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Browsing SCHOOL OF PHYSICAL SCIENCE by Title

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  • Fragmentation instabilities of a liquid drop falling in a miscible fluid 
    Buah-Bassuah, P. K.; Residori, S.; Arecchi, F. T. (University of Cape Coast, 2014)
    We report a set of experimental investigations on the break-up of a liquid drop when falling in a miscible solvent, with the density difference being positive, or negative, or zero. Non-dimensional numbers, derived from ...
  • Fragmentation of a drop as it falls in a lighter miscible fluid 
    Arecchi, F. T.; Buah-Bassuah, P. K.; Francini, F.; Residori, S. (University of Cape Coast, 1996)
    We report an experimental investigation of the fragmentation process of a heavy drop falling in a lighter miscible fluid. For fixed liquid composition and for different drop sizes, we observe that the fragmentation cascade ...
  • Functional models for longitudinal data with covariate dependent smoothness 
    Mensah, David K.; Nott, David J.; Tan, Linda S. L.; Marshall, Lucy (University of Cape Coast, 2014)
    This paper considers functional models for longitudinal data with subject and group specifc trends modelled using Gaussian processes. Fitting Gaussian process regression models is a computationally challenging task, and ...
  • Fungus covered insulator materials studied with laser-induced fluorescence and principal component analysis 
    Bengtsson, M.; Wallstroom, S.; Sjoholm, M.; Gronlund, R.; Anderson, B.; Larsson, A.; Karlsson, S.; Kroll, S.; Svanberg, S. (University of Cape Coast, 2005)
    A method combining laser-induced fluorescence and principal component analysis to detect and discriminate between algal and fungal growth on insulator materials has been studied. Eight fungal cultures and four insulator ...
  • Gastroprotective effect and safety assessment of zanthoxylum zanthoxyloides (lam) waterm root bark extract 
    Boye, Alex; Koffuor, George Asumeng; Boampong, Johnson Nyarko (University of Cape Coast, 2012)
    Problem statement: Gastrointestinal ulcers account significantly for morbidity and mortality in Ghana. The study therefore investigated the gastroprotective effect of an ethanolic root bark extract of Zanthoxylum zanthxyloides ...
  • General scattering mechanism and transport in graphene 
    Rabiu, M.; Mensah, S. Y.; Abukari, S. S. (University of Cape Coast, 2011)
    Using quasi-time dependent semi-classical transport theory in RTA, we obtained coupled current equations in the presence of time varying field and based on general scattering mechanism τ ∝ Eβ .We find that close to the ...
  • Generation and amplification of terahertz radiation in carbon nanotubes 
    Abukaria, S. S.; Mensah, S.Y.; Mensah, N. G.; Adud, K. W.; Rabiu, M.; Dompreh, K. A.; Twum, A. (University of Cape Coast, 2012)
    We investigate theoretically the feasibility of generation and amplification of terahertz radiation in aligned achiral carbon nanotubes (zigzag and armchair) in comparison with a super lattice in the presence of a constant ...
  • Generation and propagation of ultrasonic waves in piezoelectric graphene nanoribbon 
    Rabiu, Musah; Mensah, Samuel Y.; Abukari, Sulemana S.; Amekpewu, Matthew; Sefa-Ntiri, Baah; Twum, Anthony (University of Cape Coast, 2013)
    Generation and propagation of ultrasonic waves in single layer Graphene Nanoribbon is studied using semi-classical approach. When piezoelectric Graphene Nanoribbon (GNR) is exposed to time varying light beam, ultrasonic ...
  • Generation of terahertz radiation by wave mixing in armchair carbon nanotubes 
    Mensah, S.Y.; Abukari, S. S.; Mensah, N. G.; Dompreh, K. A.; Twum, A.; Allotey, F. K. A. (University of Cape Coast, 2000)
    Using semiclassical Boltzmann equation we have studied theoretically an effect of a direct current (DC) generation in undoped armchair carbon nanotube (CN) by mixing two coherent electromagnetic waves with commensurate ...
  • Geometry + simulation modules: Implementing isogeometric analysis 
    Jüttler, Bert; Ulrich, Langer; Mantzafaris, Angelos; Moore, Stephen E.; Zulehner, Walter (University of Cape Coast, 2014)
    Isogeometric analysis (IGA) is a recently developed simulation method that allows integration of fnite element analysis (FEA) with conventional computer-aided design (CAD) software [1,3]. This goal requires new software ...
