... 36% of the interaction of the full peptide with the binding cavity of SM3 The sizes of the surfaces were determined using distances between ligand ˚ atoms and protein atoms of less than A These ... a distance of A or less to the ligand The C-terminal part of the peptide (RPAP) has close contacts to the next protein in the crystal cell and is therefore stabilized on the surface of SM3 It ... reference pairs The build-up of the trNOE between Asp2-b and b¢ is much faster than that of the other two reference points indicating differences of the rotational correlation times of these proton...
Ngày tải lên: 21/02/2014, 15:20
... spectroelectrochemical titrations of the isolated FAD/NADPH and FMN domains of NR1 enabled the determination of the midpoint reduction potentials for the oxidized/semiquinone (E1) and semiquinone/hydroquinone ... mixing the human CPR FMN domain with its FAD/NADPH domain (% 16-fold) (29) However, the domain mixture still reconstituted only % 2% of the activity of the full length CPR In the case of NR1, the ... various amounts of the NR1 FMN domain, ranging from to nmol, in 50 mM potassium phosphate buffer, pH 7.0 The rate of reduction of cytochrome c in the presence of 200 lM NADPH and 100 lM horse...
Ngày tải lên: 23/03/2014, 21:20
Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx
... by the cleavage of the bond between 1¢ and 2¢ carbons of the substrate The epimerization product is generated by the re-formation of the C–C bond after the reorientation of GA, which exposes the ... of the reaction course and by thermodynamics in the late part of the reaction course, and therefore the epimerization product increases early and decreases as the reaction progresses to the equilibrium ... binding of HPO, the oxidized form of HP These measured rate constants are reliable and accurate, because of (a) the high quality of the stopped-flow data as illustrated in Figs and and (b) the consistency...
Ngày tải lên: 19/02/2014, 00:20
Đề tài " Determination of the algebraic relations among special Γ-values in positive characteristic " pdf
... Yu’s Theorem of the t-Submodule We came upon Theorem 1.3.2 in the process of searching for a t-motivic translation of Yu’s Theorem of the t-Submodule [Yu c] Our discovery of a direct proof of Theorem ... ((1/T )) = the | · |∞ -completion of k an algebraic closure of k∞ the | · |∞ -completion of k∞ the algebraic closure of k in C∞ ¯ a fixed choice in k of a (q − 1)st root of −T the subring of the power ... (O) of maximal rank such that ρϑ = Then the K-subspace of Mat1× (K) annihilated by right multiplication by ϑ is the K-span of ρ Let Θ ∈ Mat × (O[t]) be the transpose of the matrix of cofactors of...
Ngày tải lên: 22/03/2014, 16:20
Báo cáo khoa học: Determination of the metal ion dependence and substrate specificity of a hydratase involved in the degradation pathway of biphenyl/chlorobiphenyl pot
... (kcat) and not the Km of the HPDA substrate Therefore, the metal ion has a catalytic rather than just a substrate binding role Possible roles of the cation include the activation of water for the ... chlorine and methyl functional groups at the 5-position Together, these results provide insight regarding the mechanism, the substrate binding site and the role of the metal cofactor in the enzyme ... constants of Mg2+ and Mn2+ and the influence of each metal cofactor on the kinetic parameters for HPDA hydration We also generate and test the specificity of the enzyme towards alternative substrates...
Ngày tải lên: 30/03/2014, 15:20
analysis and determination of the stress intensity factor of load-carrying cruciform fillet welded joints
... Description and Boundary Conditions of Load-Carrying Cruciform Welded Joint Figure (3) shows the results of mesh sizes density It was noticed that there are no effects on the stability of results and the ... Figure (4) shows the results of a crack increment step (Δa) It was noticed that there are no effects on the stability of results and the very close agreements between the three types of a crack increment ... the crack would propagate Prior to performing the analysis, it was necessary to specify the magnitude of crack increment and also the number of steps over which the crack would propagate In the...
