Browsing Journal Articles by Title

Now showing items 2054-2073 of 2743

    • Preparation and characterization of silica aerogel immobilized with cyanex 301 for extraction of Zn(II) 

      Mst. Noorzahan, Begum, Dr.; Md Fazlul, Bari, Dr.; Salmie Suhana, Che Abdullah; Khairel Rafezi, Ahmad, Dr.; Nasim, Ahmed, Dr. (Trans Tech Publications, 2013)
      A new solid phase extractant silica aerogel immobilized with Cyanex 301 {bis(2,4,4- trimethylpentyl) dithiophosphinic acid} (SAWC) was prepared via a sol- gel method and investigated for the extraction of Zn(II) from aqueous ...

    • Preparation and investigation of gold nanoparticles by the technique of laser ablation for biological application 

      Olfat A. Mahmood; Ammar A. Habeeb; Mustafa Z. Abdullah (Universiti Malaysia Perlis (UniMAP), 2022-07)
      This paper utilises environmentally friendly and cost-effective methods for the synthesis of gold nanoparticles (AuNPs) using distilled water (DW) solution via liquid pulse laser ablation (PLAL) technique with wavelength ...

    • Preparation and properties of porous calcium phosphate 

      Syed Nuzul Fadzli, Syed Adam; Ahmad Fauzi, Mohd Noor (Universiti Malaysia Perlis, 2008)
      In this study, preparation of porous calcium phosphate was involved the addition of sodium di-hydrogen phosphate, NaH2PO4 and di-sodium hydrogen phosphate, Na2HPO4 into the raw calcium phosphate powder. The sodium hydrogen ...

    • Preparation of CdSe quantum dots using laser ablation technique for Dye-Sensitized Solar Cell 

      Zainab H., Omran; Odai N., Salman; A. K., Ali (Universiti Malaysia Perlis (UniMAP), 2021-01)
      Organic dyes are known to be widely used in the manufacture of dye-sensitized solar cells. However, theoretical screening does not play an essential role in dyes design. This work seeks to improve the conversion efficiency ...

    • Preparation of cyciopentyi trisiianoi siisesquioxanes - modified natural rubber (CpSSQ(OH)3 - ENR-50) composite hybrid in the presence of HCI acid 

      Rosniza, Hamzah; Mohamad, Abu Bakar, Prof.; Nik Noriman, Zulkepli, Dr.; Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al-Bakri, Abdullah (Trans Tech Publications, 2013)
      A composite comprising cyclopentyl trisilanol siisesquioxanes (CpSSQ(OH)3) and 50% epoxidized natural rubber (ENR-50) was prepared at reflux temperature employed hydrochloric acid (HCl) as catalyst. HCl was found to be an ...

    • Preparation of GNPs thermally conductive adhesive at different epoxy resin/curing agent ratio and mixing method 

      S. Jasmee; G. Omar; S.S. Othaman; N.A.B Masripan; H. A. Hamid; A. A. Kamarolzaman (Universiti Malaysia Perlis (UniMAP), 2021-08)
      Reinforcement of GNPs fillers to polymer composite show remarkable improvement in thermal conductivity. However, high aspect ratio of GNPs attributes to agglomerate during the preparation process, which limits its ...

    • Preparation of photoelectrochemical cell of ITO/Cu2O/PVC-LiClO4/graphite using Cu2O films as an active layer 

      Dewi Suriyani, Che Halin; Haiza, Haroon; Ibrahim, Abu Talib; Abdul Razak, Daud; Muhammad Azmi, Abd Hamid (Trans Tech Publications, 2014-02)
      Cuprous oxide (Cu2O) thin films were successfully grown on indium tin oxide (ITO) coated glass by sol-gel spin coating using diethanolamine (DEA) as a solubility agent. The films were annealed at 350 °C in 5% H2 + 95% N2 ...

    • Preparation of ZnO nanodisks using hydrothermal method and sensing to reductive gases 

      Shahid, Hussain; Liu, Tianmoa; Muhammad Kashif, Muhammad Faroow; Miao, Bin; Lin, Liyang; Zeng, Wen; Muhammad, Rashad; Peng, Xianghe; Pan, Fushang (Springer Science+Business Media New York, 2014-10)
      ZnO nanodisks exhibiting regular hexagonal structures were successfully synthesized using two surfactants via a hydrothermal method. The surfactants, namely, cetyltrimethylammonium bromide and sodium dodecyl sulfate, had ...

    • Preparation, characterization, and electrical conductivity investigation of multi-walled carbon nanotube-filled composite nanofibres 

      A. H. Nurfaizey; N. A. Munajat; S. R. Esa; M. A. Salim; A. M. Saad; M. A. M. Rosli; N. Tucker (Universiti Malaysia Perlis (UniMAP), 2021-08)
      There is a growing interest in carbon nanofibre materials especially for applications that require high surface area, excellent chemical inertness, and good electrical conductivity. However, in certain applications a ...

