Institute Laser: Recent submissions

  • Diagnosis of Sickle Cell Anemia Using Laser Emission Spectroscopy 
    Mohammed, Esraa Hassan Ali; Supervisor, -Nafie A. Almuslet (Sudan University of Science and Technology, 2017-10-26)
    In this research,the laser emission spectroscopy was utilized to diagnose the sickle cell anemia among five samples of blood;one normal and four with sickle cell anemia. The five samples were irradiated by diode laser of ...
  • Identification of Heavy Metals in SomeWater Sources in Khartoum State using Laser Induced Breakdown Spectroscopy 
    MIRGANI, EHESSAN BAKRI; Supervisor, -Nafie A. Almuslet; Co-Supervisor, -Mubarak Elmahal Ahmed (Sudan University of Science and Technology, 2017-08-03)
    In this work, Laser Induced Breakdown Spectroscopy (LIBS) was used to investigate, and identify, the heavy metals in samples of water collected from different places in Khartoum state during the period from 2013 to 2015. ...
  • Hardness Enhancement of Human Teeth Filler (Amalgam) Using Low Level Laser 
    Elbashier, Reem Mirghani Gaafer; Supervisor, -Nafie A. Almuslet (Sudan University of Science and Technology, 2017-08-28)
    In this study, human teeth filler (Amalgam) hardness was enhanced using Low Level Laser. The amalgam samples were prepared by amalgamator device and irradiated for 30 seconds by diode laser with wavelength of 671 nm and ...
  • Effect of Direct Sunlight Exposure on Selected Food Dyes 
    Abd-Almageed, Huda Alhassan Omer; Supervisor, -SiddegTawerKafei (Sudan University of Science and Technology, 2017-07-03)
    This research was proposed to study the effects of direct Sunlight exposure on selected artificial food dyes(Sunset yellowE110, TartrazineE102, Allura RedE129, Fast GreenE142). These dyes were desolved in distilled water ...
  • Unidirectional and Bidirectional Synchronization and Control in Chaotic Diode Laser 
    Ahmed, ALrabab Hassan Eisa Mohamed; Supervisor, -Kais. A. Al Naimee; Co-Supervisor, -Wafaa. S. Abdulrahman (Sudan University of Science and Technology, 2017-08-24)
    This study aimed to control chaos from Amplitude modulation optoelectronicdelayed feedback of diode laser, under 1GHz modulation frequency. Also to control unidirectional synchronization and bidirectional synchronization ...
  • Effect of Laser Radiation on Germination and Growth Rate of Sorghum Vulgar Seeds 
    Mohammed, GholamallahSiddigMerghani; Supervisor, -S.T.Kafie (Sudan University of Science and Technology, 2017-07-30)
    Laser is one of the sources for inducing biostimulation effect and genetic changes in plants. In this study the IR laser (wavelength 915 nm) was usedto stimulateSorghum vulgar Sppseeds. Seeds were divided into two groups, ...
  • Efficiency Enhancement of Silicon Photovoltaic Cells by Radiating (CO2) Pulses Laser 
    Bakkri, Husam Abdalla Eljack; Supervisor, -Kais Abdelsatar Al-Naimee; Co-Supervisor, -Babikr Osman Elbashir (Sudan University of Science and Technology, 2017-08-22)
    Using Radiation Technology by laser pulsation it does not need to bring samples but it could be irradiating by pulses laser co2 into small spaces being taken into account so as not to make damages on sample during ...
  • Tracking of Refractive Index variation of Polymethyl Methacrylate after irradiated by femtosecond Laser 
    Mohamed, Abdel Rahman Abdel Bari; Supervisor, -Kais A. M. Al Naimee; Co-Supervisor, -Kasim Al Hity (Sudan University of Science and Technology, 2017-08-22)
    This research is aim to modify the subsurface of poly methyl methacrylate (PMMA) and create diffraction grating by means of ultra short UV laser(Ti:Saphire ) with pulse duration of 250 femto-second laser, wavelength of ...
  • Usage of Laser Raman Spectroscopy to Identify the Unstable Compounds in Iron Oxides 
    Mohammed, Siham Mohammed Hassen; Supervisor, -Nafie A. Almuslet (Sudan University of Science and Technology, 2017-09-18)
    In this work laser Raman Spectroscopy was used to identify the unstable compounds in five samples of iron oxides (hematite, magnetite, goethite, akaganeite and 2-line ferrihydrite). Firstly iron oxide samples were prepared ...
