In collaboration with Payame Noor University and Iranian Chemical Science and Technologies Association
Selective Determination of Nanogram Amounts of Mercury in Environmental Water, Fish and Urine Samples Using a New Synthetic Functionalized Sorbent and CVAAS after Multivariate Optimization

Shahed Hassanpoor; Gholamreza Khayatian; Amin Zolali

Volume 4, Issue 1 , March 2017, Pages 1-11

Abstract
  A solid phase extraction method based on new functionalized silica gel sorbent for the preconcentration and determination of trace mercury (II) ions by cold vapor atomic absorption spectrometry (CV- AAS) was developed. The effective parameters on mercury extraction were optimized using two optimization ...  Read More

Conductometric and Spectrophotometric Studies of the Thermodynamics Complexation of Cu2+, Hg2+, Ni2+, Zn2+, Cd2+ and Co2+ Ions with (E)-(Pyridine -2-Ylmethylidene)({2-(E)-(Pyridine-2- Ylmethylidene)Amino]ethyl} Ligands in Acetonitrile Solution and Comparison of Their Behaviors

Mahmood Payehghadr; Homa Shafieekhani; Ali Morsali

Volume 4, Issue 1 , March 2017, Pages 12-17

Abstract
  A new pyridine derivative ligand, (E)-(Pyridine-2-ylmethylidene)({2-(E)-(Pyridine-2-ylmethylidene)amino]ethyl}has been synthesized and kf value of its complexes with Cu2+, Ni2+, Cd2+, Zn2+, Hg2+ and Co2+has been determined by spectrophotometric and conductometric methods in acetonitrile at various temperatures. ...  Read More

Preparation and Review of Biocompatible Smart Hydrogel as a Rapid-Acting Insulin Carrier in Oral Insulin Drug Delivery

Naser Samadi; Mahzad Golafshan Yeganeh

Volume 4, Issue 1 , March 2017, Pages 18-24

Abstract
  In this study, an oral insulin delivery system, based on Biocompatible and smart pH sensitive Hydrogel (PSH) on to natural polymer nano-cellulose backbones has been designed. PSH is made of mixed acrylic acid and 2-hydroxyethyl methacrylate on the nano-cellulose backbones and has been identified by using ...  Read More

Vortex-Assisted Low Density Based Dispersive Liquid-Liquid Microextraction Followed by High Performance Liquid Chromatography for Determination of Three Pesticides Residues from Water Samples

Bafe Baykedagn; Yared Merdassa; Abera Gure

Volume 4, Issue 1 , March 2017, Pages 25-33

Abstract
  In this study, vortex-assisted low density based dispersive liquid-liquid microextraction followed by high performance liquid chromatography with ultraviolet detector has been developed for the determination of three pesticides including chlorflurenol-methyl, chlorfenvinphos, and diazinon from environmental ...  Read More

Electrochemical Determination of Hydrogen Peroxide at Multi-Wall Carbon Nanotube/Silver Nanoparticle Modified Electrode

Tahereh Rohani; Moghadase Yahyapoor

Volume 4, Issue 1 , March 2017, Pages 34-39

Abstract
  In this work, a new method was developed for the catalytic reduction of hydrogen peroxide at glassy carbon electrode modified with silver nanoparticles and multi-wall carbon nanotubes. Silver incorporated in this modified electrode acted as catalyst to reduce hydrogen peroxide. First, the electrochemical ...  Read More

Quantitative Structure-Activity Relationship Studies on the Histamin H3 Receptor Inhibitors Using the Genetic Algorithm-Multiple Linear Regressions

Eslam Pourbasheer; Maryam Kargar Moghadam; Alireza Banaei

Volume 4, Issue 1 , March 2017, Pages 40-50

Abstract
  A quantitative structure-activity relationship model has been created for forecasting the antagonist potency of benzyl tetrazole derivatives as human histamine receptors. Various kinds of molecular descriptors were used to represent different aspects of the molecular structures. In this method, the whole ...  Read More

Electroanalytical Determination of Isoniazid in Pharmaceutical Formulation and Human Plasma, Using a Poly(Eriochrome Black-T) Modified Pencil Lead Electrode

Karim Asadpour-Zeynali; Yaser Arteshi

Volume 4, Issue 1 , March 2017, Pages 51-58

Abstract
  In this research, an inexpensive and effective method for determination of Isoniazid (INH) is presented by using a poly (Eriochrome black T) modified pencil lead electrode. The potential of modified electrode in electrochemical sensing of INH was evaluated by cyclic voltammetry and hydrodynamic amperometry ...  Read More

Nano-SiO2 Modified by CTAB and Oxime Ligand for Separation and Preconcentration of Trace Amount of Cu(II) in Real Environmental Samples

Narges Vaezi; Nasser Dalali; Mehdi Hosseini

Volume 4, Issue 1 , March 2017, Pages 59-66

Abstract
  A simple, novel, accurate and selective method for the determination of trace amounts of Cu2+ ions in water and soil samples is proposed. The method is based on the separation and preconcentration of Cu2+ on a nano-SiO2 modified by a cetyltrimethylammonium bromide as surfactant and indane-1,2,3-trione-1,2-dioxime ...  Read More