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Browsing Volume 33 by Issue Date

Browsing Volume 33 by Issue Date

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  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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- , ...
  • 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 ...
  • 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), ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...

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