Ivan Chang Yen

Quantitative Determination of Paralytic Shellfish Poisoning Toxins in Shellfish Using Prechromatographic Oxidation and Liquid Chromatography with Fluorescence Detection: Interlaboratory Study

James F. Lawrence, Barbara Niedzwiadek, Cathie Ménard et al. · Journal of AOAC International · 2004 · 270 citations · Full text

Pharmacy, Toxicology, Analytical Toxicology +14

Heavy metals in sediments, mussels and oysters from Trinidad and Venezuela.

Ivan Chang Yen, Isaac Bekele · PubMed · 2005 · 92 citations · Full text

Natural Sciences, Environmental Sciences, Marine Sciences +15

Heavy Metals in Green Mussel ( Perna viridis ) and Oysters ( Crassostrea sp.) from Trinidad and Venezuela

Luisa Rojas de Astudillo, Ivan Chang Yen, John Agard et al. · Archives of Environmental Contamination and Toxicology · 2002 · 59 citations

Veterinary Medicine, Marine Sciences, Toxicology +16

Relationships between Cadmium in Tissues of Cacao Trees and Soils in Plantations of Trinidad and Tobago

Gideon Ramtahal, Ivan Chang Yen, Isaac Bekele et al. · Food and Nutrition Sciences · 2016 · 48 citations · Full text

Veterinary Medicine, Botany, Plant Sciences +12

Prediction of Soil Cadmium Bioavailability to Cacao (<i>Theobroma cacao</i>L.) using Single-Step Extraction Procedures

Gideon Ramtahal, Ivan Chang Yen, Nazeer Ahmad et al. · Communications in Soil Science and Plant Analysis · 2015 · 28 citations

Agriculture, Plant Sciences, Soil Sciences +17