field studies of glacial and dune terrain

... Ala and Glu, Glu and Asp, and Glu and Gln is efficient in wheat germ extract but can effectively be suppressed by inhibitors of transaminases and glutamine synthase [20] Among the multitude of ... observation and dynamics of specific amide protons in T4 lysozyme Biochemistry 24, 817–822 McIntosh LP & Dahlquist FW (1990) Biosynthetic incorporation of 15N and 13C for assignment and interpretation of ... spectra of selectively 15N-Ala labelled w in complex with v and c, where w, v and c are subunits of the E coli DNA polymerase III complex (A) w was produced by cellfree synthesis in the presence of...

Ngày tải lên: 07/03/2014, 12:20

... TARFH2 and FMNH2, are C(5a), C(7), C(9a) and C(10a), and as already mentioned above, C(2) (Fig 7B) With respect to the 13C chemical shifts of FMNH2, C(2), C(5a), C(9a) and C(10a) of wild-type and ... the chemical shifts of C(4a) and C(5a) and C(7) parallel that of N(10), i.e follow the degree of increasing sp2 hybridization of N(10) in the order C138S, C138S + PMA, E159Y and native protein ... native mutant protein E159Y in the oxidized and reduced states For comparison the chemical shifts of free FAD and those of other members of the class of pyridine nucleotidedisulde oxidoreductases...

Ngày tải lên: 16/03/2014, 16:20

... the structure of a complex of oxalyl CoA decarboxylase with 3-deazaThDP and oxalyl CoA was solved and this revealed both the CoA binding site and the ordering of the C-terminus of the protein ... required for the synthesis of nucleotides and, therefore, the expression of TK and of other enzymes of the pathway is upregulated in cancer cells It has been shown both in vitro and in vivo that targeting ... Ki value of 0.4 lm [20], yeast PDC with a Ki value of 6.5 lm [21] and PDH complex with an IC50 of 0.046 lm [22] TetrahydroThDP made by sodium borohydride reduction of ThDP consists of two racemic...

Ngày tải lên: 29/03/2014, 23:20

... gradient of species richness illustrates the complex evolutionary history of global biodiversity, and many studies have placed it in the context of geological history and rates of speciation and extinction ... processes involved in the evolution and diversification The Dynamical Processes of Biodiversity Case Studies of Evolution and Spatial Distribution of the Vanilla genus and concluded that Vanilla must ... from Reunion Island (from 1848) and later from a cartel of Indian Ocean Island producers (Madagascar, Reunion, Comoros and Seychelles) The true origin of cultivated vanilla outside of Mexico was...

Ngày tải lên: 28/06/2014, 08:20

... harvested, Field performance of cuttings and seedlings of E Globulus 839 Table III Comparison of means (and associated F-test) between cuttings and seedlings and variances values for Family and Family ... On the other hand, Lambeth et al [19], in E grandis and Menck and Field performance of cuttings and seedlings of E Globulus Kageyama [21] in E saligna found a clear superiority of improved cuttings ... systems between cuttings and seedlings of E globulus have been reported for this species by Sasse and Sands [25] and Sasse and Sands [27] These authors reported more deformities and less radial symmetry...

Ngày tải lên: 08/08/2014, 00:22

... rate is quite similar to those of fast growing temperate trees, such as Populus sp ((:eulemans et aL, 1987) and slightly higher than those of wet tropical forest and crop trees (Mooney et aL, ... Paris VII, France Bolle-Jones E.W (1968) Variations of chlorophyll and soluble sugar in oil palm leaves in relation to position, time of day and yield Oleal gineux 23, 505-511 Adjahossou Ceulemans ... photosynthetic, anatomical and enzymatic leaf traits and correlations with in recently selected Can J For Res 17, 273-283 growth Populus hybrids Corley R.H.V (1983) Photosynthesis and age of oil palm leaves...

Ngày tải lên: 09/08/2014, 04:20

... contributed to the design of the study and the writing of the manuscript JB and IPH contributed to the design of the study and the writing of the manuscript All authors read and approved the final ... Award) and the Dutch family studies were supported by The Netherlands Asthma Foundation and the National Institute of Health (NIH) We thank Professor William Cookson for providing datasets and Dr ... familial aggregation and heritability estimates vary between 36–79% [2] A greater understanding of the genetic basis of asthma and atopy holds great promise for the identification of novel therapeutic...

