --> 7F(J) of Tb3+ in the composite fibers considerably increased, while it was greatly quenched in the Pure Complex, implying remarkably improved photostability in the composites. The composite fibers also demonstrated much better temperature stability of photoluminescence over the Pure Complex.
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Electrospinning Preparation and Luminescence Properties of Europium Complex/Polymer Composite Fibers
The Journal of Physical Chemistry C, 2008Co-Authors: Hui Zhang, Hongwei Song, Liangliang Han, Biao Dong, Guohui Pan, Haifeng Zhao, Xue Bai, Libo Fan, Fang WangAbstract:The europium Complex Eu(TTA)3(TPPO)2 (TTA = thenoyltrifluoroacetone, TPPO = triphenylphosphine oxide) was incorporated into poly(methyl methacrylate) (PMMA, Mw ≈ 350 000), polystyrene (PS, Mw ≈ 250 000), poly(vinyl pyrrolidone) (PVP, Mw ≈ 1 300 000) matrixes and electrospun into various composite fibers. The thermal stability of these composite fibers is better than that of the Pure europium Complex. Their photoluminescence properties were studied in comparison to those of the Pure Complex. The results indicate that, in all of the composite fibers, the excitation bands of the ligands split into different components because of the distorted crystal field, which reduces the degree to which the 5D0−7F0 transition is parity-forbidden. In addition, the thermal stability of the photoluminescence of Eu3+ in the composite fibers is considerably improved over that of the Pure Complex. Also, the Eu(TTA)3(TPPO)2/PS composite fibers exhibit better photostability upon exposure to ultraviolet light. In the Eu(TTA)3(TPP...
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Modified photoluminescence properties of rare-earth Complex/polymer composite fibers prepared by electrospinning
Applied Physics Letters, 2007Co-Authors: Hui Zhang, Hongwei Song, Guohui Pan, Qilin Dai, Xue Bai, Tie WangAbstract:Efficiently luminescent composite fibers of poly (vinyl pyrrolidone) (Mw≈1300000) and europium Complex Eu(TTA)3(TPPO)2 (TTA is thenoyltrifluoroacetone; TPPO is triphenylphosphine oxide) were prepared by electrospinning, with average diameters of 200–500nm and lengths of several tens of micrometers. Their photoluminescence properties were studied in comparison to the Pure Eu(TTA)3(TPPO)2 Complex. It was significant to observe that the thermal stability of photoluminescence in the composite fibers was improved considerably over the Pure Complex.
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Electrospinning Preparation and Photoluminescence Properties of Rare-Earth Complex/Polymer Composite Fibers
The Journal of Physical Chemistry C, 2007Co-Authors: Hui Zhang, Hongwei Song, Guohui Pan, Qilin Dai, Xue Bai, Tie WangAbstract:Composite fibers of poly(vinyl pyrrolidone) (PVP, Mw ≈ 1 300 000) and europium Complex Eu(BA)3(TPPO)2 (BA =1-benzoylacetone; TPPO = triphenylphosphine oxide) with strong photoluminescence were prepared by electrospinning. Their luminescent properties were studied in comparison to that of the Pure Complex. The results indicate that due to decreased symmetry in the composites the excitation bands are split into two different components, peaking at ∼246 and ∼336 nm, respectively, while the ratio of the electronic dipole 5D0-7F2 transitions to the magnetic dipole 5D0-7F1 ones in the emission spectra becomes a little larger. The room temperature fluorescence lifetime for the 5D0 level becomes shorter due to increased radiative and nonradiative transition rates. The temperature dependence of photoluminescence was investigated under 325-nm excitation. It is interesting to observe that in the composite fiber the total emission intensity of the Eu3+ ions changes little below 150 K, while in the Pure Complex the in...
Etienne Waelkens - One of the best experts on this subject based on the ideXlab platform.
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Purification, crystallization and preliminary X-ray investigation of the Complex of human vitamin D binding protein and rabbit muscle actin.
Acta Crystallographica Section D Biological Crystallography, 2001Co-Authors: I. Bogaerts, Christel Verboven, Anja Rabijns, Etienne Waelkens, H. Van Baelen, C. J. De RanterAbstract:The vitamin D binding protein binds globular actin with high affinity and is involved in the clearance of actin from the blood circulation. A Complex of the human vitamin D binding protein and rabbit muscle actin was subjected to purification steps. The Pure Complex was crystallized using the hanging-drop vapour-diffusion procedure. The best obtained crystals belong to the monoclinic space group P21, with unit-cell parameters a = 74.44, b = 74.90, c = 88.02 A, β = 110.19°. A complete data set to 2.4 A was collected from a single crystal using synchrotron radiation at DESY, Hamburg, Germany.
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Purification, crystallization and preliminary X-ray investigation of the Complex of human vitamin D binding protein and rabbit muscle actin.
Acta crystallographica. Section D Biological crystallography, 2001Co-Authors: I. Bogaerts, Christel Verboven, Anja Rabijns, Etienne Waelkens, H. Van Baelen, C. J. De RanterAbstract:The vitamin D binding protein binds globular actin with high affinity and is involved in the clearance of actin from the blood circulation. A Complex of the human vitamin D binding protein and rabbit muscle actin was subjected to purification steps. The Pure Complex was crystallized using the hanging-drop vapour-diffusion procedure. The best obtained crystals belong to the monoclinic space group P2(1), with unit-cell parameters a = 74.44, b = 74.90, c = 88.02 A, beta = 110.19 degrees. A complete data set to 2.4 A was collected from a single crystal using synchrotron radiation at DESY, Hamburg, Germany.
