Pakistan Science Foundation: Recent submissions

  • 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 ...
  • 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 ...
  • Gasification Characteristics of Auto Shredder Residue 
    SHAHID NAVEED; NAVEED RAMZAN; ABDULLAH MALIK; MUHAMMAD AKRAM; ROSKILLY AP (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Given the large volume of used tyre waste generated each year it is imperative that suitable re-use and disposal techniques are developed for dealing with this problem; presently these include rethreading, reprocessing for ...
  • Effect of UHT Processing and Storage Conditions on Physico-chemical Characteristics of Buffalo Skim Milk 
    IMTIAZ HUSSAIN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    The obtained results indicated that physico-chemical and nutritional changes in UHT processed buffalo skimmed milk were more pronounced at 45°C than 25°C and 10°C. Duration of storage adversely affected the chemical and ...
  • Phytochemical and Antimicrobial Studies of Grewia tenax 
    EJAZ AHMED; AHSAN SHARIF; SABBIR HUSSAIN; ABDUL MALIK; MUKHTAR-UL-HASSAN; MUNAWAR ALI MUNAWAR; SAEED AHMAD NAGRA; JAMIL ANWAR; MUHAMMAD ASHRAF; NIGHAT AFZA; MAKSHOOF ATHAR (Karachi: The Chemical Society Of Pakistan, 2011-10-12)
    For the first time eleven compounds have been isolated from the ethyl acetate soluble fraction of whole plant of Grewia tenax namely, β-sitosterol (1), β-sitosteryl acetate (2), β-amyrin (3), β-amyrin acetate (4), ...
  • Microwave Assisted Synthesis of Triphenodioxazines: A Novel and Convenient Approach 
    MUHAMMAD NAJEEBULLAH; MUNAWAR ALI MUNAWAR; AMRAN WAHEED; AHSAN SHARIF; EJAZ AHMED (Karachi: The Chemical Society Of Pakistan, 2011-10-11)
    A novel and economical method for the synthesis of triphenodioxazines is described. The method involves the oxidative cyclisation of the intermediates 2,5-bis-(arylamino)-3,6- dichlorocyclohexa-2,5-diene-1,4-dione in 95-97% ...
  • Synthesis of High-Activity TiO2/WO3 Photocatalyst via Environmentally Friendly and Microwave Assisted Hydrothermal Process 
    GUANGJUAN REN; YUAN GAO; JUNGANG YIN; AN XING; HUITAO LIU (Karachi: The Chemical Society Of Pakistan, 2011-10-09)
    This work focused on the synthesis of high-activity TiO₂/WO₃ photocatalysts through an environmentally friendly and novel process. A high energy-efficient microwave assisted hydrothermal method was employed to prepare ...
  • 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, ...
  • Potentiometric Titrations of Para and Nitro Substituted Aromatic Acids and their Mixtures in Methylethylketone 
    CEMAL ÖZEROĞLU; MESUT KARAHAN (Karachi: The Chemical Society Of Pakistan, 2011-10-08)
    In this study, it was the purpose to examine the potentiometric titrations of para and nitro substituted aromatic acids in methylethylketone (MEK) as a non-aqueous solvent. Good analytical results were obtained in determining ...
  • Synthesis and Physiochemical Investigation of Cobalt (II) and Nickel (II) Complexes of 1-2-[(Z)-2-(3-acetyl-4-hydroxyphenyl)-1-diazenyl]phenyl-1-ethanone 
    ABDELSALAM MAATOQ HAMIL; MAREI MAILOUD EL-AJAILY (Karachi: The Chemical Society Of Pakistan, 2011-10-07)
    Two divalent metal complexes of Co(II) and Ni(II) ions with the 1-2-[(Z)-2-(3-acetyl-4- hydroxyphenyl)-1-diazenyl]phenyl-1-ethanone were synthesized and investigated by several tools such as; CHN elemental analyses, molar ...
  • Effect of Fluorozis on the Erythrocyte Antioxidant Enzyme Activity Levels 
    MEHMET AKDOGAN; DUDU YILMAZ; MUSTAFA YONTEM; SULEYMAN KALELI; IBRAHIM KILIC (Karachi: The Chemical Society Of Pakistan, 2011-10-06)
    While the flourine level of (drinking) water was higher than normal ranges in the center of Isparta region before 1995 year, this problematic situation is solved in later years. (However) the individuals who are staying ...
