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Novel drug delivery systems (NDDS) have recently gained importance
for delivering a variety of therapeutic agents for both local and
systemic administration. Delivery of drugs directly to targeted
sites of action provides several advantages over non-specific
delivery of drugs. Oral colon targeted drug delivery system is one
of that NDDS which directly deliver a drug in to the colon for
local treatment of a variety of colonic diseases as well as
systemic absorption of proteins and peptides. The Metronidazole is
the drug of choice in the treatment of the diseases like
Amoebiasis, Giardiasis, Trichomonosis and Bacterial Vaginosis. The
aim of the present research was to design, development and
optimization of swellable rupturable system taking account of local
action of the Metronidazole drug in the lower gastrointestinal
tract to kill the bacteria in the disease conditions like
Amoebiasis, Giardiasis and Trichomonosis.
Recent decades continuous increased in the fuel price and fast
depletion of the available fossil fuel reservoir, so it is
necessary to find out the alternative fuel for the engine. The use
of vegetable oils as a fuel directly in diesel engines causes some
problems due to their high viscosity compared with conventional
diesel fuel. Various techniques and methods are used to solve the
problems resulting from high viscosity like preheating, blending,
Esterification etc. One of these techniques is fuel blending. Find
the best blend and add the ethanol in that blend in the 5%, 10% and
15% find the engine performance and emission characteristics.
Engine performance and emission were investigated and compared with
the ordinary diesel fuel in a diesel engine. Experimental results
show that the engine power and torque of the mixture of sesame
oil-diesel fuel are close to the values obtained from diesel fuel
and the amounts of exhaust emissions are lower than those of diesel
fuel. It is concluded that it is possible to use Sesame oil in
diesel engines as an alternate fuel in the future without
modification in the engine.
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