Ngày tải lên: 24/05/2014, 20:40
Separation and determination of the physico chemical
... 1039–1044 of the lack of separation of mixtures of pigments However, the fractions that contained a mixture of the pigments were concentrated and rechromatographed 3.3 Purity of curcuminoid pigments The ... separation of the pigments from the mother liquor The mother liquors from the crystallization were combined and dried at 60 C on a rotary evaporator (Bu ăchi, Switzerland) A 100 mg portion of the dried ... yield of 92% pure curcumin was obtained with no BDMC detected Further purification of the crystals was possible by CC 3.2.2 CC separation of pigments from the mother liquor The composition of the...
Ngày tải lên: 01/07/2014, 13:23
báo cáo khoa học: "Determination of the volume-specific surface area by using transmission electron tomography for characterization and definition of nanomaterials" docx
... measurement of their VSSA from its electron tomographic reconstruction To evaluate the influence of missing wedge artifacts on the reconstruction and on the precision of the estimation of the surface ... circumvents these difficulties Figure 3B and 3D, and the corresponding Additional files and 3, illustrate that both the precipitated silica NM-200 and the pyrogenic silica NM-203 consist of aggregates of ... reconstructions, the surface area and the volume of the examined NM could be estimated directly and the VSSA was calculated The mean VSSA of all examined NM was significantly larger than the threshold of 60...
Ngày tải lên: 11/08/2014, 00:23
Báo cáo y học: " Determination of the threshold of cardiac troponin I associated with an adverse postoperative outcome after cardiac surgery: a comparative study between coronary artery bypass graft, valve surgery, and combined cardiac surgery" ppt
... acquisition of data and helped to draft the manuscript YLM performed the statistical analysis and participated in the design of the study BR participated in the design and coordination of the study and ... groups of same size, with the same age and gender Other important variables could then have interacted in the etiology of cardiac injury and biased the findings From a theoretical point of view, ... within-run coefficient of variation was 6% and the between-run coefficient of variation was 11% Clinical outcome The duration of hospitalization, the length of stay in the ICU, and the inhospital mortality...
Ngày tải lên: 13/08/2014, 08:20
Báo cáo y học: " Determination of the relative amounts of Gag and Pol proteins in foamy virus particles" doc
... proteins shown in Fig and amounts of protein Relation of the intensities of the bands in the lanes with recombinant PFV proteins shown in Fig and amounts of protein loaded onto the gel The latter was ... amounts of bacterially-expressed Gag and Pol proteins were also applied to the gel The intensities of the bands were determined with a LAS-3000 (Fujifilm) and the relative amounts of Gag and Pol ... 1expression of PFV gag and pol genes Bacterial Bacterial expression of PFV gag and pol genes (A) Strategy to insert the gag and pol open reading frames into the bacterial expression vector pET22b The...
Ngày tải lên: 13/08/2014, 09:21
Development and applications of novel solvent minimized techniques in the determination of chemical warfare agents and their degradation products
... from the Organic Synthesis Group for providing the analytes used in the study and all users of the GC MSD for sharing the use of the instrument Even though people come and go, the memories of the ... that of the NIP and the imprinting efficiency was found to be 1.3 The imprinting efficiency is defined as the ratio of the binding ratio of the MIP to the NIP, where the binding ratio is the ratio ... reported and provides high certainty of the absence of other chemicals relevant for the implementation of the CWC and does not contain information on chemicals not relevant to the CWC Prior to the Official...
Ngày tải lên: 14/09/2015, 14:08
Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV
... to the azimuthal angular difference between the leptons and the transverse mass of the system composed of the dilepton and the missing transverse energy in the Page of 50 212 event Because of the ... tag, the change of the m H value at which the significance of the H → ZZ → and H → WW analyses is evaluated, and the treatment of H → WW as part of the signal, instead of background, in the H ... ν, and H → μμ analyses quote σm H as half of the width of the shortest interval containing 68.3 % of the signal events, the H → τ τ analysis quotes the RMS of the signal distribution, and the...
