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| 1 | Surface bioactivation of PEEK by neutral atom beam technology显示文摘Polyetheretherketone(PEEK)is an alternative to metallic implants and a material of choice in many applications,including orthopedic,spinal,trauma,and dental.While titanium(Ti)and Ti-alloys are widely used in many intraosseous implants due to its biocompatibility and ability to osseointegrate,negatives include stiffness which contributes to shear stress,radio-opacity,and Ti-sensitivity.Many surgeons prefer to use PEEK due to its biocompatibility,similar elasticity to bone,and radiolucency,however,due to its inert properties,it fails to fully integrate with bone.Accelerated Neutral Atom Beam(ANAB)technology has been successfully employed to demonstrate enhanced bioactivity of PEEK both in vitro and in vivo.In this study,we further characterize surfaces of PEEK modified by ANAB as well as elucidate attachment and genetic effects of dental pulp stem cells(DPSC)exposed to these surfaces.ANAB modification resulted in decreased contact angle at 72.9±4.5°as compared to 92.4±8.5°for control(p<0.01)and a decreased average surface roughness,however with a nano-textured surface profile.ANAB treatment also increased the ability of DPSC attachment and proliferation with considerable genetic differences showing earlier progression towards osteogenic differentiation.This surface modification is achieved without adding a coating or changing the chemical composition of the PEEK material.Taken together,we show that ANAB processing of PEEK surface enhances the bioactivity of implantable medical devices without an additive or a coating. | Joseph Khoury Irina Selezneva Sergei Pestov Vadim Tarassov Artem Ermakov Andrey Mikheev Mikhail Lazov Sean R.Kirkpatrick Dmitry Shashkov Alexandre Smolkov | 2019 | Bioactive Materials2019，4，1： | 2 |
| 2 | A new adaptive Kalman filter for navigation systems of carrier-based aircraft显示文摘The features of carrier-based aircraft’s navigation systems during the approach and landing phases are investigated.A new adaptive Kalman filter with unknown state noise statistics is proposed to improve the accuracy of the INS/GNSS integrated navigation system.The adaptive filtering algorithm aims to estimate and adapt the unknown state noise covariance Q in high dynamic conditions,when the measurement noise covariance R is assumed to be known empirically in advance.The new adaptive Kalman filter based on the innovation sequence and pseudo-measurement vector approach makes it more effective to estimate and adapt Q.The simulation results and semi-physical experiments show that the application of the proposed adaptive Kalman filter can guarantee a higher estimation accuracy of the state variables. | Lifei ZHANG Shaoping WANG Maria Sergeevna SELEZNEVA Konstantin Avenirovich NEUSYPIN | 2022 | Chinese Journal of Aeronautics2022，35，1： | 2 |
| 3 | Acceleration of fibril formation and thermal stabilization of collagen fibrils in the presence of taxifolin (dihydroquercetin) 显示文摘 | Tarahovsky Y Selezneva I Vasilieva N | 2007 | B Exp Biol Med2007，144，6： | 1 |
| 4 | Elevated temperature off-ax- is fatigue behavior of an eight-harness satin woven carbon-fiber/bis- maleimide laminate 显示文摘 | John Montesano Marina Selezneva | 2012 | Composites Part A2012，43，9： | 1 |
| 5 | Mathematical modeling and analytical solution for workpiece temperature in grinding显示文摘 | Skuratov D L Ratis Yu L Selezneva I L | 2007 | Applied Math- ematieal Modelling2007，31，6： | 1 |
| 6 | Instrument for calibrating of measuring electric field strength显示文摘 | Selezneva A N | 1983 | Meas Tech1983，26，10： | 1 |
| 7 | Synthesis and properties of ammonium orthoperoxy-niobate and orthoperoxytantalate显示文摘 | SELEZNEVA K I NISEL'SON L A | 1968 | Zh Neorg Khim1968，13，1： | 1 |
| 8 | Char-acterization of transverse cracking spatial variability:using of LTPP data for CRCP design显示文摘 | Selezneva O I Darter M I Zollinger D G | 2003 | Transporta-tion Research Record2003，，1849： | 1 |
| 9 | Association of polymorphisms and haplotypes in the 5 region of COLIA1 gene with the risk of osteoporotic fractures in Russian woment from Volga-Ural region 显示文摘 | Selezneva LI Khusainova RI Nurligayanov RZ | 2008 | Russian Journal Of Genetics2008，44，2： | 1 |
| 10 | Activation of miner- als in milling显示文摘 | Molchanov V I Selezneva O G Zhiyrnov E N | 1988 | Nedra Moscow1988，8，： | 1 |
| 11 | Instrument for calibrating means of measuring electric field strength显示文摘 | Selezneva A N | 1983 | Measurement Techniques1983，26，10： | 1 |
| 12 | Spectroscopic Validation of the Supersonic Plasma Jet Model 显示文摘 | Selezneva S E Semlr V Gravelle D V | 2002 | Appl Phys2002，35，： | 1 |
| 13 | Stationary Supersonic Plasma Expansion: Continuum Fluid Mechanics Versus Direct Simulation Monte Carlo Method显示文摘 | Selezneva S E Boulosl M I Van De Sanden M C M | 2002 | Appl Phys2002，35，13： | 1 |
| 14 | Character--ization of transverse cracking spatial variability: using of LTPP Data for CRCP design显示文摘 | Selezneva O I Darter MI Zollinger D G | 2003 | TRR2003，1849，： | 1 |
| 15 | Characterization of transverse cracking spatial variabilityz use of long-term pavement performance data for continuously reinforced concrete pavement design 显示文摘 | SELEZNEVA O DARTER M ZOLL1NGER D | 2003 | Transportation Research Record2003，，1849： | 1 |
| 16 | Development of Rapid Solution for Prediction of Critical Continuously Reinforced Concrete Pavement Stress 显示文摘 | KHAZANOVICH L SELEZNEVA O I THOMAS Y H | 2001 | Transportation Research Record2001，，1778： | 1 |
| 17 | Nucleotide-specific recognition of iron-responsive elements by iron regulatory protein 1显示文摘 | SELEZNEVA A I WALDEN W E VOLZ K W | 2013 | J Mol Biol2013，425，18： | 1 |
| 18 | Nonauditory events of a behavioral procedure activate auditory cortex of highly trained monkeys显示文摘 | Brosch M Selezneva E Scheich H | | 0，，： | 1 |
| 19 | Microscale experimental investigation of failure mechanisms in off-axis woven laminates at elevated temperatures显示文摘 | Selezneva M Montesano J Fawaz Z | 2011 | Composites:Part A Applied Science and Manufacturing2011，42，11： | 1 |
| 20 | Nonauditory events of a behavioral procedure activate auditory cortex of highly trained monkeys显示文摘 | Brosch M Selezneva E Scheich H | 2005 | Journal of Neuroscience2005，25，29： | 1 |
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