Báo cáo hóa học: " Enhanced Luminescence of Eu-Doped TiO2 Nanodots" pot

... transfer from amorphous TiO 2 matrix to Eu 3? ions. The luminescence intensity is about 12.5 times of that of Eu-doped TiO 2 film and the luminescence life- time can be as long as 960 ls. Keywords ... size of the Eu-doped TiO 2 nanodots can be controlled by varying the preparation condition. The Eu-doped TiO 2 nanodots exhibited intense sharp luminescence under ultraviolet ex...

Ngày tải lên: 22/06/2014, 00:20

... 9:34 http://www.translational-medicine.com/content/9/1/34 Page 7 of 10 size distribution of the nanoparticles was in the range of 181-282 nm, with a mean diameter of 215.46 ± 48.6 nm, and an average zeta potential of -20.2 mV. The peptide content of three ... influence of PLGA uptake on the properties of the DC, and its potential negative effect on some important parameters fo...

Ngày tải lên: 20/06/2014, 03:20

... 6:169 http://www.nanoscalereslett.com/content/6/1/169 Page 4 of 6 suggests the presence of less number of amine groups and more number of hydroxyl groups over the surface of these core-shell nanostructures. The above ... zeta potential of allyl- and vinyl-functionalized silica was higher than that of silica-coated and bare nanoparticles, which also suggests the presence of all...

Ngày tải lên: 21/06/2014, 05:20

... size effects come from the increase of the surface state density of GaN due to the large surface-to-volume ratio and the variation of electronic states because of the diameter difference. However, ... the convolution of NBE and surface state of the single GaN nanorod and also revealed a blueshift (approximately 60 meV) as temperature decreased because of the energy shift of...

Ngày tải lên: 20/06/2014, 04:20

... macrodactyly in the hand: report of three cases and review of the literature. J Hand Surg [Am] 1978, 3:307-312. 6. Amadio PC, Reiman HM, Dobyns JH: Lipofibromatous hamartoma of nerve. J Hand Surg [Am] ... RJ: Lipomatosis of the sciatic nerve: typical and atypical MRI features. Skeletal Radiol 2006, 35:180-184. 8. Louis DS, Hankin FM, Greene TL, Dick HM: Lipofibromas of the median ne...

Ngày tải lên: 20/06/2014, 07:20

... Varshni-equation-fitted curves of NBE and Y 7 states, respectively. (c) The CL spectrum of the GaN nanorods was performed at a temperature of 20 K and at the position of the red-circled region indicated ... studies of the fundamental properties of the nitride-based mate- rials, one can get more insight into the a pplications of these materials. Semiconductor nanowires have attra...

Ngày tải lên: 20/06/2014, 23:20

... function the same for all parts of a processed image (does an assumption on stationarity of noise or invariance of its characteristics hold)? These are questions of additional studies and answers to ... of visual quality of image denoising methods. CD ROM Proceedings of VPQM. (Scottsdale, USA, 2010), p. 6 64. NN Ponomarenko, VV Lukin, KO Egiazarian, JT Astola, A method for blind...

Ngày tải lên: 21/06/2014, 01:20

... case of uniqueness, the dissipative system (1.1) admits at least 6 Dissipative systems of the implied τ-periodic solution of (1.1) or a lower estimate of the number of τ-periodic solutions of (1.1), ... Proceedings of the National Academy of Sciences of the United States of America 53 (1965), 1262–1264. [23] N. Levinson, Transformation theory of non-linear differential eq...

Ngày tải lên: 22/06/2014, 22:20

... variety of distinct diseases [16]. Enhanced serum TGF-β1 concentrations could represent a marker of early activation of mesenchymal HSCs. This interpretation is strengthened by the findings of a ... Medical School of Naples, Department of Biochemistry and Medical Biotechnology, Naples, Italy and 4 Federico II University Medical School of Naples, Department of Neuroscience...

Ngày tải lên: 18/06/2014, 15:20

... 1 Department of Neurology, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA, 2 Department of Microbiology and Immunology, University of Rochester School of Medicine ... not detectable at 2 months of age. The number of Aβ immuno-positive cells increased by 6 months of age and the intensity of individual cell staining was significant...

Ngày tải lên: 19/06/2014, 22:20