niobium

Summary

Summary: Niobium. A metal element atomic number 41, atomic weight 92.906, symbol Nb. (From Dorland, 28th ed)

Top Publications

  1. ncbi Fatigue performance and cyto-toxicity of low rigidity titanium alloy, Ti-29Nb-13Ta-4.6Zr
    Mitsuo Niinomi
    Department of Production Systems Engineering, Toyohashi University of Technology, 1 1 Hibarigaoka, Tempaku cho, Toyohashi 441 8580, Japan
    Biomaterials 24:2673-83. 2003
  2. ncbi Fatigue characteristics of bioactive glass-ceramic-coated Ti-29Nb-13Ta-4.6Zr for biomedical application
    S J Li
    Department of Production Systems Engineering, Toyohashi University of Technology, 1 1, Hibarigaoka, Tempaku cho, Toyohashi 441 8580, Japan
    Biomaterials 25:3369-78. 2004
  3. ncbi Biocompatible Nb2O5 thin films prepared by means of the sol-gel process
    D Velten
    Lehrstuhl für Metallische Werkstoffe, Im Stadtwald, Geb 22, 6 OG, Universitat des Saarlandes, D 66123 Saarbrucken, Germany
    J Mater Sci Mater Med 15:457-61. 2004
  4. ncbi Biomimetic modification of porous TiNbZr alloy scaffold for bone tissue engineering
    Xiaojian Wang
    Institute for Technology Research and Innovation, Deakin University, Geelong, Victoria, Australia
    Tissue Eng Part A 16:309-16. 2010
  5. ncbi Quantum and thermal phase slips in superconducting niobium nitride (NbN) ultrathin crystalline nanowire: application to single photon detection
    Cécile Delacour
    Institut Neel, CNRS et Université Joseph Fourier, BP 166, F 38042 Grenoble, France
    Nano Lett 12:3501-6. 2012
  6. ncbi In vitro osteoblast-like cell proliferation on nano-hydroxyapatite coatings with different morphologies on a titanium-niobium shape memory alloy
    Jianyu Xiong
    Institute for Technology Research and Innovation, Deakin University, Waurn Ponds, Victoria 3217, Australia
    J Biomed Mater Res A 95:766-73. 2010
  7. ncbi Mechanical properties and grindability of dental cast Ti-Nb alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University 4 1, Seiryo machi, Aoba ku, Sendai, Miyagi, 980 8575 Japan
    Dent Mater J 22:328-42. 2003
  8. ncbi Influence of porosity on corrosion behaviour of Ti-39Nb alloy for dental applications
    Jaroslav Fojt
    Institute of Chemical Technology Prague, Department of Metals and Corrosion Engineering, Prague, Czech Republic
    Biomed Mater Eng 23:183-95. 2013
  9. ncbi Serum titanium, niobium, and aluminum levels after instrumented spinal arthrodesis in children
    Thomas P Cundy
    School of Paedatrics and Reproductive Health, Faculty of Health Sciences, The University of Adelaide, South Australia, Australia
    Spine (Phila Pa 1976) 38:564-70. 2013
  10. ncbi The influence of niobium and vanadium on passivity of titanium-based implants in physiological solution
    M Metikos-Huković
    Department of Electrochemistry, Faculty of Chemical Engineering, University of Zagreb, Savska 16, 10 000, Zagreb, Croatia
    Biomaterials 24:3765-75. 2003

Detail Information

Publications288 found, 100 shown here

  1. ncbi Fatigue performance and cyto-toxicity of low rigidity titanium alloy, Ti-29Nb-13Ta-4.6Zr
    Mitsuo Niinomi
    Department of Production Systems Engineering, Toyohashi University of Technology, 1 1 Hibarigaoka, Tempaku cho, Toyohashi 441 8580, Japan
    Biomaterials 24:2673-83. 2003
    ..The cyto-toxicity of the new alloy is equivalent to that of pure Ti. Therefore, it is proposed that the new alloy, Ti-29Nb-13Ta-4.6Zr, will be of considerable use in biomedical applications...
  2. ncbi Fatigue characteristics of bioactive glass-ceramic-coated Ti-29Nb-13Ta-4.6Zr for biomedical application
    S J Li
    Department of Production Systems Engineering, Toyohashi University of Technology, 1 1, Hibarigaoka, Tempaku cho, Toyohashi 441 8580, Japan
    Biomaterials 25:3369-78. 2004
    ..Subsequent ageing at 673 K for 259.2 ks greatly improves the fatigue resistance of the coated alloy due to isothermal omega phase precipitation, and does not have obvious detrimental effect on the coating properties...
  3. ncbi Biocompatible Nb2O5 thin films prepared by means of the sol-gel process
    D Velten
    Lehrstuhl für Metallische Werkstoffe, Im Stadtwald, Geb 22, 6 OG, Universitat des Saarlandes, D 66123 Saarbrucken, Germany
    J Mater Sci Mater Med 15:457-61. 2004
    ..lt; 200 nm) were prepared by spin coating of polished discs of cp-titanium with a sol consisting of a mixture of niobium ethoxide, butanol and acetylacetone...
  4. ncbi Biomimetic modification of porous TiNbZr alloy scaffold for bone tissue engineering
    Xiaojian Wang
    Institute for Technology Research and Innovation, Deakin University, Geelong, Victoria, Australia
    Tissue Eng Part A 16:309-16. 2010
    ..In the present study, a new type of porous Ti alloy scaffold with biocompatible alloying elements, that is, niobium (Nb) and zirconium (Zr), was prepared by a space-holder sintering method...
  5. ncbi Quantum and thermal phase slips in superconducting niobium nitride (NbN) ultrathin crystalline nanowire: application to single photon detection
    Cécile Delacour
    Institut Neel, CNRS et Université Joseph Fourier, BP 166, F 38042 Grenoble, France
    Nano Lett 12:3501-6. 2012
    ..electronic transport properties of superconducting nanowires obtained by nanolithography of 4-nm-thick niobium nitride (NbN) films epitaxially grown on sapphire substrate...
  6. ncbi In vitro osteoblast-like cell proliferation on nano-hydroxyapatite coatings with different morphologies on a titanium-niobium shape memory alloy
    Jianyu Xiong
    Institute for Technology Research and Innovation, Deakin University, Waurn Ponds, Victoria 3217, Australia
    J Biomed Mater Res A 95:766-73. 2010
    ..study, nano-hydroxyapatite coatings with different morphologies were produced on the surface of a titanium-niobium shape memory alloy via a hydrothermal process...
