Volume 33: Recent submissions

  • Heartwood Extractives of Iranian Morus alba Wood 
    HASAN SADEGHIFAR; ALI SHEIKH; MOHAMMAD ALI KHALILZADEH; ABDOL GHAFFAR EBADI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-12)
    The composition and amount of hydrophilic and lipophilic extractives in heartwood of Morus alba wood in north of Iran were analysed n-Decane (50%), dodecane (9%) and limonene (11%) were main lipophilic components. Resorcinol ...
  • Characterization of Cellular Fatty Acids of Listeria Species and their Effect on Circulating Blood Monocytes 
    OMM-E-HANY; ROQUYA SIDDIQI; ATTA-UR-REHMAN; KHAN, MUHAMMAD ALTAF; MOAZZAM ALI KHAN; ATIF SHAHZAD; WAQAR AHMED (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-12)
    Listeria monocytogenes NCTC 7973, L. ivanovii SLCC 2379 and L. seeligeri SLCC 3954 were found to contain 5 - 7.8 % (dry weight) chloroform- soluble lipids. All species exhibited, nearly similar fatty acid esters profile ...
  • Antimicrobial Constituents from Buddleja asiatica 
    FARMAN ALI; MUHAMMAD IQBAL; RUBINA NAZ; ABDUL MALIK; IRSHAD ALI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-11)
    Seven compounds have been isolated for the first time from the chloroform soluble fraction of Buddleja asiatica namely, buddlejone (1), dihydrobuddledin-A (2), buddledone-B (3), ursolic acid (4), 2-phenylethyl-β-D-glucoside ...
  • Wheat Yield and Chemical Composition as Influenced by Integrated Use of Gypsum, Pressmud and FYM in Saline-Sodic Soil 
    DOST MUHAMMAD; RIAZ AHMAD KHATTAK (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-10)
    Crop yields are limited under salt-affected soils receiving saline irrigation water. A field experiment was conducted on silty clay loam saline sodic soil [fine loamy, mixed, hyperthermic Typic Haplustepts, ECe = 8.03-11.76 ...
  • Sustained Release Nimesulide Microparticles: Evaluation of Release Modifying Property of Ethylcellulose 
    KHAN, SHUJAAT ALI; MAHMOOD AHMAD; GHULAM MURTAZA; MUHAMMAD NAEEM AAMIR; NISAR-UR-REHMAN; ASAD ULLAH MADNI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-09)
    Microencapsulated controlled-release preparations of nimesulide were formulated. Microparticles were prepared by modified phase separation (non-solvent addition) technique using different ratios of ethylcellulose. The ...
  • Volumetric Studies of Some Amino Acids in Aqueous Medium at Different Temperatures 
    MUHAMMAD ASGHAR JAMAL; MOHAMMAD IQBAL (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-08)
    Apparent molar volume (θV), partial molar volume (V0 ), solute-solute interaction parameter (Sv), partial molar expansivity (E0 ) and isobaric thermal expansion co-efficient (α) of twelve amino acids namely, alanine, ...
  • The Sulfide Oxidation in an Electrolytic Sulfide Oxidizing Bioreactor using Graphite Anode 
    WU, DONGLEI; WU, LILI; HU, QINHAI; QAISAR MAHMOOD; KHAN, AFSAR (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-08)
    The goal of the present research was the direct conversion of sulfide (an important contaminant in various industrial wastewaters) to sulfate, whose discharge limits are much less stringent than those for sulfide. The ...
  • Reductive release of Fe(III) from Bovine Lactoferrin by Ascorbic Acid 
    SHAZIA NISAR; SYED ARIF KAZMI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-07)
    The kinetics of the reduction of Fe3+ from bovine diferric Lactoferrin (Fe2Lf) and monoferric C-terminal (FeC-Lf) and N-terminal (Lf-FeN) sites is investigated at pH 6.1 and 3.5 under pseudo first-order conditions using ...
