Volume 37 (2018)
Volume 35 (2016)
Volume 34 (2015)
Volume 33 (2014)
Volume 32 (2013)
Volume 31 (2012)
Volume 30 (2011)
Volume 29 (2010)
Volume 28 (2009)
Volume 27 (2008)
Volume 26 (2007)
Volume 25 (2006)
Volume 24 (2005)
Volume 23 (2004)
Volume 22 (2003)
Volume 21 (2002)
Volume 20 (2001)
Volume 19 (2000)
Volume 18 (1999)
Volume 17 (1998)
Volume 16 (1997)
Volume 15 (1996)
Volume 14 (1995)
Volume 13 (1994)
Volume 12 (1993)
Volume 11 (1992)
Volume 10 (1991)
Volume 9 (1990)
Volume 8 (1989)
Volume 7 (1988)
Volume 6 (1987)
Chemistry
New Strategy for the Synthesis of Morpholine Cores: Synthesis from N-Propargylamines

Esmail Vessally; Akram Hosseinian; Ladan Edjlali; Mirzaagha Babazadeh; Rahim Hosseinzadeh-Khanmiri

Volume 36, Issue 3 , May and June 2017, Page 1-13

Abstract
  Functionalized morpholines have attracted much attention due to their potential biological activities. Despite the wide importance of morpholine derivatives in drug design of various pharmacological agents, the development of new approaches to their synthesis remains relatively unexplored. Given the ...  Read More

Chemistry
One-Pot Synthesis of Some New α-Bromoketals and Acetals via 1,8-Diazabicyclo[5.4.0] Undec-7-ene-Hydrobromide-Perbromide

Neda Hajizadeh; Mehdi Bakavoli; Mehdi Pordel

Volume 36, Issue 3 , May and June 2017, Page 15-24

Abstract
  α-Bromoketals and acetals are important synthetic precursors in organic synthesis. In this work, some new α-bromoketals are synthesized by the reaction of aryl methyl ketones with diols in the presence of 1,8-diazabicyclo[5.4.0] undec-7-ene (DBU) hydrobromide-perbromide in good isolated yields. ...  Read More

Chemistry
Synthesis and Performance Evaluation of Chitosan Prepared from Persian Gulf Shrimp Shell in Removal of Reactive Blue 29 Dye from Aqueous Solution (Isotherm, Thermodynamic and Kinetic Study)

Ali Naghizadeh; Maryam Ghafouri

Volume 36, Issue 3 , May and June 2017, Page 25-36

Abstract
  This study was aimed to investigate the amount of reactive blue 29 (RB29) dye removal from aqueous solution by Chitosan extracted from Persian Gulf shrimp shell. The effect of parameters such as pH, the concentration of reactive blue 29 dye, contact time, and adsorbent dosage in dye removal was studied. ...  Read More

Chemistry
One-Pot Reduction of Aromatic Carboxylic Acid to Alcohol by SiO2@FeSO4 Nano Composite at Solvent-free Condition

Marziyeh Bagheri; Mostafa Karimkoshteh

Volume 36, Issue 3 , May and June 2017, Page 37-43

Abstract
  Application of SiO2@FeSO4 nanocomposite as a new nanocatalyst in reduction area was investigated. Carboxylic acid simple and convenient reduction to alcohol by 0.75 mol of the nanocomposite, 3 mol sodium borohydride (NaBH4) as reduction reagent under a solvent-free condition at 30-65 min. The reaction ...  Read More

Chemical Engineering
BiFeO3 Magnetic Nanoparticles: A Novel, Efficient and Reusable Magnetic Catalyst for the Synthesis of Polyhydroquinoline Derivatives

Maryam Khashi; Sadegh Allameh; Safar Ali Beyramabadi; Ali Morsali; Elnaz Dastmalchian; Azar Gharib

Volume 36, Issue 3 , May and June 2017, Page 45-52

Abstract
  Herein, it has been shown that the bismuth ferrite magnetic nanoparticles (BFO-MNPs) are new, efficient and recyclable catalysts for the synthesis of polyhydroquinoline derivatives by the Hantzsch reaction. The one-pot four-component cyclocondensation reaction of dimedone, aromatic aldehydes, ethyl acetoacetate ...  Read More

