Báo cáo hóa học: " Preparation of Ultrafine Fe–Pt Alloy and Au Nanoparticle Colloids by KrF Excimer Laser Solution Photolysis" docx
Báo cáo hóa học: " Preparation of Ultrafine Fe–Pt Alloy and Au Nanoparticle Colloids by KrF Excimer Laser Solution Photolysis" docx
... to the authors 2009Abstract We prepared ultrafine Fe–Pt alloy nanoparticle colloids by UV laser solution photolysis (KrF excimer laser of 248 nm wavelength) using precursors of methanolsolutions ... W)Nanoscale Res Lett (2009) 4:565–573 571123NANO EXPRESS Preparation of Ultrafine Fe–Pt Alloy and Au Nanoparticle Colloids by KrF Excimer Laser Solution PhotolysisMasato Watanabe Æ Hitoshi Takamura ... isdominated mainly by the steric hinderance of PVP dis-persant as described in the section ‘ Fe–Pt nanoparticles’’.Conclusion Fe–Pt and Au nanoparticles were prepared by KrF excimer laser solution photolysis....
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Báo cáo hóa học: "Preparation of Aligned Ultra-long and Diameter-controlled Silicon Oxide Nanotubes by Plasma Enhanced Chemical Vapor Deposition Using Electrospun PVP Nanofiber Template" potx
... diameter of nanotubes can be controlled by simply baking electrospun PVP fibers. Although the innerdiameter of the nanotubes can also be tuned by control of the diameter of template fiber by simply ... diameter of the tubes is governed by the thickness of the tube wall controlled by the CVDconditions (in particular by the coating time), whereas theinner diameter is controlled by the size of the ... innerdiameter and wall thickness of nanotubes were con-trolled,respectively, by baking the electrospun PVPnanofibers and by coating time without sacrificing theorientation degree and the length of arrays....
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Báo cáo hóa học: " Preparation of Pt Ag alloy nanoisland/graphene hybrid composites and its high stability and catalytic activity in methanol electro-oxidation" potx
... va lue. Thezeta potential data of Au NRs and Au@ PtAg NRs were,respectively, 30.4 and 44.8 mV, because of double-layeradsorption of CTAB. The larger value of Au@ PtAg NRswas consistent with ... theelectrocatalytic activity of various graphene /Au@ PtAgNRs hybrids materials for the oxidation of methanol.Three samples of Au@ PtAg all oy nanorods and onesample of Au@ Pt n anorods were used ... rate of 50 mV s-1.Results and discussionCharacterization of Pt Ag alloy nanoisland/graphenehybrid compositesFigure 1 shows the SEM images of graphenes, EDXspectra of graphene oxide (GO), and...
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Báo cáo hóa học: " Preparation of monolayers of [MnIII6CrIII]3+ singlemolecule magnets on HOPG, mica and silicon surfaces and characterization by means of noncontact AFM" pptx
... NANO EXPRESS Open Access Preparation of monolayers of [MnIII6CrIII]3+single-molecule magnets on HOPG, mica and siliconsurfaces and characterization by means of non-contact AFMAaron ... Themain subject of investigation was how the anions and substrates influence the emerging surface topology during and after the preparation. Regarding HOPG and SiO2, flat island-like and hemispheric-shaped ... explained by a neutralization of charge of [MnIII6CrIII]3+caused by the mirror-charge effect in thefirst layer but by anions in the other ones (Figure 10c).Mica on the other hand is an...
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Báo cáo hóa học: " Preparation of Highly Crystalline TiO2 Nanostructures by Acid-assisted Hydrothermal Treatment of " ppt
... content of anatase decreased and the content of rutile increased in the range of 1–5 M HCl solutions. Amaximum of content of rutile can be obtained in the 5 MHCl solutions. Then the content of anatase ... nano-particles and aligned nanorods. The lattice images of nanoparticles and nanorods were clearly observed, whichindicated that these nanoparticles and nanorods had highdegrees of crystallinity and phase ... dispersed in30 mL of the HCl aqueous solutions with stirring for 0.5 h, and then transferred into 50-mL container of a Teflon-linedstainless steel autoclave. The autoclave was heated and maintained...
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báo cáo hóa học:" Preparation of TiO2 nanotube/nanoparticle composite particles and their applications in dye-sensitized solar cells" doc
... of dye adsorption on TiO2 in the form of nanorods and nanotubes is expected because of the high surface area of these nanostructures. It is expected that the photoelectrical performance of ... interests The authors declare that they have no competing interests. Authors' contributions HWC and CHL presided over and fully participated in all of the work. HWC and CHL conceived and designed ... 2Results and discussions Morphological characterization of TiO2 film Figure 1a shows the XRD pattern of the sol-gel TiO2 nanoparticles at 450°C, which indicates a mixture of the anatase and...
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Báo cáo hóa học: " Preparation of Fe3O4 Spherical Nanoporous Particles Facilitated by Polyethylene Glycol 4000" docx
... theabsence of an external magnetic field. The bulk phaseMo¨ssbauer spectrum of Fe3O4is composed of two sets of magnetic sextets at room temperature [26]. The spectrum of our sample is composed of ... in the presence of polymer PEG 4000 by thermaldecomposition of iron acetylacetonate. The morphology of product can be tuned by the amount of PEG 4000. When theconcentration of PEG 4000 is decreased, ... shows the expected presence of Fe and O.Element analysis (inset table in Fig. 2c) shows the ratio of Fe to O is very close to the standard value of Fe3O4. High-resolution transmission electron...
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Báo cáo hóa học: " Preparation of Pectin–ZnO Nanocomposite" pdf
... pair of electrons. Thismakes the dehydration of zinc hydroxide quite quickly atlow temperature and facilitates the production of ZnOnanoparticles. Due to the high polarity of water, ZnOnanoparticles ... that of the pectin [15]. The peak at 1030 cm-1is assigned toC=O or C=C double bond of pectin. The absorption peaksat 1388 and 1633 cm-1are related to stretching bands of COO-groups of pectin. ... peak of ZnO, originating from stretching mode of the Zn–O bond [14]. The remaining peaks in pectin–ZnO composite are induced by pectin, which is confirmed by comparing of the IR spectrum of the...
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báo cáo hóa học:" Summary of the primer on tumor immunology and the biological therapy of cancer" ppt
... Activation of vas-culature in tumors, extravasation and proliferation of Tcells, and increased ratios of Teff/Treg and IFN-γ/IL-10were discovered to be the mechanisms of anti-tumoreffects of CTLA-4 ... formation and maintenance of tumorvasculature and the progression of cancer. VEGF and PDGF bind their corresponding receptors to trigger recep-tor autophosphorylation and the initiation of down-stream ... processes. The ligation of VEGFR-2 by the majority of VEGF isoforms triggers the proliferation,migration and survival of endothelial cells, which intumors form the framework of immature new neoplasticvessels....
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báo cáo hóa học: " Mechanisms of human cerebellar dysmetria: experimental evidence and current conceptual bases" potx
... of the posterior inferior region of the cerebellum do not cause any overshoot in grip forcenor a lack of coordination between grip and load forceprofiles. The progressive and general loss of ... synchronization, maintenance of sensorimotor associations and tuning of the magnitudes of muscle activities. An overview of recent advances in our u nderstandi ng of the contribution of cerebellar circuitry ... arole of state estimator. Premotor cortex and motor cortex transforms predictions into sets of motoneur onal discharges,encoding for force and direction of movement.Journal of NeuroEngineering and...
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Từ khóa: Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roBT Tieng anh 6 UNIT 2Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