  7. ncbi Mechanical properties and grindability of dental cast Ti-Nb alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University 4 1, Seiryo machi, Aoba ku, Sendai, Miyagi, 980 8575 Japan
    Dent Mater J 22:328-42. 2003
    ..A small addition of niobium to titanium did not contribute to improving the grindability of titanium...
  8. ncbi Influence of porosity on corrosion behaviour of Ti-39Nb alloy for dental applications
    Jaroslav Fojt
    Institute of Chemical Technology Prague, Department of Metals and Corrosion Engineering, Prague, Czech Republic
    Biomed Mater Eng 23:183-95. 2013
    ..Corrosion resistance of the Ti-39Nb alloy was comparable with that of the compact material, but the presence of pores initiated a local attack of the material...
  9. ncbi Serum titanium, niobium, and aluminum levels after instrumented spinal arthrodesis in children
    Thomas P Cundy
    School of Paedatrics and Reproductive Health, Faculty of Health Sciences, The University of Adelaide, South Australia, Australia
    Spine (Phila Pa 1976) 38:564-70. 2013
    ..A prospective cohort study...
  10. ncbi The influence of niobium and vanadium on passivity of titanium-based implants in physiological solution
    M Metikos-Huković
    Department of Electrochemistry, Faculty of Chemical Engineering, University of Zagreb, Savska 16, 10 000, Zagreb, Croatia
    Biomaterials 24:3765-75. 2003
    ..The influence of niobium and vanadium as alloying elements on titanium alloy passivity have been investigated in Hanks' Balanced Salt ..
  11. ncbi Niobium pentoxide as a novel filler for dental adhesive resin
    Vicente Castelo Branco Leitune
    Dental Materials Laboratory, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
    J Dent 41:106-13. 2013
    The purpose of this study was to develop an adhesive resin with incorporation of niobium pentoxide and evaluate its properties.
  12. ncbi Influence of heat treatment and oxygen doping on the mechanical properties and biocompatibility of titanium-niobium binary alloys
    Luciano Monteiro da Silva
    UNESP Universidade Estadual Paulista, Laboratório de Anelasticidade e Biomateriais, USP, Bauru, Brazil
    Artif Organs 35:516-21. 2011
    ....
  13. ncbi Synthesis, characterization and biological activity of a niobium-substituted-heteropolytungstate on hepatitis B virus
    Hong Zhang
    Department of Hepatology, First Hospital, Jilin University, Changchun, PR China
    Bioorg Med Chem Lett 22:1664-9. 2012
    ..The same dose of ADV yielded a significantly less robust inhibitory effect. Compound 1 can clear HBV from hepatic cells and may represent a therapeutic agent to treat HBV infection...
  14. ncbi Niobium pentoxide as a new filler for methacrylate-based root canal sealers
    V C B Leitune
    Dental Materials Laboratory, School of Dentistry, Porto Alegre, RS, Brazil
    Int Endod J 46:205-10. 2013
    To evaluate the influence of several niobium pentoxide (Nb(2) O(5) ) concentrations on the radio-opacity, flow, film thickness, microhardness and degree of conversion of an experimental root canal sealer.
  15. pmc Differentiation of human mesenchymal stem cells on niobium-doped fluorapatite glass-ceramics
    Meenakshi Kushwaha
    The University of Iowa, College of Dentistry, Dows Institute for Dental Research, 801 Newton Road, Iowa City, IA 52242 1010, USA
    Dent Mater 28:252-60. 2012
    Our goal was to characterize the response of human mesenchymal stem cells (hMSCs) to a niobium-doped fluorapatite-based glass-ceramic (FAp).
  16. ncbi [Bone histocompatibility of surface modified nitinol memory alloy by coating titanium-niobium alloy]
    Aiyuan Wang
    The Institute of Orthopaedics, General Hospital of PLA, Beijing, 100853, P R China
    Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 24:797-800. 2010
    ..nitinol (NiTi) shape memory alloy is an available method to prevent nickel ion release and coating with titanium-niobium (TiNb) alloy will not affect the superelasticity and shape memory of NiTi...
  17. ncbi High efficiency NbN nanowire superconducting single photon detectors fabricated on MgO substrates from a low temperature process
    F Marsili
    Ecole Polytechnique Federale de Lausanne, Institute of Photonics and Quantum Electronics, Station 3, CH 1015 Lausanne, Switzerland
    Opt Express 16:3191-6. 2008
    ..Electrical and optical characterizations were performed on the SSPDs. The highest QE value measured at 4.2K is 20% at 1300 nm...
  18. ncbi Determination of the properties of an experimental glass polyalkenoate cement prepared from niobium silicate powder containing fluoride
    Márcio J Bertolini
    Department of Biochemistry and Technology Chemistry, Sao Paulo State University UNESP, Araraquara Institute of Chemistry, Araraquara, SP, Brazil
    Dent Mater 24:124-8. 2008
    The purpose of this paper is to modify the conventional calcium fluoro-alumino-silicate glass, which is used in the formation of glass ionomer cements (CIGs) by the niobium addition and to study the properties of GICs obtained.
  19. ncbi One-pot synthesis of platinum-based nanoparticles incorporated into mesoporous niobium oxide-carbon composites for fuel cell electrodes
    M Christopher Orilall
    Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
    J Am Chem Soc 131:9389-95. 2009
    ..Herein, we report the one-pot synthesis of Pt and Pt-Pb nanoparticles incorporated into the pores of mesoporous niobium oxide-carbon composites...
  20. ncbi Nanoporous niobium oxide for label-free detection of DNA hybridization events
    Jinsub Choi
    Nanomaterials Application Division, Korea Institute of Ceramic Engineering and Technology KICET, Seoul 153 801, South Korea
    Talanta 74:1056-9. 2008
    We found that DNA probes can be immobilized on anodically prepared porous niobium oxide without a chemical modification of both the DNA probes and the substrate...
  21. ncbi Electrochemical DNA biosensors based on thin gold films sputtered on capacitive nanoporous niobium oxide
    Sangchul Rho
    Department of Environmental Engineering and Biotechnology, Myongji University, Yongin, Gyunggi do 449 728, South Korea
    Biosens Bioelectron 23:852-6. 2008
    Electrochemical DNA biosensors based on a thin gold film sputtered on anodic porous niobium oxide (Au@Nb(2)O(5)) are studied in detail here...
  22. ncbi Effect of a niobium-containing titanium alloy on osteoblast behavior in culture
    Lior Shapira
    Department of Periodontology, Faculty of Dental Medicine, Hadassah Hebrew University Medical Center, Jerusalem, Israel
    Clin Oral Implants Res 20:578-82. 2009
    ..The chemistry of titanium is a key factor in determining implant-tissue interactions. Reports that a vanadium-based titanium alloy (Ti-6Al-4V) exhibits some cytotoxicity led to a search for an alternative...
