Figure 1From: Population screening for glucose-6-phosphate dehydrogenase deficiencies in Isabel Province, Solomon Islands, using a modified enzyme assay on filter paper dried bloodspotsAppearance of assay plate wells for testing of G6PD activity from dried blood spots. The distinct yellow colour (first well) indicates a sample with normal G6PD activity, the well with pale yellow colour (second well) represents a sample with moderate deficiency, and the remaining three almost colourless wells are indicative of severe deficiency.Back to article page