PPolySim OS
For K-12 Students · Pharmacokinetics

Pharmacokinetics for a neuron firing

Built for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework. Simulate a neuron firing live below — adjust the inputs and watch it respond, right in your browser.

PharmacokineticsLive

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After a dose, drug concentration rises as it absorbs, then falls exponentially as the body clears it. The half-life sets the decline; the goal is to stay inside the therapeutic window — high enough to work, low enough to be safe. Educational tool, not medical advice.

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Data Inspector

Peak concentration12.02 mg/L
Time to peak1.9 h
Elimination rate ke0.173 /h

Governing equation

Reading this result: Absorption (ka 1.2/h) is much faster than elimination, so the drug reaches its peak quickly (about 1.9 h) and the curve then tracks the 4-hour half-life on the way down.

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Frequently asked questions

Is this good for k-12 students?
Yes — this version of "Pharmacokinetics for a neuron firing" is framed for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.