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| 1 | Compression Molded Ultra High Molecular Weight Polyethylene-Hydroxyapatite-Aluminum Oxide-Carbon Nanotube Hybrid Composites for Hard Tissue Replacement显示文摘Ultra high molecular weight polyethylene(UHMWPE) is widely used for articulating surfaces in total hip and knee replacements.In the present work,UHMWPE based polymer composites were synthesized by synergistic reinforcing of bioactive hydroxyapatite(HA),bioinert aluminum oxide(Al_2O_3),and carbon nanotubes(CNTs) using compression molding.Phase and microstructural analysis suggests retention of UHMWPE and reinforcing phases in the compression molded composites.Microstructural analysis elicited variation in densification due to the size effect of the reinforcing particles.The hybrid composites exhibited hardness, elastic modulus and toughness comparable to that of UHMWPE.The interfacial effect of reinforcement phases has evinced the effectiveness of Al_2O_3 over HA and CNT reinforcements,depicting synergistic enhancement in hardness and elastic modulus.Weak interfacial bonding of polymer matrix with HA and CNT requires utilization of coupling agents to achieve enhanced mechanical properties without deteriorating cytocompatible properties. | Ankur Gupta Garima Tripathi Debrupa Lahiri Kantesh Balani | 2013 | Journal of Materials Science & Technology2013，29，6： | 8 |
| 2 | Mechanical, tribological and anti-corrosive properties of polyaniline/graphene coated Mg-9Li-7Al-1Sn and Mg-9Li-5Al-3Sn-1Zn alloys显示文摘The mechanical,tribological and corrosion protection offered to Mg-9Li-7Al-1Sn and Mg-9Li-5Al-3Sn-1Zn alloys by the epoxy coating containing polyaniline/graphene(PANI/Gr)pigments is undertaken in the current work.PANI/Gr containing coatings were observed to be strongly adherent with a higher scratch hardness(Hs)and plowing hardness(Hp),i.e.Hsof 0.43 GPa,and Hpof 0.61 GPa,respectively when compared to that of neat epoxy coating(Hsof 0.17 GPa,and Hpof 0.40 GPa,respectively).Due to their higher Hsand Hpvalues,PANI/Gr based coatings displayed an enhanced wear resistance(Wear volume,Wv=4.53×10^-3 m^3)than that of neat epoxy coating(Wv=5.15×10^-3 m^3).The corrosion protection efficiency in corrosive environment of 3.5 wt%NaCl solution was obtained to be>99% for PANI/Gr containing coatings when compared to that of neat epoxy coating.The charge-transfer resistance(R(ct))of the PANI/Gr containing coatings were estimated to be>10^6 cm^2,which indicates their highly protective nature when compared to that of neat epoxy coating(R(ct)10^5 Ω cm^2).Hence,PANI/Gr containing coatings can be potentially used for wear resistance and corrosion protection applications in marine environments. | Rita Maurya Abdul Rahim Siddiqui Prvan Kumar Katiyar Kantesh Balani | 2019 | Journal of Materials Science & Technology2019，35，8： | 4 |
| 3 | 间断或持续PTH刺激对骨及间充质干细胞的不同分化作用显示文摘目的探讨不同甲状旁腺素(PTH)给药情况下及撤药后,骨及间充质干细胞的不同分化作用机制。方法6周龄雄性C57/BL6J小鼠,基因型为SOX9-creERT/Td-Tomato/Osteocalcin-GFP,分为间断PTH刺激及撤药组(PTH 500 μg·kg^-1·d^-1,皮下注射)、持续PTH刺激及撤药组(PTH泵,80 μg·kg^-1·d^-1,速度0.25 μl/h,皮下埋入)、空白对照组及撤药对照组,共6组,每组8只。分别于给药2周及撤药2周时观察小鼠血清中钙离子浓度及骨密度,并取小鼠胫骨骨骼分别进行病理及免疫荧光染色。结果间断PTH刺激组血清钙离子浓度一过性升高,达(1.36±0.03)mmol/L。持续PTH泵刺激组血清中钙离子浓度逐渐升高,48 h达高峰[(2.33±0.03)mmol/L],2周后恢复正常(1.12~1.27 mmol/L)。PTH刺激2周后,间断组[(0.047±0.002)g/cm2]和持续组[(0.046±0.001)g/cm2]骨密度均高于对照组[(0.044±0.001)g/cm2],但间断组和持续组差异无统计学意义。停药2周后,三组间BMD差异无统计学意义。股骨病理可见间断组骨皮质不明显,大量的骨小梁增生,伴少量纤维组织增生;持续PTH刺激大片纤维组织增生,尤以骨皮质内侧显著,撤药后纤维化消失。间断PTH刺激后骨细胞和成骨细胞明显升高,撤药后明显下降;衬里细胞数量骤减,撤药后有所增加;破骨细胞给药及撤药后差异均无统计学意义。持续PTH刺激破骨细胞增多,衬里细胞骤减,撤药后破骨细胞和衬里细胞增加,成骨细胞减少。腓骨干骺端免疫荧光显示,间断PTH刺激组大量未分化的Td-tomato间充质干细胞,撤药后较前明显减少。持续PTH组少量未分化的Td-tomato间充质干细胞增生,撤药后较前减少。结论间断PTH刺激可通过增加未分化的间充质干细胞和成骨细胞数量,将衬里细胞转换为骨细胞和成骨细胞,进而促进骨生成;持续PTH刺激可使少量未分化的间充质干细胞、成骨细胞和骨细胞增生,伴大量纤维化增生和破骨细胞数量骤增,最终可能导致代谢性骨病,撤药后衬里细胞明显增加,或有利于代谢性骨病的缓解。 | 张瀶曦 Deepak H. Balani Sophia Trinh Henry M. Kronenberg 母义明 | 2018 | 中华医学杂志2018，98，10： | 4 |
