large scale approach to the study of cancer

... In order to improve the performance of the shuffling method, GA is used to select a proper pair of (x0 , μ) In our scheme, we choose to improve quality of the stego image in the sense of PSNR and ... message bits into the cover image using IA-LSB steganography, then compute PSNR between the cover image and the stego image, which is the fitness function of GA In the following operations, the individual ... use the logistic map for shuffling and use GA to find proper parameters for the logistic map Denote the message with length L as M = {m0 , m1 , , mL−1 } The process of using the logistic map to...

Ngày tải lên: 21/06/2014, 16:20

... methods The authors also introduce the idea of 2D Fourier Phase Code (FPC) to eliminate the need for the storage of the whole iris database in the system, addressing the greatest drawback of correlation-based ... Since the purpose is to robustly reveal the similarity of two iris patterns and regarding to the fact that these fluctuations are susceptible to the image quality, the signature is smoothed to achieve ... compare the performance of the proposed approach with other state-ofthe-art methods Nevertheless, according to our results, we believe that our method’s performance is one of the best for the UBIRIS...

Ngày tải lên: 21/06/2014, 16:20

... dated the colonization of Europe to the Pliocene-Pleistocene boundary around 4.6 to 1.6 million years ago (MYA), far before the onset of Pleistocene ice age However, during the late Pleistocene ... BigDye Terminator v3.1 Cycle Sequencing Kit (Applied Biosystems) according to the manufacturer’s recommendations The 3’end of the 595 bp fragment of the mtDNA CR with the 74 bp of flanking tRNA ... agreement with the ancestral character of the grayling populations from a Danubian refugium in relation to the northern populations [3,5] The intermediate position of the Da29 haplotype on the network...

Ngày tải lên: 14/08/2014, 13:21

... 1% agarose gel The amount of 0.4 g of agarose diluted into 40 ml of 1X TBE was boiled and poured into the gel tray of x 10 cm The gel was run at 60 V for 35 minutes The gel was then stained with ... parental care to its offspring, neither Mating system of the climbing perch is either polygamy or promiscuity Sexual dimorphism in the climbing perch was not found The eggs of the climbing perch ... separation of the stock The study also showed the correlation of the result on the local, regional and supra-regional levels In addition, Varela (2007) with his assistants applied ISSR to assess...

Ngày tải lên: 22/09/2015, 15:56

... numbers of new cancers in the Republic of Ireland to around 3,601 in 2025, compared to the 2,336 reported for 2005 The 54% increase is largely a consequence of the expected growth and aging of the ... used to fit the model Forecasts using the latest TAR for the Czech Republic of 0.35 and the latest TFR of 1.23 gave an overall increase in the rate of cancer of 39.2%, or a yearly increase of 1.33% ... thanks are due to the charities LIFE and The Medical Education Trust, which funded the research, to the national statistical offices and cancer registries, which provided the data, and to the statisticians...

Ngày tải lên: 06/03/2014, 02:21

... artificial miRNA sequences into the targeting vectors The terminal regions of the arms of the miR155 (A) and miR30 (B) vectors are shaded, and their stems designed to be replaced by artificial ... miRNA-expressing cassettes into a chimeric intron composed of the 5¢ donor site from the first intron of the human b-globin gene and the branch and 3¢ acceptor site from the intron of an immunoglobulin ... pre-miRNAs to the cytoplasm, where they are further processed to siRNA However, this process simultaneously blocks the translation of the enhanced green fluorescent protein (EGFP) marker, because the...

Ngày tải lên: 07/03/2014, 11:20

... proportional to 1/2 According to the kinetic definition of quantum yield, it is equal to the ratio of the reaction rate in molecules per second to the efficient photonic flux in photons per second Theoretically, ... confirms the photo-induced nature of the activation of the catalytic process, with the participation of photo-induced electrical charges to the reaction mechanism However, above a certain point, the ... particles to enter, thereby causing cell damage and death in the presence of water [4] One of the largest fields of interest and growth in the upcoming century is that of photocatalysis From October...

Ngày tải lên: 20/03/2014, 13:06

... combination of X and U as E = (1 − a) X + aU)T < a < Use an N × vector r (the PageRank vector) to store the importance scores of the N contacts, and set the initial values of its elements to be 1/N Then ... in the training set, the LSPR subvector of this message was assigned to the mean of LSPR vectors by default The concatenation of all these subvectors yields a synthetic vector per email message ... and computing the MAE on the pool The other way, macro-averaged MAE, is to compute the MAE on the test instances of each user and then take the average of the per-user MAE values The former gives...

Ngày tải lên: 22/03/2014, 22:26

... frequency of the unperturbed quartz resonator, Fq the frequency constant of the crystal (Fq ¼ f0.dq), dq the thickness, qq the mass density, and Ael the electrode size of the crystal resonator Equation ... modulation of the surface-associated shear modulus of the polymer layer in the polymeric structure In other words, binding of analyte to a MIP can result a larger change in the total acoustic load on the ... al ˘ For all the examples cited above, the binding capacity of the sensor surface is critical to maximize the sensitivity of the sensor for the detection of small molecules Here the synergies...