  23. ncbi Tuning of superconducting niobium nitride terahertz metamaterials
    Jingbo Wu
    Research Institute of Superconductor Electronics, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China
    Opt Express 19:12021-6. 2011
    ..planar terahertz (THz) metamaterials (MMs), with unit cells of different sizes, are fabricated on 200 nm-thick niobium nitride (NbN) films deposited on MgO substrates...
  24. ncbi Nanostructured niobium oxide coatings influence osteoblast adhesion
    E Eisenbarth
    Biomechanic, Hamburg University of Technology TUHH, Hamburg, Germany
    J Biomed Mater Res A 79:166-75. 2006
    ..The surface roughness of Ra = 40 nm was rather peaked and reduced the speed of cell reactions belonging to the adhesion process...
  25. ncbi Niobium(V) oxide (Nb2O5): application to phosphoproteomics
    Scott B Ficarro
    Department of Cancer Biology and Blais Proteomics Center, Dana Farber Cancer Institute, Boston, Massachusetts 02115 6084, USA
    Anal Chem 80:4606-13. 2008
    ..Here we report the first demonstration that niobium pentoxide (Nb 2O 5) provides for efficient enrichment and recovery ( approximately 50-100%) of phosphopeptides ..
  26. ncbi Arthroplasty options for the young patient: Oxinium on cross-linked polyethylene
    Robert B Bourne
    London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
    Clin Orthop Relat Res 441:159-67. 2005
    ..5/million cycles versus 38.4 mm/million). Against cross-linked polyethylene, a damaged Oxinium femoral head had minimal wear (1.5 mm cubed per Mc)...
  27. ncbi Effect of prestrain on martensitic transformation in a Ti46.4Ni47.6Nb6.0 superelastic alloy and its application to medical stents
    T Takagi
    Management of Science and Technology, Graduate School of Engineering, Tohoku University, Aoba yama 04, Sendai 980 8579, Japan
    J Biomed Mater Res B Appl Biomater 76:179-83. 2006
    ..Especially, medical stents with such qualities show promise as a new class of self-expandable stents with both excellent mountability and deliverability...
  28. ncbi Cytotoxicity analysis of a novel titanium alloy in vitro: adhesion, spreading, and proliferation of human gingival fibroblasts
    Nagahiro Shimojo
    Department of Biochemistry, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
    Biomed Mater Eng 17:127-35. 2007
    ..These results suggest that the newly developed Ti-Ta alloy has biocompatibility as good as that of Ti and Ti-Al with respect to morphology and proliferation of Gin-1 cells in vitro...
  29. ncbi High-frequency surface acoustic waves excited on thin-oriented LiNbO3 single-crystal layers transferred onto silicon
    Thomas Pastureaud
    TEMEX, F 06904 Sophia Antipolis Cedex, France
    IEEE Trans Ultrason Ferroelectr Freq Control 54:870-6. 2007
    ..A theoretical analysis of the elastic wave assumed to propagate on such a combination of material is first exposed. Technological aspects then are described briefly. Experimental results are presented and compared to the state of art...
  30. ncbi Structures of the ordered double perovskites Sr2YTaO6 and Sr2YNbO6
    Christopher J Howard
    Australian Nuclear Science and Technology Organisation, Private Mail Bag 1, Menai, NSW 2234, Australia
    Acta Crystallogr B 61:258-62. 2005
    ..A new investigation establishes that Sr(2)YTaO(6) and the isostructural Sr(2)YNbO(6), distrontium yttrium niobium hexaoxide, in fact both adopt the commonly occurring monoclinic structure, with the space-group symmetry P2(1)/n.
  31. ncbi Preparation of porous solids composed of layered niobate walls from colloidal mixtures of niobate nanosheets and polystyrene spheres
    Nobuyoshi Miyamoto
    CREST, Japan Science and Technology Corporation, Japan
    J Colloid Interface Sci 313:369-73. 2007
    ..The walls were converted to crystalline K(8)Nb(18)O(49) after calcination at 500 degrees C for 6 h...
  32. ncbi A simple and versatile Sol-Gel method for the synthesis of functional nanocrystalline oxides
    Silvia Licoccia
    Department of Chemical Science and Technology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 1, 00133 Rome, Italy
    J Nanosci Nanotechnol 5:592-5. 2005
    ..The oxides obtained have well-defined crystalline structures, exhibit homogeneity, and crystallite sizes ranging from 9 to 16 nm in diameter...
  33. ncbi Growth of high performance piezoelectric crystal Pb(Zn1/3Nb2/3)O3-PbTiO3 using PbO flux
    Min Jin
    Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
    Ultrasonics 46:129-32. 2007
    ..The maximum size of as-grown PZNT crystal was about 60 mm in length. The crystal was oriented and its piezoelectric constant d(33) and coupling coefficient k(33) were measured over 2000pC/N and 0.92, respectively...
  34. ncbi Surface-acoustic-wave-enhanced alignment of thiolated carbon nanotubes on gold electrodes
    Tobias Smorodin
    Department für Physik der Ludwig Maximilians Universität and Center for NanoScience CeNS, Geschwister Scholl Platz 1, 80539 Munich, Germany
    Small 1:1188-90. 2005
  35. ncbi Elastic deformation behaviour of Ti-24Nb-4Zr-7.9Sn for biomedical applications
    Y L Hao
    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
    Acta Biomater 3:277-86. 2007
    ..We suggest sluggish, partially reversible processes of stress-induced phase transformation and/or incipient kink bands as the origin of the above peculiar elastic behaviour...
  36. ncbi Structural and optical properties of KTa0.77Nb0.23O3 nanoplates synthesized by hydrothermal method
    Yongming Hu
    Key Lab of Ferro and Piezoelectric Materials and Devices of Hubei Province, Faculty of Physics and Electronic Technology, Hubei University, Wuhan 430062, PR China
    J Colloid Interface Sci 310:292-6. 2007
    ....
  37. ncbi Direct access to thermally stable and highly crystalline mesoporous transition-metal oxides with uniform pores
    Jinwoo Lee
    Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA
    Nat Mater 7:222-8. 2008
    ..To this end, here we report on an approach established for group-IV (titanium) and group-V (niobium) oxides, with potential applications to photovoltaic cells and fuel cells, respectively, which overcomes previous ..
  38. ncbi (23)Na multiple-quantum MAS NMR of the perovskites NaNbO(3) and NaTaO(3)
    Sharon E Ashbrook
    Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, UK CB2 3EQ
    Phys Chem Chem Phys 8:3423-31. 2006
    ..Finally, we discuss the measured NMR parameters in relation to other studies of sodium in high coordination sites in the solid state...