    • Pretreatment studies and characterization of bio-degradable and 3d-printable filaments from coconut waste 

      Mohammed Hosseini Fouladi; Satesh Narayana Namasivayam; Sekar, Vignesh; Marappan, Priya; Hui, Leng Choo; Thai, Kiat Ong; Walvekar, Rashmi; Charalampos, Baniotopoulos (Universiti Malaysia Perlis (UniMAP), 2020-05)
      Natural fiber based filaments are economically, and environmentally friendly and they are sustainable which enables them to be applied in the production of novel composite materials. This research aims to produce 3D printed ...

    • Prevention of soccer-related ankle injuries in youth amateur players: a randomized controlled trial 

      Ahmed Fadhil, Farhan; Stephany, Maria J.; Mahammed, Shamil K. (Kementerian Pendidikan Tinggi (KPT), Malaysia, 2017)
      Background: In lower levels of play, the lateral ankle sprain is the most common injury, especially amongst male youth soccer players. Purpose: The aim of the present study is to evaluate the effects of an injury prevention ...

    • Principle component analysis for the classification of fingers movement data using dataglove "glovemap" 

      Nazrul H., Adnan; Wan Khairunizam, Wan Ahmad, Dr.; Shahriman, Abu Bakar, Dr.; Juliana Aida, Abu Bakar (International Association for Engineeering and Management Education, 2013-03)
      Nowadays, many classifier methods have been used to classify or categorizehuman body motions of human posture including the classification of fingers movement. Principal Component Analysis (PCA) is one of classical method ...

    • Priority-based parameter optimization strategy for reducing the effects of four-wave mixing on WDM system 

      Haider J., Abed; Mohammed Hayder, Al-Mansoori; Norashidah, Md. Din, Prof. Ir. Dr.; Fairuz, Abdullah, Dr.; Hilal Adnan, Fadhil, Dr. (Elsevier, 2014)
      In order to meet the ultra high speed and ultra long-haul transmission distance in wavelength division multiplexing (WDM) systems, the nonlinear impairment affecting the overall spectral efficiency and system performance ...

    • Priority-based parameter optimization strategy for reducing the effects of four-wave mixing on WDM system 

      Haider J., Abed; Mohammed Hayder, Al-Mansoori; Norashidah, Md. Din, Ir. Dr.; Fairuz, Abdullah, Dr.; Hilal Adnan, Fadhil, Dr. (Elsevier, 2014-01)
      In order to meet the ultra high speed and ultra long-haul transmission distance in wavelength division multiplexing (WDM) systems, the nonlinear impairment affecting the overall spectral efficiency and system performance ...

    • Probability Distribution of Arm Trajectory for Motion Estimation and Gesture Recognition 

      Wan Khairunizam, Wan Ahmad; Mohd Azri, Abdul Aziz; Shahriman, Abu Bakar; Siti Khadijah, Zaaba; Zuwairie, Ibrahim; Zulkifli, Md Yusof; Ismail, Ibrahim; Jameel Abdulla, Ahmed Mukred; N. Mokhtar (American Scientific Publishers, 2012-06-30)
      In the human motion measurement, motion capture system is used to record the movement of the human body by using different types of sensors such as a magnetic position sensor, a mechanical motion detector and a vision ...

    • Probing the Ph measurement of self-alligned polysilicon nanogap capacitor 

      Nazwa, Taib; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Noor (Trans Tech Publications, 2012)
      With their bright potential in effective sensing, nanogap capacitor show promise as a device to measure wider aspect of dielectric properties. In this paper, we demonstrate the effectiveness of nanogap capacitor in detecting ...

    • The process of electroplating in presence of Nickel Salts 

      Mohammed Misbahul, Amin; Lep Kuan, Kee; Kamaruzzaman, Yunus (Journal of Ultra Scientist of Physical SciencesFakulti Sains dan Teknologi, Kolej Universiti Sains dan Teknologi Malaysia, 2002)
      Electroplating process has been carried out by utilising the Watt's Bath without brighteners. Plots of weight change of electrodes versus current density shows that weight loss of anodes and weight of deposits on cathodes ...

    • Processing and characterization of calcined kaolin cement powder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Cheng, Yong Heah (Elsevier Ltd, 2012-05)
      Abstract This paper aimed at investigating the possibility of calcined kaolin to produce cement powder that could be an alternative to Portland cement by applying geopolymerization process. Cement paste was firstly made ...

    • The processing, characterization, and properties of fly ash based geopolymer concrete 

      Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya (Advanced Study Center Co. Ltd, 2012)
      In recent years, attempts to increase the utilization of fly ash as a replacement for ordinary Portland cement (OPC) in concrete have increased in significance. Geopolymer concrete does not need the presence of Portland ...

    • Production of bioflocculant by staphylococcus cohnii ssp. from Palm Oil Mill Effluent (POME) 

      Wong, Yee Shian; Ong, Soon An, Dr.; Teng, Tjoon Tow; Nabilah Aminah, Lutpi; Kumaran, Kasthuri (Springer Science+Business Media B.V., 2012-09)
      Staphylococcus cohnii ssp. was found to produce a bioflocculant with high flocculating activity for kaolin suspension. Using optimized culture conditions, a flocculating activity of 70.3 % at a bioflocculation concentration ...