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Browsing Issue 06 by Issue Date

Browsing Issue 06 by Issue Date

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  • Camel Liver Acid Phosphatases: Purificaion and Properties 
    MEHRIN SHERAZI; RUBINA NAZ; ASMA SAEED; AISHA SIDDIQUA; SHAZIA AMEEN; AHMAD SAEED (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Three acid phosphatases were identified from the liver of a camel. Of these, two high molecular weight acid phosphatase forms were isolated and purified by successive chromatography on SP-Sephadex C-50, Sephadex G-75, ...
  • Comparison of the Catalytic Activity of the Commercially Available Clays for the Conversion of Waste Polyethylene into Fuel Products 
    M. RASUL, JAN; JASMIN SHAH; KHADIM HUSSAIN; SHAHNAZ PERVEEN; KHAN, KHALID MOHAMMED; ZAHID HUSSAIN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    The use of clays as catalyst for the cracking of polyethylene was investigated and commercially available clays like China clay, Fuller’s earth and French chalk were used to convert polyethylene into fuel oil and fuel gas ...
  • allo-Imperatorin: A Potent Urease Inhibitor from Fresh Unripe Fruits of Aegle marmelos (Rutaceae) 
    ALI, MUHAMMAD SHAIQ; GHAFOOR AHMED; PERVEZ, MUHAMMAD KASHIF; MEHREEN LATEEF; NIGHAT AFZA; LUBNA IQBAL (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    During the search for bioactive constituents from different parts of Aegle marmelos (Rutaceae), the ethanol soluble portion of fresh unripe fruits yielded two known amides named aegeline (1) and 2-O-methyl aegeline (2), ...
  • Advances in the Development of Methane Bromination 
    HAROON UR RASHID; KAICHAO YU; JINLAN ZHOU (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    The bromination reactions of Methane were studied and majority of the work done so far was outlined, as these reactions have gained immense importance for years in the industrial sector. Thermodynamically, Bromine (Br) is ...
  • INFLUENCE OF TERRAIN ON PHENOLIC COMPOUNDS AND ANTIOXIDANT ACTIVITIES OF CABERNET SAUVIGNON WINES IN LOESS PLATEAU REGION OF CHINA 
    Bao Jiang; Zhang, Zhen-Wen; Zhang, Xiao-Zuhan (Karachi: Journal of the Chemical Society Of Pakistan., 2011-12-20)
    Two vineyards with different terrains (site A: 1280 m versus site B: 909 m) in Xiangning County of Shanxi Province located in Loess Plateau region were chosen to study phenolic compounds and antioxidant activities of ...
  • Chitosan Nanoparticles as Drug Delivery Carriers for Biomedical Engineering 
    LU-E SHI; GUO, XIAO-FENG; FANG, XIU-JUAN; ZHAO, LI-MING; LIANG, YING XING; MIN CHEN; TANG, ZHEN-XING; ZHU, DONG-SHENG (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Chitosan is a rather abundant material, which has been widely used in food industrial and bioengieering aspects, including in encapsulating active food ingredients, in enzyme immobilization, and as a carrier for drug ...
  • Molecular Characterization of Hemolysin Gene from a Pakistani Clinical Isolate of Vibrio cholerae 
    ASIF IQBAL; AZIM, MUHAMMAD KAMRAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Hemolysins comprise an important bacterial exotoxin family. The genome of Vibrio cholerae genome contains several hemolysin genes including thermolabile hemolysin which is thought to be the key virulence factor beside ...
  • Synthesis of Unsymmetrical 1, 4-Dihydropyridine Derivatives in Ionic Liquid and Inference on the Formation Mechanism of Furopyridines 
    JIAN ZHANG; JIN, LONG FEI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Aromatic aldehydes, methyl acetoacetate, ethyl acetoacetate, ammonium acetate, ethyl 4-chloroacetoacetate as materials, eight unsymmetrical 1, 4-dihydropyridine derivatives were synthesized in ionic liquid [Bmim]OH in short ...
  • Synthesis and Characterizations of New 1,3-Oxazine Derivatives 
    OZTURKCAN, S. ARDA; KADIR TURHAN; ZUHAL TURGUT (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    In this study, Betti's classical procedure, a Mannich-type aminoalkylation reaction of 2- naphthol with various aldehydes was applied in the presence of ammonia and then 1,3disubstituted-2,3-dihydro-1H-naphtoxazines were ...

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