*Corresponding author: Ganapathy Rameshkumar, Centre of Advanced Study in Marine Biology, Faculty of Marine Science, Annamalai University, Parangipettai-608 502, Tamil Nadu, India. Tel: +91-4144-243223, 243533 Fax: +91-4144-243555 E-mail: [email protected] Foundation Project: Supported by Department of Science and Technology (Grant No:SR/FF/LS-088/2007) and Ministry of Environment & Forest, ...

Olajide O Agbede1, Juliet O Iseniyi2, Matthew O Kolawole3† & A Ojuawo4 †Author for correspondence 1Department of Medical Microbiology and Parasitology, University of Ilorin, Kwara State, Nigeria 2Department of Haematology, University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria 3Department of Microbiology, University of Ilorin, PMB 1515, Ilorin, Kwara State, Nigeria Tel.: +23 408 0...

E. Cruz-Zaragoza, S. Guzmán, F. Brown, V. Chernov, and M. Barboza-Flores Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Apartado Postal 70-543, México DF, 04510, México, e-mail: [email protected] Departamento de Investigación en Polı́meros y Materiales de la Universidad de Sonora, Apartado Postal 130, Hermosillo, Sonora, 83000 México. Departamento de Investigació...

2 Correspondence to Dr YZ ZHU. Department of Pharmacology, Faculty of Medicine, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260. Phn +65-874-3676. Fax +65-773-0579. E-mail [email protected] Received 2002-09-12 Accepted 2002-10-14  200 2, Act a Pharmacolog ica Si nica ISSN 16 71-4 083 Shang hai Insti tute of Materia Medica Chinese Academy of Sci ences ht tp:/ /www.C...