complexation


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Related to complexation: chelation, complexation reaction

complexation

[‚käm‚plek′sā·shən]
(chemistry)
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The approach of cyclodextrin complexation can be used to increase the water solubility and dissolution rate of poorly soluble drugs and to solve bioavailability problems.
(12.) D Omanovic, C Garnier and I Pizeta, "ProMCC: An All-in-one Tool for Trace Metal Complexation Studies," Marine Chemistry, 173 (2015), 25-39.
Optimum reaction time was established by monitoring the complexation within time span of 1.5 minutes.
Furthermore, ATR-FTIR measurements showed that the cooperative adsorption behaviour of phosphate and aqueous Fe(II) likely results from a combination of ternary complexation and electrostatic interactions; surface complexation modelling studies required the inclusion of ternary complexes to simulate all conditions of the macroscopic data, further suggesting that phosphate and Fe(Il) formed ternary complexes on Gt and Hm surfaces (Hinkle et al.
Since the nature of solvent may strongly influence the complexation of transition metal complexes in solution, we decided to study the complexation reaction of a recently synthesized pyrazoloisoindol derivative ligand, 2,3-dimethy[L.sup.-1],2-dihydro-8H-pyrazolo[5,1-a]isoindol-8-one, (Figure 1), with some transition metal ions in acetonitrile solutions.
Studies on the complexation of actinides by mono-, di-, and hydroxycarboxylic acids also show a rising trend, mainly for two reasons.
However, the resolution on these phases under the same chromatographic conditions was observed to be incomparable with that on the [C.sub.phe] phase, strongly suggesting that there was some form of force other than hydrophobicity or [pi]-[pi] complexation interaction involved in the chromatographic process.
No complexation was observed on addition of OKG solution to CH solution at ratio of 1: 9.
The stoichiometry for the inclusion complexation of CB7 with SY was determined using Job's experiments by fluorescence spectroscopy.
The heavy metals discharged in the water bodies through different sources would finally be enriched in the sediments by adsorption, complexation, flocculation, and sedimentation [7,8].
These studies have demonstrated the importance of MD in understanding metal complexation at the molecular-level and, in some cases, have provided complementary information that helped resolve apparent discrepancies in the interpretation of experimental results [13, 22].
Keeping in view the strong complexation between Fe(III) and AHA, biological significance of AA and AHA, a study of reduction of [Fe(III)-AHA] complex by ascorbic acid (AA) is reported here.

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