Pakistan Science Foundation: Recent submissions

  • THE EFFECTS OF FREE RADICALS ON ANTIOXIDANT DEFENCE SYSTEMS AND ORGANISM IN HEMODIALYSIS PATIENTS 
    MUSTAFA YONTEM; MURAT BILGE; SULEYMAN KALELI; SEVIL KURBAN; GULPERI CELIK (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-16)
    Chronic Renal Failure (CRF) is accompanied by a variety of complications which may develop due to an increase in oxidant stress and/or a decrease in antioxidant activities. Hemodialysis (HD) is still the most prevalent ...
  • 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 ...
  • DETERMINATION OF TRACE ELEMENTS AND HEAVY METAL IN DIFFERENT PARTS OF RABDOSIA RUBESCENS 
    YU-XIAN YU-LI; WEI-FEI HUANG; KE YUAN (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-14)
    This paper is about simultaneous determining the contents of Zn, Mn, Fe, Cu, Cr, As, Cd, Pb in the leaves, stems and the whole plant of Rabdosia rubescens by establishing the methods of Microwave- Digestion and ICP-MS. The ...
  • 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 ...
  • POTENTIALITY OF LEMON PEEL AS LOW COST ADSORBENT FOR THE REMOVAL OF TRYPAN BLUE DYE FROM AQUEOUS SOLUTION 
    SHEHLA HAMID; ZAID MEHMOOD; MUHAMMAD IMRAN; ASMA SAEED; SYEDA ROBINA GILLANI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-12)
    Lemon peel (LP) was studied as a prospective adsorbent for the removal various dyes from aqueous solution using batch technique. Lemon Peel showed maximum removal of trypan blue 89.47% followed by methylene blue 85.37%, ...
  • Physicochemical Characteristics and Maleic Acid Adsorption Capacity of Lakhra Coal (Pakistan) 
    MUHAMMAD ISHAQ; KHALID SAEED; IMTIAZ AHMAD; MUHAMMAD SHAKIRULLAH; MUHAMMAD IQBAL KHAN (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-11)
    Lakhra coal was leached with various extractants/leachants such as HCl, H2O2 and KMnO4, for the generation of porosity as well active site for the removal of maleic acid from aqueous solution. The physicochemical analyses ...
  • Synthesis, Characterization and Antioxidant Activity of Ferrocenylhydrazones 
    JIAN ZHANG; RUIDONG LIU (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-10)
    Condensation reactions of 1, 1’-diacylferrocenes with hydrazine hydrate afford a series of 1, 1’- bishydrazonoalkylferrocenes. Characterizations were carried out by using IR, 1 HNMR, electronic absorption and elemental ...
  • Spectrophotometric Assay of Clorazepate Dipotassium in Dosage Forms 
    AMINA MUMTAZ; ASRAR AHMED KAZI*; Rabia NAZIR; M. USMAN. SABRI; M. NAEEM. SHAHID (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-09)
    A new spectrophotometric method for the determination of clorazepate dipotassium in pure form and in pharmaceutical preparation has been developed. The method is based on the complex formation due to charge transfer between ...
  • Effect of Saturation and Micro Nutritional Status on Stability of Dietary Oils under Photooxidative Stress Condition 
    TAUFIQ AHMAD; SHAHEEN ATTA; AURANG ZEB; SAEED GUL (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-08)
    Various commercial fats were photooxidized. Objective test methods i.e., peroxide value (POV), free fatty acid (FFA), anisidine value (AV), iodine value (IV), color index, fatty acid profile radical scavenging activity ...
  • Estimation of Chromium (VI) in various body parts of Local Chicken 
    TARIQ MAHMUD; RABIA REHMAN; SAKHAWAT ALI; JAMIL ANWAR; AADIL ABBAS; MUHAMMAD FAROOQ; ADNAN ALI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-07)
    Chicken is a common type of meat source in our food. It is fed with the feed containing small pieces of leather having Cr (VI) which persisted in it during chrome tanning process. The core purpose of present study was to ...
  • Synthesis, Crystal Structure and Thermodynamic Properties of the Compound (C10H16NO)2CdCl4·C10H16NOCl·H2O(s) 
    DONG-HUA HE; JING-TAO CHEN; YOU-YING DI; ZHEN-PING CHEN; DA-QI WANG; WEN-YAN DAN (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-06)
    A novel complex (C10H16NO)2CdCl4·C10H16NOCl·H2O(s) was synthesized by the method of liquid phase reflux synthesis. FTIR, chemical and elemental analysis, and X-ray crystallography were applied to characterize the crystal ...
  • Spectrophotometric Determination of pKa’s of 1-Hydroxybenzotriazole and Oxime Derivatives in 95% Acetonitrile-Water 
    MAGDA FOUAD FATHALLA; SHERINE NABIL KHATTAB (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-05)
    1-hydroxybenzotriazole derivatives are used with carbodiimide as additives to generate active esters during peptide bond formation. They are also used as additives during the peptide bond formation. Dissociation constants ...
  • Adsorption of Gold (III) from Aqueous Solutions on Bagasse Ash 
    GHULAM HUSSAIN; M. ALI KHAN (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-04)
    To assess the potential of cheap biomass materials for the recovery of gold from industrial, and electroplating waste water effluents, adsorption of gold (III) from dilute solutions of hydrochloric acid on bagasse ash has ...
  • Effect of Agitation Speed on Adsorption of Imidacloprid on Activated Carbon 
    MUHAMMAD ZAHOOR (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-02)
    The adsorptive characteristics of imidacloprid on powdered activated carbon were described. The adsorption experiments were carried out as function of time, initial concentration and agitation speed. The equilibrium data ...
  • Biofouling Management in the Cooling Circuit of a Power Industry Using Electrochemical Process 
    MUHAMMAD SALEEM (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-01)
    Biofouling is one of the major issues in the power industry using seawater for cooling and other purposes. presence of biological organisms such as bacteria and algae that could foul pipes and expensive equipments need to ...
  • Effects of Tocopherols on Oxidative Stability of Margarine 
    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 ...
  • Proximate Composition, Minerals and Vitamins Content of Selected Vegetables Grown in Peshawar 
    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 ...
  • Urease Inhibitors and Antioxidants from Vernonia cinerascens 
    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 ...
  • Eco-Friendly Synthesis of 4-4-diaminodiphenylurea, a Dye Intermediate and Direct Dyes Derived from it 
    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 ...
  • Effects of Probiotic on the Intestinal Morphology with Special Reference to the Growth of Broilers 
    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 ...

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