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Journal of the Chemical Society of Pakistan: Recent submissions

Now showing items 1-20 of 651

Simple Growth and Characterization of α-Sb₂O₄: Evaluation of their Photo-catalytic and Chemical Sensing Applications

ASLAM JAMAL; MOHAMMED MUZIBUR RAHMAN; SHER BAHADAR KHAN; MOHAMMED MARGUB ABDULLAH; MOHD FAISAL; ABDULLAH MUHAMMAD ASIRI; AFTAB ASLAM; PARWAZ KHAN; KALSOOM AKHTAR (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2013-06-20)

A comprehensive study on the synthesis, characterization and application of antimony oxide (α-Sb2O4) has been reported in this paper. Antimony oxide (α-Sb2O4) is successfully synthesized by hydrothermal method using antimony ...
Development of Sensor Calibration against Standards using Measurement Software TestPointTM-CEC and Application to the Verification of pH Electrodes

MUHAMMAD FARRAKH NAWAZ; GUILHEM BOURRIÉ (Karachi: The Chemical Society of Pakistan, 2012-02-02)

The acquisition, processing and presentation of data from many commercial devices have been simplified by use of personal computers (PCs) and effective software in last decades. As compared to text-based languages, such ...
A Sensor for Determination of Tramadol in Pharmaceutical Preparations and Biological Fluids Based on Multi-Walled Carbon Nanotubes-Modified Glassy Carbon Electrode

MOHAMMAD AFRASIABI; ZEINAB REZAYATI ZAD; SHOKAT KIANIPOUR; ALI BABAEI; ALI REZA TAHERI (The chemical society of Pakistan is an approved society from the PSF., 2013-08-08)

A chemically modified electrode is constructed based on multi-walled carbon nanotube modified glassy carbon electrode (MWCNTs/GCE). It is demonstrated that this sensor could be used for determination of pharmaceutical ...
Effect of Oleic Acid on the Permeation Kinetics of Diclofenac Diethylamine

SYED NISAR HUSSAIN SHAH; MUHAMMAD SALMAN; MASHOOD AHMAD; MAHBOOB RABBAN; AMIR BADSHAH (Karachi: The Chemical Society of Pakistan, 2012-02-01)

In vitro permeation studies were done using modified Franz diffusion cell through rabbit skin and silicone membrane utilizing different ratios of oleic acid with diclofenac diethylamine (DDA) in normal saline and methanol ...
Synthesis of Bisnaphthyl Based Thiol Stabilized Gold Nanoparticles

MAIMOONA KHATOON; ASRA MUSTAFA; MUHAMMAD RAZA SHAH (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

Bisnaphthyl based thiol stabilized gold nanoparticles were synthesized by the chemical reduction of corresponding precursor, obtained from Au(III) salt with thiol ligand 4. The organothiol ligand 4 were prepared from ...
Determination of the Mineral Compositions of in Six Beans by Microwave Digestion with Inductively Coupled Plasma Atomic Emission Spectrometry

QINGHUA YAN; LI YANG; SHUYANG CHEN; XI LIU; XIAOQIN MA (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

In the study, microwave digestion procedure optimized was applied for digesting beans. Nineteen mineral element concentrations were determined by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). The result ...
Effects of Whole Flower and Fractions of Ixora coccinea Linn. on Cardiovascular System: A Preliminary Report

ATIQ-UR-RAHMAN; SYED INTASAR HUSAIN; VERSIANI, MUHAMMAD ALI; AMBREEN IKRAM; SALMAN KHALIDAHMED (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

Ixora coccinea is used to treat various ailments in traditional medicine. The extract of whole flower and various fractions were studied in to Langendorff’s male guinea pig heart to explore the therapeutic/toxic potential ...
An Efficient Eco-Friendly Synthesis of Indole-Mannich Base

KHALID MOHAMMED KHAN; FAZAL RAHIM; NIDA AMBREEN; MUHAMMAD TAHA; SAROSH IQBAL; SYED MOAZZAM HAIDER; SHAHNAZ PERVEEN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

An efficient and simplified protocol for three component Mannich reaction of indoles in water without using any catalyst is described. Different functionalized indole Mannich base synthesized in relatively short time with ...
Pyridylamides from Fresh Unripe Fruits of Aegle marmelos (Rutaceae)

MUHAMMAD SHAIQ ALI; GHAFOOR AHMED; MUHAMMAD KASHIF PERVEZ (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

Continuing our search for new secondary metabolites from various parts of Aegle marmelos (Rutaceae), we have investigated fresh unripe fruits which yielded two pyridylamides named marmamide-A (1) and -B (2) along with ...
Characterization and In-Vitro Release Study of Celecoxib Microspheres Synthesized from Polymethacrylate and Polyvinyl Pyrolidone

MUHAMMAD KHURRAM SHAHZAD; MAHBOOB-E-RABBANI; ASADULLAH MADNI; MAHMOOD AHMAD; MUHAMMAD USMAN; MAHTAB AHMAD KHAN; HASSAN AHMAD; MD EKWAL (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

The aim of the present study was to formulate and characterize microspheres of celecoxib for controlled delivery. Celecoxib controlled release microspheres were prepared by solvent evaporation technique and were evaluated ...
Synthesis and Characterization of Cu/Pr Heterometallic Coordination Polymer

