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Browsing Volume 33 by Title

Browsing Volume 33 by Title

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  • 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 ...
  • Microbial Transformation of Vanillin Isolated from Melia azedarach to Vanillyl Alcohol followed by Protease Inhibition and Antioxidant Activity 
    DURRE SHAHWAR; MUHAMMAD ASAM RAZA; TOQIR ALI; VIQAR UDDIN AHMAD (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-10-20)
    Vanillin (1) was isolated from ethanolic extract of Melia azedarach L. and incubated in the culture of Aspergillus niger GC-4, which resulted in vanillyl alcohol (2). The product was identified by mass, ¹H and ¹³C-NMR ...
  • 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% ...
  • Minerals and Nutritional Composition of Camel (Camelus dromedarius) Meat in Pakistan 
    TARIQ MAHMUD; RABIA REHMAN; JAMIL ANWAR; SAKHWAT ALI; AADIL ABBAS; MUHAMMAD SALMAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    The quality of camel meat has received little attention so far in Pakistan. It is nutritionally as good as that of the major sources of red or white meat. Camel is a desert animal but is not less than other red meat animals ...
  • 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, ...
  • Molecular Characterization of Hemolysin Gene from a Pakistani Clinical Isolate of Vibrio cholerae 
    ASIF IQBAL; AZIM, MUHAMMAD KAMRAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Hemolysins comprise an important bacterial exotoxin family. The genome of Vibrio cholerae genome contains several hemolysin genes including thermolabile hemolysin which is thought to be the key virulence factor beside ...
  • Nutritional Values in Aspects of Essential and Non Essential Elements in Variety of Milk Samples by AAS and FES 
    RUBINA PERWEEN; MAJID MUMTAZ; QAMARUL-HAQUE; TALAT MEHMOOD (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-03)
    Milk makes a significant contribution to the human diet through provision of macro nutrient, vitamins and minerals. The exact composition of milk varies by species to naturally or contamination. It is recognized that ...
  • Optimal Method for Preparation of Magnetite Nanoparticles 
    UMAR SAEED KHAN; NAZIR SHAH KHATTAK; AMINUR RAHMAN; FARIDULLAH KHAN (Karachi: The Chemical Society Of Pakistan, 2011-10-03)
    This paper deals with the synthesis and characterization of magnetite nanoparticles via the controlled modified chemical coprecipitation method using ferrous and ferric salt solution in alkaline medium with out any surfactant ...
  • Optimization of Aspergillus niger Nutritional Conditions using Statistical Experimental Methods for Bio-Recovery of Manganese from Pyrolusite 
    MUJEEB UR RAHMAN; MOHAMMAD MASOOM YASINZAI; RASOOL BAKHSH TAREEN; ASIM IQBAL; EJAZ ALI ODHANO; SHEREEN GUL (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-04)
    The nutritional requirements for Aspergillus niger PCSIR-06 for bio-recovery of manganese from pyrolusite ore were optimized. Box-Bhenken design and response surface methodology were used for designing of experiment and ...
  • Pharmacokinetic and Bioavailability Studies of Commercially Available Simvastatin Tablets in Healthy and Moderately Hyperlipidemic Human Subjects 
    MAHMOOD AHMAD; MUHAMMAD QAMAR-UZ-ZAMAN; ASADULLAH MADNI; MUHAMMAD USMAN; MUHAMMAD ATIF; NAVEED AKHTAR; GHULAM MURTAZA (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-06)
    Simvastatin, an analogue of Lovastatin, is a HMG.CoA reductase inhibitor. It is widely used in the treatment of hyperlipidemia and coronary heart disease (CHD) with low incidence of myopathy and rhabdomyolysis. As these ...
  • 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 ...
  • 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), ...
  • Phytochemicals from Ipomoea carnea collected from Murree Hills 
    MUHAMMAD SALEEM; MUHAMMAD IMRAN TOUSEEF; NAHEED RIAZ; MARIA HAFEEZ; SHABIR AHMED; ABDUL JABBAR; MUHAMMAD FARRUKH NISAR; SAEED AHMAD; IRSHAD AHMAD (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-10-25)
    pomoea carnea has been identified as a medicinal shrub and produces a variety of secondary metabolites. Present study deals with the isolation and identification of a naturally occurring new compound, dodecyl-p-coumarate ...
  • Phytoremediation of Pb(II) by Jasminum sambac 
    NASIRA PERVEEN; MUHAMMAD ASIF, HANIF; SHAMAILA NOUREEN; TARIQ MAHMOOD, ANSARI; HAQ NAWAZ, BHATTI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    Experiments were conducted to asses Pb(II) bioaccumulation in Jasminum sambac cultivated in a green house under controlled conditions. For this purpose Jasminum sambac plants were cultivated and irrigated with industrial ...
  • Polymerization of Methylmethacrylate by Tridentate Schiff Base Derivative of Indenyl and Cyclooctatetraenyl Lanthanoid Complexes Along with Al(i-Bu)3 Catalytic System 
    MUHAMMAD YOUSAF; KULSOOM GHULAM ALI; SHAHZAD ALI SHAHID CHATHA; HAFIZ BADARUDDIN AHMAD; KHALID MUHAMMAD KHAN (Karachi: The Chemical Society Of Pakistan, 2011-04-21)
    Different types of the tridentate Schiff base, [N-(2-methoxyphenyl) salicylideneamine] derivative of lanthanoid complexes along with Al(i-Bu)₃ are proved to be versatile tools for the polymerization of methylmethacrylate ...
  • 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%, ...
  • 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 ...

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