Department of Physics: Recent submissions

  • Microct imaging and in vivo temperature elevations in implanted prostatic tumors in laser photothermal therapy using gold nanorods 
    Manuchehrabad, N.; Attaluri, A.; Cai, H.; Edziah, R.; Lalanne, E.; Bieberich, C.; Ma, R.; Johnson, A. M.; Zhu, L. (University of Cape Coast, 2012)
    In this study, in vivo animal experiments are performed on implanted enograph rostatic tumors in nude mice to investigate enhanced laser energy absorption in the tumors by an intratumoral injection of old nanorod solutions. ...
  • Temperature dependence of the thermal conductivity of single-wall carbon nanotubes 
    Osman, Mohamed A; Srivastava, Deepak (University of Cape Coast, 2000)
    The thermal conductivity of several single-wall carbon nanotubes has been calculated over a temperature range of 100–500 K using molecular dynamics simulations with the Tersoff–Brenner potential for C–C interactions. In ...
  • Telecobalt machine beam intensity modulation with aluminium compensating filter using missing tissue approach 
    Tagoe, Samuel Nii Adu; Mensah, Samuel Yeboah; Fletcher, John Justice; Sasu, Evans (University of Cape Coast, 2017)
    The present study aimed to generate intensity-modulated beams with Aluminium compensating filters for a conventional telecobalt machine based on the outputs of a treatment planning system (TPS) performing forward planning ...
  • Synthesis of zeolites from bauxite and kaolin: Effect of synthesis parameters on competing phases 
    Kwakye-Awuah, Bright; Von-Kiti, Elizabeth; Nkrumah, Isaac; Sefa-Ntiri, Baah; Williams, Craig D. (University of Cape Coast, 2018)
    Bauxite and kaolin from Ghana Bauxite Company mine site were used to synthesize zeolites. Bauxite served as the alumina source and kaolin the silica source. Synthesis variations include variation of aging time at constant ...
  • Surface tension effects in the zero gravity inflow of a drop into a fluid 
    Residori, S.; Pampaloni, E.; Buah-Bassuah, P.K.; Arecchi, F.T. (University of Cape Coast, 2000)
    As a drop of fluid is deposited on the surface of a miscible fluid (that we call the solvent), I tundergoes a strong pulling due to its surface rupture and it acquires a kinetic energy independently of gravity. For the ...
  • Studies of gas exchange in fruits using laser spectroscopic techniques 
    Persson, Linda; Anderson, Benjamin; Andersson, Mats; Sjoholm, Mikael; Svanberg, Sune (University of Cape Coast, 2005)
    Non-intrusive, in-vivo, real-time measurements of oxygen contents and oxygen diffusion in fruits using a laser spectroscopic technique are presented, where the narrow absorption features due to the free gas in pores in the ...
  • Stark-cyclotron resonance in an array of carbon nanotubes 
    Abukaria, S. S.; Mensah, S. Y.; Musah, R.; Mensah, N. G.; Dompreh, K. A. (University of Cape Coast, 2015)
    Using the kinetic approach based on the semiclassical Boltzmanns transport equation with constant relaxation time, we theoretically studied the Stark cyclotron resonance in an array of carbon nanotubes. Exact expression ...
  • Stability of gold thin films on polyimide 
    Amoako, G.; Mensah, S. Y.; Twum, A.; Teye, V. D. (University of Cape Coast, 2011)
    Gold/Polyimide interfaces are prepared by depositing thin gold films onto polyimide with Si substrates and subsequently annealing at various temperatures. The interface is studied with the help of Rutherford backscattering ...
  • Spectroscopic study of uv transparency of some materials 
    Sackey, Samuel S.; Vowotor, Michael K.; Owusu, Alfred; Mensah-Amoah, Patrick; Tatchie, Ebenezer T.; Sefa-Ntiri, Baah; Hood, Christiana O.; Atiemo, Sampson M. (University of Cape Coast, 2015)
    Elevated exposure to Ultra-Violet Radiation (UVR) from the sun has led to adverse effects on human skin and foods, and therefore, the need for materials that offer resistance to Ultra-Violet (UV) penetration for protection. ...
  • Spectral characteristics of the annual mean rainfall series in Ghana 
    Oduro-Afriyie, K.; Adukpo, D. C. (University of Cape Coast, 2006)
    Time series of standardised (normalised) deviations of annual mean rainfall in Ghana for the period 1961-1998 was plotted using data for 30 stations. The plot revealed widespread floods in 1962, 1963 and 1996, and widespread ...
