**Meet the editors**

Dean F. Martin, Ph.D. is a distinguished university professor of chemistry emeritus at the University of South Florida, where he joined the faculty in 1964, attaining emeritus status in 2006. Trained as an inorganic chemist, his research interests have been concerned with applications of coordination chemistry to a range of problems including use of ion-exchange chromatography in the

synthesis of organothallium perchlorates, red tide outbreaks, management of nuisance aquatic plants, and removal of nuisance anions and pharmaceuticals from the environment. He is the author or co-author of over three hundred articles in refereed journals, five books and has over 25 years of editorial experience.

Barbara B. Martin, M.S. is an assistant professor of chemistry (courtesy) at the University of South Florida. She graduated from Grinnell College (B.A., 1956) and The Pennsylvania State University (M.S., 1959). She is the co-author of the book, Coordination Compounds, and 72 research articles in refereed journals. She was a co-recipient of the Florida Medal of the Florida Acade-

my of Sciences. She served as a Co-Editor of Florida Scientist for 26 years and became the first Editor Emerita in 2010.

Contents

**Preface VII**

Özlem Bahadir Acikara

**Discovery 59**

Burçin Ergene

Sylwester Czaplicki

Dean F. Martin

Antônio C. Siani

**Chelating Agents 123**

**Chromatography 149**

Chapter 1 **Ion Exchange Chromatography - An Overview 1** Yasser M. Moustafa and Rania E. Morsi

Chapter 2 **Ion-Exchange Chromatography and Its Applications 31**

Chapter 4 **Chromatography in Bioactivity Analysis of Compounds 99**

Chapter 5 **Chromatographic Separations with Selected Supported**

Chapter 6 **A General Description of Apocynaceae Iridoids**

Ohana and Jefferson Rocha de A. Silva

Chapter 7 **Analysis of the Presence of the Betulinic Acid in the Leaves of**

Özlem Bahadir Acikara, Gülçin Saltan Çitoğlu, Serkan Özbilgin and

Ana Cláudia F. Amaral, Aline de S. Ramos, José Luiz P. Ferreira, Arith R. dos Santos, Deborah Q. Falcão, Bianca O. da Silva, Debora T.

**Eugenia florida by Using the Technique GC/MS, GC/FID and HPLC/DAD: A Seasonal and Quantitative Study 183**

Alaíde S. Barreto, Gláucio D. Feliciano, Cláudia Cristina Hastenreiter da Costa Nascimento, Carolina S. Luna, Bruno da Motta Lessa, Carine F. da Silveira, Leandro da S. Barbosa, Ana C. F. Amaral and

Chapter 3 **Affinity Chromatography and Importance in Drug**