Ngày tải lên: 12/08/2014, 15:21

... since the L/D ratio of a CPT exceeds that of a pile, the ratio of shaft to base area is higher, and hence the ratio of Qs/Qb Analysis of the interaction between the shaft and base offers a mechanism ... between Figures 2, and are not random, and cannot be entirely attributed to ambiguous historical field records The majority of field records of low qb/qc which form the basis of the apparent scale ... at plunging failure, a mean ratio of predicted to measured capacity of 1.02 is found, with a standard deviation of 0.17 and a coefficient of variation (COV) of 0.17 This fit to the database in...

Ngày tải lên: 13/08/2015, 10:38

... the supervision of Assoc Prof Sow Chorng Haur (Department of Physics) and Assoc Prof Chin Wee Shong (Department of Chemistry), National University of Singapore, between August 2009 and 31 Jan 2014 ... A Kinetic and equilibrium studies of the removal of ammonium ions from aqueous solution by rice husk ash-synthesized zeolite Y and powdered and granulated forms of mordenite Journal of Hazardous ... addition of phosphate, (d) at different NaOH concentrations and pH 84 5.1 (a) CVs of CoOOH electrode in the absence and presence of various concentrations of H2O2 (scan rate: 10 mV/s), (b) LSVs of...

Ngày tải lên: 10/09/2015, 09:27

... recruitment of the ER tubules onto the segregated chromosomes, followed by the ER flattening and resealing (Anderson and Hetzer, 2007, 2008) However, the removal of reticulons and DP1/Yop1, and the ... of the structure and function of the ER and the actin cytoskeleton The last two sections further review closed mitosis and cytokinesis in fission yeast where the interactions between the ER and ... link and coordinate functions of these two organelles Recent studies in mammalian and yeast cells uncovered the existence of protein tethers that ensure the ER-mitochondria contacts (de Brito and...

Ngày tải lên: 10/09/2015, 09:27

... SCIENCE STUDIES OF DIAMOND AND MoS2/MoGe FILMS OUYANG TI (B.Sc Peking University) A DISSERTATION SUBMITTED FOR THE DEGREE OF DOCTOR OF PHYLOSOPHY DEPARTMENT OF CHEMISTRY NATIONAL UNIVERSITY OF SINGAPORE ... precursor, and after dosing and annealing leading to the the growth of (b) MoS2 and (c) MoGe2 141 XI Fig 6.7 XPS spectra of the Mo3d5/2 and Mo3d3/2 states after the evaporation of the precursor ... saturation dosage of the organics (relative to the B.E and intensity of the diamond bulk C1s peak), and B.E> of the bulk C1s signal 64 Table 4.1 Summary of C-H Stretching Modes and Relative...

Ngày tải lên: 11/09/2015, 09:09

... interactions of two adjacent protein-ligand complexes in the unit cell of Inhibitor and cathepsin L complex 62 Stereo view of interactions between the inhibitor 14 and cathepsin L 64 Schematic view of ... been 10 solved and refined at 2.2, 2.5, 1.8 and 2.5Å respectively These four inhibitors were selected to help clarify and elucidate the binding mode of this class of inhibitors Of particular interest ... three levels of classification of proteases Figure 1.3 Clan of Aspartic Peptidases from the MEROPS Database Figure 1.4 Crystal structures of selected proenzyme and mature forms of Cathepsins...

Ngày tải lên: 14/09/2015, 14:09

... Segmented velocity field of 9.47mm JICF 70 4.14 Segmented velocity field of 13.53mm JICF 71 4.15 Segmented velocity field of 32.47mm JICF 72 5.1 A sequence of images showing how the folding of the cylindrical ... the near and far -field, namely d, rd and r2d, where d is the diameter of the jet and r is the velocity ratio Other areas of JICF examined by early research workers include the use of mean and fluctuating ... Hasselbrink and Mungal (2001a, 2001b), Rivero et al (2001), Cortelezzi and Karagozian (2001) and Gollahalli and Pardiwalla (2002) One of the main reasons why analysis of this particular flowfield is...