MUHAMMAD ATHAR; ASHFAQ MAHMOOD QURESHI; MUHAMMAD NAJAM-UL-HAQ; GUANGHUA LI; ZHAN SHI; SHOUHUA FENG (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

A new coordination polymer having hetero metal atoms with mixed ligands has been conveniently synthesized and characterized. Isonicotinic acid (linker) and oxalate ligands were successfully employed to coordinate Pr and ...
Regiospecific Mno2 Catalyzed Hydration of Phenylmethylene Malononitriles to Cyanophenylacrylamides by Oximes

ABDUL RAUF; FAISAL SALEEM AWAN; SAIRA MUMTAZ; AHSAN SHARIF; EJAZ AHMED; MUHAMMAD ARSHAD; FARZANA KAUSAR; GHAZALA YASMIN; ASHFAQ MAHMOOD QURESHI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

A novel and convenient method for the regiospecific hydration of phenylmethylene malononitriles to cyanoacrylamides was developed; Scope of the method and reaction conditions were optimized extensively, the method was found ...
Isolation, Purification and Characterization of Acid Phosphatase from Germinating Vigna radiata Seeds.

SADIA NADIR; ASMA SAEED; RUBINA NAZ; AISHA SIDDIQUA; MEHRIN SHERAZI; SULTAN MEHMOOD WAZIR; AHMAD SAEED (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

The acid phosphatase (EC 3.1.3.2 ) has been purified from germinating seeds of vigna radiata through ammonium sulphate precipitation, DEAE-Cellulose chromatography and concanavalin A-Sepharose 4B chromatography. The specific ...
Development and Validation of Spectrophotometric Method for the Determination of Nimesulide in Bulk and Tablet Dosage Forms by Biuret Reagent Method

MUHAMMAD KHALID BHATTI; MUHAMMAD MUNAWAR HAYAT; RUBIA NASIR; FAIZ-UL-HASSAN NASIM; MUHAMMAD ASHRAF; BUSHRA HUSSAIN; IRSHAD AHMAD (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

The purpose of the study was to develop a method for the determination of Nimesulide using visible spectrophotometry. It is based on the reaction of Nimesulide with biuret reagent, which forms a greenish coloured complex. ...
Synthesis and Nucleating Effect of N, N'-Bis(Benzoyl) Terephthalic Acid Dihydrazide

YAN-HUA CAI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

N, N'-Bis(benzoyl) terephthalic acid dihydrazide(NA) was synthesized from benzoyl hydrazine and terephthaloyl chloride which was deprived from terephthalic acid via acylation, and the structures of the synthesized compound ...
Facile and Efficient Bromination of Benz[F]Indan-1-One

CIHANSEL SANCAK UNLU; AHMET TUTAR; RAMAZAN ERENLER (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

The bromination reaction of benz[f]indan-1-one was investigated by NBS, molecular bromine and fotobromination. Benz[f]indan-1-one was synthesized by treatment of α,α,α',α'tetrabromo-o-xylene with cyclopenten-1-one. Bromination ...
Solid-State Grind Synthesis Reaction of Ferrocenylchalcone Catalyzed By Kf-Al₂o₃

YUTING LIU; LI FENG; DAWEI YIN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

A series of ferrocenylchalcone were synthesis from acetylferrocene and aromatic aldehyde in the presence of KF-Al₂O₃ under solvent-free condition. The advantages of this procedure were mild reaction conditions, simple ...
Α-Chymotrypsin and Urease Inhibitory Activity of Diversolides C, D and E from the Roots of Ferula Diversivittata

SALEHA SULEMAN KHAN; AJMAL KHAN; BISHNU P. MARASINI; NIKHAT SABA; VIQAR UDDIN AHMAD; MEHRDAD IRANSHAHI; SEYYED TAHMINEH HOSSEINI; MUHAMMAD IQBAL CHOUDHARY (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

Sesquiterpene lactone derivatives, diversolides-C (giferolide) (1), -D (malafilin) (2), and -E (fegvolide) (3), isolated from the roots of Ferula diversivittata, Regel. & Schmalh, were evaluated for α-chymotrypsin and ...
Synthesis of Novel Oxime and Oxime Derivatives Phosphazenes from Hexachlorocyclotriphosphazene

FURKAN OZEN; EROL CIL; MUSTAFA ARSLAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

The new spirocyclophosphazene 2,2-bis(4-benzoylphenoxy)-4,4,6,6 bis[spi-ro(2’,2’’dioxy-1’,1’’-biphenyl]cyclotriphosphazene (3) was synthesized from the reaction of 2,2dichloro4,4,6,6-bis[spiro(2’,2’’-dioxy-1’,1’’-bipheny ...
Synthesis of a Novel Carrageenan-Based Superabsorbent Hydrogel with Temperature Salt, and pH-Responsiveness Properties

MOHAMMD SADEGHI; HOSSEIN HOSSEINZADEH; ESMAT MOHAMMADINASAB; FATEMEH SHAFIEI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)

A novel thermo-sensitive superabsorbent hydrogel with salt- and pH-responsiveness properties was obtained by grafting of mixtures of acrylic acid (AA) and N-isopropylacrylamide (NIPAM) monomers onto kappa-carrageenan, kC, ...

Now showing items 1-20 of 651

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