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Browsing Volume 33 by Title

Browsing Volume 33 by Title

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  • Health Risk Assessment of Trihalomethanes from Tap Water in Karachi, Pakistan 
    ZAHIDA KARIM; MAJID MUMTAZ; TUBA KAMAL (Karachi: The Chemical Society Of Pakistan, 2011-04-14)
    Risk assessment study of trihalomethanes (THMs) through different exposure pathways is based on the results of THMs concentration in tap water samples collected from various locations of Karachi city. The lifetime 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 ...
  • 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- , ...
  • HIGHLY SOLUBLE POLYOXYETHYLENE-PERYLENE DIIMIDE: OPTICAL, ELECTROCHEMICAL AND PHOTOVOLTAIC STUDIES 
    O. Hakli Birel; Ceylan Zafar; Haluk Dinclap; Banu Aydin; Mustafa Can (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    The synthesis and optical properties of a new dye molecule [PERKAT] were reported. The molecular structure of PERKAT was characterized by FT-IR and ¹H NMR. Optical properties of PERKAT were investigated by UV-Vis absorption, ...
  • Historical Development of Magnetite Nanoparticles Synthesis 
    KHAN, UMAR SAEED; KHATTAK, NAZIR SHAH; AMINUR RAHMAN; FARIDULLAH KHAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Top down and bottom up are two fundamental routes for the formation of magnetite nanoparticles (MNPs). These routes are generally utilized for producing technologically and economically significant MNPs. This review discusses ...
  • HOMOLOGY MODELING OF BOVINE KAPPA-CASEIN 
    GHOSIA LUTFUAALAH; AZRA AMJAD; FARHAT AMIN; ASHFAQ AHMAD (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-23)
    The stability of the milk casein is dependent on the presence of Kappa-casein on the surface of the micelle where it serves as an interface between the hydrophobic caseins and the aqueous environment of milk. Crystal ...
  • HOMOLOGY MODELING OF RING NECKED PHEASANT (PHASIANUS COLCHICUS, GALLIFORMES) MAJOR HEMOGLOBIN COMPONENT (HBA) 
    Roshan Ali; Ghosia Lutfullah; Zahid Khan; Ashfaq Ahmad (HEJ Research Institute of Chemistry, University of Karachi, Karachi, 2011-08-20)
    Birds have a specialized system of respiration. Their hemoglobin has been adapted to a vast variety of environmental conditions. To understand their specialized mechanism of respiration we need to understand the three ...
  • HOMOLOGY MODELING OF RING NECKED PHEASANT (PHASIANUS COLCHICUS, GALLIFORMES) MINOR HEMOGLOBIN COMPONENT 
    ROSHAN ALI; GHOSIA LUTFULLAH; ZAHID KHAN; ASHFAQ AHMAD (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-15)
    Avian hemoglobin has unique oxygen transport characteristics. The homology model of minor hemoglobin component D (HbD) of Ring Necked Pheasant (Phasianus colchicus) was predicted using the three dimensional (3D) coordinates ...
  • Improved Synthesis of Ferrocenyl aniline 
    ATAF ALI ALTAF; NASIR KHAN; AMIN BADSHAH; BHAJAN LAL; SHAFIQULLAH; SAEED ANWAR; MUHAMMAD SUBHAN (Karachi: The Chemical Society Of Pakistan, 2011-10-15)
    Comparative synthesis of ferrocenyl aniline from nitro phenyl ferrocene using different reducing agents, like Sn/HCl, Zn/HCl, Pd-charcoal/NH₂-NH₂ and Zn/formic acid, has been studied and found that Zn/formic acid system ...
  • In-vitro Antibacterial Activity of Essential Oils Extracted from Locally Available Medicinal Plants 
    GULSHAN ARA; DURRESHAHWAR; FARAH KANWAL; MUHAMMAD IMRAN; ASIYA AKBAR (Karachi: The Chemical Society Of Pakistan, 2011-04-12)
    Extraction of essential oils from locally available species of four plants, Nigella sativa, Syzygium aromaticum, Cinnamomum tenuis and Curcuma aromatica was carried out using steam distillation followed by ether extraction. ...
  • INFLUENCE OF OPERATING CONDITIONS ON THE REMOVAL OF BRILLIANT VITAL RED DYE FROM AQUEOUS MEDIA BY BIOSORPTION USING RICE HUSK 
