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All published articles 999

Chromatographic Characterization of Potential Feedstocks for Biodiesel Production

Alexandre Ricardo Pereira Schuler, Francisco Sávio Gomes Pereira, Valmir Felix de Lima, Santulla Leide Bernardes Vasconcelos Carvalho & Antonio Demóstenes de Sobral · Chemical Science International Journal · 2016

In this work it was carried out the chromatographic characterisation of vegetable oils (castor, soybean, cotton and jatropha) and animal fats (beef tallow and chicken fat), considered as potential feedstocks for biodiesel production. The samples were transesterefied in microscale...

Open access Research Article 10.9734/CSJI/2016/29458

Study of Solute-solute and Solute-solvent Interaction of Glycerin and Dextrose in Buffer Solutions at Different Temperature by Using Volumetric and Acoustic Methods

Yasmin Akhtar · Chemical Science International Journal · 2016

Densities and Ultrasonic velocities of glycerin and dextrose in Na2CO3 and NaHCO3 buffer solutions have been determined experimentally at 308 and 313K. From these experimental results the adiabatic compressibility Ks, acoustic impedance Z, intermolecular free length Lf, relative...

Open access Research Article 10.9734/CSJI/2016/28872

Antioxidant Potentials of L-Ascorbic Acid (L-AA) and Butylated Hydroxytoluene (BHT) in CCl4-Induced Oxidative Damage of Soft Tissues in Wistar Rats

O. M. Ighodaro, J. O. Omole, A. O. Aminu, A. M. Adeosun & A. I. Ogunlana · Chemical Science International Journal · 2016

The antioxidant potentials of Butylated hydroxytoluene (BHT) and L-Ascorbic acid (L-AA) in CCl4-induced tissue damage were compared in adult female Wistar rats. Toxicity was induced in the animals via a single dose (i.p) of 20% 2 mL/Kg body weight (BW) of CCl4. BHT and L-ascorbic...

Open access Research Article 10.9734/ACSJ/2016/16762

Corrosion Resistance and Antimicrobial Activity of Extra- and Intracellular Fe(II) Nanoparticles Biosynthesized Via Aspergillus foetidus ATCC 14916

Nagwa M. Sidkey, Yasser M. Moustafa, Rawhia A. Arafa, Rania E. Morsi & Mai M. Elhateir · Chemical Science International Journal · 2016

This study aims to synthesizing Fe (II) nanoparticles with green synthesis method. For this purpose fungal isolate was chosen from the most potent four isolates and its metallotolerance ability towards Fe (II) was studied. Extracellular and intracellular biosynthesis of the nanop...

Open access Research Article 10.9734/ACSJ/2016/28674

Semiconducting Oligomers of 1,4-dimethoxybenzene, Thiophene and Thiazole: A Theoretical Study

Sawadogo René, Diendéré Françoise, Guiguemdé Issaka, Ouédraogo Raguilnaba & Sotiropoulos Jean-Marc · Chemical Science International Journal · 2016

Organic semiconducting oligomers containing three to nine heterocyclic units and based on 1,4-dimethoxybenzene, thiophene and thiazole have been studied by DFT and TDDFT at the B3LYP/6-31G(d,p) level. The energy of each molecule, those of the frontier orbitals HOMO and LUMO, the...

Open access Research Article 10.9734/ACSJ/2016/29235

Preparation and Characterization of PVA-NaAlg Interpenetrating Polymer Network (IPN) Hydrogel for Controlled Delivery of Carbidopa

Alarqam Zyaad Tareq · Chemical Science International Journal · 2016

Polymeric drug delivery systems are new developed technology. They can be used to support patient’s compliance. They can help to maintain uniform drug levels and increase the safety margin for high-potency drugs. Then, they decrease the number of daily doses. Thus, in this study,...

Open access Research Article 10.9734/ACSJ/2016/28990

Synthesis of β-Cyclodextrin-Epichlorohydrin Nanospheres: Its Application for Removal of p-nitrophenol

Sema Salgın, Uğur Salgın & Mehmet Ayluçtarhan · Chemical Science International Journal · 2016

The aim of this work is to investigate synthesis conditions of water insoluble β-cyclodextrin (β-CD) nanospheres that could be useful as an adsorbent to remove very low concentration of p-nitrophenol (p-NP) from water. The effect of several parameters on β-CD polymer synthesis su...

Open access Research Article 10.9734/ACSJ/2016/29198

Residual Polyphenols, Phytate and In-vitro Protein Digestibility of Extruded Sorghum-Bambara Groundnut Blends

David Iordehiin Gbenyi, Iro Nkama, Mamudu Halidu Badau & Nahemiah Danbaba · Chemical Science International Journal · 2016

Aim: This study was designed and implemented to produce instant breakfast cereals from the blends of sorghum and Bambara groundnut flour through extrusion cooking as a strategy to reduce phytic acid and polyphenol and improve the protein digestibility and solubility. Methodology:...

