Biophysics & Medical Physics

A radiation protection quantity representing the overall stochastic health risk to the whole body by weighting organ equivalent doses by…

E = ∑ H_T × w_T = ∑ D_T × w_R × w_T mSv (Millisieverts)

The motion of a liquid containing mobile ions through a porous biological membrane or microchannel driven by an applied electric field.

v_eo = (ε_r ε₀ ζ / η) E (Smoluchowski Equation) m/s (Electro-osmotic Velocity)

Biophysics & Medical Physics

A non-invasive diagnostic technique recording the spatial bioelectric potential changes produced by heart muscle depolarization and…

Cardiac Dipole Vector P(t), Einthoven's Triangle Lead Vectors mV (Amplitude ~1 mV) & bpm (Heart Rate)

Biophysics & Medical Physics

A non-invasive neurophysiological technique measuring electrical brain activity using surface scalp electrodes.

Frequency Bands: Delta (1–4Hz), Theta (4–8Hz), Alpha (8–12Hz), Beta (12–30Hz) μV (Microvolts ~10–100 μV) & Hz

Biophysics & Medical Physics

A biophysical technique applying short, high-voltage electric field pulses to cells to temporarily increase cell membrane permeability by…

Critical Transmembrane Breakdown Voltage V_c ≈ 0.5–1.0 V kV/cm (Electric Field Strength)

Biophysics & Medical Physics

The thermodynamic concept describing how open biological systems maintain high internal structural order by expelling heat and entropy to…

dS_system + dS_environment ≥ 0 (Schrödinger: 'Living on Negative Entropy') J/K (Entropy)

Biophysics & Medical Physics

A radiation protection dose quantity weighing absorbed dose by the specific biological effectiveness factor w_R of the radiation type.

H = D × w_R (Radiation Weighting Factor w_R) Sv (Sievert = J/kg) or rem