Ngày tải lên: 22/09/2016, 22:27
Standard Test Method for Determination of the Fatty Acid Methyl Ester (FAME) Content of a Blend of Biodiesel and Petroleum-Based Diesel Fuel Oil Using Mid-Infrared Spectroscopy
... A1.3.3.1 and A1.3.3.2) with the factor obtained by calculating the ratio of the path length of the old cell by the path length of the new cell and subscript again the new constants with the new ... in this standard Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own ... of biodiesel and of the interfering components over a range that spans at least 95 % of that for the calibration standards The numbers of required standards are suggested by Practices E1655 and, ...
Ngày tải lên: 04/01/2018, 15:11
Báo cáo y học: "Foramen Magnum Arachnoid Cyst Induces Compression of the Spinal Cord and Syringomyelia: Case Report and Literature Review"
... within the cyst The cyst tightly adhered to the cerebrum, pons and cervical spinal cord The compartments were then separated and the posterior wall of the cyst was excised to break down the cystic ... fossa and excision of the arachnoid cyst were then surgically performed A straight median incision was made on the skull via the posterior temporal route The occipital squama was cut off and the ... superficial sensation in the bilateral upper limbs and trunk above the umbilicus, muscle wasting of the bilateral thenar and upper limbs, grade III muscle power of the upper and lower limbs, reduced...
Ngày tải lên: 25/10/2012, 11:00
DETERMINATION OF THE DIGESTIBILITY OF SOME PLANT INGREDIENTS FOR GRASS CARP (Ctenopharyngodon idella)
... nutrient)] The ADC of dry matter, nutrients in the tested ingredient were calculated according to the following formulae: ADC of DM of test ingredient (%) = (ADC of DM of the test diet - 0.7 x ADC of ... collected daily and frozen At the end of the experiment, feces were dried All diets and feces were analyzed for dry matter, protein, lipid, ash and chromic oxide contents The ADC of the reference ... means of three replicates with standard error (SE) 989 Determination of the digestibility of some plant ingredients for grass carp (Ctenopharyngodon idella) Table The digestibility of protein of...
Ngày tải lên: 28/08/2013, 09:14
A study of semantic and pragmatic features of the adjective warm and its vietnamese equivalents
... “Introduction” states the rationale of the study, Semantics can be simply defined as the study of meaning It defines the aims, objectives and the significance, presents the is central to the study of communication ... review of the research Chapter 3: “Methodology and Procedures” mentions the method and procedures of the research Chapter 4: “Findings and Discussions” is the main frame of need to understand semantics ... element of the meaning of a word; a description of the characteristic feature of what the word refers to E.g the sense of “grasshopper” is “an insect which can jump high the study, which describes and...
Ngày tải lên: 26/11/2013, 13:21
Tài liệu Conditions of the surface water and ground water resources in the rural area of the Mekong Delta, Vietnam pptx
... approx 1.5 m The study site Hoa An is located in an area where an interaction of the tidal regimes of the South Chinese Sea and of the Gulf of Thailand eliminate each other Here, the tidal amplitude ... following the Vietnamese standards for ground water TCVN 5944 –1995 (see table 3) The results of the analyses of the surface water samples were compared to the Vietnamese standards for the use of surface ... bail – tests for the determination of the hydraulic conductivity of the aquifers (Benstöm et al., 2005) and quality tests of the hand pumps were done (Nuber et al., 2005) Results and Discussion...
Ngày tải lên: 16/01/2014, 17:20
Environmental barriers to trade of the united states and implications for vietnam
... ASEAN, Regional Intergration Process and Challenges, Hanoi 14 Damien J Neven (2000), Evaluating the effects of non-tariff barriers, University of Lausanne 15 The Australian APEC Study Centre-Monash ... trường với điều kiện chấp nhận tiêu chuẩn môi trường; hạn chế thương mại đặt theo quy tắc MEAs [15] 1.1.2.2 Phân loại Theo nghiên cứu Lê Hoàng Lan [10], có loại rào cản mơi trường thường áp dụng, ... nhiều nước giới, có Việt Nam Dù kim ngạch xuất hàng Việt Nam sang thị trường Mỹ theo chiều mũi tên lên, song, theo cảnh báo chuyên gia, doanh nghiệp xuất sang Mỹ cần phải thận trọng với "chiêu...
Ngày tải lên: 06/02/2014, 20:27