Core−Shell chitosan microcapsules for programmed sequential

... Highly selective fluorescent chemosensor for Zn2+ derived from inorganic-organic hybrid magnetic core/shell Fe3O4@SiO2 nanoparticles Yujiao Wang1, Xiaohong ... functionalized magnetic core/shell Fe3O4@SiO2 NPs (DTH -Fe3O4@SiO2 NPs) which could act as a new type of fluorescent chemosensor for efficient sensing and separation of Zn2+ in ethanol The inor...

Ngày tải lên: 20/06/2014, 20:20

... this article as: Yu et al.: A cylindrical core-shell-like TiO2 nanotube array anode for flexible fiber-type dye-sensitized solar cells Nanoscale Research Letters 2011 6:94 Submit your manuscript ... Tang Y, Zou D: Wire-Shaped Flexible Dye-Sensitized Solar Cells Adv Mater 2008, 20:592 Unalan HE, Wei D, Suzuki K, Dalal S, Hiralal P, Matsumoto H, Imaizumi S, Minagaw...

Ngày tải lên: 21/06/2014, 06:20

... shifts during the formation of CdSe shells were calculated, and they exhibited a good fit to the experimental data The stability of PbSe QDs was dramatically improved by the formation of CdSe shells ... photoluminescence spectra of the PbSe/CdSe QDs upon the series growth of three monolayers of CdSe shells on the 4.8 nm PbSe cores The thickness of each shell is 0.35 nm A...

Ngày tải lên: 21/06/2014, 17:20

... Highly selective fluorescent chemosensor for Zn2+ derived from inorganic-organic hybrid magnetic core/shell Fe3O4@SiO2 nanoparticles Yujiao Wang1, Xiaohong ... functionalized magnetic core/shell Fe3O4@SiO2 NPs (DTH -Fe3O4@SiO2 NPs) which could act as a new type of fluorescent chemosensor for efficient sensing and separation of Zn2+ in ethanol The inor...

Ngày tải lên: 21/06/2014, 17:20

... DEVELOPMENT OF SELF- ASSEMBLY TEMPLATING METHODS FOR ARCHITECTURE OF POROUS CORE- SHELL NANOCOMPOSITES WANG DANPING (B.Sc, Xi’an Jiaotong University, China) A THESIS SUBMITTED FOR THE DEGREE OF ... growth of core- shell nanocomposites with unique structures Figure 2-13 TEM images of (a) self- assembled Ni@SiO2 core- shell nano-necklace, Ni@SiO2 yolk -s...

Ngày tải lên: 11/09/2015, 09:57

... resulting in fabrication of novel core- shell materials The objective of this work is therefore to study and perform the organic phase fabrication of core- shell materials for encapsulation of biomolecules ... for organic phase fabrication of core- shell materials; 3) Organic phase fabrication of hydrogel core- shell materials; 4)...

Ngày tải lên: 11/09/2015, 10:15

... the drug and the core- forming segment cholesterol The drug- loaded micelles had suitable size for in vivo application and high zeta potential for DNA binding 5. 1.4 DNA binding ability 182 The DNA ... size of about 10 to 20 nm However, the conjugation of PEG could improve the stability of the micelles, which were designed for systemic delivery of drug and/ or...

Ngày tải lên: 16/09/2015, 15:54

... in Figure 4. 31 and Figure 4. 32 From Figure 4. 31, the CMC (I1/I3) of PEG5000-P(MDS-co-CES) in deionized water, the acetate buffer (0.02M) with pH of 5.6 and 4. 6 was 42 .7, 74. 7 and 74. 3 mg/L respectively ... encapsulation efficiency of indomethacin was 44 .8%, 48 .4% and 58.2%, and the drug loading was 10.6%, 11 .4% and 13 .4% when the micelles were fabricated...

Ngày tải lên: 16/09/2015, 15:54

... set at 4.5 nm The ratios of the peak intensities at 33 8 nm and 33 3 nm (I 338 /I 333 ) from the excitation spectra and I3 (the third peak at 38 5nm)/I1 (the first peak at 48 37 4nm) from the emission ... emission spectra (λex =33 9 nm) of pyrene and the I 338 /I 333 ratio from the excitation spectra (λem =39 5nm) of pyrene change with changing the polarity of the microenvir...

Ngày tải lên: 16/09/2015, 15:54

... exhibit a number of advantages over other forms of drug carriers because of their core- shell structure, low CMC and targeting ability 2. 1.4.1 Core of polymeric micelles as a reservoir for hydrophobic ... structure of the drug and polymer, temperature and pH For example, an increase in the length of a hydrophobic segment of polymer facilitates the entrapment...

Ngày tải lên: 16/09/2015, 15:54

... ability of the blank and drug- loaded core- shell nanoparticles, and structural integrity of core- shell nanoparticles during the DNA binding process, • Testing cytotoxicity of the core- shell nanoparticles ... charged shell for DNA binding By using this system, codelivery of DNA and drug can be achieved In addition, due to the unique core- shell...

Ngày tải lên: 16/09/2015, 15:54

... next sections, we build three methods for transforming sequential processes into concurrent ones First of all, we formalize concurrent steps on the net system 1.2 Concurrent steps on a net system ... Thanh, “Shift-left” Algorithms Transforming Sequential Processes into Concurrent Ones, Proceedings of the Second National Symposium “Fundamental and Applied Informa...

Ngày tải lên: 14/03/2014, 13:20

... district’s implementation of the Core Curriculum Content Standards in Comprehensive Health and Physical Education, and the comprehensive health and physical education curriculum framework shall provide ... district’s implementation of the Core Curriculum Content Standards in Comprehensive Health and Physical Education, and the comprehensive...

Ngày tải lên: 14/03/2014, 20:20

... 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...

Ngày tải lên: 16/03/2014, 15:06

... annealing and (b) after annealing two emission bands around 550 and 600 nm, as indicated in Fig 5a Each nanowire consists of a crystalline Si core and an amorphous SiOx shell The core and shell both ... crystalline silicon self-assembly Under the 488 nm excitation of an Arþ laser, the PL of the Si/ SiOx nanowires corresponds to Fig Photoluminescence spectra for...

Ngày tải lên: 16/03/2014, 15:08