  • Spatial distribution of electric field strength at a teaching hospital premises due to transmissions between 87.5 mhz and 2.6 ghz 
    Azah, C. K.; Amoako, J. K.; Sam, F. (University of Cape Coast, 2018)
    A radiofrequency (RF) electromagnetic radiation safety assessment had been carried out at public access points within the compound of a teaching hospital. The frequency band investigated ranged from 87.5 MHz to 2.6 GHz. ...
  • Soil textural classification by a photosedimentation method 
    Buah-Bassuah, Paul K.; Euzzor, Stefano; Francini, Franco; Quansah, Gabriel W.; Sansoni, Paola (University of Cape Coast, 1998)
    A photosedimentation technique is used to analyze the size composition of soil samples. The number and size of the particles are determined, respectively, by the Stokes formula and the Beer–Lambert law, measuring time-of-flight ...
  • Semiconductor fluorinated carbon nanotube as a low voltage current amplifier acoustic device 
    Sakyi-Arthur, D.; Mensah, S. Y.; Adu, K. W.; Dompreh, K. A.; Edziah, R.; Mensah, N.; Jebuni-Adanu, C. (University of Cape Coast, 2020-02-12)
    Acoustoelectric effect (AE) in a non-degenerate fluorinated single walled carbon nanotube (FSWCNT) semiconductor was carried out using a tractable analytical approach in the hypersound regime q 1 , where q is the acoustic ...
  • Sciamachy validation using ground-based doas measurements of the University of Bremen Bredom network 
    Richter, A.; Adukpo, D.; Fietkau, S.; Heckel, A.; Ladstätter-Weißenmayer, A.; Löwe, A.; Medeke, T.; Oetjen, H.; Wittrock, F.; Burrows, J. P. (University of Cape Coast, 2002)
    A network of ground-based UV/visible DOAS instruments operated by the University of Bremen is used to validate total column measurements from the SCIAMACHY instrument on ENVISAT from the tropics to the Arctic. Measurement ...
  • Scatter radiation dose assessment in the radiology department of Cape Coast Teaching Hospital-Ghana+5 
    Owusu-Banahene, J.; Darko, E. O.; Charles, D. F.; Maruf, A.; Hanan, I.; Amoako, G. (University of Cape Coast, 2018-12-26)
    During the operation of an X-ray machine, if the radiation protection of X-ray room is insufficient, not only the patient but also clinical staffs as well as public are exposed to high X-ray exposures. In this research ...
  • Scanning digital holography at 10.6μm for large scene reconstruction 
    Mensah, Philip; Locatelli, Massimiliano; Pugliese, Eugenio; Poggi, Pasquale; Bassuah, Paul K Buah; Meucci, Riccardo (University of Cape Coast, 2018-05-18)
    We demonstrate amplitude reconstruction of a very large scene hologram recorded by means of digital holography at 10.6 microns. Infrared digital holography is characterized by a low vibration sensitivity and a large field ...
  • Removal of Pb 2+ and Fe2+from water samples in Ghana by synthetic zeolites as measured by atomic absorption spectroscopy and light transmission experiments 
    Sefa-Ntiri, B.; Kwakye-Awuah, B.; Mensah-Amoah, P.; Williams, C. (University of Cape Coast, 2015)
    The removal efficiencies of laboratory-synthesized zeolite types LTA and LTX on lead and iron in water samples collected from rivers, streams, and wells from Central and Volta regions of Ghana were investigated. The ...
  • Rectification due to harmonic mixing of two coherent electromagnetic waves with commensurate frequencies in carbon nanotubes 
    Abukari, Sulemana S.; Adu, Kofi W.; Mensah, Samuel Y.; Mensah, Natalia G.; Rabiu, Musah; Twum, Anthony; Amekpewu, Mathew; Dompreh, Kwadwo A. (University of Cape Coast, 2013)
    We report on a theoretical investigation of carbon nanotubes subjected to a pure alternating electric field consisting of two phase-shifted harmonic fields of frequencies ω1 = Ω and ω2 = 2Ω (harmonic mixing) without any ...
  • Recent trends in the daily rainfall regime in Southern West Africa 
    Nkrumah, Francis; Vischel, Théo; Panthou, Geremy; Klutse, Nana Ama Browne; Adukpo, David C.; Diedhiou, Arona (University of Cape Coast, 2019)
    Extreme climate events, either being linked to dry spells or extreme precipitation, are of major concern in Africa, a region in which the economy and population are highly vulnerable to climate hazards. However, recent ...
  • Rapid laser direct writing of plasmonic components 
    Amoako, G.; Zhang, W.; Zhou, M.; Sackey, S. S.; Mensah-Amoah, P. (University of Cape Coast, 2017)
    A new device named technology-plasmonics has recently emerged and can be used to manipulate light at the nanoscale level. Here, we report the method of two-photon photopolymerization for rapid laser direct writing of ...

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