Ionic strength
The Hinge Segment of Human NADPH-Cytochrome P450 Reductase in Conformational Switching: The Critical Role of Ionic Strength
... on ionic strength, reinforcing the hypothesis of the presence of critical salt interactions at the interface between the FMN and connecting FAD ...potential ionic interactions of the hinge ...
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The effect of macromolecular crowding, ionic strength and calcium binding on calmodulin dynamics.
... of ionic strength and macromolecular crowding, we first analyzed the far-UV CD spectra and thermal unfolding of CaM in the absence and presence of Ca 2+ ...low ionic strength, apoCaM is ...
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Nickel adsorption and desorption in an acric oxisol as a function of pH, ionic strength and incubation time
... increasing ionic strength in both the topsoil and subsoil soil ...pH, ionic strength of soil solution and the Ni-soil contact time should be considered as criteria for selecting the areas for ...
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Microfludic device for creating ionic strength gradients over DNA microarrays for efficient DNA melting studies and assay development.
... defined ionic strength over a glass slide, in which each zone corresponds to a ...that ionic strength gradients function in a similar fashion as corresponding thermal gradients in assay ...
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ACTIVITY OF PHOSPHORUS OF SYNTHETIC Fe-K-P COMPOUNDS IN SUPERPHOSPHATE FERTILIZERS AS AFFECTED BY pH AND IONIC STRENGTH
... and ionic strength using software ...and/or ionic strength of the solution, which in turn suggests that an increase in the solution pH does not necessarily promote an increase in the P ...
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Influence of ionic strength on the rheological properties of hydroxypropylmethyl cellulose-sodium dodecylsulfate mixtures
... the ionic strength of the HPMC/SDS mixtures is increased, indicating the same HPMC–SDS interaction ...increased ionic strength, the vis- cosity in the interaction region is higher when ...
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Nickel Adsorption by Variable Charge Soils: Effect of pH and Ionic Strength
... -1 ionic strength condition, which best reproduced the natural conditions of the soil solution, the maximum ∆ G values was -4850 J mol -1 for subsoil sample from RH at pH ...
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Soil management and ionic strength on selenate retention in oxidic soils
... Care must be taken in making inferences on the type of adsorption complex formed based only on the IS factor, since several studies have shown wide dynamics of complexes formed by Se in different types of materials and ...
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Chemisorption of divalent cations on a silica gel surface modifield with thioglycolic acid: pH influence and ionic strength.
... CHEMISORPTION OF DIVALENT CATIONS ON A SILICA GEL SURFACE MODIFIELD WITH THIOGLYCOLIC ACID - pH INFLUENCE AND IONIC STRENGTH. A novel type of heavy metal adsorbent was prepared by the covalent grafting of ...
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J. Braz. Chem. Soc. vol.15 número2
... To study the effect of the ionic strength on the extraction efficiency, for each alkylpyrazine the peak areas obtained after extractions of samples suspended on aqueous NaCl solutions wi[r] ...
5
Original Paper Characterization of volatile substances in apples from Rosaceae family by headspace solid-phase microextraction followed by GC-qMS
... According to the proposed methodology, the volatile compounds were extracted from apple samples using the HS-SPME technique that is very sensitive to experimental conditions. Since it is an equilibrium technique, any ...
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Purification of recombinant human membrane COMT by ionic exchange chromatography
... and ionic strength ...salts, ionic detergents and zwitterionic surfactants [2, 7, 10]. The ionic detergents contain a hydrophobic hydrocarbon chain and a polar head group, which has a net ...
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Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Universidade Federal da Fronteira Sul, Campus de Erechim, Rodovia ERS 135, Km 72, 99700-970 Erechim, RS, Brazil Manuscript received on June 9, 2016; accepted for publication on January 1, 2017 A
... Results showed that a PF of 4.8-fold and a yield of 78.1 % were achieved after the change in the ionic strength followed by precipitation. These results are very promising when compared to the ones ...
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J. Braz. Chem. Soc. vol.22 número9
... The present work describes a successful application of microextraction packed sorbent and liquid chromatography with diode array detection (MEPS/LC-DAD) for simultaneous determination of the sulfonamides (sulfacetamide, ...
6
Relevance of Hydrodynamic Effects for the Calculation of Outer Surface Potential of Biological Membrane Using Electrophoretic Data
... and ionic strength conditions, erythrocytes of many animal species exhibit a negative electrophoretic mobility, especially due to charged groups present in the glycocalyx layer (Jitendra et ...
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Estudo físico-químico de nanopartículas de DNA com derivado de quitosana contendo grupos fosforilcolina
... The interactions between phosphorylcholine-substituted chitosans (PC-CH) and calf-thymus DNA (ct- DNA) were investigated focusing on the effects of the charge ratio, the pH, and phosphorylcholine content on the size and ...
119
Eclet. Quím. vol.35 número2
... In fact, it is only necessary to know one mass parameter and pH to determine species con- centrations. The inverse is true: if two mass para- meters values are known, it is possible to determi- ne pH provided ...
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Benefits of membrane electrodes in the electrochemistry of metalloproteins: mediated catalysis of Paracoccus pantotrophus cytochrome c peroxidase by horse cytochrome c: a case study
... Abstract A comparative study of direct and mediated electrochemistry of metalloproteins in bulk and membrane- entrapped solutions is presented. This work reports the first electrochemical study of the electron transfer ...
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J. Braz. Chem. Soc. vol.24 número11
... Although the presence of large clusters to PAHM-0 has been observed, and especially at low ionic strength, its reduced viscosity does not change in all studied salt ranges (Figure 8). At first, these ...
11
J. Braz. Chem. Soc. vol.19 número5
... oxidic interfaces, that represent well the solid-solution interface of highly weathered soils, there is a critical pH interval, generally smaller than two units, where the metal adsorption percentage can increase clearly ...
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