  • Pharmacokinetic and Bioavailability Studies of Commercially Available Simvastatin Tablets in Healthy and Moderately Hyperlipidemic Human Subjects 
    MAHMOOD AHMAD; MUHAMMAD QAMAR-UZ-ZAMAN; ASADULLAH MADNI; MUHAMMAD USMAN; MUHAMMAD ATIF; NAVEED AKHTAR; GHULAM MURTAZA (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-06)
    Simvastatin, an analogue of Lovastatin, is a HMG.CoA reductase inhibitor. It is widely used in the treatment of hyperlipidemia and coronary heart disease (CHD) with low incidence of myopathy and rhabdomyolysis. As these ...
  • Synthesis and Characterization of Polyimide-Epoxy Hybrid Films 
    MUHAMMAD SAEED BUTT; ZAREEN AKHTER; MUHAMMAD ZAFAR-UZ ZAMAN; HUMAIRA MASOOD SIDDIQI; MUHAMMAD SHOAIB (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-05)
    Composites from polyimide and epoxy-amine were prepared aiming for enhancing its thermal and mechanical properties. Polyimide-epoxy-amine hybrid films were prepared by blending of polyimide and epoxy-amine in different ...
  • Catalytic Pyrolysis of Waste Inner Rubber Tube into Fuel Oil Using Alumina and Calcium Carbonate Base Catalysts 
    FAZAL MABOOD; MOHAMMAD RASUL JAN; JASMIN SHAH; FARAH JABEEN; ZAHID HUSSAIN (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-05)
    The waste inner rubber tube represents a source of energy and valuable hydrocarbons were catalytically pyrolysed in a batch reactor under atmospheric pressure. For this catalytic pyrolysis two economical base catalysts ...
  • Optimization of Aspergillus niger Nutritional Conditions using Statistical Experimental Methods for Bio-Recovery of Manganese from Pyrolusite 
    MUJEEB UR RAHMAN; MOHAMMAD MASOOM YASINZAI; RASOOL BAKHSH TAREEN; ASIM IQBAL; EJAZ ALI ODHANO; SHEREEN GUL (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-04)
    The nutritional requirements for Aspergillus niger PCSIR-06 for bio-recovery of manganese from pyrolusite ore were optimized. Box-Bhenken design and response surface methodology were used for designing of experiment and ...
  • Dispersed Nickel Oxide Films for Electro-oxidation of 1, 4-Butanediol 
    INAM-UL-HAQUE; AAKIFA RAZA; SHAMAILA SADAF (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-04)
    1, 4-Butanediol was oxidized using electro-catalytic properties of composite material of nickel oxide and polyaniline. The formation of composite film of nickel oxide and polyaniline was carried out from aqueous nickel ...
  • Heterogeneous Electron Transfer Studies on the Reduction of Some Pyridinium Cations: Substituents and the Inner-Reorganization Energy 
    MAHBOOB MOHAMMAD; MOHAMMAD ASLAM (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-03)
    Standard heterogeneous electron transfer rate constant k for some important pyridinium model compounds: N-methyl--picolinium- , N-(2,4-dinitrophenyl)-4-(4’-pyridyl) pyridinium- , N- (phenyl)-4-(4’ -pyridyl) pyridinium- , ...
  • Study of CO Hydrogenation Reaction on Cobalt Titania Catalyst 
    HOSSEIN ATASHI; HAMED GHAREHBAGHI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-02)
    CO hydrogenation on the cobalt catalyst with Titania support (Co/TiO2) without reduction condition and with a fixed-bed differential cylindrical reactor was kinetically studied. Internal and external mass transfer resistances ...
  • Design of a Microemulsion-Based Drug Delivery System for Diclofenac Sodium 
    NADEEM ABBAS KIZILBASH; SHUMAILA ASIF; MOHAMMED FAIZAN NAZAR; SYED SAKHAWAT SHAH; DHAIFALLAH ALENIZI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-01)
    A microemulsion-based drug delivery system has been designed for Diclofenac Sodium (DS) comprising Span 60, 1-Propanol, Water, and Lemon Oil. The microemulsion system has been characterized by a pseudo-ternary phase diagram ...

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