Báo cáo hóa học: " Structure of Unsupported Small Palladium Nanoparticles Weihong Qi Æ Baiyun Huang Æ Mingpu Wang" ppt
Báo cáo hóa học: " Structure of Unsupported Small Palladium Nanoparticles Weihong Qi Æ Baiyun Huang Æ Mingpu Wang" ppt
... (2009) 4:269–273 273123NANO EXPRESS Structure of Unsupported Small Palladium Nanoparticles Weihong Qi Æ Baiyun Huang Æ Mingpu WangReceived: 9 October 2008 / Accepted: 17 December 2008 / Published ... W.H. Qi, B.Y. Huang, M.P. Wang et al., Phys. Lett. A 370, 494(2007). doi:10.1016/j.physleta.2007.06.062Nanoscale Res Lett (2009) 4:269–273 273123NANO EXPRESS Structure of Unsupported Small Palladium ... bulk. To understand the structure of nanoparticles, it is needed to study the structure rigorously.Back to 1995, Lamber et al. [8] reported that the LPs of small Pd particles of 1.4–5 nm decrease...
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Báo cáo hóa học: " Luminescence of colloidal CdSe/ZnS nanoparticles: high sensitivity to solvent phase transitions" ppt
... intentionallyformed on surface of NPs during their synthesis, changesubstantially surface properties of NPs. The formation of ligands is necessary because they prevent the aggregation of colloidal nanoparticles. ... bioconjugation.Another advan tage of ligands is surface passivation, i.e.,reduction of the amount of Cd or Se surface danglingbonds, which creates nonradiative channels of el ectron-hole pair recombination. ... the sur-face of NPs near the melting point.We associate the observed effects with the reconstruc-tion of surface/ligands near the ice/water phase transition.Figure 4 PL FWHM of in-liquid CdSe/ZnS...
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báo cáo hóa học: "Development of an automated speech recognition interface for personal emergency response systems" ppt
... of PERS is a complexprocess of investigating and testing many tools and algo-rithms. The modularity of the code and of the compo-nents used in this study will facilitate the optimisation of the ... combined forthe building and testing of the prototype (Stage 3).Stage 1 – Definition of dialog and dialog implementationTo promote ease of use and compliance, a goal of thisresearch was to design ... Konuma T, Kuwano H, Watanabe Y: A study of the elder speechrecognition. Report of Fall Meeting. The Acoustical Society of Japan 1997, 2:117-118.34. Huang C, Chen T, Chang E: Accent issues in...
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báo cáo hóa học: " Modulation of walking speed by changing optic flow in persons with stroke" ppt
... in Statistica 7.0 ® and the level of significance was set p < 0.05.ResultsExperiment 1Examples of modulation of walking speed in response toan OF of continually changing speed are illustrated ... integration of OF speedinformation could contribute to the difficulty of subjectswith stroke in regulating walking speed. A residual abilityto utilize OF to control the speed of walking, however,would ... manipulates OF parameters to enhance walk-ing ability after stroke.The specific aims of this study were: first, to compare thenon-volitional modulation of walking speed in responseto an OF of variable...
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báo cáo hóa học:" Comparisons of three polyethyleneimine-derived nanoparticles as a gene therapy delivery system for renal cell carcinoma" pot
... were prepared by the reaction of the activatedfolate ester with the amine group on the PEAs.Evaluation of cytotoxicity of three PEI-derived materialsThe cytotoxicity of the three modified PEI-derivedmaterials ... Gou M, Dai M, Li X, Cao M, Huang M, Wen Y, Kan B, Qian Z, Wei Y:Preparation, characterization, and in vitro cytotoxicity study of cationicPCL-pluronic-PCL (PCFC) nanoparticles for gene delivery. ... ratio =7.53 × weight ratio of PEI/DNA [10]. Where N i s thenumber of polymer nitrogen at oms and P is the number of DNA phosphorus atoms. As controls, same quantity(1:1) of 25-kD PEI and GFP was...
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báo cáo hóa học:" Characterisation of parapoxviruses isolated from Norwegian semi-domesticated reindeer (Rangifer tarandus tarandus)" pptx
... adapt to changes of theimmune response of the host [19]. Parapoxvirusreplicated in vitro show rearrangement of the left terminalend of the viral genome, resulting in the deletion of threegenes ... herded over an area of approxi-mately 140.000 km2, which is about 40% of the mainlandarea of Norway. Most reindeer herding is conducted bythe Saami people (indigenous people of Scandinavia),and ... Five µl of the RAPD anal-ysis primer no. 6 (5'- CCCGTCAGCA-3') were added to 19µl of dH2O and 1 µl of template DNA and gently mixed.The following low stringency cycling profile was...
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báo cáo hóa học:" Survey of physician knowledge regarding antiretroviral medications in hospitalized HIV-infected patients" pptx
... including: level of training; cur-rent position; specialization in Infectious Diseases (ID) orHIV; number of years elapsed since residency; number of HIV inpatients seen per month; number of HIV outpa-tients ... ART pre-scribing errors during the hospitalization [3,4].Because of the large number of prescribers, each with a small number of patients, as well as frequently changingregimens, educational ... limitations. First, the small number of participating ID/HIV physicians may not be represent-ative of all HIV specialists. However, there was little varia-tion in the scores of the HIV specialists,...
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báo cáo hóa học: " Validation of a proposed WOMAC short form for patients with hip osteoarthritis" ppt
... number of items [12]. Because of a greater length of the question-naire, it provides a detailed insight of different dimen-sions. However, this might also be a disadvantage,because of reduced ... threshold of 1.3, takinginto account the satisfactory results obtained from therest of analysis, such as PCA of the residuals, the func-tioning of the rating scale categories, the absence of DIFby ... DB: Validation of the short-form WOMAC function scale for the evaluation of osteoarthritis of the knee. J Bone Joint Surg 2007, 89:50-56.15. Kalantar JS, Tally NJ: The effects of lottery incentive...
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Báo cáo hóa học: " Extension of Hu Ke’s inequality and its applications Jing-Feng Tian" pptx
... extension of Hu Ke’s inequality, as follows.Tian Journal of Inequalities and Applications 2011, 2011:77http://www.journalofinequalitiesandapplications.com/content/2011/1/77Page 2 of 14If k ... −12λjnr=1Aλ1r1ernr=1Aλ1r1−nr=1Aλjrjernr=1Aλjrj2.(22)Tian Journal of Inequalities and Applications 2011, 2011:77http://www.journalofinequalitiesandapplications.com/content/2011/1/77Page 8 of 14RESEARCH Open AccessExtension of Hu Ke’s inequality ... a2j)−p−1dx.Tian Journal of Inequalities and Applications 2011, 2011:77http://www.journalofinequalitiesandapplications.com/content/2011/1/77Page 10 of 14Proof. For x ≥ 0, with a substitution...
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báo cáo hóa học: " Effect of substrate (ZnO) morphology on enzyme immobilization and its catalytic activity" pptx
... surface of ZnO nanocrystal and less conformationhappened. Therefore, the 3D structure of nanomultipodsand the lowes t ratio of Nglutaraldehyde/N-NH2may result inthe stabilization of HRP ... density of the amino groups and the thick-ness of coating were controlled by tuning the ratio of TEOS to APTES. It was demonstrated when the ratio of TEOS to APTES was 1:4, a layer of uniform ... demonstrated thatthe size of nanostructured materials might play significantroles to regulate the catalytic activity of the immobilizedenzymes [3]. The preparation of nanostructured materialswith...
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