We propose a two-dimensional model of biochemical activation process. whereby self-propelling particles of finite correlation times are injected at the center of a circular cavity with constant rate equal to the inverse of their lifetime; activation is triggered when one such particle hits a receptor on the cavity boundary. modeled as a narrow pore. We numerically investigated this pr... https://www.bekindtopets.com/super-pick-Rx-Quadruple-Topical-Ointment-Quadritrop-for-Dogs-Cats-30-mL-super-grab/