Oxalate


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oxalate

[′äk·sə‚lāt]
(organic chemistry)
Salt of oxalic acid; contains the (COO)2 radical; examples are sodium oxalate, Na2C2O4, ammonium oxalate, (NH4)2C2O4·H2O, and ethyl oxalate, C2H5(C2O4)C2H5.

Oxalate

 

any acidic or neutral salt of oxalic acid, for example, HOOC—COOK and NaOOC—COONa.

References in periodicals archive ?
By promoting active and passive secretion of oxalate from the plasma into the gut, Oxabact potentials elimination of oxalate via the gut, lowering the oxalate burden in the kidneys.
LDHA deficiency in the liver may be beneficial for patients with PH, as the LDHA enzyme is implicated in the abnormal production of oxalate in PH, which in turn is responsible for the severe damage to kidneys and other organs in patients with PH.
Most of the patients were overweight (70.91 %), including 35 out of 49 males and 4 out of 6 females Regarding the chemical composition, calcium oxalate was the commonest constituent, in 33(60%); patients followed by pure form of uric acid, 10 (18.18%); calcium phosphate, 6(10.90%) and calcium magnesium phosphatein, 3 (5.45%) patients, whereas, magnesium phosphate, calcium carbonate and magnesium ammonium phosphate stones were found in one patient each (1.81%), (Table-1).
Therefore, the aim of this work was to synthesize, characterize poly(cis/trans-1,4-cyclohexane dimeth- ylene oxalate) and to study its uptake towards Cd(II), Pb(II) and Zn(II) ions as a function of shaking time, concentration, pH, and temperature.
There are normal bacteria in feline intestines called Oxalobacter formigenes that survive by metabolizing oxalate. The population of this bacterium is affected by many antibiotics, so using medications only as needed can help to maintain helpful gastrointestinal flora.
Isolates were screened for oxalate oxidase activity by streaking the isolates on solidified basal mineral medium having the composition (g[L.sup.-1):] K[H.sub.2]P[O.sub.4]-3, [Na.sub.2]HPO[.sub.4]-6, NaCl-5, N[H.sub.4]Cl-2, MgS[O.sub.4]7[H.sub.2]O-0.1, Agar-15 and 5-calcium oxalate.
Oxalate, along with other low-molecular-weight carboxylic acids, is found in soil solutions.
Cell membrane phospholipids, as part of organic matrix, promote the formation of calcium oxalate and calcium phosphate stones [41].
Pure stones Partial Substances detected (n) Agreement (n) agreement (n) Calcium oxalate monohydrate (47) 44 3 Calcium oxalate dihydrate (1) 1 0 Carboapatite (1) 1 0 Anhydrous uric acid (4) 4 0 Brushite (2) 2 0 Ammonium urate (1) 1 0 Cystine (10) 10 0 Proteins (5) 5 0 Total (71) 68 (95.7%) 3 (4.3%) Disagreement Substances detected (n) (n) Calcium oxalate monohydrate (47) 0 Calcium oxalate dihydrate (1) 0 Carboapatite (1) 0 Anhydrous uric acid (4) 0 Brushite (2) 0 Ammonium urate (1) 0 Cystine (10) 0 Proteins (5) 0 Total (71) 0 (0.0%) Table 3: Composition and agreement in pure stone with substances in trace group.
Similar to the air sac, fungal bodies and oxalate crystals were present within other respiratory tissues.
The thermal decomposition of zinc oxalate (ZZ) and Ti-doped zinc oxalate (ZT) precursors was carried out within the same temperature range of 30-650[degrees]C (as shown in Figure 3).