: Kinetic investigations in Keggin-type Tungstophosphoric acid catalyzed oxidation of benzhydrol by N-bromoisonicotinamide (NBIN) in aqueous acetic acid medium have been carried out. The oxidation kinetics of benzhydrol by NBIN in presence of TPA (Tungstophosphoric acid) shows a first order dependence on [NBIN], [TPA] and fractional order on [benzhydrol]. The variation of ionic strength, added concentrations of salts viz. KCl and NaCl, H⁺ and isonicotinamide (reaction product) have insignificant effect on reaction rate. Activation parameters for the reaction have been evaluated from Arrhenius plot by studied the reaction at different temperatures

The present study is the method to discovery anew inhibitor that can to simply be used and handled, as well as non-toxic, cheap and accessible. In this study, an aqueous extract from natural plant-like (Ziziphus jujube) is used to protect aluminum in acidic mediums and for the reason of estimating the inhibition performing of this inhibitor, many examinations have been attended which contain determining the corrosion rate within methods known weight loss, and microscopic examination test. In losing weight method, the inhibition efficacy of aluminum corrosion in HCl acid solution reached about (91.26 %). The microscopic investigation test shows the clarity of the metal surface which is underneath the corrosion medium and which includes inhibitor from any kind of corrosion that can be found on the surface which is under mediums absolutely empty from inhibitor and furthermore shows the clarity of that protect film on the surface. The information on the corrosion rate illustrates that the means of doing that organic inhibitor is adsorbing and the inhibitor molecules are adsorbed on the metal surface corresponding to Langmuir adsorption isotherm.">

The ethanolic recovering of water hyacinth is a process that generates extraction residues. These residues are recovered in this study by methanization and composting processes. These are extraction residues from pre-treatment with sulphuric acid or sodium hydroxide. For methane production, these residues were combined with or without chicken manure for 30 days. The study aims at assessing the effect of the two types of pre-treatment and of their combination on biogas production and the quality of the compost generated. For this purpose, a Methanogenic Potential test was carried out for different combinations and the digestate is used in compost. The Pareto effect is analyzed to determine the most significant factors for biogas production. The results show that the extraction residues from the pre-treatment using sulphuric acid produce more biogas (0.052m³/kg vegetable DM) than those from the sodium hydroxide pre-treatment (0.037m³/kg vegetable DM). It is also noted that the acidity of the substrate and water are two catalytic elements in biogas production. The E8/A combination produced the highest biogas with 0.208 m³/kg DM vegetable compared to 0.149 m³/kg DM vegetable for E8/S. The organic and inorganic compound contents of the composts from E8/A and E8/S are considerable and respectively 86/1 and 194/1 for the C/N ratio; 0.015 and 0.016 g/g DM for Phosphorus; 0.022 and 0.032 g/g DM for Potassium. This integrated recovery system is an asset for the environmentally sustainable management of extraction residues and of the environment.

Fluoride is one of the most important Geo- Environmental issues in 25 developed as well as developing nations. Excessive ingestion of fluoride results into a disease called fluorosis. The fluoride content is ground water and it’s imparted on human health imparting human living. Fluoride content in water, concern for drinking water quality centered on its aesthetic qualities. The presence of fluoride in exceeding limits and its related problems of drinking water prevailing in many parts of India is well documented. Fluoride in drinking water is known both beneficial and determinate effects on health. Fluoride   leads dental and skeleton problems in human health. The ion – exchange / adsorption can be applied to either concentrated or diluted solution and they are capable of achieving complete removal under proper conditions. This paper on fluoride content in ground and its effects on human health and some methods for removing fluoride contents in ground water. Ground water samples of Kanina block of Mahendergarh district have been collected from the bore wells. The results indicate that fluoride concentration is varying from 0.7 - 4.9 mg/L. This Paper briefly presents that Kanina block contains high content of fluoride in ground water.

The inhibition of the corrosion of zinc in H₂SO₄ acid by aniline has been investigated by using weight loss, temperature effect, kinetic, adsorption and thermodynamic techniques. Corrosion rate increases with the increase in acid concentration and temperature. As inhibitor concentration increases corrosion rate decreases while percentage of inhibition efficiency (I.E.) increases. As temperature increases I.E. decreases. Maximum I.E. of aniline was found up to 83.79 % at 60 mM inhibitor concentration in 0.1 M H₂SO₄ solution. The value of free energy of adsorption (DG⁰_ads), heat of adsorption (Q_ads), energy of activation, (E_a), enthalpy of adsorption (DH⁰_ads) and entropy of adsorption (DS⁰_ads) were calculated.  The inhibition effect is discussed in view of aniline molecules adsorbed on the metal surface and it obeys Langmuir adsorption isotherm. The results obtained showed that the aniline could serve as an effective inhibitor for corrosion of zinc in H₂SO₄.

A series of N-Substituted benzylidene-4-(10H-phenothiazin-8-yl) thio/oxazol-2-amine (4a-h) by reacting 4-(10H-phenothiazin-8-yl) oxa/thiazol-2-amine with different Aromatic aldehydes under microwave irradiation. The newly synthesized compounds were characterized by IR, 1H NMR, mass spectroscopy, elemental analysis and evaluated for antimicrobial activities. Out of eight synthesized compounds four compounds showed good activities.