  39. ncbi In vitro bioactivity evaluation of titanium and niobium metals with different surface morphologies
    X J Wang
    Centre for Material and Fibre Innovation, Deakin University, Pigdons Road, Waurn Ponds, Geelong, Victoria 3217, Australia
    Acta Biomater 4:1530-5. 2008
    ..In the present study, the surface morphologies of titanium (Ti) and niobium (Nb) metals were tailored to form nanoporous, nanoplate and nanofibre-like structures through adjustment of the ..
  40. ncbi Design and modeling of inversion layer ultrasonic transducers using LiNbO3 single crystal
    Q F Zhou
    Department of Biomedical Engineering and NIH transducer Resource Center, University of Southern California, Los Angeles, CA 90089, USA
    Ultrasonics 44:e607-11. 2006
    ..Two lambda/4 matching layers and a Tungsten loaded epoxy backing were used in these designs. The modeled results show that an over 90% bandwidth transducer can be made with proper matching and 30% inversion layer...
  41. ncbi Matrix isolation infrared spectroscopic and theoretical studies on the reactions of niobium and tantalum mono- and dioxides with methane
    Guanjun Wang
    Department of Chemistry and Laser Chemistry Institute, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, People s Republic of China
    J Phys Chem A 109:9514-20. 2005
    The reactions of niobium and tantalum monoxides and dioxides with methane have been investigated using matrix isolation infrared spectroscopic and theoretical calculations...
  42. ncbi Laser-deposited Ti-Nb-Zr-Ta orthopedic alloys
    R Banerjee
    Department of Materials Science and Engineering, University of North Texas, Denton, USA
    J Biomed Mater Res A 78:298-305. 2006
    ..alloy has been successfully deposited from a powder feedstock consisting of a blend of elemental titanium, niobium, zirconium, and tantalum powders, using the laser engineered net-shaping (LENStrade mark) process...
  43. ncbi Effect of niobium on the structure and photoactivity of anatase (TiO2) nanoparticles
    Masanori Hirano
    Department of Applied Chemistry, Faculty of Engineering, Aichi Institute of Technology, Yakusa, Toyota 470 0392, Japan
    J Nanosci Nanotechnol 6:762-70. 2006
    Anatase-type TiO2 nanoparticles doped with 0-30 mol% niobium were directly formed from precursor solutions of TiOSO4 and NbCl5 under mild hydrothermal conditions at 120-180 degrees C for 5 h using the hydrolysis of urea...
  44. ncbi Growth of single-crystalline KNbO3 nanostructures
    A Magrez
    Laboratoire des Nanostructures et des Nouveaux Matériaux Electroniques, Institut de Physique de la Matière Complexe, Switzerland
    J Phys Chem B 110:58-61. 2006
    ..The results indicate that highly uniform single-crystalline nanowires form within a narrow window of the ternary phase diagram of KOH-Nb2O5-H2O...
  45. ncbi Biomimetic implant coatings
    E Eisenbarth
    Hamburg University of Technology, Department of Biomechanics, Hamburg, Germany
    Biomol Eng 24:27-32. 2007
    ..The influence of nanometer sized surface structures on osteoblastlike cell interactions was tested with niobium oxide coatings on polished titanium slices (cp-Ti grade 2)...
  46. ncbi Vacuum arc deposition of nanostructured multilayer coatings for biomedical applications
    A Vladescu
    National Institute for Optoelectronics Tehnoprof Research Centre, Bucharest, 077125, Romania
    J Nanosci Nanotechnol 8:733-8. 2008
    ..For all coatings, the concentrations of dissolved ions were lower that those measured in the case of the uncoated specimens. The nanostructured multilayer films exhibited the best mechanical and anticorrosive properties...
  47. ncbi High-throughput screening using porous photoelectrode for the development of visible-light-responsive semiconductors
    Takeo Arai
    Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology AIST, Central 5, 1 1 1 Higashi, Tsukuba, Ibaraki 305 8565, Japan
    J Comb Chem 9:574-81. 2007
    ..As another example, screening targets of bismuth-based binary oxides were investigated for p-type semiconductor photoelectrodes, and CuBi2O4 was found as a new visible-light-responsive p-type semiconductor...
  48. ncbi Nondestructive evaluation of large-area PZN-8%PT single crystal wafers for medical ultrasound imaging probe applications
    Francis J Kumar
    Microfine Materials Technologies Pte Ltd, The Spire, 10 Bukit Batok Crescent 06 02, Singapore 658079
    IEEE Trans Ultrason Ferroelectr Freq Control 50:203-9. 2003
    ..Our results show that, to control deltaK3T and deltakt within individual wafer to < or = 10% and 5%, respectively, the variation in Tc within the wafer should be kept within +/- 3.0 degrees C or better...
  49. ncbi The mechanism of Li-ion transport in the garnet Li5La3Nb2O12
    Leo van Wüllen
    Institut fur Physikalische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstr 30 36, D 48149, Munster, Germany
    Phys Chem Chem Phys 9:3298-303. 2007
    ....
  50. ncbi Electrochemical formation of self-organized anodic nanotube coating on Ti-28Zr-8Nb biomedical alloy surface
    X J Feng
    Department of Materials Science, WW4 LKO, University of Erlangen Nuremberg, Martensstrasse 7, D 91058 Erlangen, Germany
    Acta Biomater 4:318-23. 2008
    ....
  51. ncbi A difference frequency generation spectrometer and its detection of atmospheric N2O
    Zhensong Cao
    Laboratory of Atmospheric Optics of Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
    Spectrochim Acta A Mol Biomol Spectrosc 68:74-7. 2007
    ..In this work, we report the detection of nitrous oxide (N(2)O) in atmosphere, the minimum detectable concentration of 10.9 ppbV was achieved using a Herriott cell with the optical path length of 100 m...
  52. ncbi Measurements along the growth direction of PMN-PT crystals: dielectric, piezoelectric, and elastic properties
    Jian Tian
    Department of Materials Science and Engineering, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
    IEEE Trans Ultrason Ferroelectr Freq Control 54:1895-902. 2007
    ..The results are useful for an understanding of properties in PMN-PT crystals and for the design of piezoelectric devices...
  53. ncbi New application of terahertz time-domain spectrometry (THz-TDS) to the phonon-polariton observation on ferroelectric crystals
    Seizi Nishizawa
    Cooperative Research Center, Shinshu University, Nagano 380 8553, Japan
    Phys Med Biol 47:3771-6. 2002
    ..The complex dielectric constants are well reproduced by the phonon-polariton dispersion relation based on the Kurosawa formula. The instrument details and phonon-polariton dispersion results are described...
