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| 1 | O2等离子体改性玻璃纤维增强SiO2气凝胶复合材料的制备及表征显示文摘为了制备得到性能优异的疏水SiO2气凝胶复合材料,以O2等离子体处理的玻璃纤维作为增强相,结合溶胶-凝胶法和超临界CO2干燥工艺制备SiO2气凝胶复合材料并对复合材料的结构、表面基团、疏水性、热稳定性以及绝热、力学性能进行表征。结果一方面表明O2等离子体处理改善了玻璃纤维与SiO2气凝胶的结合能力,使复合材料具有更加优异的绝热性能和力学性能;另一方面表明疏水改性后的O2等离子体处理玻璃纤维增强的SiO2气凝胶复合材料在MTMS与TEOS比例为0.4∶1时,具有低密度(0.228 g/cm3)、低导热率(0.0214 W/m·K)、高孔隙率(80.0%)、高比表面积(741.66 m^2·g^-1)、高疏水角(129.2°)以及高抗压强度(σ20%=152.88 kPa)的特点。这些优异的性能促进了O2等离子体处理玻璃纤维增强的SiO2气凝胶复合材料在绝热领域更加广泛的应用。 | 田佳琦 谭慧君 Sameera Shafi 赵亚平 | 2020 | 复合材料科学与工程2020,,7: | 4 |
| 2 | Structural effects on the magnetic hyperthermia properties of iron oxide nanoparticles显示文摘Magnetic iron oxide nanoparticles(IONPs) are heavily explored as diagnostic and therapeutic agents due to their low cost, tunable properties, and biocompatibility. In particular, upon excitation with an alternating current(AC) magnetic field, the NPs generate localized heat that can be exploited for therapeutic hyperthermia treatment of diseased cells or pathogenic microbes. In this review, we focus on how structural changes and inter-particle interactions affect the heating efficiency of iron oxide-based magnetic NPs. Moreover, we present an overview of the different approaches to evaluate the heating performance of IONPs and introduce a new theranostic modality based on magnetic imaging guided–hyperthermia. | Eric C.Abenojar Sameera Wickramasinghe Jesbaniris Bas-Concepcion Anna Cristina S.Samia | 2016 | Progress in Natural Science:Materials International2016,26,5: | 2 |
| 3 | 促进安全和健康的工作——ILO的安全、健康和环境全球计划显示文摘在当今这样一个快速发展的全球化经济中,国际劳工组织(ILO)安全工作部门主任Sameera Al-Tuwaijri博士指出,人类将面临许多安全、健康与环境的挑战,国际劳工组织正在积极应对这些挑战。 | Sameera Al-Tuwaijri | 2009 | 劳动保护2009,,5: | 2 |
| 4 | Designing an optimal stope layout for underground mining based on a heuristic algorithm显示文摘An optimal layout or three-dimensional spatial distribution of stopes guarantees the maximum profitability over life span of an underground mining operation.Thus,stope optimization is one of the key areas in underground mine planning practice.However,the computational complexity in developing an optimal stope layout has been a reason for limited availability of the algorithms offering solution to this problem.This article shares a new and efficient heuristic algorithm that considers a three-dimensional ore body model as an input,maximizes the economic value,and satisfies the physical mining and geotechnical constraints for generating an optimal stope layout.An implementation at a copper deposit demonstrates the applicability and robustness of the algorithm.A parallel processing based modification improving the performance of the original algorithm in terms of enormous computational time saving is also presented. | Sandanayake Don Suneth Sameera Topal Erkan Asad Mohammad Waqar Ali | 2015 | International Journal of Mining Science and Technology2015,25,5: | 2 |
