0

• exploiting properties of graphene and related two dimensional materials for the emergence of a graphene based translational t

TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS

TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS

Vật lý

... represents the average height of the roughness perpendicular to the Q2DEG and Λ represents the correlation length parameter of the roughness in the plane of the Q2DEG The mobility of the unpolarized ... located at zi = 490˚ A and interface impurity of density Ni0 located at zi = The values of zi are taken from the experiment [6] and the values of Nid and Ni0 are chosen in order to obtain a reasonable ... A) with A < The parameter A describes the importance of MSE and depends on the random potential, the screening function including the LFC and the compressibility of the electron gas and is given...
  • 6
  • 296
  • 0
Báo cáo khoa học: Ligand binding and antigenic properties of a human neonatal Fc receptor with mutation of two unpaired cysteine residues docx

Báo cáo khoa học: Ligand binding and antigenic properties of a human neonatal Fc receptor with mutation of two unpaired cysteine residues docx

Báo cáo khoa học

... shFcRn mutant where the N-terminal hexa-histidine tag (HAT-tag) was removed, and the resulting data exclude the possibility that the tag contributes to ligand binding (data not shown) Importantly, ... greatly facilitate the selection and characterization of new FcRn targeting binders Materials and methods Production and purification of eukaryotic shFcRn molecules The cDNAs encoding truncated ... Sepharose at pH 6.0 Mutant shFcRn and WT bound IgG in the same manner (supplementary Fig S1) Structural and thermal stability analyses of bacterially produced shFcRn Structural features in addition...
  • 14
  • 533
  • 0
Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx

Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx

Báo cáo khoa học

... activity [20], parabutoporin and opistoporin were tested on Gramnegative and Gram-positive bacteria and their activity was compared with the activity of melittin and mastoparan (Table 1) Parabutoporin ... Experiments with melittin and mastoparan gave the same results The role of LPS in the interaction was also demonstrated by the lack of effect of extracellular Mg2+ on the activity of the peptides against ... the peptide may interact with the negative charges on the LPS of Gramnegative bacteria, enabling the disruption of the outer membrane and facilitating the interaction of the toxin with the inner...
  • 12
  • 598
  • 0
Báo cáo khoa học: Crystal structure and enzymatic properties of a bacterial family 19 chitinase reveal differences from plant enzymes pdf

Báo cáo khoa học: Crystal structure and enzymatic properties of a bacterial family 19 chitinase reveal differences from plant enzymes pdf

Báo cáo khoa học

... A, c ¼ 64.18 A and ˚ resolution b ¼ 108.6°, and diffracted to at least 1.5 A Crystal data and data collection statistics are summarized in Table Calculation of the Matthews coefficient suggested ... despite the large deletion in between these two residues The role of these glutamates was demonstrated by site-directed mutagenesis Table shows that all mutants had greatly reduced catalytic activity ... were made with PYMOL [47] able sequences, some bacterial family 19 chitinases have catalytic domains that are at least as large as those of the plant enzymes and that may contain at least six...
  • 12
  • 399
  • 0
Báo cáo khoa học: Dissociation/association properties of a dodecameric cyclomaltodextrinase Effects of pH and salt concentration on the oligomeric state pot

Báo cáo khoa học: Dissociation/association properties of a dodecameric cyclomaltodextrinase Effects of pH and salt concentration on the oligomeric state pot

Báo cáo khoa học

... CATGGTGACGTCCCACATGTACT-3Â (reverse); for the H89V mutant, 5Â-TCTGCTGCAGCA GGGTGTT GAGAAGCGCTGGATG-3Â (forward) and 5Â-CATCCAG CGCTTCTCAACACCCT GCTGCAGCAGA-3Â (reverse); for the H539V mutant, 5Â-CGACAAGGCGGGCGTC ... plot method The Guggenheim method was used to compare the shape of the exponential curve at one time (t) with that at another time (t + Dt) A is the amount of reactant at time t; FEBS Journal ... independent of the state of oligomerization); qo, the solvent density; x, the angular velocity of the rotor; ro, the xed radial position; R the gas constant; and T the temperature Sedimentation velocity...
  • 13
  • 511
  • 0
Báo cáo khóa học: Localization, purification and properties of a tetrathionate hydrolase from Acidithiobacillus caldus pot

Báo cáo khóa học: Localization, purification and properties of a tetrathionate hydrolase from Acidithiobacillus caldus pot

Báo cáo khoa học

... interference of ammonium sulfate with the HPLCassay of tetrathionate was also tested The height of the tetrathionate peak decreased and a shoulder appeared in the HPLC-chromatograms as the ammonium ... metabolism [13] The result of the present study showed that tetrathionate hydrolase was soluble and the activity was associated with the periplasmic fraction Tetrathionate hydrolase activity was ... procedure was satisfactory and that the tetrathionate hydrolase is a periplasmic enzyme Purification of the tetrathionate hydrolase from tetrathionate-grown A caldus After cell lysis and dialysis, the...
  • 9
  • 609
  • 0
Báo cáo khoa học: Purification and properties of a new S-adenosyl-Lmethionine:flavonoid 4¢-O-methyltransferase from carnation (Dianthus caryophyllus L.) pot