An inexpensive, eco-friendly, ultrasound assisted synthesis of 3, 4-disubstitued isocoumarins via o-acyl benzoic acid and bromoacetophenone derivatives was achieved. This methodology affords moderate to good yields of 3, 4-disubstituted isocoumarins and was successful in synthesis of different derivatives of isocoumarins. The reactions were monitored with TLC intermittently for ultrasound assisted synthesis.  The products were characterized by IR, ¹H-NMR and Mass Spectroscopy. The products obtained from ultrasound assisted synthesis complied with spectroscopic assignments as with those obtained from the conventional method. The synthesized compounds were evaluated for different biological activities and several compounds exhibited moderate to potent activity

Blood transfusion is based on transfusion safety. The National for Blood Transfusion Center (CNTS) in Côte d'Ivoire has set up a quality control laboratory for blood products since 2009 as an additional and essential device for transfusion safety. This study therefore aims to present the experience in quality control of the blood products at CNTS CI. To assess the characteristics of erythrocyte concentrates (volume, hematocrit level, total amount of hemoglobin and also to assess the conformity of the blood grouping.  This retrospective study took place from February 2010 to December 2013 and concerned erythrocytic concentrates (EC). The ECs were selected by the census method for ABO post-labeling control (C1) and by the random sampling method for the evaluation of the total amount of hemoglobin (C2). The checks are non-destructive and were carried out on a distal tube taken from the blood products. The C1's task was to check the accuracy of the group on the label. For the C2, the parameters studied were: volume, hematocrit level and hemoglobin level. The results obtained for these parameters were compared to the CNTS CI reference system. Statistical analyzes were performed using EXCELL software and the Chi-square test.  Over the four years, 133,834 CE were checked for C1 and 3,421 CE for C2. For C1, the average discrepancy rate was 1.86 / 10,000. For C2, the average compliance rate was 98.71% for pediatric ECs and 93.85% for adult ECs.  The importance of quality control of PSLs was imposed by the relevance of its results, as an essential element in transfusion safety at CNTS-CI. The nonconformities revealed are the subject of a cause analysis which involves several departments of the transfusion chain, which reinforces their implications in the application of good transfusion practices in their respective department.

La transfusion sanguine repose sur la sécurité transfusionnelle. Le CNTS Côte d’Ivoire a mis sur pied depuis 2009 un laboratoire de contrôle qualité des PSL comme un dispositif supplémentaire et essentiel à la sécurité transfusionnelle. Aussi la présente étude se donne pour fin de présenter l’expérience en matière de contrôle qualité des PSL au CNTS CI.Evaluer les caractéristiques des concentrés érythrocytaires (volume, taux d’hématocrite, quantité totale d’hémoglobine et aussi évaluer la conformité du groupage sanguin.  Cette étude rétrospective s’est déroulée de février 2010 à décembre 2013 et a concerné les concentrés érythrocytaires (CE). Les CE ont été sélectionnés par la méthode de recensement pour le contrôle ABO post-étiquetage (C1) et par la méthode d’échantillonnage aléatoire pour l’évaluation de la quantité totale d’hémoglobine (C2). Les contrôles sont non destructifs et ont été effectués sur un boudin distal prélevé sur les PSL. Il s’est agi pour le C1 de vérifier l’exactitude du groupe figurant à l’étiquette. Pour LE C2, les paramètres étudiés étaient : le volume, le taux d’hématocrite et le taux d’hémoglobine. Les résultats obtenus pour ces paramètres ont été comparés au référentiel du CNTS CI. Les analyses statistiques ont été effectuées à l’aide du logiciel EXCELL et du test du Chi deux.  Sur l’ensemble des quatre années 133 834 CE ont été contrôlés pour le C1 et 3 421 CE pour le C2. Pour le C1 le taux de discordance moyen était de 1,86/10 000. Pour le C2, le taux de conformité moyen était de 98,71% pour les CE pédiatriques et de 93,85% pour les CE adultes.  L’importance du contrôle qualité des PSL s’est imposée par la pertinence de ses résultats, comme un élément essentiel dans la sécurité transfusionnelle au CNTS-CI. Les non conformités révélées font l’objet d’une analyse de causes qui fait intervenir plusieurs services de la chaine transfusionnelle, ce qui renforce leurs implications dans l’application des bonnes pratiques transfusionnelles dans leur service respectif.

The purpose of the research is the development of a novel method of composite preparation based on clay. Urea-formaldehyde clay composites were prepared at a temperature of 60oC by loading clay in the basic medium. For the development of clay modified composites, Different clay contents (10 wt %, 20 wt %, 30 wt %) was used. For structural and thermal analysis, XRD and DSC characterization techniques have been used. The DSC results showed that the Tg-Tm region of some composites is improved; it is accomplished that these samples have farther better thermal properties than urea-formaldehyde resin has. From XRD results, it is found that the clay completely exfoliated when mixed with UF. This study gives the methodological information for the synthesis of composites..