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An express method of solid-phase extraction was proposed for the first time for isolation and purification of [18F]flumazenil, a radioligand used to quantify the density of central benzodiazepine receptors by positron emission tomography (PET). This novel approach afforded the radioligand with >97% radiochemical purity and a high chemical purity (nitromazenil content <1 μg mL–1) and considerably...
Malaysia is the largest exporter of tropical woods in the world, accounting for 70 percent of the world's supply of raw-logs. Sabah and Sarawak, the two Malaysian states on the island of Borneo, occupies some of the oldest and the most diverse rain forest in the world. Malaysia has a rich variety of tree species, and the wood produced from each of these has unique structure, physical and mechanical...
One of the most important issues in electrical modeling of physiological system is to find an effective way of making the most accurate equivalent electrical circuit. For this reason, in this research a new way of calculation of equivalent resistance of any type of vessels in biological systems has been proposed. The research presented in this paper is part of an ongoing effort to utilize mathematical...
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