Auflistung nach Schlagwort "surface property"

Sortiert nach: Sortierung: Ergebnisse:

  • Adhesion, Vitality and Osteogenic Differentiation Capacity of Adipose Derived Stem Cells Seeded on Nitinol Nanoparticle Coatings 
    Strauß, Sarah; Neumeister, Anne; Barcikowski, Stephan; Kracht, Dietmar; Kuhbier, Jörn W.; Radtke, Christine; Reimers, Kerstin; Vogt, Peter M. (San Francisco, California, US : PLOS, 2013)
    Autologous cells can be used for a bioactivation of osteoimplants to enhance osseointegration. In this regard, adipose derived stem cells (ASCs) offer interesting perspectives in implantology because they are fast and easy ...
  • Comparative in vitro study and biomechanical testing of two different magnesium alloys 
    Weizbauer, Andreas; Modrejewski, Christian; Behrens, Sabine; Klein, Helmut; Helmecke, Patrick; Seitz, Jan-Marten; Windhagen, Henning; Möhwald, Kai; Reifenrath, Janin; Waizy, Hazibullah (London : SAGE Publications Ltd., 2014)
    In this in vitro study, magnesium plates of ZEK100 and MgCa0.8 alloy similar to common titanium alloy osteosynthesis plates were investigated as degradable biomedical materials with a focus on primary stability. Immersion ...
  • Depinning transitions between adsorbate chains coupled by Friedel oscillations 
    Godzik, G.; Block, T.; Pfnür, Herbert (College Park, MD : American Physical Society, 2003)
    The low coverage phase transitions of the p(8×1) and the p(5×1) chain structures of the Sr/Mo(112) system have been investigated with low-energy electron diffraction (LEED) at constant coverages. It turns out that both ...
  • Femtosecond laser fabricated spike structures for selective control of cellular behavior 
    Schlie, Sabrina; Fadeeva, Elena; Koch, Jürgen; Ngezahayo, Anaclet; Chichkov, Boris (London : SAGE Publications Ltd., 2010)
    In this study we investigate the potential of femtosecond laser generated micrometer sized spike structures as functional surfaces for selective cell controlling. The spike dimensions as well as the average spike to spike ...
  • Ferrocene-1,1' -dithiol as molecular wire between Ag electrodes: The role of surface defects 
    Bredow, T.; Tegenkamp, Christoph; Pfnür, Herbert; Meyer, J.; Maslyuk, V.V.; Mertig, I. (College Park, MD : American Institute of Physics, 2008)
    The interaction of ferrocene- 1, 1' -dithiol (FDT) with two parallel Ag(111) surfaces has been theoretically studied at density-functional level. The effect of surface defects on the energetic and electronic structure was ...
  • Formation of surface color centers at differently coordinated sites: MgO/Ag(1,1,19) 
    Kramer, J.; Tegenkamp, Christoph; Pfnür, Herbert (College Park, MD : American Physical Society, 2003)
    In order to find criteria for discrimination between surface color centers at terraces and steps, and bulk color centers, the characteristic losses of these centers have been investigated by electron energy loss spectroscopy ...
  • In vitro corrosion of ZEK100 plates in Hank's Balanced Salt Solution 
    Waizy, Hazibullah; Weizbauer, Andreas; Modrejewski, Christian; Witte, Frank; Windhagen, Henning; Lucas, Arne; Kieke, Marc D.K.; Denkena, Berend; Behrens, Peter; Meyer-Lindenberg, Andrea; Bach, Friedrich-Wilhelm; Thorey, Fritz (London : BioMed Central Ltd., 2012)
    Background: In recent years magnesium alloys have been intensively investigated as potential resorbable materials with appropriate mechanical and corrosion properties. Particularly in orthopedic research magnesium is ...
  • In vivo testing of a bioabsorbable magnesium alloy serving as total ossicular replacement prostheses 
    Lensing, Rebecca; Behrens, Peter; Müller, Peter Paul; Lenarz, Thomas; Stieve, Martin (London : SAGE Publications Ltd., 2014)
    Magnesium alloys have been investigated in different fields of medicine and represent a promising biomaterial for implants due to characteristics like bioabsorbability and osteoinduction. The objective of this study was ...
  • Influence of the grain size on the in vivo degradation behaviour of the magnesium alloy LAE442 
    Ullmann, Berit; Reifenrath, Janin; Seitz, Jan-Martin; Bormann, Dirk; Meyer-Lindenberg, Andrea (London : SAGE Publications Ltd., 2013)
    The aim of this study was to investigate the differences in the in vivo degradation behaviour of magnesium implants with various grain sizes and damaged surfaces. For this purpose, three different LAE442 magnesium implants ...
  • Light driven reactions of single physisorbed azobenzenes 
    Bazarnik, Maciej; Henzl, Jörg; Czajka, Ryszard; Morgenstern, Karina (Cambridge : Royal Society of Chemistry, 2011)
    We present a successful attempt of decoupling a dye molecule from a metallic surface via physisorption for enabling direct photoisomerization. Effective switching between the isomers is possible by exposure to UV light via ...
