the structure of complex networks theory and applications ernesto estrada

Ngày tải lên: 04/06/2014, 14:19

Ngày tải lên: 27/06/2014, 00:20

Ngày tải lên: 28/06/2014, 03:20

... and indicate re-oxidation of the flavin and the formation of the hydride-Meisenheimer complex of TNT. (C) As for panel B except the spectral changes are recorded over an extended time period and ... related enzymes. Results Properties of the H181A and H184A enzymes The structure of PETN reductase solved in complex with prednisone, progesterone, 1,4-androstadiene (Fig. 1A) and 2-cyclohexen-1-one indicate that these ligands ... for the OYE complexes. The structure of the 2-electron reduced form of PETN reductase bound to progesterone is very similar to that of the oxidized enzyme-progesterone complex. Moreover, in these...

Ngày tải lên: 20/02/2014, 02:21

Ngày tải lên: 22/06/2014, 06:20

Ngày tải lên: 22/06/2014, 18:20

... then that of the padded input block rather than the number of sub-carriers. The analog filters at the transmitter output and the receiver input should bandlimit the respective signals to a bandwidth ... mathematical analysis of OFDM in multi-path Rayleigh fading is presented in the Appendix. 2.2 DFT The key components of an OFDM system are the Inverse DFT in the transmitter and the DFT in the ... reduce the number of computations to the order of N log N . The FFT is most efficient when N is a power of two. Several variations of the FFT exist, with different ordering of the inputs and outputs,...

Ngày tải lên: 02/03/2013, 16:58

... Thought and Practice: The Influence Thought and Practice: The Influence of Social Network Theory of Social Network Theory Presented at the Presented at the Networks and Complex Systems Networks ... marketing theory and practice? ã How have researchers used these perspectives to advance How have researchers used these perspectives to advance marketing theory and practice? marketing theory and ... should they do and what type of outcomes should they they do and what type of outcomes should they expect? expect? ã Does gender matter in the trust formation process Does gender matter in the...

Ngày tải lên: 24/10/2013, 20:15

... who is the chief executive officer and chairman of the Board of Directors) ã the senior deputy governor, ã the deputy minister of finance, and ã twelve outside directors 15 - 20 The Case ... operated by the CPA ã acts as the holder of deposit accounts of the federal government, the directly clearing members of the CPA, international organizations such as the IMF, and other central ... increase the durability of bank notes, and reduce counterfeiting. Copyright  2011 Pearson Canada Inc. 15 - 5 Formal Structure of the Bank of Canada II ã The Board appoints the governor and...

Ngày tải lên: 05/01/2014, 16:57

Ngày tải lên: 12/01/2014, 21:44

... matter. ã The development of string theory and the quantum theory of geometry as promising candidates for the union of quantum mechanics and general relativity. ã The first descriptions of the quantum ... or other approximations. ã The development of current ideas in string theory and the quantum theory of geometry to achieve a finite, workable union of quantum mechanics, gravity, and the other ... radiation they emit in the last stages of their formation. ã The use of gravitational waves to probe the universe of complex astro- nomical phenomena by the decoding of the details of the gravitational...

Ngày tải lên: 12/02/2014, 16:20

... especially฀ those฀who฀hold฀general฀bachelor’s฀degrees,฀their฀qualifications฀serve฀only฀as฀a฀signal฀ of their฀potential฀to฀employers.฀In฀many฀cases,฀they฀take฀longer฀to฀realise฀employment฀ and when฀they฀do฀their฀entry฀level฀jobs฀do฀not฀necessarily฀require the years of schooling฀ they฀possess.฀They฀start฀at the bottom of the job฀ladder and have฀to฀prove฀themselves฀ in the labour฀market฀to฀reach฀higher฀income฀levels.฀A฀combination of their฀potential฀ and training฀will฀determine฀their฀progression฀up the ladder.฀As฀will฀be฀seen฀in the next฀ section, the field of study,฀which฀signals the type of skills฀acquired฀through฀education,฀ plays฀a฀significant฀role฀in฀employability of university฀graduates฀in฀this฀case. Percy฀Moleke Free ... 4 Percy฀Moleke 5 Inequalities฀in฀Higher฀Education and the Structure of the Labour฀Market Despite the observed฀significant฀increases฀in the number of senior฀certificate฀holders฀ in the past฀decade, the proportion of learners฀who฀actually฀sit฀for the exam฀remains฀ low. The quality of the senior฀certificate฀exam฀also฀continues฀to฀be of concern. The large฀majority of learners฀still฀opt฀to฀write the senior฀certificate฀exam฀on the standard฀ grade฀rather฀than฀on the higher฀grade.฀Consequently, the proportion of those฀passing฀ with฀ ... to฀ their฀African฀ and coloured฀counterparts.฀ The proportion of white and Asian฀graduates฀within฀each฀category of number of years฀worked฀was฀not฀as฀high฀ as฀that of other฀race฀groups฀at the time of the survey฀(Table฀8). Table฀8:฀Number of years฀worked฀by฀those฀in฀management,฀by฀race Number of years฀worked Asian...

