ArticleBioinorganic chemistry and applications2013
Coordination dynamics and coordination mechanism of a new type of anticoagulant diethyl citrate with ca(2+) ions.
Article in Bioinorganic chemistry and applications, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 9 citations in OpenAlex.
- The Increase in the Plasticity of Microcrystalline Cellulose Spheres' When Loaded with a Plasticizer.Pharmaceutics · 2024Article
- Diethyl citrate and sodium citrate reduce the cytotoxic effects of nanosized hydroxyapatite crystals on mouse vascular smooth muscle cells.International journal of nanomedicine · 2017Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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Abstract
Diethyl citrate (Et2Cit) is a new potential anticoagulant. The coordination dynamics and coordination mechanism of Et2Cit with Ca(2+) ions and the effect of pH on the complex were examined. The result was compared with that for the conventional anticoagulant sodium citrate (Na3Cit). The reaction order (n) of Et2Cit and Na3Cit with Ca(2+) was 2.46 and 2.44, respectively. The reaction rate constant (k) was 120 and 289 L·mol(-1) ·s(-1). The reverse reaction rate constant (k re) was 0.52 and 0.15 L·mol(-1) ·s(-1), respectively. It is indicated that the coordination ability of Et2Cit with Ca(2+) was weaker than that of Na3Cit. However, the dissociation rate of the calcium complex of Et2Cit was faster than that of Na3Cit. Increased pH accelerated the dissociation rate of the complex and improved its anticoagulant effect. The Et2Cit complex with calcium was synthesized and characterized by elemental analysis, XRD, FT-IR, (1)H NMR, and ICP. These characteristics indicated that O in -COOH and C-O-C of Et2Cit was coordinated with Ca(2+) in a bidentate manner with 1 : 1 coordination proportion; that is, complex CaEt2Cit was formed. Given that CaEt2Cit released Ca(2+) more easily than Na3Cit, a calcium solution was not needed in intravenous infusions using Et2Cit as anticoagulant unlike using Na3Cit. Consequently, hypocalcemia and hypercalcemia were avoided.
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