This book has been divided into fourteen chapters and each chapter covers a Research Project.I have made every effort to make the research projects as clear as possible. Theoretical background has been given at the begining of the chapter.The research projects on Diffusion are grouped together.A variety of research projects are covered in this book.A novel idea such as viscosity of biological membrane through diffusion study should intrest most of the researchers in pharmaceutical sciences.A pharmacologist would be intrested in research project on Drug-Drug interaction through acetyl choline...