Christophoros Christophoridis

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Exposure to β-N-methylamino-l-alanine (BMAA) might be linked to the incidence of amyotrophic lateral sclerosis, Alzheimer's disease and Parkinson's disease. Analytical chemistry plays a crucial role in determining human BMAA exposure and the associated health risk, but the performance of various analytical methods currently employed is rarely compared. A(More)
Cyanobacterial and algal toxins comprise a large group of harmful metabolites, belonging to different chemical classes, with a variety of chemical structures, physicochemical properties and toxic activities. In this study, a fast, simple and sensitive analytical method was developed for the simultaneous determination of multi-class cyanobacterial and algal(More)
OBJECTIVE To assess the outcome of the distal ureteric stump (DUS) after (hemi)nephrectomy with subtotal ureterectomy. PATIENTS AND METHODS The records of 89 patients (median age 2.7 years, range 0.25-12) who underwent nephrectomy (24) or heminephrectomy (65) with subtotal ureterectomy between 1982 and 1996 were reviewed retrospectively for symptoms(More)
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