Báo cáo khoa học: Purification and properties of a new S-adenosyl-Lmethionine:flavonoid 4¢-O-methyltransferase from carnation (Dianthus caryophyllus L.) pot

Báo cáo khoa học

... availability of this substrate The Vmax and Km with different substrates are shown in Table 2, together with the Vmax/Km ratio that reflects the enzyme catalytic efficiency With respect to the tested ... plant tissues The results obtained are summarized in Table In the healthy tissues of both in vivo plants and in vitro explants the detected enzymatic activity was weak and did not change statistically ... points out the complexity of functions of OMT activities, that are associated to several different aspects of plant metabolism and therefore need further specific investigations With respect to the...
  • 10
  • 624
  • 0
synthesis, electrical measurement, and field emission properties of a-fe2o3 nanowires

synthesis, electrical measurement, and field emission properties of a-fe2o3 nanowires

Vật lý

... 34 A a The popular density of the NWs per cm2 b Rtotal: the resistance of the total NWs in a unit cm2 Fig A schematic graph of the formation of the a- Fe2O3 NWs in thin and thick iron Fig (a) ... respectively, taken at a ?10 V bias on a single NW The tip used for CAFM was an Au-coated silicon tip, with a diameter of about 50 nm The morphology image of the NW shows that the diameter of the ... fastest growth rate was along the [110] direction Therefore, the oxidation rate difference and the selective directional growth are probable reasons for the formation of a- Fe2O3 NWs A schematic...
  • 8
  • 403
  • 0
Báo cáo Y học: Purification and catalytic properties of a CO-oxidizing:H2-evolving enzyme complex from Carboxydothermus hydrogenoformans doc

Báo cáo Y học: Purification and catalytic properties of a CO-oxidizing:H2-evolving enzyme complex from Carboxydothermus hydrogenoformans doc

Báo cáo khoa học

... concentration in the gas phase in 1-mL assays in 8-mL serum bottles Where indicated, the enzyme was activated with mM Ti(III)citrate prior to the assay and mM Ti(III)citrate was added to the assay ... data described in Materials and methods indicate a CooSI to CooSII ratio of : in the 89-kDa protein band In contrast, the amino-terminal sequence of the 62-kDa protein band does not contain a ... activity on the CO concentration with enzyme not activated by Ti(III)citrate (Fig 3A) and enzyme activated with Ti(III)citrate (Fig 3B) To elucidate if Ti(III)citrate activates CO dehydrogenase,...
  • 10
  • 376
  • 0
báo cáo hóa học:

báo cáo hóa học: "A binary method for simple and accurate two-dimensional cursor control from EEG with minimal subject training" potx

Điện - Điện tử

... application of the paradigm to the study participants SV contributed substantially to the hardware setup and data collection for all study participants MH is the Chief of the Human Motor Control ... (2) In this way, we effectively automated the feature analysis by integrating it into the threshold-setting program, eliminating the need for the calculation of Bhattacharrya distances, but requiring ... performed the data analysis, and drafted and revised the manuscript OB developed the Matlab -based software system for EEG data acquisition and processing within which TK's paradigm-specific Matlab program...
  • 16
  • 489
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Preparation and properties of copper-oil-based nanofluids" ppt

Hóa học - Dầu khí

... calculate the slope of the voltage against time (dV/dt) of the unbalanced bridge The thermal conductivities of the base fluids and nanofluids were calculated from the established equation between ... demonstrates that the thermal conductivities of the oilbased nanofluids increase clearly with the fluid temperature The thermal conductivity of kerosene -based nanofluid increases by about 10, 13, and ... at 60°C for 0.5 h and then cooled to room temperature The precipitate was separated by centrifugation and was washed subsequently with water and ethanol After separation, the nanoparticles were...
  • 7
  • 332
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Nanomechanical properties of a-synuclein amyloid fibrils: a comparative study by nanoindentation, harmonic force microscopy, and Peakforce QNM" potx

Hóa học - Dầu khí

... accurately determine the point -of- contact, that is, the separation at which the tip starts indenting the fibril This point is defined as the point where the force distance curve leaves the baseline, ... converted to a force separation curve using the deflection sensitivities and the spring constants of the cantilevers in a custom written Matlab program To extract the elastic modulus from the force ... the real time interaction between the tip and the surface [18] To obtain in a short amount of time quantitative modulus of elasticity for protein fibrils the surface property methods are relatively...
  • 10
  • 459
  • 0
báo cáo hóa học:

báo cáo hóa học:" Structural and optical properties of a radio frequency magnetron-sputtered ZnO thin film with different growth angles" pdf

