This thesis is an account of investigation on the natural products deriving from various marine algae and has resulted in the discovery of eleven novel bioactive metabolites. Isolation and characterization of these new molecules were carried out using different chromatographic techniques and by analyses of different spectroscopic data, respectively. Using...
Finding renewable sources of agricultural fertilizer will be necessary to ensure a stable food supply for future generations. Phosphorus is of particular concern, since mining phosphate rock is the main source and reserves are forecasted to deplete in the next 50 – 200 years. Human urine contains substantial amounts of...
The cleanliness of water is a major issue with regards to humanity's continued survival. The chlorination and chloro-amination of water is essential to the creation of microbiologically clean water. However these processes also give rise to oxidative byproducts such as nitrosamines. In particular, due to its high toxicity, N-Nitrosodimethylamine (NDMA)...
This thesis experimentally determines the feasibility to creating C4 to C10 hydrocarbons from CO2, CO, H2, H2O and CH4. This is done in two steps, the initial step is the formation of ethylene through DC electrical glow discharge at ambient pressure while the second step is through temperature pulse controlled...
There is a perception that exposing seeds to x-ray in airports during export may affect the quality of seeds. This study was triggered when pear (Pyrus betulifolia) and peach (Prunus persica) grower reported that seeds quality was reduced after they were exposed to X-ray and tested in the final destination....
This study analyzed intercultural communication competence between
Malays and Chinese in organizational and social settings in Malaysia. Two
groups: Malays and Chinese in organizations in Kuala Lumpur (Malaysia),
were studied.
The intent of this study was to find similarities and differences in
Malays and Chinese' communication styles. A total of...
Lack of access to safe water is the leading cause of mortality in the world; approximately 3.4 million people die every year from waterborne pathogens. Inadequate access to safe drinking water and sanitation has contributed to an annual average of 1,980,000 deaths of children under five from diarrheal disease. Three...
Availability of evergreen forage plants during the
two dry seasons in arid central Somalia is very important.
Cordeauxia edulis is a multistemmed evergreen legume shrub
which grows in Central Somalia in plant communities
dominated by deciduous shrubs. There are two growth forms
of this plant. A form with small leaflets...
The Supplemental Nutrition Assistance Program (SNAP) is the largest federal nutrition assistance program in the US aiming at improving health and nutrition among low-income individuals and households. SNAP is a means tested program that provides monthly cash benefits to eligible households and individuals whose assets and net monthly incomes are...
The scarcity of wireless spectrum resources and the overwhelming demand for wireless broadband resources have prompted industry, government agencies and academia within the wireless communities to develop and come up with effective solutions that can make additional spectrum available for broadband data. As part of these ongoing efforts, cognitive radio...