Sarcostemma R. Br. (Asclepiadaceae) in East Africa and Arabia

Mantle plumes and associated flow beneath Arabia and East Africa

Immunomodulatory Activity of Ethanol Extract of Sarcostemma Secamone (l.) Bennet (asclepiadaceae) in Mice

Sarcostemma secamone (L.) Bennet an ethnomedicinal plant was studied for its immunomodulatory activity. Immunomodulatory activity of different doses of ethanol extract of Sarcostemma secamone was evaluated in Swiss albino mice. Mice were treated with two doses (150 and 300mg/kg body weight) for 5 days. Body weight, relative organ weight, delayed type hypersensitivity (DTH) response and Haemaggl...

Larvicidal activity of Saponin isolated from Gymnema sylvestre R. Br. (Asclepiadaceae) against Japanese Encephalitis vector, Culex tritaeniorhynchus Giles (Diptera: Culicidae).

AIM To determine the larvicidal activity of various extracts of Gymnema (G.) sylvestre against the Japanese Encephalitis vector, Culex tritaeniorynchus in Tamilnadu, India. To identify the active principle present in the promising fraction obtained in Chlorofom:Methanol extract of Fraction 2. MATERIALS AND METHODS The G. Sylvestre leaf extracts were tested, employing WHO procedure against fou...

Political Stability, Corruption, Democracy and Terrorism In the Middle East and North Africa

Terrorism has been considered as a challenge with serious effect in the world as a result of instability, corruption and lack of democracy in most countries. Confronting this phenomenon requires recognizing its roots to find possible solutions. This study aims to examine the effect of some actual factors which causes the terrorism in short and long run. To this end, investigation has been condu...

Livestock R & D in East and Southern Africa : an Innovation Systems

The concept of an “innovation system” has become used increasingly in current science policy discourse as a metaphor to indicate the need for a much wider perspective on relevant decision-making procedures than has been the case in the past. This paper explores its use from the standpoint of the behaviour of an international agricultural research institute located in Africa and focused on two v...