Hóa học - Dầu khí

... substrate was kept at 9.5 cm, and we manually tilted the sample substrate with angle measurement The thickness and Figure A schematic of the RF magnetron sputtering system Page of cross-sectional ... was vacuumed to a base pressure of × 10-5 Torr A pre-sputtering treatment was performed to clean the target surface for 10 using argon plasma A distance between the target center and the sample ... 30 Authors’ contributions Y-HJ and WSC participated in the sequence alignment and drafted the manuscript K-HK and MP carried out the sample preparation JL and H-SH performed data acquisitions and...
  • 5
  • 335
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Synthesis, Electrical Measurement, and Field Emission Properties of a-Fe2O3 Nanowires" potx

Hóa học - Dầu khí

... 34 A a The popular density of the NWs per cm2 b Rtotal: the resistance of the total NWs in a unit cm2 Fig A schematic graph of the formation of the a- Fe2O3 NWs in thin and thick iron Fig (a) ... respectively, taken at a ?10 V bias on a single NW The tip used for CAFM was an Au-coated silicon tip, with a diameter of about 50 nm The morphology image of the NW shows that the diameter of the ... fastest growth rate was along the [110] direction Therefore, the oxidation rate difference and the selective directional growth are probable reasons for the formation of a- Fe2O3 NWs A schematic...
  • 8
  • 270
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Research Article Monotonic and Logarithmically Convex Properties of a Function Involving Gamma Functions" pdf

Hóa học - Dầu khí

... Abramowitz and I A Stegun, Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, vol 55 of National Bureau of Standards Applied Mathematics Series, U.S.Government Printing ... Analysis, Cambridge Mathematical Library, Cambridge University Press, Cambridge, UK, 1996 B.-N Guo and F Qi, “Inequalities and monotonicity for the ratio of gamma functions,” Taiwanese Journal ... is to discuss the monotonicity and logarithmical convexity of the function Fα x, y with respect to parameter α For convenience of the readers, we recall the definitions and basic knowledge of...
  • 13
  • 272
  • 0
Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes pot

Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes pot

Báo cáo khoa học

... method followed by hydrolysis and then alditol acetate was prepared to know the linkages of sugar moieties The GLC-MS analysis of the partially methylated alditol acetate of PS-I revealed the ... prepared with standard dextran PS-I was hydrolyzed with 2M trifluroacetic acid and then alditol acetate23 was prepared for GLC analysis GLC analysis of alditol acetate of hydrolyzed product of ... isolated from either of the aqueous or alkali extract of parent mushrooms Pleurotus florida and Lentinula edodes The structural characterization and immunoenhancing studies of PS-I isolated from...
  • 26
  • 358
  • 0
Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes potx

Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes potx

Báo cáo khoa học

... method followed by hydrolysis and then alditol acetate was prepared to know the linkages of sugar moieties The GLC-MS analysis of the partially methylated alditol acetate of PS-I revealed the ... prepared with standard dextran PS-I was hydrolyzed with 2M trifluroacetic acid and then alditol acetate23 was prepared for GLC analysis GLC analysis of alditol acetate of hydrolyzed product of ... isolated from either of the aqueous or alkali extract of parent mushrooms Pleurotus florida and Lentinula edodes The structural characterization and immunoenhancing studies of PS-I isolated from...
  • 26
  • 291
  • 0
Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp:"The relationship between vegetation management and the wood and pulping properties of a Eucalyptus hybrid clone" pdf

Báo cáo khoa học

... This test uses the F-ratio as the test statistic and does not require the assumption that the variables are normally distributed The permutation test was highly significant, indicating that there ... were also detected between treatments for selected wood and pulping properties as well as between the groups of variates for each treatment A summary of the analysis of variance and treatment means ... regression analysis could account for 37.8% of the variance with a slope that was significantly negative (Tab III), indicating that irrespective of the treatments the higher the rate of growth the lower...
  • 8
  • 387
  • 0
Báo cáo sinh học:

Báo cáo sinh học: "The power of two experimental designs for detecting linkage between a marker locus and a locus affecting a quantitative character in a segregating population" pptx

Báo cáo khoa học

... variance of the quantitative trait in the F population be 100, the additive and dominant effect (a and d) can be solved as: and the additive and dominance effects at the QTL are obtained from: Once the ... parameters (s and n) and the genetic parameters at the QLT and h’) are given together with the recombination frequency between the marker and QTL (r), the value of the noncentral F-variable can ... sibs within the jth marker class within the ith sibship, then the variation for the quantitative trait can be partitioned into that between and within sibships, while that of within sibships can...
  • 13
  • 278
  • 0
Physical and magnetic properties of  co,pd  based spin valves with perpendicular anisotropy for spintronic device application

Physical and magnetic properties of co,pd based spin valves with perpendicular anisotropy for spintronic device application

Cao đẳng - Đại học

... minimizing the total energy of the system according to instances of parallel and antiparallel magnetization alignments The angular difference between the normal to the interface and the z-direction ... Starting with a look at materials with PMA, the origin of PMA in these different materials is reviewed Next the theory and developments of GMR and TMR devices, and a background on the interlayer ... current, allows the manipulation of magnetization in a spin-valve or magnetic tunnelling junction (MTJ) into parallel (P) or anti-parallel (AP) states without the application of an external magnetic...
  • 202
  • 318
  • 0

Xem thêm