Please help improve the article with a good introductory style. (October 2009) (Learn how and when to remove this template message) A molecular probe is a group of atoms or molecules used in molecular biology or chemistry to study the properties of other molecules or structures.
Several medications are approved by the U.S. Food and Drug Administration to treat symptoms of Alzheimer's. Donepezil (AriceptÂ®), rivastigmine (ExelonÂ®), and galantamine (RazadyneÂ®) are used to treat mild to moderate Alzheimer's (donepezil can be used for severe Alzheimer's as well). Memantine (NamendaÂ®), is used to treat moderate to severe Alzheimer's.
Huperzine (HOOP-ur-zeen) A, a dietary supplement derived from the Chinese club moss Huperzia serrata, has received some interest as a potential treatment for Alzheimer's disease.Huperzine A acts as a cholinesterase inhibitor â a type of medication that works by improving the levels of neurotransmitters in the brain.Small early studies suggest that huperzine A may improve memory and protect nerve cells, which could slow the cognitive decline associated with Alzheimer's.uperzine A acts as a cholinesterase inhibitor â a type of medication that works by improving the levels of neurotransmitters in the brain. Small early studies suggest that huperzine A may improve memory and protect nerve cells, which could slow the cognitive decline associated with Alzheimer's.