  • Usage of laser emission spectroscopy to produce singlet oxygen from Methylene blue, Eosin yellow and Fluorscin 
    Osman, Ibrahim Slah Mohammed (Sudan University of Science and Technology, 2017-05-17)
    In this work the emission of singlet molecular oxygen at room temperature was determined by using spectroscopic method. The dyes were preparedfrom (Methylene blue, Eosin yellow and Fluorscin dissolving in methanol ...
  • Photodegradation of Methyl Orange Molecules Using Laser Photocatalysis 
    Abdlrhman, Hayfaa Taj Elsier Ahmed (Sudan University of Science and Technology, 2017-05-17)
    In this work, a UV light emitting diode (LED) with a wavelength of 365 nm and power 1200 mW was used as UV source for the photodegradation of methyl orange molecules by stimulating zinc oxide, as a catalyst, to interact ...
  • Determination of the Optical Properties of Pure and Doped Polyvinyl Alcohol using Different Lasers 
    Osman, Wafaa Hassan (Sudan University of Science and Technology, 2017-05-15)
    In this work, the optical properties of purepolyvinyl alcohol(PVA) and PVA doped with silver nitratewith different mass ratioswere studied using different types of monochromatic light sourcesin wavelength range (360-920) ...
  • Cleaning Rust of Iron using Pulsed CO2 Laser 
    Abd Elwahab, Ahmed Abd Elwahab Ahmed (Sudan University of Science and Technology, 2017-05-05)
    As general laser properties it’s unique, are used in a wide variety of applications in all walks of life. The common problem to metal industrial is rust. The rust is a layer coated surfaces of metallic object which decreases ...
  • Optical Characterization of Thick Films for Some Oxides Fabricated by Pulsed Laser Deposition 
    Elnour, Omar Ahmed Mohammed (Sudan University of Science and Technology, 2016-06-23)
    The main aim of this study was to deposit thick films of Titanium dioxide, Zinc oxide and Aluminum oxide, all deposited individually on a glass substrate by pulsed laser technique . In this technique a Q-Switch Nd:YAG laser ...
  • Characterization of Gum Arabic Using Laser Induced Breakdown Spectroscopy LIBS 
    Yousif, Mashair Ahmed Mohammed; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2017-02-02)
    The aim of this work was to characterize the Gums Arabic, by using Laser Induced Breakdown Spectroscopy (LIBS) technique. This method gives a clear picture of the components of Gum Arabic and does not change the nature of ...
  • Utilization of Raman Spectroscopy to Identify the Components of Groundwater in Some Western Areas of Saudi Arabia Kingdom 
    Abdalla, Mohammed Abdalla Yousif; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2016-11-07)
    The aim of this study is to characterize and identify the components of ground water samples collected from different areas in the western region of Kingdom of Saudi Arabia, using Raman spectroscopy. Water samples were ...
  • Usage of different lasers to produce emission of light from some dyes 
    Mohammed, Nahla Elballola Ahmed; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2016-03-07)
    In this work, the emission of some dyes were studied after excitation by different lasers. The emitted light can be used for different applications including Photodynamic Therapy (PDT). The dyes were preparedfrom (Alcain ...
  • Photodegradation of Malachite Green Molecules Using CuO Photocatalyst 
    Mohamed, Amani Mohamed Yosif; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2016-04-10)
    In this work the toxic Malachite green was degraded using photodegradation technique, in which a LED emitting at 365 nm and power 1200mW was used as UV source. It stimulate the copper oxide (CuO) to interact with Malachite ...
  • Fabrication of Multilayersthin Films and Determination of their Optical Prospectiveusing Different Lasers 
    Abbas, Amal Mohamed; Supervisor, - Nafie A.Almuslet (Sudan University of Science and Technology, 2016-03-22)
    This work aimed to fabricate multilayers thin films by liquiddeposition and to determin their optical properties.Three dyes were used for this aim; Phenexazon, Rohadamine and Coumarin. Five samples were made fromthese ...
  • Evaluation of Using Fourier Infrared Spectroscopy and Laser - Raman in Bladder Malignancy Diagnosis 
    Ali, Essam Eigeily A/tined; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2009-03-03)
    Bladder cancer is one of the most common cancers In Africa. It takes several days to reach a diagnosis using histological examinations of specimens obtained by endoscope, which increases the medical expense. Spectroscopic ...

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