PASTIC Dspace Repository

Browsing Volume 33 by Title

Browsing Volume 33 by Title

Sort by: Order: Results:

  • 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, ...
  • 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 ...
  • CATHODIC VOLTAMMETRY OF NITRATE AT CHEMICALLY ETCHED TITANIUM 
    INAM -UL- HAQUE; MUQADDAS TARIQ (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-13)
    Usefulness of titanium as cathode is emphasized; a simple and easy to employ method for etching of titanium surface for its reproducible renewal is described. Electrochemical kinetics of nitrate reduction was investigated ...
  • 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 ...
  • Characterization of the Immunodominant Regions within gp41 of env Gene of HIV in Pakistan 
    LUBNA NISAR; MUHAMMAD IMRAN, QADIR; TEHZEEB-UL-NISA; SALMAN AKBAR, MALIK; NADIA TABASSUM (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    Objective of the present study was to characterize the immunodominant sequences of gp41 in HIV strain in Pakistani population so that vaccine may be prepared based upon these regions.A total of 25 specimens were collected ...
  • Chemical Composition and the Regional Effect of Vitex negundo Linn. var. cannabifolia (Sieb.et Zucc.) Hand.-Mazz. Essential oils and the Regional Effect on it 
    YING TANG; GANG CHEN; JIE ZHANG; SHU-ZHEN MU (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-10-24)
    The chemical constituents of the essential oil of Vitex negundo Linn. var. cannabifolia (Sieb.et Zucc.) Hand.-Mazz. in Zhangjiazhai Mount, Yimeng Mountain Area, North China were analyzed by GC-MS. Fifty seven components ...
  • 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 ...
  • COMPARATIVE STUDIES FOR THE ADSORPTION OF REMAZOL BLUE ON RICE HUSK, SAW DUST AND CHARCOAL 
    Hafiz Badaruddin Ahmad; Muhammad Aleem; Tahir Anwar; Muhammad Naeem Ashiq; Muhammad Yousaf (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    Rice husk and saw dust are attempted as alternate adsorbents to charcoal for the removal of reactive dye, namely remazol brilliant blue from aqueous media. The adsorption of remazol brilliant blue has been studied onto ...
  • 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 ...
  • Comparative Study of the Impact of Different Additives on Cementing Properties of High Strength Portland Cement 
    NOOR-UL-AMIN; SABIHA SULTANA (Karachi: The Chemical Society Of Pakistan, 2011-04-06)
    In this study Methylmethacrylate and Ethylenediammine have been used as additive in high strength Portland cement and its impact on the cementing properties (water of consistency, setting time and hydration behavior i.e., ...
  • Comparative Synthetic Study of 1,4-Dihydroxy Anthraquinone (Quinizarin) Dye Intermediate 
    KHALID PERVEZ BHATTI; MUHAMMAD ZUBER (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-10-27)
    1,4-Dihydroxy anthraquinone (quinizarin) has been synthesised with two different precursors’ p-chlorophenol and hydroquinone by condensation of phthalic anhydride. It has been noticed that p-chlorophenol gave higher yield ...
  • Comparing Heavy Metals Accumulation Potential in Natural Vegetation and Soil Adjoining Wastewater Canal 
    NAUREEN AURANGZEB; MUHAMMAD IRSHAD; FURRUKH HUSSAIN; QAISAR MAHMOOD (Karachi: The Chemical Society Of Pakistan, 2011-10-09)
    Heavy metal (HM) pollution of waters, soils and vegetation is a major ecological problem that needs to be investigated. The present study involved the collection of soil samples and natural vegetations (Tribilas terristris, ...
  • Comparison of Antioxidant Potential of Volatile Oils of Syzygium aromaticum and Illicium verum Relative to Conventionally Used Standards 
    TAUHEEDA RIAZ; MUHAMMAD ATHAR ABBASI; MUHAMMAD IMRAN UMAR; AZIZ-UR-REHMAN; TAYYABA SHAHZADI; KHALID MOHAMMED KHAN; VIQAR UDDIN AHMAD (Karachi: The Chemical Society Of Pakistan, 2011-04-11)
    The volatile oils of Syzygium aromaticum Linn. (cloves) and Illicium verum Hook. (star anise) were extracted by steam distillation. The antioxidant potential of these oils was evaluated by four methods: 1,1-Diphenyl-2-pi ...
  • 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 ...
  • Concentration of Residual Copper in the Bitter Gourd Samples Available in Punjab-Pakistan 
    ATHER, ABDUL QAYYUM; SABRI, MUHAMMAD USMAN; PHOOL SHAHZADI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Copper is very common substance that occurs naturally in the environment and spread through natural phenomena. Human widely use copper. In agriculture copper sulfate is used as a pesticide and fertilizer. The trade ...
  • COPOLYMERS OF 4 -METHOXYBENZYL METHACRYLATE AND ISOBORNYL METHACRYLATE: SYNTHESIS, CHARACTERIZATION AND DETERMINATION OF MONOMER REACTIVITY RATIOS 
    Esin Kaya (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    Homopolymerization of 4-methoxybenzyl methacrylate (MBMA) and copolymerization with isobornyl methacrylate (IBMA) by the atom transfer radical polymerization method (ATRP) were performed at 90 °C. The homopolymer [poly(MBMA)] ...
  • Correlation of COD and BOD of Domestic Wastewater with the Power Output of Bioreactor 
    ABDUL MAJEED KHAN; ATAULLAH; AZRA SHAHEEN; IJAZ AHMAD; FAZAL MALIK; HAFIZ ABDULLAH SHAHID (Karachi: The Chemical Society Of Pakistan, 2011-04-24)
    This research article deals with the studies on the development of the correlation of COD, BOD, and BOD5 of domestic wastewater (DWW), and fermented domestic wastewater (FDWW) with the power output of the microbial fuel ...
  • A Cystein Protease from Asteraceae (Centaurea Aegialophila) 
    NAZAN DEMİR; HAYRUNNISA NADAROĞLU; MUHARREM TOPAL; YAŞAR DEMİR (Karachi: The Chemical Society Of Pakistan, 2011-10-19)
    Proteases are enzymes that perform very important functions in organisms and are used for a variety of objectives in vitro. In recent years, proteases have been used for clinical, pharmaceutical (alimentary digestion, ...
  • 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 ...

Search DSpace


Advanced Search

Browse

My Account