Volume 33: Recent submissions

  • Extraction-Spectrophotometric Determination OF Cadmium(II) by High Molecular Weight Amine. Application to Industrial Effluents 
    HAJRA MASOOD; M. ISHAQ Ali, KHAN; SHIREEN TAJ (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    An investigation of the complex formation between Cadmium(II) and Potassium iodide in Sulphuric acid solution has been carried out and its extractability by high molecular weight tertiary amine (HMWA) in organic solvent ...
  • Electrode Surface, Fractal and Heterogeneous Electron Transfer Rate Constants 
    MAHBOOB MOHAMMAD (Karachi: The Chemical Society Of Pakistan, 2011-04-03)
    Impedance and cyclic voltammetric studies, were carried out on electrodes of various material, dimension and configuration. The substrate was ferrocene. This was done with the view to explore the relationship between ...
  • Raw Mix Designing for Coal as a Fuel in Cement Kiln as a Major Fuel and its Impact on Clinker Parameters 
    NOOR-UL-AMIN; KHURSHID ALI (Karachi: The Chemical Society Of Pakistan, 2011-04-02)
    In this paper the use of coal, found at Jabba Taar and Jabba Khushk Khyber Pakhtoon Khwa, in cement manufacturing as a major fuel and its impacts on the raw mix and clinker parameters has been discussed. The maximum amount ...
  • Comparative Studies of Heavy Metals in Wheat Growing in Different Environmental Conditions 
    IQBAL HUSSAIN; MURAD ALI, KHAN; JAWAD ALI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    In the present investigations, we screened wheat crops, collected from different areas of Peshawar and found that the level of heavy metals like Zn, Cu, Cr, Mn Cd, Ni, Pb and Fe in crop increases parallel to the extent of ...
  • Mercury Concentration in Vegetables of Pakistan Irrigated by Different Water Sources 
    QAMAR SHAHEEN; ZAID MAHMOOD; MUHAMMAD IMRAN; SYEDA ROBINA, GILLANI; ILYAS AHMED, FARIDI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    Mercury levels were determined in twenty samples of each vegetable i.e., Spinach (Spinacia oleracea), Lettuce (Lactuca sativa), Carrot (Daucus cariota), Capsicum (Capsicum fistulosus), Sweet pea (Lathyrus Odoratus), Potato ...
  • Antibactericidal Effect of Some Substituted-1, 2, 4-Triazole Derivatives 
    SINGH, RAM JANAM (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    The syntheses of a series of some substituted-1, 2, 4-triazole derivatives are described. The reaction of sodium salt of α-sulphonated of stearic acid hydrazide (1) with carbon disulphide in alcoholic KOH yielded the ...
  • Stabilization of Hydrogen Peroxide used as Oxidizing Agent in the In-situ Leaching of Uranium from Arkosic Sandstone 
    YAHYA KHAN; ABBAS KHAN; SYED SAKHAWAT, SHAH; GULZAR HAMID; GULRAIZ FATIMA; MUHAMMAD SIDDIQ (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    H2O2 was used as oxidizing agent of the insoluble tetravalent uranium into the soluble hexavalent state along with NH4HCO3 as complexing agent in tap water solvent. The study was conducted to look at the possibility of ...
  • Kinetic and Equilibrium Studies for Zn (II) and Cu (II) Metal Ions Removal Using Biomass (Rice Husk) Ash 
    NADEEM FEROZE; NAVEED RAMZAN; ASMA KHAN; IZZAT IQBAL CHEEMA (Karachi: The Chemical Society Of Pakistan, 2011-04-01)
    Heavy metal ions have the severe hazardous effects on human health even were present in traces in waste water. Conventional methods are not economical for the removal of low level concentration of these ions. The present ...
  • Kinetic and Thermodynamic Studies of Indigo Adsorption on some Activated Bio-Solids 
    ABAYOMI OLAGUNDOYE ADETUYI; JAMIU MOSEBOLATAN JABAR (Karachi: The Chemical Society Of Pakistan, 2011-04-04)
    The performances of five activated bio-solids adsorbents on adsorption of Indigo from its dyeing effluent were studied using their thermo-kinetics equilibrium data. The results were compared with the commercial powder ...
  • Nutritional Values in Aspects of Essential and Non Essential Elements in Variety of Milk Samples by AAS and FES 
    RUBINA PERWEEN; MAJID MUMTAZ; QAMARUL-HAQUE; TALAT MEHMOOD (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-03)
    Milk makes a significant contribution to the human diet through provision of macro nutrient, vitamins and minerals. The exact composition of milk varies by species to naturally or contamination. It is recognized that ...
  • Selective Acylation of Alcohols in the Presence of Phenols 
    MUHAMMAD RAZA SHAH; QAMAR ALI; ZAHID HUSSAIN; ITRAT ANIS (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-25)
    A versatile method of chemoselective acylation of alcohol has been developed by way of Mitsunobu based strategy. The reaction works under mild conditions and can be selectively employed in presence of phenolic groups and ...