| 4 | Local excision for rectal cancer显示文摘 | Balani A Turoldo A Bralni A | 2000 | J Surg Oncol2000，74，2： | 1 |
| 5 | RCS analysis and reduction for lossy dihedral corner reflectors显示文摘 | Balanis C A Liu K | 1991 | Proceedings of IEEE1991，77，6： | 1 |
| 6 | Metabolites of caspofungin acetate, a potent antifungal agent, in human plasma and urine显示文摘 | BALANI SK XU X ARISON BH | 2000 | Drug Metab Dispos2000，28，11： | 1 |
| 7 | Metabolites of Caspofungin acetate,a potent antifungal agent,in human plasma and urine显示文摘 | Balani SK Xu X Arison BH | 2000 | Drug Metab Dispos2000，28，11： | 1 |
| 8 | Dihedral corner reflectors back- scatter using higher order reflections and diffractions 显示文摘 | GRIESSER T BALANIS C A | 1986 | IEEE Transactions on Antennas and Propagation1986，35，11： | 1 |
| 9 | Pregnancy outcomes in women with gestational diabetes treated with metformin or insulin:a case-control study显示文摘 | Balani J Hyer SL Rodin DA | 2009 | Diabet Med2009，26，8： | 1 |
| 10 | Local excision for rectal cancer 显示文摘 | Balani A Turoldo A Braini A | 2000 | J Surg Oncol2000，74，2： | 1 |
| 11 | Smart-antenna systems for mobile communication net works partl : overvie- wand antenna design 显示文摘 | BELLOFIORE S BALANIS C A FOUTZ J | 2002 | IEEE Antenn Prop Mag2002，44，3： | 1 |
| 12 | Smart-antenna system for mobile communication networks part 2: beamforming and network throughput 显示文摘 | Bellofiore S Balanis C A Foutz J | 2002 | IEEE Antenna''s and Propagation Magazine2002，44，4： | 1 |
| 13 | Geometry and Weight Optimization for Minimizing Sidelobes in Wideband Planar Arrays显示文摘 | Bevelacqua P J Balanis C A | 2009 | IEEE Trans on Antennas Propagat2009，57，4： | 1 |
| 14 | Smart-antenna system for mobile commnnication network, Part 1: Overview and antenna design显示文摘 | Bellofiore S Balanis C A | 2002 | IEEE Antennas and Propagation Magazine2002，44，3： | 1 |
| 15 | Dispersion characteristics of open microstrip lines using closed-form asymptotic extraction显示文摘 | PARK S O BALANIS C A | 1997 | IEEE Trans on MTT1997，45，3： | 1 |
| 16 | Smartantenna system for mobile communication net works part2:beam for ming and net work through put 显示文摘 | BELLOFIORE S BALANIS C A FOUTZ J | 2002 | IEEE Antenn Prop Mag2002，44，4： | 1 |
| 17 | Smart-Antenna Systems for Mobile Communication Networks 显示文摘 | Bellofore S Balanis C A | 2002 | IEEE Antenna'' s and Propagatoion Magazine2002，44，3： | 1 |
| 18 | Uniform circular arrays for smart antennas显示文摘 | IOANNIDES P BALANIS C A | 2005 | Antennas and Propagation Magazine2005，47，4： | 1 |
| 19 | Scripta Mater显示文摘 | Chen Y Balani K Agarwal A | 2012 | 66: 3472012，66，： | 1 |
| 20 | Cosite interference between wire antennas on helicop- ter structures and rotor modulation effects: FDTD versus measurements显示文摘 | Georgakopoulos S V Balanis C A Birtcher C R | 1999 | IEEE Transactions on E- lectromagnetic Compatibility1999，41，3： | 1 |
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