    Rabia Rehman; Jamil Anwar; Tariq Mahmud; Muhmmad Salman; Umer Shafique (Karachi: Journal of the Chemical Society Of Pakistan., 2011-08-20)
    Biosorption is emerging as an economical and ecofriendly methodology for the removal of hazardous and toxic chemicals from waste water. The operating conditions have a great influence on the efficiency of this process. ...
  • 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 ...
  • Intercomparison Exercises; A Requirement for Accurate and Precise Analytical Data 
    NAILA SIDDIQUE; S. WAHEED (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    External evaluation of laboratory results and procedures can be carried out by participation in intercomparison exercises. The results of the International Atomic Energy Agency - Marine Environmental Laboratory (IAEA-MEL), ...
  • The investigation of the Anti-hypercholesterolemic Activities of Thymbra Spicata Labiata Oil (Karabas Thyme Oil) and Atorvastatin 
    HILAL DEMIRALAY; MEHMET. AKDOGAN; METIN CIRIS (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-10-23)
    The leaves of TSL (Thymbra Spicata Labiatae), which include plant sterols and stanols, are used in the treatment of hypercholesterolemia, which is a highly prevalent health problem. This study aimed to determine the ...
  • Kinetic and Equilibrium Studies for Zn (II) and Cu (II) Metal Ions Removal Using Biomass (Rice Husk) Ash 
    NADEEM FEROZE; NAVEED RAMZAN; ASMA KHAN; IZZAT IQBAL CHEEMA (Karachi: The Chemical Society Of Pakistan, 2011-04-01)
    Heavy metal ions have the severe hazardous effects on human health even were present in traces in waste water. Conventional methods are not economical for the removal of low level concentration of these ions. The present ...
  • Kinetic and Thermodynamic Studies of Indigo Adsorption on some Activated Bio-Solids 
    ABAYOMI OLAGUNDOYE ADETUYI; JAMIU MOSEBOLATAN JABAR (Karachi: The Chemical Society Of Pakistan, 2011-04-04)
    The performances of five activated bio-solids adsorbents on adsorption of Indigo from its dyeing effluent were studied using their thermo-kinetics equilibrium data. The results were compared with the commercial powder ...
  • Lead Application for the Stimulation of Fusaricidin Type Compounds by Paenibacillus polymyxa SQR-21 
    WASEEM RAZA; HONGSHENG WU; YANGCHUN XU; SHEN QIRONG (Karachi: The Chemical Society Of Pakistan, 2011-04-10)
    Paenibacillus polymyxa strains produce fusaricidin type compounds that are active against a wide variety of Gram-positive bacteria and fungi. Growth and production of fusaricidin type antifungal compounds by P. polymyxa ...
  • Lignonsulfonate-phenolformaldehyrde Adhesive: A Potenstial Binder for Wood Panel Industries 
    TASLEEM AKHTAR; GHOSIA LUTFULLAH; ZAHOORULLAH (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    Spent sulfite liquor (SSL) was obtained from a paper mill based on grassy pulp material (bagasse, kaigrass and wheat straws). Lignosulfonate (LS) was isolated from SSL by polymerization reaction, initiated with concentrated ...
  • Localization of Streptolysin S (SLS) by Blood Agar Overlay Technique (Zymogram) 
    BADARUDDIN A. MEMON (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Streptolysin S (SLS) is the non-antigenic, oxygen-insensitive cytolysin which is produced by Group A streptococci. It is largely responsible for a zone of beta-haemolysis surrounding colonies on blood agar media. In this ...
  • Mercury Concentration in Vegetables of Pakistan Irrigated by Different Water Sources 
    QAMAR SHAHEEN; ZAID MAHMOOD; MUHAMMAD IMRAN; SYEDA ROBINA, GILLANI; ILYAS AHMED, FARIDI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    Mercury levels were determined in twenty samples of each vegetable i.e., Spinach (Spinacia oleracea), Lettuce (Lactuca sativa), Carrot (Daucus cariota), Capsicum (Capsicum fistulosus), Sweet pea (Lathyrus Odoratus), Potato ...

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