  54. ncbi Fatigue properties of a metastable beta-type titanium alloy with reversible phase transformation
    S J Li
    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
    Acta Biomater 4:305-17. 2008
    ..Due to the effective suppression of the brittle isothermal omega phase, balanced properties of high strength, low Young's modulus and good ductility can be achieved through ageing treatment at intermediate temperature...
  55. ncbi The effects of particulate metals on cell viability of osteoblast-like cells in vitro
    Tatuji Sakai
    Department of Biomaterials, Osaka Dental University, Hirakata shi, Japan
    Dent Mater J 21:133-46. 2002
    ..These findings suggested that the effects of particulates on cells depended upon the direct effects of contact between particulates and cells, the indirect effects of dissolved ions and the kinds of particulate elements...
  56. ncbi Bioactivity of novel self-assembled crystalline Nb2O5 microstructures in simulated and human salivas
    Robert L Karlinsey
    Department of Preventive and Community Dentistry, Indiana University School of Dentistry, Oral Health Research Institute, 415 Lansing Street, Indianapolis, IN 46202, USA
    Biomed Mater 1:16-23. 2006
    Crystalline, self-assembled niobium oxide microstructures formed in situ via potentiostatic anodization of niobium foil in an HF(aq) electrolyte solution are proposed as exceptional nucleators of Ca-P minerals, including hydroxyapatite...
  57. ncbi Optimal selection of piezoelectric substrates and crystal cuts for SAW-based pressure and temperature sensors
    Xiangwen Zhang
    Key Laboratory for Complex Systems and Intelligence Science, Chinese Academy of Sciences, Beijing, China
    IEEE Trans Ultrason Ferroelectr Freq Control 54:1207-16. 2007
    ....
  58. ncbi Novel synthesis of polymorphous nanocrystalline KNbO3 by a low temperature solution method
    Jun Feng Liu
    Department of Chemistry, Key Laboratory of Atomic and Molecular Nanosciences Ministry of Education, China, Tsinghua University, Beijing 100084, People s Republic of China
    J Nanosci Nanotechnol 2:617-9. 2002
    ....
  59. ncbi [Electrochemical properties of biocompatible material hardness modifications on titanium and steel under mechanical loads]
    W Braun
    Abteilung für Funktionswerkstoffe der Medizin und der Zahnheilkunde, Universitatsklinikum Wurzburg, Deutschland
    Biomed Tech (Berl) 50:100-6. 2005
    ..In this study it could be demonstrated that tantalum and niobium coatings fulfill the requirements...
  60. ncbi In vitro biocompatibility of a new titanium-29niobium-13tantalum-4.6zirconium alloy with osteoblast-like MG63 cells
    T Naganawa
    Department of Periodontology, School of Dentistry, Aichi Gakuin University, Nagoya shi Aichi, Japan
    J Periodontol 75:1701-7. 2004
    ..However, its biocompatibility has not been adequately characterized. The aim of this study was to evaluate the biocompatibility of TiNb using an osteoblast-titanium co-culture system...
  61. ncbi A comparison of the fatigue behavior of cast Ti-7.5Mo with c.p. titanium, Ti-6Al-4V and Ti-13Nb-13Zr alloys
    Chia Wei Lin
    Department of Materials Science and Engineering, National Cheng Kung University, Tainan, Taiwan, ROC
    Biomaterials 26:2899-907. 2005
    ....
  62. ncbi Niobium nitride films formed by rapid thermal processing (RTP): a study of depth profiles and interface reactions by complementary analytical techniques
    A Berendes
    Institut fur Anorganische und Analytische Chemie, J W Goethe Universität Frankfurt, Marie Curie Str 11, 60439 Frankfurt, Germany
    Anal Bioanal Chem 379:554-67. 2004
    The nitridation of niobium films approximately 250 and 650 nm thick by rapid thermal processing (RTP) at 800 degrees C in molecular nitrogen or ammonia was investigated...
  63. ncbi Measurement of circular birefringence and circular dichroism of the single crystals of lambda-(+)589- and delta-(-)589-tris(ethylenediamine)cobalt(III) triiodide monohydrate by the extended HAUP method
    Ryo Matsuki
    Integrative Bioscience and Biomedical Engineering, Waseda University, Tokyo, Japan
    Chirality 16:286-93. 2004
    ..On the other hand, although the CD data obtained for Lambda-(+)(589)-(1) is almost three times larger than that for Delta-(-)(589)-(1,) these CD data are also opposite in sign, as expected from the opposite chirality of crystals. ...
  64. ncbi Effects of six particulate metals on osteoblast-like MG-63 and HOS cells in vitro
    Syuhei Kuroda
    Department of Biomaterials, Osaka Dental University 8 1, Kuzuhahanazono cho, Hirakata shi, Osaka 573 1121, Japan
    Dent Mater J 22:507-20. 2003
    ..These findings suggest that the cell viability of osteoblast-like cells might be influenced by particulate size and metal type, but ALP activity was not influenced by these factors...
  65. ncbi Formation and growth of calcium phosphate on the surface of oxidized Ti-29Nb-13Ta-4.6Zr alloy
    S J Li
    Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China
    Biomaterials 25:2525-32. 2004
    ..The surface processes during various treatment and immersion processes were investigated in detail, and the morphology of the calcium phosphate crystals was shown to be determined by the concentrations of Ca and P in the solution...
  66. ncbi Mechanical and thermal transitions in morphotropic PZN-pT and PMN-PT single crystals and their implication for sound projectors
    Ahmed Amin
    Sensors and Sonar Systems Department, Naval Undersea Warfare Center, Newport, RI 02841, USA
    IEEE Trans Ultrason Ferroelectr Freq Control 54:1090-5. 2007
    ....
  67. ncbi Ionic charge, radius, and potential control root/soil concentration ratios of fifty cationic elements in the organic horizon of a beech (Fagus sylvatica) forest podzol
    Germund Tyler
    Department of Ecology, Soil Plant Research, Ecology Building, SE 223 62 Lund, Sweden
    Sci Total Environ 329:231-9. 2004
    ..erbium, europium, gallium, gadolinium, hafnium, mercury, holmium, indium, lanthanum, lithium, lutetium, niobium, neodymium, nickel, lead, praseodymium, rubidium, scandium, samarium, tin, terbium, thorium, titanium, thallium, ..
