Biophysics

Physical principles applied to biological systems — from molecules to organisms.


field tier

Biophysics sits within biology and addresses physical principles applied to biological systems — from molecules to organisms. The page below sketches the conceptual scope of the area, the methodological tools it relies on, and the recent literature anchoring its current frontier.

The area organises around a small number of recurring axes: scope (what biological scales the work spans), method (the dominant experimental or computational tools), data regime (what kinds of measurements are now routine vs. still frontier), and open questions (what the field cannot yet do reliably). The sources below cover different combinations of these axes.

Foundational references

Phillips, Physical Biology of the Cell is a standard reference for the foundations covered here, used across the field to anchor terminology, canonical models, and the relationships between sub-areas of biophysics. Treat it as the entry point to which the more specialised work below adds frontier detail.

Bialek, Biophysics: Searching for Principles is a standard reference for the foundations covered here, used across the field to anchor terminology, canonical models, and the relationships between sub-areas of biophysics. Treat it as the entry point to which the more specialised work below adds frontier detail.

Open questions

Open questions in biophysics cluster around scaling current methods to larger systems, integrating measurements across modalities, and producing predictive rather than descriptive models. The references above mark the work that the next iteration of this page should engage with in more specific detail.

Prerequisites

Sources

  • textbook · primary · 2013
    Physical Biology of the Cell
    phillips-rob-2013, kondev-2013, theriot-2013, garcia-hernan-2013
  • textbook · primary · 2012
    Biophysics: Searching for Principles
    bialek-2012

In context

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Explore

  1. 01

    Molecular Dynamics of Biomolecules

    All-atom and coarse-grained simulations of proteins, nucleic acids, and membranes.

  2. 02

    Protein Folding Dynamics

    Folding landscapes, kinetics, and the physics of native-state stability.

  3. 03

    Mechanobiology

    How cells sense and respond to mechanical forces.

  4. 04

    Biological Active Matter

    Cytoskeletal and tissue-scale active matter — collective dynamics in living systems.

  5. 05

    Bioelectricity and Bioelectromagnetism

    Endogenous electric fields, ion fluxes, and developmental bioelectric signaling.


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