Chemical Engineering
Oxidative Stability of Margarine Enriched with Phoenix canariensis L. Date Peel Extract

Amrane Djouab; Salem Benamara; Abdelbaki Benamounah; Fatiha Djemel; Hassina Gougam

Volume 36, Issue 3 , May and June 2017, Page 53-64

Abstract
  This paper concerns the oxidative stability of experimental reduced-fat margarine (EM) enriched with canariensis red date peel powder extracts. For this, the two phases intended for obtaining the margarine were used first as extraction solvents. Both enriched phases thus obtained are then employed to ...  Read More

Chemical Engineering
The Role of Polypyrrole in Electrical Properties of ZnO-Polymer Composite Varistors

Nasim Asaadi; Mojtaba Parhizkar; Sajedeh Mohammadi Aref; Hassan Bidadi

Volume 36, Issue 3 , May and June 2017, Page 65-72

Abstract
  Composite films on the base of ZnO with different weight percentages of polypyrrole have been prepared using the hot pressing method and their current-voltage characteristics have been studied. Results show that the films have nonlinear varistor behavior and can be used to protect sensitive circuits ...  Read More

Chemistry
Macro and Micro Element Contents of Several Oat (Avena sativa L.) Genotype and Variety Grains

Mehmet Musa Özcan; Ahmet Bağcı; Nesim Dursun; Sait Gezgin; Mehmet Hamurcu; Ziya Dumlupınar; Nurhan Uslu

Volume 36, Issue 3 , May and June 2017, Page 73-79

Abstract
  In the current study, macro and microelement contents of oat grains were determined by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). P contents of grains were found between 2428.72 mg/kg (Arslanbey) and 4557.25 mg/kg (TL10). While K contents of oat samples change between 3055.99 ...  Read More

Chemistry
Rapid and Simultaneous Determination of Montelukast, Fexofenadine and Cetirizine Using Partial Least Squares and Artificial Neural Networks Modeling

Seyed Karim Hassaninejad-Darzi; Zarin Es’haghi; Seyed Mohammad Nikou; Mohammad Torkamanzadeh

Volume 36, Issue 3 , May and June 2017, Page 81-96

Abstract
  Simultaneous determination of pharmaceutical compounds and accurate quantitative prediction of them are of great interest in the clinical and laboratory-based investigations.This work has focused on a comprehensive comparison of Partial Least-Squares (PLS-1) and Artificial Neural Networks (ANN) as two ...  Read More

Chemistry
Preconcentration and Determination of Lead for Trace Levels in Water and Wastewater Samples by Vortex-Assisted Microextraction Using TPAS as a New Synthetic Complexing Agent with Electrothermal Atomic Absorption Spectroscopy Detection

Hassanali Moradi; Hossein Eshghi; Mahmoud Chamsaz; Abolfazl Darroudi; Fatemeh Dousti; Issa Zakeri Mofrad

Volume 36, Issue 3 , May and June 2017, Page 97-106

Abstract
  A simple and rapid solidified vortex assisted 1-undecanol based liquid-liquid microextraction technique was proposed for preconcentration of trace levels of lead ions. The extraction solvent (1-undecanol) was dispersed into the aqueous samples by the assistance of vortex agitator. 100 µL of 1-undecanol ...  Read More

Chemistry
Vortex-Assisted Inverted Dispersive Liquid-Liquid Microextraction of Naproxen from Human Plasma and Its Determination by High-Performance Liquid Chromatography

Mohammad Reza Hajmohammadi; Masoumeh Hemmati

Volume 36, Issue 3 , May and June 2017, Page 107-114

Abstract
  Extraction and determination of naproxen from human plasma were performed using Vortex-Assisted Inverted Dispersive Liquid-Liquid MicroExtraction (VA−IDLLME) and High-Performance Liquid Chromatography (HPLC). The parameters affecting extraction recovery such as type and volume of extraction ...  Read More

Chemistry
Solid Phase Extraction Using Modified Magnetic Iron Oxide Nanoparticles for Extraction and Spectrofluorimetric Determination of Carvedilol in Human Plasma Samples

Ahad Bavili Tabrizi; Mahdi Panahi

Volume 36, Issue 3 , May and June 2017, Page 115-125

Abstract
  A new analytical approach was developed involving magnetic solid–phase extraction and spectrofluorimetric determination of carvedilol in human plasma samples. A plasma sample was prepared and adjusted to pH 8.2–10, then carvedilol was quickly extracted using iron oxide magnetic nanoparticles ...  Read More

