influence of binders on the sensing and electrical characteristics of wo3-based gas sensors

... changing the distribution of interfaceistates and the electron occupation on them. In some cases,even the concentration of the adsorbed gas ions can bewxmeasured from the change of potential ... interaction with gas. When gas molecules are adsorbed on the surface of a semiconductor, electron transfer occursbetween the semiconductor and the adsorbates. If the electron affinity of the adsorbates ... fabricatedwith binders respond faster to the NO gas than the onexFig. 2. Typical output voltage responses of the sensors at various concen-trations of NO and CO gases.xFig. 3. Operation-temperature...

Báo cáo khoa học: Effects of salt on the kinetics and thermodynamic stability of endonuclease I from Vibrio salmonicida and Vibrio cholerae potx

... study, the effect of NaCl concentration on the kinetic constants and thermodynamic stability of VsEndA and VcEndA was investigated. In addition, the effects of reciprocal mutations of two non-con-served ... boundary conditions, and the resulting grid was adopted as the boundary condi-tion for one further focused calculation. The protein mole-cules occupied 90% of the box in the final calculations. The molecular ... is the ithmeasurement of reflection h and <I(h)> is the weighted mean of allmeasurements of h.b5% of the reflections were used in the R-free calculations.Effects of salt on Vibrio endonucleases...

Báo cáo khoa học: Context-dependent effects of proline residues on the stability and folding pathway of ubiquitin docx

... substitutions imposed on the backbone conformation of WT* shows that the pattern of P37P38P19W45Fig. 1. Ribbon structure modelled on the X-ray structure of humanubiquitin [32]. The position and ... erturba-tions and the pattern of NOEs in the vicinity of the mutation sites. Deviations of Ha signals from random coilchemical shifts pro vide a sensitive probe of local perturba-tions to secondary ... solution of native protein wasunfolded by a 1 : 10 dilution to yield ﬁnal concentrations of GdmCl near or above the midpoint of the equilibriumunfolding transition (concentrations of GdmCl in the range...

Báo cáo khoa học: Isothermal unfolding studies on the apo and holo forms of Plasmodium falciparum acyl carrier protein Role of the 4¢-phosphopantetheine group in the stability of the holo form of Plasmodium falciparum acyl carrier protein docx

... linked to the protein by the Ser37 O-c atom. Only residues 31–38 of the protein make extensive contactswith the cofactor. For the sake of better understanding of the interactions, the entire ... structure, on the basis of their percentage contri-butions (65% and 35%, respectively) to the overallstructure of the protein. The structures of the major and minor conformations of holo-ACP bear ... against the fraction number (AU, arbitrary unit). (d) The apparent molecular masses of apo-ACP and holo-ACP were estimated on the basis of the linear regression of the fraction number of the molecular...

Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx

... residues, and thereforecontribute to the s tabilization of the parallel coiled-coilstructure b y ionic interactions with residues a t positions e¢ and g¢ of the other helix. P ositions b, c and f ... indicate that the maineffects of mutations A63V, K70T and E180G are mainlyrelated to the overall stability of the protein as a whole, ratherthan on the position of the mutation in the polypeptide ... chain,as demonstrated by the biophysical assays. Our studies h aveprovided additional contributions to the understanding of the effects of these mutations on the clinical symptoms of patients...

Báo cáo "Effects of Zn content on the magnetic and magnetocaloric properties of Ni-Zn ferrites " pdf

... interaction B-B - between ions in sublattice B and interaction A-B - between ions of sublattices A and B. We denote λaa, λbb, λab correspond to molecular-field constants of exchange interaction ... lattice constant and volume of unit cell increase with Zn content in the samples due to larger ionic radius of Zn2+ ion (0.82 Å) substituted for Ni2+ ion (0.78 Å). The X-ray density, the real ... Fig. 2, where ϕ is the angle between direction of magnetic moment of A ions and magnetic moment of B1 and B2 ions. Comparing MSt and MSe from Tab. 2, we could determine the canting angle...

Báo cáo khoa học: Effects of a tryptophanyl substitution on the structure and antimicrobial activity of C-terminally truncated gaegurin 4 doc

... structures randomly showed a shorta helical conformation in the C-terminal part. The dis-ordered conformation in the C-terminal region of D24)37GGN4 is probably due to the break of the peptide bond ... both of the environments than those of the other residues (Fig. 2D). However, the orientation of the tryptophan side chain from the helical axis was quitedifferent between the two conditions ... takenwith a 5-nm excitation and emission bandwidth, a 0.5-sresponse time, and a scan speed of 40 nmÆs)1. All samplescontained 8 lMpeptide or the same concentration of NATA for control experiments,...

EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS

... flavone (Bui et aI., 2004). There were studies that only compare the effect of drying methods alone (Chan et aI., 2009); and also study on the optimization of extraction conditions ... 2003. Comparison of the Total Phenolic and Ascorbic P.:::l Content of Freeze-Dried and Air-Dried Marionberry, Strawberry, and Corn Grown Using Conventional, OrganiC, and Sustainable ... that, some of the plants were treated as culinary herb and used as season and to preserve food. The examples of common culinary herbs were cinnamon, garlic, ginger, onion, parsley,...

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