  • Removal of Toxic Dichlorophenol from Water by Sorption with Chemically Activated Carbon of Almond Shells – A Green Approach 
    NADIA JAMIL; NAVEED AHSAN; MUNAWAR ALI MUNAWAR; JAMIL ANWAR; UMER SHAFIQUE (Karachi: The Chemical Society Of Pakistan, 2011-10-05)
    Chlorophenols (CP) represents a group of organic compounds having substituted chlorines attached to phenol ring. These trace organic pollutants represent a major environmental concern, because of toxicity, non-biodegradability, ...
  • Preparation of Ethylcellulose Latex by Aqueous Dispersions: Importance of the Particle Size and Plasticizer 
    MAHMOOD IQBAL; CHENGZHI CHUAI; KALSOOM MAHMOOD; YAN HUANG; HUI LIU; MUHAMMAD AIJAZ (Karachi: The Chemical Society Of Pakistan, 2011-10-04)
    Based on phase transfer processes ethylcellulose (EC) latex was prepared using dibutyl sebacate (DBS) as plasticizer and oleic acid, ammonia water as an emulsifier to evaluate film-formation properties. Atomic force ...
  • Preparation of a Novel Rechargeable Storage Battery Using Proteins for the Storage of Electricity 
    ZAHID HUSSAIN; KHAN, KHALID MOHAMMED; KHADIM HUSSAIN; SHAHNAZ PERVEEN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-12-20)
    The first rechargeable battery which is using the oxidation and reduction reactions of the protein has been prepared. The source of oxidizeable protein is the boiled kidney bean and that of the reducible protein is chickpea. ...
  • Antileishmanial Steroidal Alkaloids from Roots of Sarcococca coriacea 
    MUHAMMAD IQBAL, CHOUDHARY; ACHYUT ADHIKARI; SAMREEN; ATTA-UR-RAHMAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-12-20)
    Bio-assay guided isolation of secondary metabolites from the plant Sarcococca coriacea (Hook. f.) yielded two steroidal alkaloids, alkaloid C (1) and iso-N-formylchonemorphine (2). The structures of compounds were identified ...
  • Physicochemical Analysis and Biomarker Distributions in Waxy Crude Oils from the Lower Indus Basin, Pakistan 
    ABDUS SALEEM; TAHIRA FAZEELAT; MUHAMMAD ASIF (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Lower Indus Basin, Sindh Province Pakistan, produces many small to medium petroleum reservoirs. The petroleum hydrocarbons mainly contain two types of oils, condensates (light crude oils) and waxy crude oils (higher wax ...
  • Modeling of Cd(II) Sorption on Mixed Oxide 
    MUHAMMAD WASEEM; SYED MUSTAFA; ABDUL NAEEM; KHIZAR HUSSAIN SHAH; SAMAD YAR HUSSAIN; MUHAMMAD SAFDAR (Karachi: The Chemical Society Of Pakistan, 2011-10-02)
    Mixed oxide of iron and silicon (0.75M Fe(OH)₃:0.25M SiO₂) was synthesized and characterized by various techniques like surface area analysis, point of zero charge (PZC), energy dispersive X-rays (EDX) spectroscopy, ...
  • Conversion of Low Density Polyethylene into Fuel Products Using Indian Fuller’s Earth as Catalyst 
    ZAHID HUSSAIN; KHALID MOHAMMED, KHAN; FAZAL MABOOD; MOHAMMED RASUL JAN; JASMIN SHAH (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-12-20)
    The catalytic activity of Indian Fuller,s earth was explored for the cracking of polyethylene. The catalyst was used both in the crude and activated form. The catalytic activity of these was discussed in terms of the ...
  • Gas chromatographic-Mass Spectrometric Analysis of the Products Obtained by Microwave-Metal Interaction Pyrolysis of Coal 
    NADIA BASHEER; KHADIM HUSSAIN; KHALID MOHAMMED KHAN; ZAHID HUSSAIN (Karachi: The Chemical Society of Pakistan, 2010-12-14)
    A novel method for the liquefaction of coal has been investigated. It is a microwave assessed thermal cracking of coal in the presence of iron mesh. The iron mesh acts as antenna for the microwaves. This microwave metal ...
  • Two Dimensional X-Ray Diffraction (2D-XRD) studies on Olivine of U.S.A. 
    SALMA JABEEN; SYED MOHSIN RAZA; MUHAMMAD ASHFAQ AHMED; MASOOM YASIN ZAI; KURT ERLACHER (Karachi: The Chemical Society Of Pakistan, 2011-10-01)
    The Olivine (Mg, Fe) 2SiO₄ of USA has been studied with two dimensional X-ray diffracto meter (D8 discover with GADDS). The two distinct phases of orthorhombic structure, one with Mg₈ [Fe₂ SiO₄] and the other with Mg₂ SiO₄ ...

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