50-year quest to replace warfarin: Nature Video
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Active Transport
Active transport (or active uptake) is the mediated transport of biochemicals, and other atomic/molecular substances, across membranes. Unlike passive transport, this...
Plasmid DNA Extraction
Plasmid is a DNA molecule that is separate from, and can replicate independently of, the chromosomal DNA.[1] They are double stranded...
Multiple Sclerosis Animation
Multiple sclerosis (abbreviated MS, also known as disseminated sclerosis or encephalomyelitis disseminata) is an autoimmune condition in which the immune system...
DNA Extraction
DNA extraction is a routine procedure to collect DNA for subsequent molecular or forensic analysis. There are three basic steps in...
Western Blot Animation
The western blot (alternately, immunoblot) is a method of detecting specific proteins in a given sample of tissue homogenate or extract....
Olfactory Pathway Animation
The olfactory system is the sensory system used for olfaction. Most mammals and reptiles have two distinct parts to their olfactory...
Using AutoDock
AutoDock is a suite of automated docking tools. It is designed to predict how small molecules, such as substrates or drug...
Extracellular signaling
Communication by extracellular signals usually involves six steps: (1) synthesis and (2) release of the signaling molecule by the signaling cell;...
How the NAD+ Works
Nicotinamide adenine dinucleotide, abbreviated NAD+, is a coenzyme found in all living cells. The compound is a dinucleotide, since it consists...
Monoclonal Antibody for Cancer Treatment
Ron Levy, MD, professor of Medicine at Stanford, recounts his experiences moving his discovery from the lab to the clinical setting...
