Synthesis of water soluble bimetallic nanoclusters with multifunctionalities

... SYNTHESIS OF WATER- SOLUBLE BIMETALLIC NANOCLUSTERS WITH MULTIFUNCTIONALITIES DOU XINYUE (B.Eng Shandong University of Technology, China) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... illustration of (a) one-step and (b) two-step synthesis of bi-MNCs 1.2.1 One-Step or Co-Reduction Synthesis of Bi-MNCs When discussing the historical evolution of one-step synthesis of biMNCs, ... attempt in synthesizing water- soluble and atomically precise bi-MNCs, let alone engineering the surface functionalities of biMNC’s ligand shell Moreover, synthesis of water- soluble and highly luminescent...

Synthesis of water soluble superparamagnetic nanocomposites for biomedical applications

... SYNTHESIS OF WATER SOLUBLE SUPERPARAMAGNETIC NANOCOMPOSITES FOR BIOMEDICAL APPLICATIONS Erwin (B Eng., HONS.), NUS A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY (PH.D) ... 5.3.1 Synthesis and Characterization of MFNPs 131 5.3.2 Synthesis and Characterization of PMAO-g-PEG 133 5.3.3 Formation of Water Soluble MFNCs: Tuning the MFNPs Core 139 5.3.4 Formation ... Characterization of MFNPs 174 6.3.2 Preparation of Nano-size Graphene Oxide 176 6.3.3 Preparation of Amphiphilic Graphene Oxide (GO-g-OAM) 178 6.3.4 Formation of water soluble MFNPs/GO Nanocomposites...

synthesis and optical properties of au-ag alloy nanoclusters with controlled composition, p26

... Biosynthesis of Bimetallic Au-Ag Alloy Nanoparticles”, Small, Vol 1, pp 517-520, 2005 [25 P Raveendran, J Fu, and S L Wallen, “A simple and green method for the synthesis of Au, Ag, and Au–Ag alloy ... Figure Calculated optical absorption spectra for Au-Ag bimetallic colloidal solutions with different molar ratios of Au and Ag Conclusions Au-Ag nanoclusters of solid-solution alloy type could ... spectra of the colloidal samples (prepared with second set of metal ion solutions) with nominal molar ratio a) Au/Ag = 1/1 and b) Au/Ag = 3/1 Calculated optical absorption spectra of the colloids with...

Báo cáo hóa học: " Interaction of Water-Soluble CdTe Quantum Dots with Bovine Serum Albumin" ppt

... Poderys et al.: Interaction of Water-Soluble CdTe Quantum Dots with Bovine Serum Albumin Nanoscale Res Lett 2011 6:9 Conclusions This study showed that water-soluble CdTe TGA quantum dots in aqueous ... protein quantum dots aggregate (Figure 4a–d) AFM image of quantum dots, deposited from solution that Figure AFM (a, b, c, e) and STEM (d, f) images of CdTe quantum dots a–c AFM images of quantum dots ... photoluminescence band peak of quantum dots solution is at 550 nm Titration of freshly prepared quantum dots solution with BSA showed that addition of protein to CdTe quantum dots solution increases...

Synthesis, characterization and fluorescence quenching of water soluble cationic conjugated polymers

... Engineering (IMRE) Thesis Title: SYNTHESIS, CHARACTERIZATION AND FLUORESCENCE QUENCHING OF WATER- SOLUBLE CATIONIC CONJUGATED POLYMERS Abstract Water- soluble conjugated polyelectrolytes have attracted ... SYNTHESIS, CHARACTERIZATION AND FLUORESCENCE QUENCHING OF WATER- SOLUBLE CATIONIC CONJUGATED POLYMERS FAN QULI (MSc Nanjing Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... was to syntheses and characterization of novel water- soluble conjugated polyelectrolytes and to study the structure -quenching and environment -quenching relationship of those conjugated polyelectrolytes...

synthesis of bundled tungsten oxide nanowires with controllable morphology

... and (b) HRTEM images of bundled tungsten oxide nanowires synthesized at a concentration of 0.003 M; (c) TEM of bundled tungsten oxide nanowires synthesized at a concentration of 0.005 M Inset in ... supersaturation of the tungsten source, promoting the growth of tungsten oxide nanowires [11] At higher concentration, the highly saturated WCl6 could prohibit the growth of tungsten oxide nanowires ... to 0.21 cc/g) with increasing concentration, which in turn resulted in the decreased specific surface area Conclusion In summary, bundled tungsten oxide nanowires with controllable morphology were...

