Tesfaye Tolesa | OMICS International
ISSN: 2155-9872

Journal of Analytical & Bioanalytical Techniques
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Tesfaye Tolesa

Department of Chemistry, Addis Ababa University, PO Box 1176, Addis Ababa, Ethiopia


Tesfaye Tolesa has extended his valuable service for many years and has been a recipient of many award and grants. His international experience includes various programs, contributions and participation in different countries for diverse fields of study.  His research interests reflect in his wide range of publications in various national and international journals.

Single Drop Microextraction Analytical Technique for Simultaneous Separation and Trace Enrichment of Atrazine and its Major Degradation Products from Environmental Waters Followed by Liquid Chromatographic Determination

In this work, a method of single drop microextraction (SDME) combined with high performance liquid chromatography (HPLC) with diode array detection (DAD) was studied for trace level enrichment as well as simultaneous determination of atrazine (ATZ) and its major degradation products such as desethylatrazine (DEA) and desisopropylatrazine (DIA) i... Read More»

Alula Yohannes, Tesfaye Tolesa, Yared Merdassa and Negussie Megersa

Research Article: J Anal Bioanal Tech 2016, 7:330

DOI: 10.4172/2155-9872.1000330

Abstract Peer-reviewed Full Article Peer-reviewed Article PDF Mobile Full Article