Báo cáo hóa học: " Fluorescence Modified Chitosan-Coated Magnetic Nanoparticles for High-Efficient Cellular Imaging" pdf

... detectable cell numbers of about 10 4 in vitro. Magnetic fluorescent nanoparticles serve both as magnetic resonance contrast agents for MRI and optical probes for intravital fluorescence microscopy. Cytotoxicity test ... highly biocompatible and safe for further in vivo use. Conclusions A novel magnetic fluorescent nanoparticle was prepared by a simple synthesis method and used fo...

Ngày tải lên: 22/06/2014, 01:20

... CGC AGG ATG GCG TGA -3'. All PCRs were denatured at 95°C for 1 min, annealed at 56°C for 30 sec, and extended at 72°C for 1 min for 25–35 cycles. All amplifications were done in triplicate ... incubated at 37°C for 72 hours, after which the overlay was removed. Following incubation, the cells were fixed in cold 80% methanol for 3 hours, blocked with 1 % horse serum in PBS at...

Ngày tải lên: 20/06/2014, 04:20

... not imply that λ is bounded. For example, the sequence {X m } defined by X m  m −β is trivially a quasi β-power increasing sequence for each β>0. If λ  {m δ }, for any 0 <δ<β,then λ m X m  ... 2.1 for μ  0. Theorem 2.2. Let A satisfy conditions (v)–(x) and let {β n } and {λ n } be sequences satisfying conditions (i), (ii), and 2.1.If{X n } is a quasi β-power increasing s...

Ngày tải lên: 21/06/2014, 07:20

... the unit of microseconds. Therefore, the NAV can represent a duration up to 64 milliseconds, enough to reserve the channel for GPRS. In order to reserve the channel for GPRS systems, the base station ... order to achieve the full GPRS operating spectrum. 4.3. Cellular Architecture. Similar to the GSM/GPRS cellular architecture, we can build cellular networks using spec- trum access...

Ngày tải lên: 21/06/2014, 23:20

... by SE n = ⎧ ⎪ ⎪ ⎨ ⎪ ⎪ ⎩ log 2  1+ γ T n,1 1−F  γ T 1,1   for MASA N , log 2  1+κ n  for MASA N×K , MASA N×∞ . (24) Then design optimal codes for these spectral efficiencies for each γ of interest. Examples of optimized ... interfer- ence,” IEEE Transactions on Information Theory, vol. 30, no. 1, pp. 44–53, 1984. [14] L. H. Ozarow, S. Shamai, and A. D. Wyner, “Information the- oret...

Ngày tải lên: 22/06/2014, 00:20

... set TrnSet for a given size M to maximize the fitness for the CntSet: JS = 1 K(cl)  x j ∈CntSet J S j . (19) Note that the maximum of (19)isoneandforx i ∈ Tr nSe t, ( 15) is zero. Therefore, when ... sequen- tial forward selection operations: at the first iteration, we look for the sample that gives the maximum JS.Exceptfor the first iteration, the algorithm uses the lowest fitness J S j...

Ngày tải lên: 22/06/2014, 06:20

... superslots for slow HARBINGER and in units of slots for fast HARBINGER and the node den- sity is in units of nodes per unit area. In each Figure, the per- formance of GeRaF (M = 1) is included for reference. ... hybrid-ARQ protocols for the Gaussian collision channel,” IEEE Trans. In- form. Theory, vol. 47, no. 5, pp. 1971–1988, 2001. [6] M. Zorzi and R. R. Rao, “Geographic random for...

Ngày tải lên: 23/06/2014, 00:20

... by using uniform quantization (L by 6, A by 4, and B by 4). Then formula (9) is used to calculate the fuzzy histogram for each region. To reduce the online computation, µ c (c  )for each bin ... of the modified k- means algorithm. For a fair comparison between CLEAR in- dexing scheme and U FM at different color variation and un- certainty levels, we perform the same experiments for d...

Ngày tải lên: 23/06/2014, 01:20

... are identical but performed by different persons. The frame ra te was 10 frames/s. For the detailed content of 3D video, please see Figure 4 for sequence #1 and Figure 7 for #2-1. In sequences ... and Retrieval for 3D Video Based on Modified Shape Distribution Toshihiko Yamasaki and Kiyoharu Aizawa Department of Information and Communication Engineering, Graduate School of Information...

Ngày tải lên: 22/06/2014, 23:20

... and l-KDM are unavailable as substrates for SpLRA5 and SpLRA6. Therefore, there is still a possibility that the gene cluster of Sphingomonas sp. is responsible for the metabolism not only of l-rhamnose ... into plasmid vectors for multiple gene expression and transformed into an l-rhamnose-defective E. coli mutant, the KRX strain (Fig. S1 and Table S1). In this study, the genes for Av...

Ngày tải lên: 16/03/2014, 04:20