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Browsing Volume 33 by Title

Browsing Volume 33 by Title

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  • 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 ...
  • 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 ...
  • Prospects of Sea Water Electrolysis for the Production of Hydrogen: An Exploratory Study on the Electrolysis of Magnesium Chloride Solution in the Presence of Sulfur 
    MAHBOOB MOHAMMAD; MICHELLE KAUKHAB (Karachi: The Chemical Society Of Pakistan, 2011-04-05)
    It was hypothesized that the use of sulfur powder or sulfur electrode in the sea-water electrolysis would prevent (i) chlorine evolution, (ii) precipitation of Mg(OH)₂ and would at the same time result in the production ...
  • 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 ...
  • Quality Assessment of Potable Water of Khairpur City 
    TAJNEES PIRZADA; MIR MUNSIF TALPUR; AHMED DIN RAJPER; MUHAMMAD RAZASHAH; SHAHID NASEEM (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-08-20)
    This study is conducted to analyze the quality of potable water resources available to the inhabitants of Khairpur city. Eight sites of ground water and six sites of surface water are selected along the study area. The ...
  • Quinazolinediones and Quinazolinethiones by Intramolecular Ester Amidation 
    EJAZ AHMED; MUHAMMAD RAMZAN MANWAR; AHSAN SHARIF; MUKHTAR-UL-HASSAN; NEMAN AHMED; ABDUL MALIK; ZAID MAHMOOD; MUNAWAR ALI MUNAWAR (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-06-20)
    A new synthetic route was devised for synthesis of Quinazoline-2,4(1H,3H)-dione 5 in which salicylic acid 1 was treated with urea 2 to afford urea arylated ortho-urahydroxy benzoic acid 4. Ortho-urahydroxy benzoic acid 4 ...
  • Raw Mix Designing for Coal as a Fuel in Cement Kiln as a Major Fuel and its Impact on Clinker Parameters 
    NOOR-UL-AMIN; KHURSHID ALI (Karachi: The Chemical Society Of Pakistan, 2011-04-02)
    In this paper the use of coal, found at Jabba Taar and Jabba Khushk Khyber Pakhtoon Khwa, in cement manufacturing as a major fuel and its impacts on the raw mix and clinker parameters has been discussed. The maximum amount ...
  • Recycling of NiCd Batteries by Hydrometallurgical Process on Small Scale 
    KIM, YOUNG-JU; KIM, JI-HOON; THI, LIEN DUONG; QURESHI, TAHIR IMRAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    High recovery of cadmium metal from household spent nickel cadmium batteries through hydrometallurgical process on small scale was conducted. Recovery of metal through separation of leached metal ions using ion exchange ...
  • Reductive release of Fe(III) from Bovine Lactoferrin by Ascorbic Acid 
    SHAZIA NISAR; SYED ARIF KAZMI (Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2011-02-07)
    The kinetics of the reduction of Fe3+ from bovine diferric Lactoferrin (Fe2Lf) and monoferric C-terminal (FeC-Lf) and N-terminal (Lf-FeN) sites is investigated at pH 6.1 and 3.5 under pseudo first-order conditions using ...
  • Removal of Alizarin Red S (Dye) from Aqueous Media by using Alumina as an Adsorbent 
    RABIA REHMAN; TARIQ MAHMUD; JAMIL ANWAR; MUHAMMAD SALMAN; UMER SHAFIQUE; WAHEED-UZ-ZAMAN; FURQAN ALI (Karachi: The Chemical Society Of Pakistan, 2011-04-16)
    Adsorption is potentially an attractive methodology for removing hazardous dyestuff and heavy metals from industrial effluents. In this work the removing efficiency of an industrially important dye Alizarin Red S from ...

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