| 5 | Analysis of trace dicyandiamide in stream water using solid phase extraction and liquid chromatography UV spectrometry显示文摘An improved method for trace level quantification of dicyandiamide in stream water has been developed. This method includes sample pretreatment using solid phase extraction.The extraction procedure(including loading, washing, and eluting) used a flow rate of1.0 m L/min, and dicyandiamide was eluted with 20 m L of a methanol/acetonitrile mixture(V/V = 2:3), followed by pre-concentration using nitrogen evaporation and analysis with high performance liquid chromatography–ultraviolet spectroscopy(HPLC–UV). Sample extraction was carried out using a Waters Sep-Pak AC-2 Cartridge(with activated carbon).Separation was achieved on a ZIC-Hydrophilic Interaction Liquid Chromatography(ZIC-HILIC)(50 mm × 2.1 mm, 3.5 μm) chromatography column and quantification was accomplished based on UV absorbance. A reliable linear relationship was obtained for the calibration curve using standard solutions(R2> 0.999). Recoveries for dicyandiamide ranged from 84.6% to 96.8%, and the relative standard deviations(RSDs, n = 3) were below 6.1% with a detection limit of 5.0 ng/m L for stream water samples. | Huidong Qiu Dongdi Sun Sameera R.Gunatilake Jinyan She Todd E.Mlsna | 2015 | Journal of Environmental Sciences2015,27,9: | 2 |
| 6 | Multiferroic based reddish brown pigments:Bi1-xMxFe O3(M=Y and La)for coloring applications显示文摘 | JAMES V PRABHAKAR R P SAMEERA S | 2014 | Ceram Int2014,,40: | 1 |
| 7 | Seropositivity and Coinfection of Hepatitis B and C among Patients Seeking Hospital Care in Islamabad, Pakistan显示文摘 | Jafar Khan Mehwish Shafiq Sameera Mushtaq Sultan Ayaz Riaz Ullah Naser M. AbdEI-Salam H. Fouad Mohammad Abdul Wasim Giulia Morsica | 2014 | BioMed Research International2014,,: | 1 |
| 8 | Influence of ( Li La) 1/2Mo O4substitution on the pigmentary properties of Bi VO4显示文摘 | Sameera S Prabhakar Rao P James V | 2014 | Dyes and Pigments2014,104,: | 1 |
| 9 | Viral and non-viral risk factors for non-Hodgkin’s lymphoma in Egypt: heterogeneity by histological and immunological subtypes显示文摘 | Lenka Goldman Sameera Ezzat Nadia Mokhtar Amany Abdel-Hamid Nathan Fowler Iman Gouda Soheir Abdel Latif Eissa Mohamed Abdel-Hamid Christopher A. Loffredo | 2009 | Cancer Causes & Control2009,,6: | 1 |
| 10 | Role of WO 3 on DC conductivity and some optical properties of TeO 2 based glasses显示文摘 | G. Upender Ch. Sameera Devi V. Chandra Mouli | 2012 | Materials Research Bulletin2012,,11: | 1 |
| 11 | Chemo-, regio-, and stereoselective silver-catalyzed aziridina- tion of dienes : Scope, mechanistic studies, and ring-o- pening reactions显示文摘 | Ilaveria J Beltr6n Sameera W M C | 2014 | Journal of the American Chemi- cal Society2014,136,: | 1 |
| 12 | Attenuation of conductance in cobalt extended metal atom chains 显示文摘 | GEORGIE V P SAMEERA W M C MCGRADY J E | 2012 | Journal of Physical Chemistry C2012,116,20: | 1 |
| 13 | Surprising dependence on post-segregational killing of host cells for maintenance of the large virulence plasmid of Shigella flexneri显示文摘 | Sameera S | 2005 | Journal of bacteriology2005,187,8: | 1 |
| 14 | Associations of pesticides, HCV, HBV, and hepatocellular carcinoma in Egypt显示文摘 | Sameera Ezzat Mohamed Abdel-Hamid Soheir Abdel-Latif Eissa Nadia Mokhtar Nargis Albert Labib Laila El-Ghorory Nabiel Nasmi Mikhail Amany Abdel-Hamid Tamer Hifnawy G. Thomas Strickland Christopher A. Loffredo | 2005 | International Journal of Hygiene and Environmental Health2005,,5: | 1 |