  68. doi Structure and dynamics determined by neutron and x-ray scattering
    Peter Müller-Buschbaum
    Technische Universitat Munchen, Lehrstuhl für Funktionelle Materialien, Physik Department E13, James Franck Str 1, 85747 Garching, Germany
    J Phys Condens Matter 23:250301. 2011
    ..dynamics of simple liquids B Schmid and W Schirmacher Inelastic neutron and low-frequency Raman scattering in niobium-phosphate glasses: the role of spatially fluctuating elastic and elasto-optic constants A Schulte, W Schirmacher, ..
  69. ncbi Biocompatibility and osteogenesis of refractory metal implants, titanium, hafnium, niobium, tantalum and rhenium
    H Matsuno
    Department of Removable Prosthetic Dentistry, School of Dentistry, Hokkaido University, Sapporo, Japan
    Biomaterials 22:1253-62. 2001
    To evaluate the biocompatibility of refractory metals, titanium, hafnium, niobium, tantalum and rhenium were implanted in rats, and histological observation and elemental mapping were performed by X-ray scanning analytical microscope (..
  70. ncbi Surface changes induced by fluoride prophylactic agents on titanium-based orthodontic wires
    Ikuya Watanabe
    Department of Biomaterials Science, Baylor College of Dentistry, Texas A and M University Sytem Health Science Center, Dallas, 75246, USA
    Am J Orthod Dentofacial Orthop 123:653-6. 2003
    ..nickel-titanium and copper-nickel-titanium] and 2 beta-titanium alloy wires [titanium-molybdenum and titanium-niobium], all from Ormco, Glendora, Calif) with similar sizes were prepared and immersed in 5 fluoride prophylactic ..
  71. ncbi Non-targeted effects and the dose response for heavy ion tumor induction
    Francis A Cucinotta
    NASA, Lyndon B Johnson Space Center, Space Radiation Program, 2101 NASA Parkway, Mail Code SK, Houston, TX 77058, USA
    Mutat Res 687:49-53. 2010
    ..by heavy ions is the induction of Harderian gland tumors in mice by high-energy protons, helium, neon, iron and niobium ions after doses of 0.05 to several Gy...
  72. ncbi Selective arylation reactions of bismuth-transition metal salicylate complexes
    Vitalie Stavila
    Department of Chemistry, MS 60, Rice University, 6100 Main Street, Houston, Texas 77005
    Inorg Chem 48:6945-51. 2009
    Heterometallic bismuth-niobium or -tantalum salicylate complexes react with sodium tetraphenylborate to produce complexes in which one or more aryl groups have been transferred from boron to bismuth with the concomitant displacement of a ..
  73. ncbi Transfer of selected elements from food into human milk
    Olaf Wappelhorst
    International Graduate School of Zittau, Martk 23, D 02763 Zittau, Germany
    Nutrition 18:316-22. 2002
    We measured the transfer factors of antimony, cerium, chromium, cobalt, gallium, lanthanum, molybdenum, niobium, ruthenium, silver, thorium, titanium, and uranium from food to milk in nursing mothers.
  74. ncbi Niobium-doped titania nanoparticles: synthesis and assembly into mesoporous films and electrical conductivity
    Yujing Liu
    Department of Chemistry and Center for NanoScience CeNS, University of Munich LMU, Butenandtstrasse 5 13, 81377 Munich, Germany
    ACS Nano 4:5373-81. 2010
    Crystalline niobium-doped titania nanoparticles were synthesized via solvothermal procedures using tert-butyl alcohol as a novel reaction medium, and their assembly into mesoporous films was investigated...
  75. ncbi Sulfates of the refractory metals: crystal structure and thermal behavior of Nb2O2(SO4)3, MoO2(SO4), WO(SO4)2, and two modifications of Re2O5(SO4)2
    Ulf Betke
    Institute for Pure and Applied Chemistry, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
    Inorg Chem 50:858-72. 2011
    ..9589(7) Å, b = 11.7983(7) Å, c = 8.6065(5) Å, V = 1011.3(1) Å(3), Z = 4) represents a new sulfate-richer niobium oxide sulfate. The crystal structure contains a three-dimensional network of sulfate connected [Nb═O] moieties...
  76. ncbi Evaluation of the catalytic properties of Burkholderia cepacia lipase immobilized on non-commercial matrices to be used in biodiesel synthesis from different feedstocks
    Patricia C M Da Rós
    Engineering School of Lorena, University of Sao Paulo, PO Box 116, 12602 810 Lorena, Sao Paulo, Brazil
    Bioresour Technol 101:5508-16. 2010
    ..For this purpose lipase PS was immobilized on two different non-commercial matrices, such as inorganic matrix (niobium oxide, Nb(2)O(5)) and a hybrid matrix (polysiloxane-polyvinyl alcohol, SiO(2)-PVA) by covalent binding...
  77. ncbi Sensitive extractive spectrophotometric methods for the determination of nortriptyline hydrochloride in pharmaceutical formulations
    Wieslawa Misiuk
    Department of Biology and Chemistry, Institute of Chemistry, University of Bialystok, 15 399, Bialystok, Poland
    Chem Pharm Bull (Tokyo) 55:1655-61. 2007
    ..The methods involve the formation of colored ion-pairs between the drug and the complex of niobium(V)-thiocyanate (Nb-SCN) or iron(III)-thiocyanate (Fe-SCN) followed by their extraction with butanol or a mixture ..
  78. ncbi Exposure of workers in a mineral processing industry in Brazil
    Ligia M Q C Julião
    Instituto de Radioprotecao e Dosimetria, Av Salvador Allende s n Rio de Janeiro RJ 22780 160, Brazil
    Radiat Prot Dosimetry 125:513-5. 2007
    ..where the extraction mining and processing of ores containing elements of great economical importance as tin, niobium and tantalum. Some of these ores have uranium and thorium natural decay series associated...
  79. ncbi Matrix isolation spectroscopic and theoretical study of water adsorption and hydrolysis on molecular tantalum and niobium oxides
    Mingfei Zhou
    Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
    J Phys Chem A 115:2238-46. 2011
    The reactions of molecular tantalum and niobium monoxides and dioxides with water were investigated by matrix isolation infrared spectroscopy...
  80. ncbi Exposure of workers in mineral processing industries in Brazil
    J L Lipsztein
    Instituto de Radioproteção e Dosimetria CNEN, Av Salvador Allende s no, Rio de Janeiro, CEP 22780 160, Brazil
    J Environ Radioact 54:189-99. 2001
    ..A preliminary survey pilot program, that included six mines in Brazil (two coal mines, one niobium mine, one nickel mine, one gold mine and one phosphate mine), was launched in order to determine the need to ..
