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Browsing Issue 01 by Title

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  • 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 ...
  • 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 ...
  • 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 ...
  • Cytotoxic Activity of Some Pyrazolo[4,3-e][1,2,4]Triazines Against Human Cancer Cell Lines[1] 
    MOJZYCH, MARIUSZ (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-03)
    The aim of this study is to investigate the potential cytotoxic effect of some synthesized pyrazolo[4,3-e] [1,2,4]triazine derivatives against four different tumor cell lines: PC-3 (prostate cancer), MCF-7 (breast cancer), ...
  • 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 ...
  • 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 ...
  • Eco-Friendly Synthesis of 4-4-diaminodiphenylurea, a Dye Intermediate and Direct Dyes Derived from it 
    RANA AMJAD; MUNAWAR ALI MUNAWAR; KHAN, SHAHID REHMAN; MUHAMMAD NAEEM; MUHAMMAD SOHAIB (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-01)
    A rapid, environmental friendly and highly efficient method for the synthesis of 4-4'-diaminodiphenylurea and direct dyes derived form it has been reported. The reported method is environmentally friendly, as it doesn’t ...
  • Effects of Probiotic on the Intestinal Morphology with Special Reference to the Growth of Broilers 
    GHOSIA LUTFULLAH; TASLEEM AKHTAR; IRSHAD AHMAD; MUHAMMAD MUZAFFAR ALI KHAN KHATTAK; FAZAL-E-RAZIQ DURRANI; MUHAMMAD SUBHAN QURESHI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-03)
    The probiotic (Protexin)® increases the growth rate in broilers. It must interfere with the intestinal cell morphology and absorption. The intestinal epithelium is one of the most rapidly renewed tissues in the body and ...
  • Effects of Tocopherols on Oxidative Stability of Margarine 
    MARYAM AZIZKHANI; ABOLFAZL KAMKAR; AMIR SASAN MOZAFFARI NEJAD (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-04)
    Tocopherols are the most important natural antioxidants which are now added to edible oils. Each individual tocopherol (α, γ and δ) was added to the oil phase of margarine in 0 (control), 100, 250, and 500 ppm. Antioxidative ...
  • 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 ...
  • 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- , ...
  • 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 ...
  • 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 ...
  • Proximate Composition, Minerals and Vitamins Content of Selected Vegetables Grown in Peshawar 
    JAVED ABBAS BANGASH; MUHAMMAD ARIF; KHAN, FAIZULLAH; KHAN, FARIDULLAH; AMIN-UR-RAHMAN; IQBAL HUSSAIN (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-03)
    Ten vegetables namely Pot purslane, Spinach, Turnip, Garlic, Mustard (Sarson), Radish, Bitter gourd, Lady finger, Bath sponge and Brinjal were analyzed for their proximate composition, vitamin and mineral contents to ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Urease Inhibitors and Antioxidants from Vernonia cinerascens 
    IRSHAD AHMAD; CHAUDHARY, BASHIR AHMAD; KHALID HUSSAIN JANBAZ; MUHAMMAD UZAIR; MUHAMMAD ASHRAF (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-02)
    Eight compounds have been isolated for the first time from Vernonia cinerascens namely, 2-hydroxy-3-methoxy-5-(2-propenyl)-phenol (1), vanillic acid (2), isoferulic acid (3), caffeic acid (4), methyl gallate (5), uridine ...

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