  • Light intensity dependence of the kinetics of the photocatalytic oxidation of nitrogen(ii) oxide at the surface of TiO2 
    Dillert, Ralf; Engel, Astrid; Große, Julia; Lindner, Patrick; Bahnemann, Detlef W. (Cambridge : Royal Society of Chemistry, 2013)
    Air pollution by nitrogen oxides represents a serious environmental problem in urban areas where numerous sources of these pollutants are concentrated. One approach to reduce the concentration of these air pollutants is ...
  • Mesoporous silica films as a novel biomaterial: Applications in the middle ear 
    Ehlert, Nina; Mueller, Peter P.; Stieve, Martin; Lenarz, Thomas; Behrens, Peter (Cambridge : Royal Society of Chemistry, 2013)
    In this tutorial review we present the process of the development of functional implants using mesoporous silica. The different steps from chemical synthesis and physicochemical characterization followed by in vitro testing ...
  • Morphology and magnetic properties of ferriferous two-phase sodium borosilicate glasses 
    Naberezhnov, Alexander; Porechnaya, Nadezda; Nizhankovskii, Viktor; Filimonov, Alexey; Nacke, Bernard (New York, NY : Hindawi Publishing Corporation, 2014)
    This contribution is devoted to the study of morphology and magnetic properties of sodium borosilicate glasses with different concentrations (15, 20, and 25 wt.%) of α Fe2O3 in an initial furnace charge. These glasses were ...
  • MXene molecular sieving membranes for highly efficient gas separation 
    Ding, Li; Wei, Yanying; Li, Libo; Zhang, Tao; Wang, Haihui; Xue, Jian; Ding, Liang-Xin; Wang, Suqing; Caro, Jürgen; Gogotsi, Yury (London : Nature Publishing Group, 2018)
    Molecular sieving membranes with sufficient and uniform nanochannels that break the permeability-selectivity trade-off are desirable for energy-efficient gas separation, and the arising two-dimensional (2D) materials provide ...
  • Novel formulations of c-peptide with long-acting therapeutic potential for treatment of diabetic complications 
    Zashikhina, Natalia; Sharoyko, Vladimir; Antipchik, Mariia; Tarasenko, Irina; Anufrikov, Yurii; Lavrentieva, Antonina; Tennikova, Tatiana; Korzhikova-Vlakh, Evgenia (Basel : MDPI AG, 2019)
    The development and application of novel nanospheres based on cationic and anionic random amphiphilic polypeptides with prolonged stability were proposed. The random copolymers, e.g., poly(L-lysine-co-D-phenylalanine) ...
  • Production of natural colorants by liquid fermentation with Chlorociboria aeruginascens and Laetiporus sulphureus and prospective applications 
    Zschätzsch, Marlen; Steudler, Susanne; Reinhardt, Olena; Bergmann, Pia; Ersoy, Franziska; Stange, Stephanie; Wagenführ, André; Walther, Thomas; Berger, Ralf Günter; Werner, Anett (Weinheim : Wiley-VCH, 2021)
    The replacement of potentially hazardous synthetic dyes with natural dyes and pigments are of great interest for a sustainable economy. In order to obtain cost-efficient, environmentally friendly and competitive products, ...
  • Restructuring of the Ge(100) surface by Na chains 
    Ernst, Wolfgang; Jonas, K.-L.; von Oeynhausen, V.; Tegenkamp, Christoph; Pfnür, Herbert (College Park, MD : American Physical Society, 2003)
    The Na-induced surface structures on Ge(100) at concentrations below 0.1 monolayer (ML) have been investigated with low-energy electron diffraction and with scanning tunneling microscopy (STM). Annealing and partial ...
  • A rolling-gliding wear simulator for the investigation of tribological material pairings for application in total knee arthroplasty 
    Richter, Berna I.; Ostermeier, Sven; Turger, Anke; Denkena, Berend; Hurschler, Christof (London : BioMed Central Ltd., 2010)
    Background: Material wear testing is an important technique in the development and evaluation of materials for use in implant for total knee arthroplasty. Since a knee joint induces a complex rolling-gliding movement, ...
  • Silver nanoparticle-doped zirconia capillaries for enhanced bacterial filtration 
    Wehling, Julia; Köser, Jan; Lindner, Patrick; Lüder, Christian; Beutel, Sascha; Kroll, Stephen; Rezwan, Kurosch (London : Elsevier Ltd., 2014)
    Membrane clogging and biofilm formation are the most serious problems during water filtration. Silver nanoparticle (Agnano) coatings on filtration membranes can prevent bacterial adhesion and the initiation of biofilm ...
  • Smart multifunctional nanoparticles in nanomedicine 
    Seleci, Muharrem; Ag Seleci, Didem; Joncyzk, Rebecca; Stahl, Frank; Blume, Cornelia; Scheper, Thomas (Berlin : De Gruyter, 2016)
    Recent advances in nanotechnology caused a growing interest using nanomaterials in medicine to solve a number of issues associated with therapeutic agents. The fabricated nanomaterials with unique physical and chemical ...