Issue 06: Recent submissions

  • Development of an HPLC Fingerprint for Quality Control of Genkwa flos 
    XIA, LIN-BO; QIAN DONG; JIA, TIAN-ZHU; GUO, YAN-HUA; DENG, SHI-REN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    Genkwa flos is a widely used herbal plant with great medical value in traditional Chinese medicine. For identification and effective quality control of Genkwa flos, a chemical pattern expressed by high performance liquid ...
  • 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 ...
  • Ultrasound-Assisted Emulsification–Microextraction Combined with Flame Atomic Absorption Spectrometry for Determination of Trace lead in Water Samples 
    LI, JING CI; ZHANG, JING WEN; WANG, YU KUN; XIN DU; MA, JING JUN; GAO, HE QING (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    The process of ultrasound-assisted emulsification–microextraction (USAEME) was successfully applied for the extraction and preconcentration of trace lead from water samples, prior to flame atomic absorption spectrometry ...
  • Assessment of Pesticide Residues on Selected Vegetables of Pakistan 
    KHAN, MUHAMMAD SAQIB; SHAH, MOHAMMAD MAROOF; QAISAR MAHMOOD; AMJAD HASSAN; KEHKASHAN AKBAR (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2011-12-20)
    The present study was conducted to determine the pesticide residues on selected summer vegetables. Five vegetables were grown with three replicates in a split plot randomized complete block design. Pesticides were sprayed ...
  • 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 ...
  • 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 ...

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