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Abstract Aluminum phosphide (AlP) poisoning had high morbidities and mortalities with absence of a standardized approach for the treatment. The present study investigated the efficiency of GIT decontamination methods and Coenzyme Q10(Co Q10) (Ubiquinone) in improving the outcome of acute AlP poisoning. A total of 90 patients were included and all patients received immediately supportive measures, then they distributed into three equal groups: In group I, gastric lavage was done using KMNO4 solution (1:10 000); group II received 250–500 ml liquid paraffin oil orally; group III received 300 mg of Co Q10 dissolved in liquid paraffin. Co Q10 was continued in a dose of 200 mg/day every 12 h. Follow-up blood pressure, arterial blood gases, serum troponin level and need for intubation revealed that the best improvement was in group III followed by group II. The percentage of survivors was 76.67% in group III and 70% of the patients had no residual effects. In group II, the survivors were 63.33%, and 36.67% of the cases discharged without sequelae. The survivors in group I constituted 26.67% and only 16.67% of the patients had no residual effects. GIT decontamination with aqueous solutions in acute AlP poisoning should be avoided. Rapid oral intake of any available oil as a prehospital treatment or immediately on hospital admission could critically improve the outcome of acute AlP poisoning. Besides, the addition of Co Q10 to the oil further improve patients’ prognosis. HighlightsAcute aluminum phosphide (AlP) poisoning is associated with high mortalities.The appropriate method of GIT decontamination in acute AlP poisoning is controversy.Conventional gastric lavage was associated with poor prognosis in acute AlP poisoning.GIT decontamination using liquid paraffin oil improved outcome of acute AlP poisoning.Coenzyme Q10 ameliorated AlP toxicity with improvement of cardiac functions.

The objectives of this study were to prepare and characterize nano-clay particles from an alluvial Nile Delta Egyptian soil and to understand and evaluate its efficacy for removal of Cu(II) from aqueous solutions. Nano-clay particles were prepared by ball milling of the clay soil fraction and their nano scale was confirmed by SEM image analysis. The XRD peaks revealed the dominance of montmorillonite clay minerals in soil clay and nano-clay adsorbents. FTIR features indicated the characteristic surface functional groups of smectite clays for both adsorbents. Cu(II) adsorption by the two adsorbents tended to increase with increasing initial Cu(II) concentration (10 to 150 mg L -1 ), adsorbent dosage (0.05, 0.1, 0.25, 0.5, 1 g/100 ml) and pH (4, 7 and 9). The two adsorbents showed high buffering capacity of the solution pH. Nano-clay adsorbent could remove higher amounts of Cu(II) from aqueous solutions (62%) than soil clay (45%) at initial Cu(II) concentration of 50 mg L -1 in the aqueous solution. Equilibrium time of 30 min. was achieved under the various experimental conditions which suggests ion exchange mechanism. Data of adsorption isotherms and kinetics were statistically best fitted to pseudo-second order and Langmuir models, respectively.

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