The chemical stimulus
is derived from three chemicals that have been isolated from food baits--ammonia, putrescine, and trimethylamine.
In the current study, 12 healthy young adults inhaled from a nebulizer containing capsaicin, the burning ingredient in chili peppers and a potent chemical stimulus
In recent years, a number of research groups have synthesized molecular motors, but mainly in liquids, where the devices are easier to activate with light or a chemical stimulus
In layman's terms, that's the ability of T-cells to rapidly divide when they bump into a chemical stimulus
, or antigen.
We found that a small subdivision of the olfactory system-one that differs from the rest of the olfactory system in the expression of key proteins used to translate a chemical stimulus
into neural signals and in the way it connects to the brain-is specialized for detecting this social stimulus.