Chemistry
Selective Extraction and Determination of Di(2-ethylhexyl) Phthalate in Aqueous Solution by HPLC Coupled with Molecularly Imprinted Solid-phase Extraction

Fangyan Chen; Zhan Yang; Yubin Tang; Xingang Wang

Volume 36, Issue 3 , May and June 2017, Page 127-136

Abstract
  Surface Molecularly Imprinted Polymer (SMIP) for selective adsorption of di(2-ethylhexyl) phthalate(DEHP) was prepared on the surface of silica gel which was modified by aminopropyltriethoxysilane and acryloyl chloride in a two-step method. The prepared SMIP was used to prepare Molecularly Imprinted ...  Read More

Chemical Engineering
Assessment of Phenol Removal Efficiency by Synthesized Zero Iron Nanoparticles and Fe Powder Using the Response Surface Methodology

Hasti Daraei; Abdeltif Amrane; Hossein Kamali

Volume 36, Issue 3 , May and June 2017, Page 137-146

Abstract
  The purpose of this study was the investigation of the removal of phenol with nanoparticles zero valent iron and iron powder. The effect of various parameters such as initial concentration, pH, contact time, and dosage of NZVI and Fe powder was examined, and a Central Composite Design (CCD) was then ...  Read More

Chemistry
Fatty Acid Composition, Tocopherol and Sterol Contents in Linseed (Linum usitatissimum L.) Varieties

Bertrand Matthäus; Mehmet Musa Özcan

Volume 36, Issue 3 , May and June 2017, Page 147-152

Abstract
  The oil contents of linseeds were determined between 39.9% (Antares) and 43.3%  (Railinus). The oleic acid contents of seed oils varied between 0.8% (Maroc) and 24.8 (Railinus). The linoleic acid contents of linseed oil change between 10.2% (Avangard) and 48.2% (Maroc), while the palmitic acid of ...  Read More

Chemical Engineering
Sonication Effects on Stability and Thermal Properties of Silica- Paraflu Based Nanofluids

B. Chitra; Kumar K. Sathish

Volume 36, Issue 3 , May and June 2017, Page 153-159

Abstract
  Cooling is one of the most important challenges in industries, especially in the automotive industry. The coolant which is used in engine radiators possesses lower thermal conductivity. To enhance the thermal properties, coolant was dispersed in nano-sized particles and the fluid is called as Nanofluid. ...  Read More

Chemical Engineering
Effects of Ultrasound Working Parameters on the Ultrasonic Power Density Some Neglected Problems in the Application of Ultrasound Bath

Qing-An Zhang; Yan-Ying Yan; Xue-Hui Fan; Xiao-Li Zhang

Volume 36, Issue 3 , May and June 2017, Page 161-171

Abstract
  Ultrasound has been widely employed in food industry, while some of its working parameters are usually neglected to be described in its application, which caused the difficulty of reproducing and comparing the results obtained by different groups. So it is definitely not sufficient to simply state the ...  Read More

Chemical Engineering
Optimization of Microbial Hydrogen Production from Maize Stalk Using an Isolated Strain

Sonia K. Samson; Manikkandan T. Ramaswamy

Volume 36, Issue 3 , May and June 2017, Page 173-181

Abstract
  Experimental designs were applied for optimizing media and process parameters for hydrogen production from maize stalk hydrolyzate by a newly isolated facultative strain.Plackett-Burman design was used to identify the significant components and using this method the media components - glucose, yeast ...  Read More

Chemical Engineering
Photochemical Degradation of Fluocinolone Acetonidin Drug in Aqueous Solutions Using Nanophotocatalyst ZnO Doped by C, N, and S

Sepideh Hojat Ansari; Masoud Giahi

Volume 36, Issue 3 , May and June 2017, Page 183-189

Abstract
  It has been shown that the photocatalytic activity of doped semiconductor with some nonmetals is higher than a pure semiconductor. Hence, with an attempt to achieve higher photocatalytic activity, doped ZnO with C, N, and S was prepared by a sedimentary process and used for the photocatalytic degradation ...  Read More