ionic strength

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i·on·ic strength (I),

symbolized as Γ/2 or I and set equal to 0.5Σmizi2, where mi equals the molal concentration and zi the charge of each ion present in solution; if molar concentrations (ci) are used instead of molality (and the solution is dilute), then I = 0.5(1/ρocizi2 where ρo is the density of the solvent; a number of biochemically important events (for example, protein solubility and rates of enzyme action) vary with the ionic strength of a solution.

i·on·ic strength

(I) (ī-on'ik strengkth)
Symbolized as Γ/2 or I and set equal to 0.5Σmizi2, where mi equals the molar concentration and zi the charge of each ion present in solution; if molar concentrations (ci) are used instead of molality (and the solution is dilute), then I = 0.5(1/ρocizi2 where ρo is the density of the solvent; a number of biochemically important events (e.g., protein solubility and rates of enzyme action) vary with the ionic strength of a solution.
References in periodicals archive ?
A solution with a higher ionic strength is able to pass more ions in the form of ions associates.
The aim of this study was to evaluate if ionic strength variation of essentials mineral elements causes differential accumulation of essentials heavy metals in plants of Annona emarginata (Schltdl.) H.
[61] investigated emulsifying properties of pumpkin seed (Cucurbita pepo) protein isolate at different pH values (3, 5, and 8) and ionic strengths (0 and 0.5 mol/dm3 NaCl) of the emulsions.
(2010), who evaluated several properties from squid mantle and fin proteins under operational variables, particularly pH and ionic strength. They found that solubility was a requisite for useful protein properties.
The morphological difference of the fibrils at various ionic strengths can be attributed to the changes of intermolecular interaction.
Batch studies were performed to address various experimental parameters like contact time, pH, temperature, stirring speed, ionic strength, adsorbent dosage and initial concentration for the removal of this dye.
As stated by Bockris and Reddy (1972), the reduced cation concentration was associated with reduced ionic strength, which was consequently associated with enhanced 13.
The inner-sphere and outer-sphere complexes can be distinguished by studying the effect of ionic strength on anion partitioning (Hayes et al.
Figure 5 depicts the results of the quiescent deposition experiments where the membrane was immersed in quiescent colloidal (100 nm polystyrene latex) suspensions of 0.001 and 0.01M ionic strengths for 3d.
Recently we described a photonic crystal glucosesensing material that operated at physiologic pH (7.4) and ionic strengths (8).
NaCl solutions with the same conductivities as those measured in centrifuged soil solutions were added to keep ionic strengths constant.