  81. doi Controlling the duality of the mechanism in liquid-phase oxidation of benzyl alcohol catalysed by supported Au-Pd nanoparticles
    Meenakshisundaram Sankar
    Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Cardiff CF10 3AT, UK
    Chemistry 17:6524-32. 2011
    ..we report that by changing the metal oxide used to support the metal-nanoparticles catalyst from titania or niobium oxide to magnesium oxide or zinc oxide, it is possible to switch off the disproportionation reaction and thereby ..
  82. ncbi Organometallic Trinuclear Niobium Cluster Complex in Aqueous Solution: Synthesis and Characterization of Niobium Complexes Containing Nb(3)(mu-eta(2):eta(2)( perpendicular)-NCCH(3))(mu(2)-O)(3)(6+) Cluster Core
    Hans Arni Nybo Joensen
    Department of Chemistry, Technical University of Denmark, Building 207, Kemitorvet, 2800 Lyngby, Denmark
    Inorg Chem 49:1720-7. 2010
    The synthesis and characterization of an organometallic trinuclear oxo-bridged niobium cluster complex with perpendicularly coordinated mu(3)-eta(2):eta(2)( perpendicular)-acetonitrile ligand in aqueous solution is reported...
  83. ncbi An ultralow noise current amplifier based on superconducting quantum interference device for high sensitivity applications
    C Granata
    Istituto di Cibernetica E Caianiello del Consiglio Nazionale delle Ricerche, Pozzuoli, Napoli, Italy
    Rev Sci Instrum 82:013901. 2011
    An integrated ultrahigh sensitive current amplifier based on a niobium dc superconducting quantum interference device (SQUID) has been developed...
  84. ncbi Trialkyl imido niobium and tantalum compounds: synthesis, structural study and migratory insertion reactions
    Miguel Galajov
    Centro de Espectroscopia de Resonancia Magnética Nuclear, Universidad de Alcala de Henares, Campus Universitario, E 28871, Alcala de Henares, Spain
    Dalton Trans 40:2797-804. 2011
    Trialkyl imido niobium and tantalum complexes [MR(3)(NtBu)] (M = Nb, R = Me 2, CH(2)CMe(3)3, CH(2)CMe(2)Ph 4, CH(2)SiMe(3)5; M = Ta, R = Me 6, CH(2)CMe(2)Ph 7, CH(2)SiMe(3)8) have been prepared by treatment of solutions containing [MCl(3)..
  85. ncbi Fabrication of mesoporous carbons with rod and winding road like morphology using NbSBA-15 templates
    Radhakrishnan Logudurai
    International Center for Materials Nanoarchitectonics, World Premier International Research Center, National Institute for Materials Science, 1 1 Namiki, Tsukuba 305 0044, Japan
    J Nanosci Nanotechnol 10:329-35. 2010
    ..materials with different morphology and pore diameters using NbSBA-15 mesoporous silica template with different niobium content...
  86. ncbi Solvothermal and surfactant-free synthesis of crystalline Nb(2)O(5), Ta(2)O(5), HfO(2), and Co-doped HfO(2) nanoparticles
    Jelena Buha
    IHTM Institute of Microelectronic Technologies and Single Crystals, University of Belgrade, Njegoseva 12, 11000 Belgrade, Serbia
    Phys Chem Chem Phys 12:15537-43. 2010
    A simple route to niobium, hafnium and tantalum oxide nanocrystals using a nonaqueous sol-gel route based on the solvothermal reaction of the corresponding metal chlorides with benzyl alcohol is presented...
  87. ncbi Effect of hydrocarbons on the morphology of synthesized niobium carbide nanoparticles
    David E Grove
    Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
    Langmuir 26:16517-21. 2010
    b>Niobium carbide nanoparticles were synthesized by flowing methane, ethylene, or acetylene gas through a plasma generated from an arc discharge between two niobium electrodes...
  88. ncbi Effects of distortion of metal-oxygen octahedra on photocatalytic water-splitting performance of RuO2-loaded niobium and tantalum phosphate bronzes
    Hiroshi Nishiyama
    Department of Material and Science Technology, Nagaoka University of Technology, Nagaoka 940 2188, Japan
    ChemSusChem 4:208-15. 2011
    Sodium, niobium, and tantalum phosphate bronzes Na(4)M(8)P(4)O(32) (M=Nb, Ta) are employed as photocatalysts for water splitting to reveal the effects of the distortion of metal-oxygen octahedra on the photocatalytic performance...
  89. ncbi Investigations of niobium carbide contact for carbon-nanotube-based devices
    L Huang
    Centre for Optoelectronics, Department of Electrical and Computer Engineering, National University of Singapore, Blk E3 02 07, Engineering Drive 3, Singapore 117576, Singapore
    Nanotechnology 21:95201. 2010
    ..transistors (FETs) with Nb contacts have been fabricated and upon annealing in vacuum at 700 degrees C for 1 h, niobium carbide (Nb(2)C) is formed at the Nb/SWCNT interface...
  90. ncbi NORM workers: a challenge for internal dosimetry programmes
    J L Lipsztein
    Instituto de Radioproteção e Dosimetria CNEN, Av Salvador Allende s n, Rio de Janeiro, Brazil, CEP 22780 160
    Radiat Prot Dosimetry 105:317-20. 2003
    ..Positive exposure results were identified among the coal miners, the niobium miners and the monazite sand workers...
  91. ncbi In vitro apatite formation on chemically treated (P/M) Ti-13Nb-13Zr
    Frank A Müller
    Department of Materials Science III Biomaterials, University of Erlangen Nuernberg, Erlangen, Germany
    Dent Mater 24:50-6. 2008
    ..The objective of this study was to suggest a chemical surface treatment for Ti-13Nb-13Zr to initiate the formation of hydroxy carbonated apatite (HCA) during in vitro bioactivity tests in simulated body fluid (SBF)...
  92. ncbi Fetal MCG and fetal MEG measurements with a 3-channel SQUID system
    U Schneider
    Department of Obstetrics, Friedrich Schiller University, Jena, Germany
    Neurol Clin Neurophysiol 2004:65. 2004
    ..The system comprises 3 axial first order gradiometers with 7 cm base length, 2 cm diameter and 2x2 windings of niobium wire, dc-SQUIDs (UJ-111), and current locked mode SQUID electronics that form an equal length triangle (22.5 mm)...
  93. ncbi Short-term microvascular response of striated muscle to cp-Ti, Ti-6Al-4V, and Ti-6Al-7Nb
    Peter H Pennekamp
    Department of Orthopedic Surgery, University of Bonn, Sigmund Freud Strasse 25, D 53105 Bonn, Germany
    J Orthop Res 24:531-40. 2006
    ..properties and good corrosion resistance, titanium-aluminium-vanadium (Ti-6Al-4V) and titanium-aluminium-niobium (Ti-6Al-7Nb) are extensively used for orthopedic surgery...
