Pakistan Science Foundation: Recent submissions

  • 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), ...
  • 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 ...
  • Review on the Technology for the Production of Activated Carbons 
    TANZIL H. USMANI; M. TM-HR MOTAN; A.H.K. YOUSUFZAI (The Chemical Society Of Pakistan, 2000-03-15)
    The term activated carbon in its broadest sense includes a wide range of carbon-based materials prepared to exhibit a high degree of porosity and an extended interparticulate surface area. These are obtained by combustion, ...
  • Nutrients Availability of Rawash from Balochistan 
    FOUZIA S. REHMANI; FARZANA RAFI (The Chemical Society Of Pakistan, 2000-03-17)
  • NEW CATALYST FOR INTRAMOLECULAR CYCLOPROPANATION REACTION 
    A.YASMIN; R.JAFRI; A.MALIK (The Chemical Society Of Pakistan, 2000-03-16)
    The catalytic activity of N,N-ethylenebis (salicylideneaminato) copper (II) during intramolecular cyclopropanation of unsaturated α-diazo-β-ketoester has been studied. The resulting bicyclic intermediate is the precursor ...
  • Stocksiol: A new metabolite from Stocksia brahuica 
    VIQAR UDDIN AHMAD; ZULFIQAR ALI; MUHAM:MAD SHAIQ ALI; MUHAMMAD ZAHID; RASOOL BAKHSH TAREEN (The Chemical Society Of Pakistan, 2000-03-14)
  • Antifungal Activities and Essential Oil Constituents of Some Spices from Pakistan 
    ATTA-UR-RAHMAN; M. IQBAL CHOUDHARY; AFGAN FAROOQ; AFTAB AHMED; M.ZAFAR IQBAL; BETUL DEMIRCI; FATIH DEMIRCI; K. HUSNU CAN BASER (The Chemical Society Of Pakistan, 2000-03-13)
    Hydrodistillation of Amomum subulatum, Cinnamomum verum, Coriandrum sativum, Cuminum cyminum, Elettaria cardamomum, Myristicafragrans (Mace), and Myristica fragrans (Nutmeg) purchased from local markets yielded essential ...
  • Chemical Analysis of Albizzia lebbeck 
    SHAHINA WAHEED; BUSHRA KHALID; C.M.ASHRAF (The Chemical Society Of Pakistan, 2000-03-12)
    The purified lipid fraction (4.12% on the dry weight basis) from the seeds of Albizzia lebbeck was found to be 87.76% neutral and 12.24 % polar lipids. The whole oil lipid contained 64.76% unsaturated and 34.99%10 saturated ...
  • Synthesis and Studies of Some Acid Dyes 
    SHAHINA WAHEED; C.M.ASHRAF (The Chemical Society Of Pakistan, 2000-03-11)
    Investigations of the adsorption of acid dyes containing acetoacetanilide and pyrazolone by woollen fabric have been carried out. It has been found that the adsorption levels are unexpectedly different for various dyes.· ...
  • Commercial Extraction of Gel from Aloe vera (L) Leaves 
    NUSRAT SHAFI; LAJBER KHAN; GUL AKHTAR KHAN (The Chemical Society Of Pakistan, 2000-03-10)
    A commercially viable process for preparing a stable and pharmacologically active crystalline substance from the fresh whole leaf meal has been developed. Dermatological testings of the product on experimental animals and ...
  • The Separate and Combined Effects of Copper and Cadmium on the Survivorship of Penaeid Shrimps 
    A.B. MUNSHI; Y.Q. SU; S.J. LI (The Chemical Society Of Pakistan, 2000-03-09)
    Critical survival rate for all larval stages of penaeid shrimp was determined using static bioassay with copper, cadmium and their I: I mixture. The lethal concentration (24 h LC50) was 200 mg/l of Cu. 250 mg/l of Cd and ...
  • Preliminary Biological Screening of Some Marine Algae Collected from Karachi Coasts of Arabian Sea 
    MUHAMMAD SHAIQ ALI; FRAH MAZHAR; VIQAR UDDIN AHMAD; KHAN USMAN GHANI (The Chemical Society Of Pakistan, 2000-03-08)
    The antibacterial assay using the ethanol extracts of the studied algae showed significant activity against bacteria while the water and chloroform extracts were found inactive. Most of the algae showed very significant ...
  • A Physicochemical Approach to Interpret the Biological Activities of some Dipeptide Systems 
    M.E. HASHEM; F.A-E-A. ALI; M.A.T. IBRHAIM (The Chemical Society Of Pakistan, 2000-03-07)
    The biological activities for four-Iso-nicotinoyl dipepetide systems are attributed to some physiochemical parameters. The semi-empirical MNDO together with the AMI methods, were applied to define these parameters by ...
  • Synthesis and FTIR Spectra of the Complexes of Tumor Cell Differentiating Agent Hexamethylene Bisacetamide with Metal (II) Halides 
    IZHAR HUSSAIN; DAVID M.L. GOODGAME; MARGARET GOODGAME (The Chemical Society Of Pakistan, 2000-03-05)
    The syntheses are reported of a number of complexes of tumor cell differentiating agent Hexamethylene bisacetamide (HMBA) with group II metal halides. These complexes have been characterized by elemental analyses. The ...
  • Thermoanalyticil Studies of Some Schiff Base Polymers and Their Metal Chelates 
    M. Y. KHUHAWAR; A. H. CHANNAR; S. W. SHAH (The Chemical Society Of Pakistan, 2000-03-04)
    Thermogravimetry (TO) and differential thermal analysis (DTA) of poly S,S·· methylene-bis-salicylaldehyde-tetramethylenediimine (PMSATen). poly 5,5' -methylene-bis­salicylaldehyde-meso-stilbenediimine (meso-PMSAS). poly ...
  • 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 ...
  • Verification of A Tear Gas and A Pesticide At Trace Levels in A Water Sample 
    IMTIAZ AHMED (The Chemical Society Of Pakistan, 2000-03-06)
    Tear gas like CR and pesticide Malathion present at trace level in a water sample has been analyzed by gas chromatography and liquid chromatography techniques. Solid phase extraction method was used for extraction of suspect ...

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