Ngày tải lên: 15/02/2014, 17:20

... resolution of 0.1 nm, a response time of 1 s, a bandwidth of 1 nm, and a temperature of 20 °C. An average of 10 scans was recorded and corrected by subtracting the baseline spectrum of the buffer. The ... b-sheet structures dominate. This assumption was confirmed by the calculation of the a-helix and b-strand contents of the protein with the online programs dichroweb [25] and k2d [26], respectively. The ... [18], cowpea [19], and poppy [20,21]. In the present study, the first insights into the secon- dary and tertiary structure of PLD a2 from cabbage are given. The surface structure of the enzyme was investigated...

Ngày tải lên: 19/02/2014, 02:20

... tertiary structure. For the two dimeric models of LPL (the closed and open forms, Fig. 1), the active dimeric form of LPL in particular was based on the cocrystallized structures of the complexes of ... illustrates the overall saddle shape of the dimeric structure and the key heparin-binding residues in the N-terminal domain held coordinately by the two subunits on the top of the hollow (Fig. 1A). The ... to the study of LPL structure and function. LPL shares a high degree of primary-sequence similarity with pancreatic lipase, and the conservation of most of the disulfide bonds between LPL and...

Ngày tải lên: 21/02/2014, 15:20

... conformation of the enzyme exists where the CP domain, by binding tightly to the catalytic domain, increases the rigidity of the complex between the enzyme and the substrate methionine. Comparisons of the ... network of hydro- gen bonds to the carbonyl oxygen of Pro155, the main-chain amide groups of Ile128 and Arg129. Despite these differences in the coordination of the res- idues in the tip, the fold of ... with strand b9 (Fig. 1). The active site is positioned at the C-terminal edge of the sheet formed by the five parallel b-strands and the N-terminal ends of the helices a1, a7 and a9. The methionine-binding...

Ngày tải lên: 06/03/2014, 22:21

... comparison of the effects of rough andsmoothLPSsofE. coli, both in the presence and absence of EDTA (Fig. 1). The rate of oxidation was increased in the presence of the LPSs of both the smooth and rough ... measure of the rate of oxidation of oxyHb. RESULTS The effect of pH on the auto-oxidation of cross-linked Hb was studied. The rate of decrease of the concentration of oxyHb increased as the pH ... effects of smooth and rough LPSs of E. coli and S. minnesota on the oxidation of native and cross-linked Hb. Because the auto- oxidationofHbhasbeenshowntodependonthepHand the presence of heavy...

Ngày tải lên: 08/03/2014, 10:20

... the site of interaction with AKAP proteins [5,6]. The symmetry axis of the dimer is along the y-axis shown in the Figure. Figure 4B shows the van der Waals model of the top face of the best structure ... C-terminus, C c of Asp and C d of Glu, and O g of Tyr. Positive unit charges were added at the following atoms: N t of the N-terminus, N f of Lys, C f of Arg, and N d or N e of His (depending on the position ... the structural characteristics of RIIa D/D using the final ensemble of 24 structures and the best structure. Figure 4A, shows the backbone and the hydrophobic side chains (depicted in green) of...

Ngày tải lên: 08/03/2014, 22:20

... matter. ã The development of string theory and the quantum theory of geometry as promising candidates for the union of quantum mechanics and general relativity. ã The first descriptions of the quantum ... dif- ferent states of matter. ã The development of string theory and the quantum theory of geometry as promising candidates for a finite, workable theory that unifies quantum mechan- ics and general ... laboratory space, and offices for the observatory staff. One of the 4-kilometer arms disappears out of the right-hand side of the photo. The other is seen stretching to the upper left. At the 2-kilometer...

Ngày tải lên: 14/03/2014, 10:20

... of a condition to check after each trial for the stabilization of the results of interest. The results of interest in this case are the expecta‐ tion (or mean) and the standard deviation of the ... Gaussian distribution, with mean of 35.7653 kg and standard deviation equal to the standard deviation of the mean, i.e. 0.3 g / 10=9.49ì10 -5 kg. Theory and Applications of Monte Carlo Simulations38 ... [16]. Application of the described distribution analysis allowed identification of the effect of red blood cells (RBCs) on the structure of fibrin [17]. The presence of RBCs at the time of fibrin formation...

Ngày tải lên: 16/03/2014, 12:20

... about the thermodynamics and kinetics of the binding of guanidines and N-hydroxy- guanidines to iNOS. Removal of the a-amino or a-carboxylate moiety of l-Arg has important effects on the ability of ... enthalpy for the formation of the complex between NOHA and the protein. The crystal structures of l-Arg or NOHA in NOS active sites actually showed that the a-amino acid moiety of these com- pounds ... K d and k off . The fol- lowing experiments were performed as a first approach to find the variation in k off as a function of the iNOS substrate structure. Kinetics of the binding of guanidines and N-hydroxyguanidines...

Ngày tải lên: 16/03/2014, 22:20