  • Giant electrical power factor in single-walled chiral carbon nanotube 
    Mensah, S.Y.; Allotey, F.K.A.; Mensah, N.G.; Nkrumah, G. (University of Cape Coast, 2001)
    Using the semiclassical approach we studied the thermoelectrical properties of a single-walled chiral carbon nanotubes (SWNTs). We predict a giant electrical power factor and hence proposed the use of carbon nanotubes as ...
  • Glucose lowering and pancreato-protective effects ofAbrus recatorius (L.) leaf extract in normoglycemic and STZ/Nicotinamide – Induced diabetic rats 
    Boye, Alex; Acheampong, Desmond Omane; Gyamerah, Eric Ofori; Asiamah, Ernest Amponsah; Addo, Justice Kwaku; Mensah, Derrick Addae; Brah, Augustine Suurinobah; Ayiku, Philippa Jennifer (University of Cape Coast, 2020)
    Ethnopharmacological relevance: brus recatorius (L.) leaves are used as folk medicine by the local communities in the western region of Ghana to treat diabetes mellitus; however, this health claim remains unverifUed ...
  • Green’s function studies of phonon transport across Si/Ge superlattices 
    Tian, Zhiting; Esfarjani, Keivan; Chen, Gang (University of Cape Coast, 2014)
    Understanding and manipulating coherent phonon transport in solids is of interest both for enhancing the fundamental understanding of thermal transport as well as for many practical applications, including thermoelectrics. ...
  • Greywater characteristics, treatment systems, reuse strategies and user perception—a Review 
    Oteng-Peprah, Michael; Acheampong, Mike Agbesi; deVries, Nanne K. (University of Cape Coast, 2018)
    This paper resents a literature review of the quality of greywater generated in different, especially developing, countries, constituents found in greywater, some treatment systems, natural materials for treatment, some ...
  • Greywater characterization and generation rates in a peri urban municipality of a developing country 
    Oteng-Peprah, M.; de Vries, N.K.; Acheampong, M.A. (University of Cape Coast, 2017)
    The quantity and quality of combined greywater from houses with in-house water supply and houses that rely on external sources of a peri-urban area in a developing country were determined. Data for quantity of greywater ...
  • Ground state energy of a polaron in a superlattice 
    Mensah, S. Y.; Allotey, F. K. A.; Nkrumah, G.; Mensah, N. G. (University of Cape Coast, 2000)
    The ground state energy of a polaron in a superlattice was calculated using the double-time Green functions. The effective mass of the polaron along the lanes perpendicular to the superlattice axis was also calculated. The ...
  • Groundwater quality assessment: A physicochemical properties of drinking water in a rural setting of developing countries 
    Essumang, David K.; Senu, J.; Fianko, J. R.; Nyarko, B. K.; Adokoh, C. K; Boamponsem, .L (University of Cape Coast, 2011)
    This study determined and characterized the quality of underground water in Twifo Hemang Lower Denkyira District (THLDD) of the central region of Ghana. The research involved the determinations of levels of copper (Cu), ...
  • Haematological and biochemical reference values for healthy adults in the middle belt of Ghana 
    Dosoo, David K.; Kayan, Kingsley; Adu-Gyasi, Dennis; Kwara, Evans; Ocran, Josephine; Osei-Kwakye, Kingsley; Mahama, Emmanuel; Amenga-Etego, Stephen; Bilson, Philip; Asante, Kwaku P.; Koram, Kwadwo A.; Owusu-Agyei, Seth (University of Cape Coast, 2012-04-27)
    Background: Reference values are very important in clinical management of patients, screening participants for enrolment into clinical trials and for monitoring the onset of adverse events during these trials. The aim of ...
  • Hemopexin and haptoglobin: allies against heme toxicity rom hemoglobin not contenders 
    Smith, Ann; McCulloh, Russell J. (University of Cape Coast, 2015-06-30)
    The goal here is to describe our current understanding of heme metabolism and the deleterious effects of “free” heme on immunological processes, endothelial function, systemic infammation, and various end-organ tissues ...
  • High electron thermal conductivity of chiral carbon nanotubes 
    Mensah, S.Y.; Allotey, F.K.A.; Nkrumah, George; Mensah, N.G. (University of Cape Coast, 2003)
    Solving the Boltzmann kinetic equation with energy dispersion relation obtained in the tight binding approximation, the carrier thermal conductivity Ke of a chiral carbon nanotube (CCNT) was determined. The dependence of ...

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