Aqua affinity is a helmet enchantment in Minecraft that negates the mining speed reduction underwater. Players can get it while enchanting a helmet in the enchanting table or combining the helmet with ...

Protein was purified by affinity chromatography using glutathione Sepharose beads (Pharmacia). Bound protein was eluted by cleavage with thrombin. After concentrating to 10 mM, protein was applied ...

The neutral fraction was separated into compound fractions via silica gel column chromatography. The column was constructed using a glass pipette ... and the right panel is color-coded based on ...