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Antisolvent Precipitation and Stabilization of Azithromycin Nanoparticles in Aqueous Suspension with Phase Transition by Ultrasonic Waves 相变水悬浮液中阿奇霉素纳米颗粒的超声抗溶剂沉淀及稳定性研究
Materials Focus Pub Date : 2018-08-01 DOI: 10.1166/MAT.2018.1532
M. Hosseini, M. Pourjavid, A. Monji
{"title":"Antisolvent Precipitation and Stabilization of Azithromycin Nanoparticles in Aqueous Suspension with Phase Transition by Ultrasonic Waves","authors":"M. Hosseini, M. Pourjavid, A. Monji","doi":"10.1166/MAT.2018.1532","DOIUrl":"https://doi.org/10.1166/MAT.2018.1532","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"70 3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76251730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Production of Biodiesel from Soybean Oil Using Calcium Oxide and Cow Bone as Catalysts 以氧化钙和牛骨为催化剂以大豆油为原料制备生物柴油
Materials Focus Pub Date : 2018-08-01 DOI: 10.1166/MAT.2018.1530
A. Ayoola, Igho E. Blessing, R. Babalola, M. Ojewumi, A. Ogunbiyi, O. Abatan, O. Fayomi
{"title":"Production of Biodiesel from Soybean Oil Using Calcium Oxide and Cow Bone as Catalysts","authors":"A. Ayoola, Igho E. Blessing, R. Babalola, M. Ojewumi, A. Ogunbiyi, O. Abatan, O. Fayomi","doi":"10.1166/MAT.2018.1530","DOIUrl":"https://doi.org/10.1166/MAT.2018.1530","url":null,"abstract":"Biodiesel was produced from the transesterification of soybean oil using calcium oxide and cow bone (an animal waste bone that contains hydroxyapatite, a calcium phosphate mineral) as heterogeneous catalysts. The soybean oil used was characterized using gas chromatography mass spectrometer (GCMS) and the cow bone catalyst produced was characterized using X-ray diffractometer (XRD) and X-ray fluorescence (XRF) spectrometer. The effects of the variation of methanol/oil mole ratio (9–15), catalyst concentration (10–20 wt/wt%) and reaction temperature (55–65 °C) on biodiesel yield during the transesterification of soybean oil with methanol was investigated. Reaction time of 3 hours and stirring rate of 500 rpm were kept constant. It was observed that the calcination of cow bone catalyst (at 800 °C) enhanced its conversion to apatite [Ca5(PO4)3OH] and increased the yield of biodiesel obtained. Biodiesel yield results revealed an optimum condition of methanol/oil mole ratio of 9, catalyst concentration of 15 wt/wt% and reaction temperature of 55 °C. Also, the results obtained showed that the performance trends of the two catalysts used were similar. And the close values of highest biodiesel yields obtained when the two heterogenous catalysts were used separately (yields of 94.8 and 92.2% using calcium oxide and calcined cow bone catalysts respectively) implies that the use of low-cost and readily available calcined cow bone catalyst is a promising alternative to CaO catalyst.","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72959169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Anti-Corrosion and High Temperature Thermal Treatment of SiO2 Crystal Induced on Zinc Electrolyte on Mild Steel 低碳钢上锌电解液诱导SiO2晶体的防腐及高温热处理
Materials Focus Pub Date : 2018-08-01 DOI: 10.1166/MAT.2018.1543
A. Ayoola, O. Fayomi, A. Popoola
{"title":"Anti-Corrosion and High Temperature Thermal Treatment of SiO2 Crystal Induced on Zinc Electrolyte on Mild Steel","authors":"A. Ayoola, O. Fayomi, A. Popoola","doi":"10.1166/MAT.2018.1543","DOIUrl":"https://doi.org/10.1166/MAT.2018.1543","url":null,"abstract":"The effects of SiO2 nanoparticles on the electroplating of Zn–Nb2O5 coatings of mild steel were considered in this research work. The hardness performance and corrosion resistance of the coated samples were analysed using Emco-test microhardness tester and Autolab PGSTAT 101 Metrohmpotentiostat/galvanostat. The results of the research showed that Zn–10Nb2O5–SiO2 coatings displayed preferable hardness property and corrosion resistance compared to Zn–10Nb2O5 coating. Also, the incremental addition of SiO2 nanoparticles improved the hardness behaviour and corrosion resistance of Zn–10Nb2O5 coatings.","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"152 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79677835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elaboration and Characterization of Cu2ZnSnS4 (CZTS) Absorber Layer by Sol Gel Method for Solar Cells Applications 太阳能电池用Cu2ZnSnS4 (CZTS)吸收层溶胶-凝胶法制备及表征