Ngày tải lên: 17/09/2015, 17:19

... investigation of numerous materials, components and systems previously impossible to measure by classical optical method The measurement of the changes of phase of the wavefield and thus the change of any ... precise results and bring forward a wealth of possible research directions vi NOMENCLATURE NOMENCLATURE E Electrical field form of light waves a Real of amplitude of light wave ϕ The phase of light ... TABLE OF CONTENTS TABLE OF CONTENTS ACKNOWLEDGEMENTS i TABLE OF CONTENTS ii SUMMARY v NOMENCALTURE vii LIST OF FIGURES ix LIST OF TABLES xiii INTRODUCTION 1.1 Background 1.2 The Scope of work...

Ngày tải lên: 03/10/2015, 21:55

... number of studies showing the inconsistency of MO and DFT results about the identity of the ground and spin state of transition metal compounds No reliable results can be derived from the use of ... Chemistry, KU Leuven Prof Dr Frank De Proft Faculty of Sciences, Vrije Universiteit Brussel (VUB) Prof Dr Ewald Janssens Department of Physics and Astronomy, KU Leuven Prof Dr Minh Tho Nguyen ... send special thanks to Prof Arnout Ceulemans, Prof Marc Hendrickx, Prof Paul Geerlings (VUB) and Prof Frank De Proft (VUB) I did benefit much from their excellent knowledge and teaching on quantum...

Ngày tải lên: 20/05/2016, 21:51

... resolution of 0.25 nm One of the tungsten tips is landed on a platinum contact which ends at the base of the nanostructure and the other is positioned close to the outer branches of the nanostructure ... 2) and 74 nm (i = 3), average values of ri as 13.4, 5.6, and 2.1 nm and with s Nanoscale Res Lett (2009) 4:431–436 Fig a SEM image of our FE set-up The inset is the TEM image representative of ... field, / the work function of the material, and a and b are constants equal to 1.54 10-6 A eV V-2 and 6.83 103 eV-3/2 V lm-1, respectively [4] Due to the tip-like geometry of our field emitters one...

Ngày tải lên: 22/06/2014, 01:20

... OPTICAL LIMITING AND FIELD EMISSION STUDIES OF CARBON NANOTUBES GOHEL AMARSINH B.Sc (Hons.) SUPERVISOR A/PROF ANDREW WEE THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF PHYSICS NATIONAL ... the validity of this mechanism In the second part of the thesis, we modify the MWNTs by plasma etching with N2 and Ar for 10min and 20min each The field emission characteristics of the etched ... when the cap of the nanotube is removed and the ends of the graphene layers and internal cavity of the tube is exposed Defects can also be present in the hexagonal lattice body of the carbon...

Ngày tải lên: 27/11/2015, 12:23

... state of CNS dis-inhibition involved in the pathophysiology of the condition [93] Genetic linkage studies involving families with a history of alcoholism show involvement of chromosomes and and ... relationship of age, gender, handedness, and sidedness to the size of the corpus callosum Academic Radiology 1994; 1:243-248 69 Driesen NR, Raz N The influence of sex, age, and handedness on ... is unclear, as most extant studies are descriptive and limited in power and generalizability Still lacking are large-scale, blinded, randomized, prospective studies of ERP-guided therapy; however...

Ngày tải lên: 02/11/2012, 11:08

... (mg/L) (mg/L) of Ca and Mg added Amount of Ca and Mg added (mg/L) (a) (b) Adsorbed Ca, Mg (mg/g) Fig - Concentration profiles of (a) As and (b) Fe in leachate with the addition of Ca and Mg in different ... (mg/g) a average ± standard deviation of samples However, upon addition of 100 mg/L each of Ca and Mg leaching of As decreased to 24.6 and 23.3 µg/L, respectively Leaching of As was decreased ... surface Fig shows the profiles of leached As in different P concentrations in GW with and without the addition of Ca and Mg In the absence of P without the addition of Ca and Mg, leached As was...

Ngày tải lên: 05/09/2013, 10:15

... indicator and the basis for calculations of heating and cooling energy demand [1] or for estimating bin data and heating and cooling degree-days at any base [2, 10, 11] Table shows the monthly and ... performance of buildings – Calculation of energy Use for space heating and cooling, International Organization for Standardization, 2008 [2] ASHRAE Handbook of Fundamentals, American Society of Heating, ... decade, while the monthly and yearly values of CDD were increased The reduction in the yearly values of HDD was in the range of 9.5 to 22% in Athens, and in the range of to 9% in Thessaloniki,...

Ngày tải lên: 05/09/2013, 16:10