is 42.65 KB, has a resolution of 1014x1472 pixels and was uploaded on September 30, 2019 @ 3:53 am by user: stefaser. It is filed under the tags: positron, radioactive decay, positron emission, chemistry, gamma ray. Click the blue button at the top to freely download: Azide-alkyne Huisgen Cycloaddition Positron Emission Tomography Radioactive Tracer png.