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Browsing by Author "Sam, Frederick"

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Characterization of potential direct recharge in the gold mining district of South-Western Ghana using the hydrus-1d computer code

Sam, Frederick; Amoako, George; Sefa-Ntiri, Baah; Twum, Anthony; Mensah-Amoah, P.; Tellam, John (University of Cape Coast, 2018-07-18)

The mean annual potential recharge rate to the ground water system in the Tarkwa gold mining district of South Western Ghana, has been estimated for the period 1977 to 2001 by analyzing precipitation recharge in response ...
Connecting DNA origami structures using the biotin streptavidin specific binding

Ming, Zhou A; Ye, Rian; Mensah-Amoah, Patric; Twum, Anthony; Sam, Frederick; Amoako, George (University of Cape Coast, 2015)

This work made use of the strong interaction between biotin and streptavidin to connect designed DNA origami structures. The caDNAno software was used to design a 6 layer 3D origami cross-like structure. Selected DNA strands ...
Direct current generation in carbon nanotubes by terahertz field

Abukari, Sulemana S; Sam, Frederick; Mensah, Samuel Y.; Mensah, Natalia G.; Musah, Rabiu; Twum, Anthony; Amoah, Patrick M.; Owusu, Alfred (University of Cape Coast, 2016-02-29)

We report on a theoretical investigation of a direct current generation in carbon nanotubes (CNTs) that are stimulated axially by terahertz (THz) field. We consider the kinetic approach based on the semiclassical Boltzmann’s ...
Propagation of ultrasonic waves in bulk gallium nitride (gan) semiconductor in the presence of high-frequency electric field

Mensah, S.Y.; Mensah, N.G.; Elloh, V.W.; Banini, G.K.; Sam, Frederick; Allotey, F.K.A. (University of Cape Coast, 2005)

The propagation of ultrasound is studied in bulk GaN semiconductor in the presence of a strong, ac field oscillating at a frequency much higher than that of the ultrasound. Analytical expressions have been obtained for the ...

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