  • ANTIMICROBIAL CONSTITUENTS FROM AERVA JAVANICA 
    AHSAN SHARIF; EJAZ AHMED; ABDUL MALIK; MUKHTAR -UL- HASSAN; MUNAWAR ALI MUNAWAR; ALEEZA FARRUKH; SAEED AHMAD NAGRA; JAMIL ANWAR; MUHAMMAD ASHRAF; ZAID MAHMOOD (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-24)
    In the course of screening program we have isolated six natural products from the whole plant of Aerva javanica. Isoquercetrin (1), 5-methylmellein (2), 2-hydroxy-3-O-β -primeveroside naphthalene-1,4-dione (3), Apigenin ...
  • HOMOLOGY MODELING OF BOVINE KAPPA-CASEIN 
    GHOSIA LUTFUAALAH; AZRA AMJAD; FARHAT AMIN; ASHFAQ AHMAD (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-23)
    The stability of the milk casein is dependent on the presence of Kappa-casein on the surface of the micelle where it serves as an interface between the hydrophobic caseins and the aqueous environment of milk. Crystal ...
  • SYNTHESIS, CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF SOME ENAMINONES AND THEIR COMPLEXES WITH NICKEL (II) AND ANTIMONY (III) 
    TARIQ MAHMUD; RABIA REHMAN; RIAZ HUSSAIN; MUHAMMAD SALMAN; UMER SHAFIQUE; JAMIL ANWAR; WAHEED -UZ- ZAMAN; ANSA SANA (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-22)
    Enaminones; 4-N,N-diethylamine-pent-3-ene-2-one [HL1], 4-N,N-di-n-propylamine-pent-3-ene-2-one [HL2] and 4-N,N-dicyclohexylamine-pent-3-ene-2-one [HL3] and their complexes with Ni (II) and Sb (III) ions were prepared by ...
  • SYNTHESIS, SPECTRAL INVESTIGATION (1H, 13C) OF NEW (N, O AND S BASED) SCHIFF BASES AND EVALUATION OF THEIR ANTIMICROBIAL ACTIVITIES 
    MUHAMMAD KALEEM KHOSA; SHAHZAD ALI SHAHID CHATHA; MADHIA NISAR; KHALIL -UR- REHMAN; MUHAMMAD ASGHAR JAMAL; MUHAMMAD YOUSAF (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-21)
    Three new series of biologically active amino substituted Schiff bases (1-12) with general formula, R1N=CHR2 (R1 = 2-amino-benzthiazole, 4-amino-salicylic acid and 4-aminophenol; R2 = benzaldehyde, 2-chloro-benzaldehyde, ...
  • Quinazolinediones and Quinazolinethiones by Intramolecular Ester Amidation 
    EJAZ AHMED; MUHAMMAD RAMZAN MANWAR; AHSAN SHARIF; MUKHTAR-UL-HASSAN; NEMAN AHMED; ABDUL MALIK; ZAID MAHMOOD; MUNAWAR ALI MUNAWAR (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-20)
    A new synthetic route was devised for synthesis of Quinazoline-2,4(1H,3H)-dione 5 in which salicylic acid 1 was treated with urea 2 to afford urea arylated ortho-urahydroxy benzoic acid 4. Ortho-urahydroxy benzoic acid 4 ...
  • VOGELATE: A NEW LONG-CHAINED ESTER FROM ERYTHRINA VOGELII HOOK. (FABACEAE) OF CAMEROON 
    MUHAMMAD SHAIQ ALI; MUHAMMAD IMRAN ALI; ZEESHAN AHMED; ALAIN FRANCOIS KAMDEM WAFFO (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-19)
    A new long-chained ester named vogelate has been isolated from leaves of Erythrina vogelii, a Cameroonian Fabaceous plant, along with seven known constituents [erythrinasinate, 2,3-dihydro-auriculatin, soyasapogenol-B, ...
  • SYNTHESIS AND SPECTROSCOPIC PROPERTIES OF A NOVEL PERYLENEDIIMIDE DERIVATIVE 
    ÖZGÜL HAKLI-BİREL; HALUK DİNÇALP; CEYLAN ZAFER; ŞERAFETTİN DEMİÇ; KRISTOF COLLADET; DIRK VANDERZANDE; YUDA YÜRÜM; SIDDIK IÇLİ (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-18)
    A novel symmetric 3,4,9,10-perylenetetracarboxylic acid derivative (PDI1) dye based on thiophene donor group was synthesized and characterized by FT-IR and 1H NMR. Cyclic Voltammetry analysis is performed to determine ...
  • THE FAS/FASL PATHWAY MEDIATES APOPTOSIS OF SPLENIC LYMPHOCYTES IN PIGLETS INFECTED WITH PCV2 
    LIZHONG HUA; YUN SUN; GENG CHEN; SHUXIA ZHANG (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-17)
    The aim of this study is to investigate the molecular pathogenetic mechanism of PCV2-induced apoptosis in the porcine spleen. Nineteen piglets were allotted into four groups and sacrificed at 0, 14, 21, or 35 days post ...
  • THE EFFECTS OF FREE RADICALS ON ANTIOXIDANT DEFENCE SYSTEMS AND ORGANISM IN HEMODIALYSIS PATIENTS 
    MUSTAFA YONTEM; MURAT BILGE; SULEYMAN KALELI; SEVIL KURBAN; GULPERI CELIK (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-16)
    Chronic Renal Failure (CRF) is accompanied by a variety of complications which may develop due to an increase in oxidant stress and/or a decrease in antioxidant activities. Hemodialysis (HD) is still the most prevalent ...

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