Ngày tải lên: 23/03/2014, 07:20

... formed between the carbonyl group of the ketose substrate (f6p, s7p) and the e-amino group of a lysine residue of the active site of the enzyme, leading to the formation of either g3p or e4p ... while leaving behind the bound dihydroxyacetone (C3) The nitrogen atom of the Schiff base (similar to the nitrogen atom in the thiazole ring of TK) stabilizes the dihydroxyacetone unit using resonance ... Apart from the variations in the stoichiometric model of the PPP discussed in this work, the other parts of the stoichiometric model used for fitting the fluxes of S cerevisiae were identical to those...

Ngày tải lên: 23/03/2014, 15:21

... enzymatic activity of the human scavenger [20] (B) Alignment of the amino acids involved in the interactions with the cap structure (m7Guo) in the hDcpSm7GpppG complex The majority of these amino acids ... a good starting point for the elucidation of the detailed mechanism of action on a molecular level, for the study of inhibition and for the design of effective inhibitors (in particular, human ... respect to the three histidine residues of the catalytic HIT motif [1820] A high degree of identity observed in the HIT region of different scavengers supports the functional signicance of this...

Ngày tải lên: 29/03/2014, 09:20

... by the cell cytoplasm The basal pole of the cell faces either the pseudocoel or hypodermis whereas the apical membrane faces the excretory canal lumen An excretory duct connects the excretory ... excretory canal to the outside surface of the worm The duct is formed from cuticle that is continuous with the animal’s exoskeleton A duct cell surrounds the upper two-thirds of the duct and a ... elegans Osmoregulatory organs in C elegans C elegans has simple ‘kidney’ that is comprised of three cells, the excretory cell, the duct cell and the pore cell [8] Destruction of any of these cells...

Ngày tải lên: 30/03/2014, 03:20

... easily adapted to different software platforms (Java and Oracle) and the necessities of other languages (Unicode), making the whole system portable to other platforms with minimal changes The only ... enhancing the most important features of these groupings The resulting patterns reveal the conceptual backbone of the text collection Russian WordNet is used for basic conceptual grouping • Automatic ... stems of words e.g "teach" would return "teaching", "taught" etc Fuzzy match can be used if you are not sure of the spelling of a word A search can be done to find words which are close to each other...

Ngày tải lên: 31/03/2014, 20:20

... used to sandwich the ring-shaped specimen A Kapton film and a diamond window were used in place of the quartz optical windows on the top and bottom steel plates to support the specimen The top ... addition to the wide spectrum of properties present in the above polymers, toughness enhancement is a particular aim of many of the discussed modifications In the different chapters the usual routes of ... The appearance of {200} truncating faces has been interpreted in terms of the different fold surface free energies corresponding to the altered pattern of folding in the two types of sector The...

Ngày tải lên: 04/06/2014, 14:26

... operator to the rooms of a house or office, for example In the second one, the operator uses the BCI to An operator is considered capable of having full control of the BCI if he succeeds in the ... better quality The objective is to map the data corresponding to the multi-channel neural spikes of a monkey to the 3D positions of its arm positions The predicted position of the hand of the monkey ... are due to the use of a non-commercial EMG amplifier In addition, in [12] it is used a combination of the movements of the muscles of the shoulder and the neck to command the wheelchair In the several...

Ngày tải lên: 19/06/2014, 10:20

... the results of the UMTS link offer the worse results, due to the delay of the operator’s network and the bandwidth limited by the radio coverage and the available resources in the cell The 802.11b ... by using the control buttons on the left side of the web page The replay speed can be adjusted and a step-by-step mode has been implemented On the map, the positions and movements of the vehicles ... looking at the width and color of the link lines among vehicles The Graphic Generator module gives another view of the network performance It processes both the XML statistics and packet traces to generate...

Ngày tải lên: 21/06/2014, 08:20

... consists of three parts (i) The number of interferers, U − The more users the system supports, the higher the mutual interference (ii) The transmit power of the other active users, P/U As the transmit ... index The length of each symbol The Doppler frequency The channel in (2) is widely used to model the timevarying channel For example, it is used to investigate the impact of feedback delay on the ... for vectors (x) E[·] is the expectation operator The conjugate transpose of a matrix X (vecto x) is X∗ (x∗ ) Similarly, X† denotes the pseudo-inverse, x denotes the normalized vector of x, i.e...

Ngày tải lên: 21/06/2014, 20:20

... The growth of nanowires/nanotubes initiates from the bottom portion of the alumina template The incomplete filling of Ni may be due to the difference in the growth rate between Ni and Co, as their ... NTs of very high aspect ratio [2] This is due to the fact that the shape anisotropy of the samples mentioned in the earlier report is much higher (aspect ratio of Co NTs is *330) than that of the ... abundantly clear from the TEM image (Fig 2d) It is to be noted that from the TEM image, some portion of the Co NTs remain unfilled It can also be seen from the top portion of the FESEM image (Fig...

Ngày tải lên: 22/06/2014, 00:20