Open access Research Article 10.9734/ACSJ/2016/28565

Estimation of Some Essential Metallic Elements in Edible Clay from Enyigba in Ebonyi State of Nigeria Using AAS and Experiments with Rabbits

S. P. I. Ogah, T. M. Akpomie & E. O. Nwite · Chemical Science International Journal · 2016

Edible clay from Enyigba in Abakaliki, Ebonyi State of Nigeria was analyzed for, Ca, Na, Mg and K, using AAS. The results showed that the sample contains 249.000+1.73 mg/g, 71.960+3.63 mg/g, 198.570+0.90 mg/g and 84.330+2.73 mg/g of the metals respectively. The analyses of the br...

Open access Research Article 10.9734/ACSJ/2016/26972

Synthesis of Pent-aza Phenoxazines: A New Group of Anti-inflammatory Heterocycles. Their Effect and Other Analgesics on Pain

E. M. Odin, P. K. Onojah, L. E. S. Akpanisi & B. O. Akabueze · Chemical Science International Journal · 2016

The synthesis of novel 1-amino-7-methyl-2,4,6,8,9-pent-azaphenoxazine (13) and 2-aldehyde-7-methyl-4-phenyl-3,4,6,8,9-pent-aza phenoxazine (17) is reported. The pent-aza compound (13) was prepared by suspending acetamidine hydrochloride (8) in ethanol and treated with anhydrous h...

Open access Research Article 10.9734/ACSJ/2016/25008

Molecular Simulation of Tricarbonyl (1-4-η-5-exo-N-X,X-dimethylpyridino-cyclohexa-1,3-diene) Iron Complexes:- A Semi Empirical PM6 Approach

O. F. Akinyele, T. I. Odiaka & I. A. Adejoro · Chemical Science International Journal · 2016

We report herein the simulation of Tricarbonyl (1-4-η-5-exo-N-X,X-dimethyl pyridino-cyclohexa-1,3-diene) iron complexes that were carried out on the theoretical ground state  geometries, electronic, thermodynamic properties and vibrational frequencies using semi empirical PM6 met...

Open access Research Article 10.9734/ACSJ/2016/27275

Conversion of Calcium Nitrate Solution Obtained from Kyzylkum Phosphorite with Ammonium Carbonate

A. J. Allamuratova, A. U. Erkaev & A. M. Reymov · Chemical Science International Journal · 2016

The effect of the concentration of the amount of ammonium and calcium nitrate, the ratio of ammonia and nitrate nitrogen in the solution on the process of conversion of calcium nitrate formed during the processing of low-grade phosphorite with nitric acid has been studied. It has...

Open access Research Article 10.9734/ACSJ/2016/28146

Chemical Treatments of Cotton Linter Cellulose Fiber for Composite Application

M. Rahman, G. M. Arifuzzaman Khan, Md. Helal Uddin, S. M. Abdur Razzaque & Md. Shamsul Alam · Chemical Science International Journal · 2016

In the present research work, cellulose fiber was isolated from cotton linter (CL) collected from local textile mills of Kushtia district, Bangladesh. To remove dirt and impurities, CL was pre-treated with NaOH and NaClO2. Fiber was treated with a number of chemicals such as dicu...

Open access Research Article 10.9734/ACSJ/2016/28730

Physico-chemical Quality of Harvested Rainwater from Some Settlements in Uyo, Nigeria

E. A. Moses, I. I. Uwah & G. A. Ebong · Chemical Science International Journal · 2016

The use of harvested rainwater for domestic purposes is on the increase in Nigeria, as public water is inadequate as a result of population increase. This study sought to determine the quality of harvested rainwater from some settlements in Uyo, Nigeria, and assess the suitabilit...

Open access Research Article 10.9734/ACSJ/2016/27113

Turbidity and Acidity as Monitoring Parameters in the Purification of Moringa oleifera Oil for Biodiesel Production

Francisco Sávio Gomes Pereira, Alexandre Ricardo Pereira Schuler, Ana Maria Ribeiro Bastos da Silva, Chesque Cavassano Galvão, Rafael do Nascimento Pereira, Nelson Medeiros de Lima Filho & Valdinete Lins da Silva · Chemical Science International Journal · 2016

Turbidity and Acidity as Monitoring Parameters in the Purification of Moringa oleifera Oil for Biodiesel Production This study had as aim the analytical monitoring made during the purification applied to the mixed crude oil extracted from the Moringa oleifera Lamarck seeds by pre...

Open access Research Article 10.9734/ACSJ/2016/28799