Báo cáo hóa học: " Microwave-assisted synthesis of water-dispersed CdTe/CdSe core/shell type II quantum dots" pdf

... for CdTe/CdSe core/shell type II heterostructures (b) XRD patterns of CdTe and CdTe/CdSe core/shell QDs via microwave-assisted synthesis The black bars at the bottom represent the XRD pattern of ... http://www.nanoscalereslett.com/content/6/1/399 Page of Figure Optical performance of CdTe cores and corresponding CdTe/CdSe type II QDs by means of microwave-assisted synthesis The optical performance of a series of original CdTe ... 2007, 111:6538-6543 Xia YS, Zhu CQ: Aqueous synthesis of type- II core/shell CdTe/CdSe quantum dots for near-infrared fluorescent sensing of copper (II) Analyst 2008, 133:928-932 Zeng RS, Zhang...

Báo cáo hóa học: " A Facile Synthesis of Polypyrrole/Carbon Nanotube Composites with Ultrathin, Uniform and Thickness-Tunable Polypyrrole Shells" ppt

... doi:10.1186/1556-276X-6-431 Cite this article as: Zhang et al.: A Facile Synthesis of Polypyrrole/ Carbon Nanotube Composites with Ultrathin, Uniform and ThicknessTunable Polypyrrole Shells Nanoscale Research Letters ... Endo M, Kim YA, Ezaka M, Osada K, Yanagisawa T, Hayashi T, Terrones M, Dresselhaus MS: Selective and efficient impregnation of metal nanoparticles on cup-stacked-type carbon nanofibers Nano Lett ... http://www.nanoscalereslett.com/content/6/1/431 be smooth and uniform, and no agglomerations or irregular nanoparticles of polymer are found The various ratio of ethanol and acid solution as the reaction...

Báo cáo hóa học: "Synthesis of YVO4:Eu3+/YBO3 Heteronanostructures with Enhanced Photoluminescence Properties" pptx

... phosphors with core/shell heterostructures The YBO3 shell ratio is a critical factor in photoluminescence enhancement of the heteronanostructures Figure shows the plot of change of PL intensity of the ... image of a single particle of the heteronanostructures (SR = 1/2) Interestingly, two lattice fringes of different spacing appear in a single nanoparticle The lattice fringes with a d-spacing of ... efﬁciency of the heteronanostructures When SR = 1/7, the heteronanostructures exhibit the highest PL efﬁciency, whose photoluminescence intensity of the D0–7F2 emission is 27% higher than that of the...

Báo cáo hóa học: " Synthesis of Polymer Grafted Magnetite Nanoparticle with the Highest Grafting Density via Controlled Radical Polymerization" docx

... surface coating of the polymer chains on the surface of the particles The thickness of the grafted polymer layer increases with increasing polymerization time for a controlled radical polymerization, ... enabling the facile synthesis of a wide variety of hybrid materials [34, 37] The synthesis of polystyrene grafted MN nanoparticles, without the addition of sacriﬁcial initiator is reported in the ... which indicated that the molecular weight of the degrafted PS on the surfaces of magnetite can be controlled relatively by the ATRP approach On the other hand, the PDI of the degrafted PS is considerably...

Báo cáo hóa học: " Simple Systematic Synthesis of Periodic Mesoporous Organosilica Nanoparticles with Adjustable Aspect Ratios" pot

... cases Recently, we described the ﬁrst example of a periodic mesoporous organosilica with very uniform riceshaped nanoparticles having aspect ratios of ca 3:1 The PMO was prepared using the organosilane ... formation of the one-dimensional periodic mesoporous organosilica particles The concentration dependence of the aspect ratio becomes plausible when considering that the nucleation of new particles ... used for the synthesis of the periodic mesoporous organosilica (PMO) nanostructures Octaethoxy-1,3,5-trisilapentane (Gelest, Inc.) was used as the organosilica source For a typical synthesis, to...