  94. ncbi Effect of alumina air-abrasion on mechanical bonding between an acrylic resin and casting alloys
    Takaya Ishii
    Division of Applied Oral Sciences, Nihon University Graduate School of Dentistry, Tokyo, Japan
    J Oral Sci 51:161-6. 2009
    ..C.12) alloy and a titanium-aluminum-niobium alloy (Ti-6Al-7Nb, T-Alloy Tough)...
  95. ncbi Assessment of radionuclide and metal contamination in a thorium rich area in Norway
    Jelena Mrdakovic Popic
    Department of Plant and Environmental Sciences, Norwegian University of Life Sciences, N 1432 As, Norway
    J Environ Monit 13:1730-8. 2011
    ..These rocks, also rich in iron (Fe), niobium (Nb), uranium ((238)U) and rare earth elements (REE), were mined in several past centuries...
  96. ncbi Reactivity of polyoxoniobates in acidic solution: controllable assembly and disassembly based on niobium-substituted germanotungstates
    Shu Jun Li
    Key Laboratory of Polyoxometalate Science of the Ministry of Education, Department of Chemistry, Northeast Normal University, Ren Min Street No 5268, Changchun, Jilin 130024, P R China
    Chemistry 16:13435-42. 2010
    The reactivity of polyoxoniobates has been studied in acidic solution by grafting niobium onto trivacant Keggin-type germanotungstates. Four niobium-containing compounds were obtained in the course of this study. Cs(6.5)K(0...
  97. ncbi Comparison of action of mixed permanent chemical modifiers for cadmium and lead determination in sediments and soils by slurry sampling graphite furnace atomic absorption spectrometry
    Ryszard Dobrowolski
    Faculty of Chemistry, Department of Analytical Chemistry and Instrumental Analysis, Maria Curie Sklodowska University, Maria Curie Sklodowska Sq 3, 20 031 Lublin, Poland
    Talanta 82:1325-31. 2010
    ..Comparison of action of mixed permanent modifiers niobium (Nb)/iridium (Ir) and tungsten (W)/iridium (Ir) were studied in detail...
  98. ncbi Tri-chlorido, 2-methylallyl and 2-butenyl tert-butylimido niobium and tantalum complexes: synthesis, multinuclear NMR spectroscopy and reactivity
    Miguel Galajov
    Centro de Espectroscopia de Resonancia Magnética Nuclear, CAI en Química, Universidad de Alcala de Henares, Campus Universitario, E 28871, Alcala de Henares, Spain
    Dalton Trans 40:413-20. 2011
    ..All new complexes were studied by IR and multinuclear NMR spectroscopy...
  99. ncbi Mechanical and thermoelastic characteristics of optical thin films deposited by dual ion beam sputtering
    Eda Cetinörgü
    Department of Engineering Physics, Ecole Polytechnique de Montreal, Montreal, Quebec H3C 3A7, Canada
    Appl Opt 48:4536-44. 2009
    ..We systematically study the growth and the mechanical and thermoelastic characteristics of niobium oxide (Nb(2)O(5)), tantalum oxide (Ta(2)O(5)), and silicon dioxide (SiO(2)) thin films prepared by dual ion beam ..
  100. ncbi [Complications following eyebrow piercing]
    S Hörle
    Klinik fur Augenheilkunde, Philipps Universitat, Robert Koch Strasse 4, 35037 Marburg
    Ophthalmologe 99:200-2. 2002
    ..Materials used are mainly surgical steel and, less frequently due to higher costs, titanium, gold, silver and niobium. The current literature reports complications such as infections, swellings, allergies, wound healing problems, ..
  101. ncbi Enhanced photoassisted water electrolysis using vertically oriented anodically fabricated Ti-Nb-Zr-O mixed oxide nanotube arrays
    Nageh K Allam
    Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332 0400, USA
    ACS Nano 4:5819-26. 2010
    Self-ordered, highly oriented arrays of titanium-niobium-zirconium mixed oxide nanotube films were fabricated by the anodization of Ti(35)Nb(5)Zr alloy in aqueous and formamide electrolytes containing NH(4)F at room temperature...

Research Grants8

  1. Ceramic scaffolds with engineered topography and chemistry
    ISABELLE L DENRY; Fiscal Year: 2013
    ..We will first investigate the crystallization kinetics and mechanical properties of sintered niobium- doped fluorapatite (FAp) ceramics with the aim of developing a highly crystalline ceramic with nanosized FAp ..
  2. MRI Image Guided Radiation Therapy (IGRT) system with low cost, highly stable mag
    MICHAEL J TOMSIC; Fiscal Year: 2013
    ..Liquid helium is presently essential for operation of present day low temperature niobium-titanium (NbTi) based superconductor magnets...
  3. Development of a niobuim oxide as a potential coating for dental and orthopedic i
    Robert Karlinsey; Fiscal Year: 2009
    ..The long-term goal of this research endeavor is to develop a unique niobium oxide coating that forms strong interfacial bonds with the implant substrate while stimulating rapid ..
  4. IMAGE SURFACE SENSOR ARRAY FOR BIOMAGNETIC MEASUREMENTS
    Robert Kraus; Fiscal Year: 2001
    ..accomplishments include (A) the super-conducting imaging principle was experimentally verified; (B) comparison of niobium and lead imaging surface performance demonstrated superior performance in the lead; (C) a new cryogenic sensor ..
  5. NMR FACILITY FOR BIOMEDICAL STUDIES
    AKSEL BOTHNER BY; Fiscal Year: 1991
    Under joint NIH-NSF sponsorship, a niobium-tin tape superconducting solenoid operating in nonpersistent mode and generating a field of 140...
  6. Low Cost Open MRI Systems using MgB2 Coils
    MICHAEL TOMSIC; Fiscal Year: 2004
    ..Magnesium diboride at 20 K can be made into a superconductor wire that can be lower cost than conventional Niobium Titanium superconductor wires at 4 K, and the future projected costs for ceramic BSCCO tape and YBCO HTS coated ..
  7. Development of a calcium-phosphate nanocomplex fluoride-based mouthrinse
    Robert Karlinsey; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  8. Periodontal Engineering by Growth Factor Release from Hollow HA Microspheres
    MOHAMED RAHAMAN; Fiscal Year: 2008
    ..Tissue engineering approaches, based on cell or growth factor delivery from biomaterials scaffolds, offer promising solutions for complete regeneration of the periodontium. [unreadable] [unreadable] [unreadable] [unreadable]..