Materials Focus Pub Date : 2018-08-01 DOI: 10.1166/mat.2018.1547
A. Ziti, B. Hartiti, H. Labrim, S. Fadili, A. Ridah, S. B. Mari, M. Mollar, P. Thevenin
{"title":"Elaboration and Characterization of Cu2ZnSnS4 (CZTS) Absorber Layer by Sol Gel Method for Solar Cells Applications","authors":"A. Ziti, B. Hartiti, H. Labrim, S. Fadili, A. Ridah, S. B. Mari, M. Mollar, P. Thevenin","doi":"10.1166/mat.2018.1547","DOIUrl":"https://doi.org/10.1166/mat.2018.1547","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"24 1","pages":"473-479"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78235624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dry Friction and Wear Characteristics of Some Reactive Elements—Doped Niobium Carbide Coatings 某些活性元素掺杂碳化铌涂层的干摩擦磨损特性
Materials Focus Pub Date : 2018-08-01 DOI: 10.1166/MAT.2018.1529
E. Abakay, M. Durmaz, Ş. Şen, U. Şen
{"title":"Dry Friction and Wear Characteristics of Some Reactive Elements—Doped Niobium Carbide Coatings","authors":"E. Abakay, M. Durmaz, Ş. Şen, U. Şen","doi":"10.1166/MAT.2018.1529","DOIUrl":"https://doi.org/10.1166/MAT.2018.1529","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88202513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fabrication and Characterization of Modified Fluorescent Glass-Ceramics Composite from Waste Materials 废材料改性荧光玻璃-陶瓷复合材料的制备与表征
Materials Focus Pub Date : 2018-08-01 DOI: 10.1166/MAT.2018.1534
R. Nnaji, J. Agunsoye, M. A. Bodude, O. Fayomi, I. Talabi
{"title":"Fabrication and Characterization of Modified Fluorescent Glass-Ceramics Composite from Waste Materials","authors":"R. Nnaji, J. Agunsoye, M. A. Bodude, O. Fayomi, I. Talabi","doi":"10.1166/MAT.2018.1534","DOIUrl":"https://doi.org/10.1166/MAT.2018.1534","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83622386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genesis of Rhombohedral Structures and Mode of Polytype Transformations in Close Packing of Identical Atoms 相同原子紧密堆积中菱形体结构的成因及多型变换模式
Materials Focus Pub Date : 2018-06-01 DOI: 10.1166/MAT.2018.1524
M. Wahab, Khurram Mujtaba Wahab
{"title":"Genesis of Rhombohedral Structures and Mode of Polytype Transformations in Close Packing of Identical Atoms","authors":"M. Wahab, Khurram Mujtaba Wahab","doi":"10.1166/MAT.2018.1524","DOIUrl":"https://doi.org/10.1166/MAT.2018.1524","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81548684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Growth and Characterization of CuInS2 Thin Films for Photovoltaic Applications 光电应用中CuInS2薄膜的生长与表征
Materials Focus Pub Date : 2018-06-01 DOI: 10.1166/MAT.2018.1516
A. Kotbi, B. Hartiti, S. Fadili, A. Ridah, P. Thevenin
{"title":"Growth and Characterization of CuInS2 Thin Films for Photovoltaic Applications","authors":"A. Kotbi, B. Hartiti, S. Fadili, A. Ridah, P. Thevenin","doi":"10.1166/MAT.2018.1516","DOIUrl":"https://doi.org/10.1166/MAT.2018.1516","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"69 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84232563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemical Study of Galvanostatistically Deposited Cr2O3 Thin Film for Supercapacitor 电流统计沉积Cr2O3超级电容器薄膜的电化学研究
Materials Focus Pub Date : 2018-06-01 DOI: 10.1166/MAT.2018.1508
P. M. Kharade, A. R. Babar, S. S. Dhasade, B. Karche, D. J. Salunkhe
{"title":"Electrochemical Study of Galvanostatistically Deposited Cr2O3 Thin Film for Supercapacitor","authors":"P. M. Kharade, A. R. Babar, S. S. Dhasade, B. Karche, D. J. Salunkhe","doi":"10.1166/MAT.2018.1508","DOIUrl":"https://doi.org/10.1166/MAT.2018.1508","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"139 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86577560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Quantitative Evolution of Wetting Phenomena for Super Hydrophobic Surfaces 超疏水表面润湿现象的定量演化
Materials Focus Pub Date : 2018-06-01 DOI: 10.1166/MAT.2018.1509
S. Padhi, S. Gosavi, Ramdayal Yadav, B. Kandasubramanian
{"title":"Quantitative Evolution of Wetting Phenomena for Super Hydrophobic Surfaces","authors":"S. Padhi, S. Gosavi, Ramdayal Yadav, B. Kandasubramanian","doi":"10.1166/MAT.2018.1509","DOIUrl":"https://doi.org/10.1166/MAT.2018.1509","url":null,"abstract":"","PeriodicalId":18271,"journal":{"name":"Materials Focus","volume":"81 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83138829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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