🫀 Y học & Lý sinh

Cardiac Action PotentialA FitzHugh-Nagumo model of cardiac tissue: click to stimulate regions and watch… Drug Diffusion & PharmacokineticsA two-compartment PK model: compare IV bolus, oral and infusion dosing, plot plasma/tissue… Blood Flow & Vessel MechanicsA pulsatile Poiseuille flow model: adjust vessel radius, stenosis, pressure gradient and… Pharmacokinetics — Drug Concentration & Half-lifePick IV bolus or oral dosing in a one-compartment PK model, adjust dose, elimination rate… Immune ResponseNewSet pathogen virulence, immune strength and vaccination rate, then watch innate and adaptive… Herd ImmunityVary R0 and vaccination coverage to see when enough of the population is immune to stop an… Complement CascadeTrigger the classical, lectin or alternative pathway and follow C3 convertase amplification… Epidemic Model — SIR & Vaccination ThresholdsNewSIR compartmental model with vaccination: see how herd immunity threshold, R0 and… Antibiotic ResistanceNewBacteria evolve resistance under antibiotic selection: susceptible cells die above their MIC… SEIR Epidemic Model — Exposed & Intervention DynamicsNewAn SEIR model with an Exposed compartment: toggle lockdown, masks and vaccine rollout on a… ECG & the Heartbeat — Electrical Waves of the HeartNewEach heartbeat is an electrical wave sweeping from the SA node through the heart. The ECG… Wound Healing — Cell MigrationNewCollective cell migration closes a wound. Leading edge cells extend lamellipodia driven by… Epidemic on a NetworkSIR epidemic spreading on a heterogeneous contact network — super-spreader dynamics. Heart Rhythm — Cardiac Action PotentialFitzHugh-Nagumo excitable medium models cardiac pacing, conduction and an ECG-like trace.