| 15 | Surprising dependence on post-seg-regational killing of host cells for maintenance of thelarge virulence plasmid of Shigella flexneri显示文摘 | Sameera Sayeed | 2005 | Jour-nal of Bacteriology2005,187,8: | 1 |
| 16 | Estrogen exposure and bladder cancer risk in Egyptian women显示文摘 | Beverly J. Wolpert Sania Amr Sameera Ezzat Doa’a Saleh Iman Gouda Iman Loay Tamer Hifnawy Nabiel N. Mikhail Mohamed Abdel-Hamid Min Zhan Yun-Ling Zheng Katherine Squibb Mohamed A. Abdel-Aziz Mohamed Zaghloul Hussein Khaled Christopher A. Loffredo | 2010 | Maturitas2010,,4: | 1 |
| 17 | Prevalence, character- istics, and impacts of work-related musculoskeletal disorders: a survey among physical therapists in the State of Kuwait 显示文摘 | Hesham NA Talal AA Sameera HA | 2010 | BMC Musculoskel Dis2010,11,1: | 1 |
| 18 | Urinary cystatin C:pediatric reference intervals and comparative assessment as a biomarker of renal injury among children in the regions with high burden of CKDu in Sri Lanka显示文摘Background Cystatin C(Cys-C)is an emerging biomarker of renal diseases and its clinical use,particularly for screening the communities affected by chronic kidney disease of unknown etiology(CKDu),is hindered due to the lack of reference intervals(RIs)for diverse ethnic and age groups.The present study aimed to define RIs for urinary Cys-C(uCys-C)for a healthy pediatric population in Sri Lanka and in turn compare the renal function of the residential children in CKDu endemic and non-endemic regions in Sri Lanka.Methods A cross-sectional study was conducted with 850 healthy children(10-17 years)from selected locations for reference interval establishment,while a total of 892 children were recruited for the comparative study.Urine samples were collected and analyzed for Cys-C,creatinine(Cr)and albumin.Cr-adjusted uCys-C levels were partitioned by age,and RIs were determined with quantile regression(2.5th,50th and 97.5th quantiles)at 90%confidence interval.Results The range of median RIs for uCys-C in healthy children was 45.94-64.44 ng/mg Cr for boys and 53.58-69.97 ng/mg Cr for girls.The median(interquartile range)uCys-C levels of children in the CKDu endemic and non-endemic regions were 58.18(21.8-141.9)and 58.31(23.9-155.3)ng/mg Cr with no significant difference(P=0.781).A significant variation of uCys-C was noted in the children across age.Conclusions Notably high uCys-C levels were observed in children with elevated proteinuria.Thus,uCys-C could be a potential biomarker in identifying communities at high risk of CKDu susceptibility. | Patabandi Maddumage Mihiri Ayesha Sandamini Pallage Mangala Chathura Surendra De Silva Thibbotuwa Deniya Kankanamge Sameera Chathuranga Gunasekara Sakuntha Dewaka Gunarathna Ranawake Arachchige Isini Pinipa Chula Herath Sudheera Sammanthi Jayasinghe Ediriweera Patabandi Saman Chandana Nishad Jayasundara | 2022 | World Journal of Pediatrics2022,18,3: | 1 |
| 19 | Epsion-toxin is required for most Clostridium perfringens type D vegetative culture supernatants to cause lethality in the mouse intravenous injection model 显示文摘 | Sameera S Fernandez Miyakawa M E | 2005 | Infect Immun2005,73,11: | 1 |
| 20 | Development and Ap- plication of an Oral Challenge Mouse Model for Studying Clos- tridium perfringens Type D Infection 显示文摘 | Fernandez-Miyakawa Sameera Sayeed | 2007 | Infection and Immu- nity2007,75,9: | 1 |