Proceedings of the National Academy of Sciences of the United States of America, Vol. 100, No. 10 (May 13, 2003), pp. 6104-6108 (5 pages) We show that hepatitis C virus (HCV) p7 protein forms ion ...

A member of an important class of ion channel proteins can transiently rearrange itself into a larger structure with dramatically altered properties, according to a new study. The discovery is a ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Sodium is in group 1. A sodium atom has one electron in its outer shell. The atom is more stable if it has a full outer shell. A sodium atom can lose its outer electron. It will still have 11 positive ...

Copper ions exchanged into zeolites are active for the selective catalytic reduction (SCR) of nitrogen oxides (NOₓ) with ammonia (NH₃), but the low-temperature rate dependence on copper (Cu) ...