Asymmetric synthesis of furan and oxindole derivatives with bifunctional and multifunctional organic catalysts

... development of asymmetric synthesis of furan and oxindole derivatives with tertiary amine thiourea organocatalysts, including enantioselective synthesis of 3(2H)-furanones and 2,3-dihydrofurans with ... ASYMMETRIC SYNTHESIS OF FURAN AND OXINDOLE DERIVATIVES WITH BIFUNCTIONAL AND MULTIFUNCTIONAL ORGANIC CATALYSTS DOU XIAOWEI (B.Sc., Nanjing Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... derived bifunctional catalysts, asymmetric formation of 3-spirocyclopropyl2-oxindoles and 3-heteroatom-substituted-oxindoles with L-threonine-incorporating multifunctional catalysts, and a quinine-derived...

Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions

... PSM NCD Hand washing with soap before eating Hand washing without soap before eating No hand washing before eating Hand washing after defecation with soap Hand washing after defecation without ... defecating in room Households with children defecating in verandah Households with children defecating in latrine Hygiene practices Hand washing with soap before eating Hand washing without soap ... Accelerated Health Gains from Improved Water Supply, World Health Organization, Geneva Sobsey M D., Handzel T and Venczel L (2003) Chlorination and Safe Storage of Household Drinking water in Developing...

Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles

... surface of the SiNWs Because of the high standard electrode potential of the Au3 + /Au0 couple, Au3 + has high polarization and high chemical reactivity Au3 + could be easily reduced to Au0 in air ... mass-production of highly aligned SiNWs and their core/ shell structures with metal nanoparticles for the future applications in microelectronic and optoelectronic devices Acknowledgements The authors ... pattern reveals its amorphous nature (inset) Fig 3d,e show TEM images of the core/ shell structure of the SiNWs wrapped Au nanoparticles The average particle size of the wrapped Au nanoparticles in...

Synthesis of large scale sic–sio2 nanowires decorated with amorphous carbon nanoparticles and raman and PL properties

... decomposition of ethanol The existence of carbon nanoparticles induced strong carbon- related bands in Raman spectrum The enhancement of blue emission band and a new yellow band were observed from SiC–SiO2 ... content is due to the existence of carbon nanoparticles on the surface of nanowires The existence of carbon nanoparticles on the surface of nanowires is also identiﬁed by Raman measurement as shown ... SiC–SiO2 core–shell nanowires decorated with carbon nanoparticles and considered to relate to the enhancement of oxygen deﬁciency and appearance of carbon- related default level due to carbon diffusion...

Xem thêm

Từ khóa: environmentally benign approach to synthesis of titanium based oxides by use of water soluble titanium complex 02 synthesis characterization and biological applications of water soluble zno quantum dots structure of water soluble titanium complex determination of water soluble meat flavor precursors protective effects of water soluble extract from culture medium of ganoderma lucidum mycelia synthesis of titanium based ceramics using water soluble titanium complex dysphagia a water soluble contrast swallow reveals a massively dilated blind loop with a large deposit of contrast and a very slow passage through the roux loop what is the trend in reactivity of the group 1 elements with water route specific challenges in the delivery of poorly water soluble drugs optimizing the formulation of poorly water soluble drugs injectable formulations of poorly water soluble drugs design and development of self emulsifying lipid formulations for improving oral bioavailability of poorly water soluble and lipophilic drugs emerging technologies to increase the bioavailability of poorly water soluble drugs scientific and regulatory considerations for development and commercialization of poorly water soluble drugs bioassays with plants in the monitoring of water quality Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thống Báo cáo quy trình mua hàng CT CP Công Nghệ NPV Nghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoại Nghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấp Nghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt nam Biện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọ Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDE Trả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Nghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùng Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chế Nghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúng Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Tổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Kiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2 Nguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam