# Physics of Biological Systems

- Institution: IIT Bombay
- Department: Physics
- Teacher: Prof. Mithun Mitra
- Level: Undergraduate
- Language: English
- Subjects: Physics
- Source: [NPTEL](https://nptel.ac.in/courses/115101121)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/115101121)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lecture 1: Introduction](https://invisiblenetwork.ai/learn/nptel/115101121/984ea5edfbe5) (Video)
2. [Lecture 2: DNA packing and structure](https://invisiblenetwork.ai/learn/nptel/115101121/fcc377734648) (Video)
3. [Lecture 3: Shape and function](https://invisiblenetwork.ai/learn/nptel/115101121/ed84d273ac64) (Video)
4. [Lecture 4: Numbers and sizes](https://invisiblenetwork.ai/learn/nptel/115101121/a2e44cc5681e) (Video)
5. [Lecture 5: Spatial scales and System variation](https://invisiblenetwork.ai/learn/nptel/115101121/bbae9e241f4d) (Video)
6. [Lecture 6: Timescales in Biology](https://invisiblenetwork.ai/learn/nptel/115101121/edaa84754bef) (Video)
7. [Lecture 7: Random walks and Passive diffusion](https://invisiblenetwork.ai/learn/nptel/115101121/450fa8a1fae8) (Video)
8. [Lecture 8: Random walks to model Biology](https://invisiblenetwork.ai/learn/nptel/115101121/735e6635d471) (Video)
9. [Lecture 9: Derivation of FRAP equations](https://invisiblenetwork.ai/learn/nptel/115101121/f55bb3f178ce) (Video)
10. [Lecture 10: Drift-diffusion equations](https://invisiblenetwork.ai/learn/nptel/115101121/76765aa47fdc) (Video)
11. [Lecture 11: Solutions of the drift-diffusion equations](https://invisiblenetwork.ai/learn/nptel/115101121/3617212c9c8a) (Video)
12. [Lecture 12: The cell signaling problem](https://invisiblenetwork.ai/learn/nptel/115101121/3cfedbe1c82d) (Video)
13. [Lecture 13: Cell Signalling and Capture Probability of absorbing sphere](https://invisiblenetwork.ai/learn/nptel/115101121/6ee688e687ba) (Video)
14. [Lecture 14: Capture probability of reflecting sphere](https://invisiblenetwork.ai/learn/nptel/115101121/4203dd48767e) (Video)
15. [Lecture 15: Mean capture time](https://invisiblenetwork.ai/learn/nptel/115101121/56541ad754d2) (Video)
16. [Lecture 16: Introduction to fluids, viscosity and reynolds number](https://invisiblenetwork.ai/learn/nptel/115101121/1c24dbd51a6f) (Video)
17. [Lecture 17: Introduction to the navier stokes equation](https://invisiblenetwork.ai/learn/nptel/115101121/89d654f98f72) (Video)
18. [Lecture 18: Understanding reynolds number](https://invisiblenetwork.ai/learn/nptel/115101121/3001eb7205bd) (Video)
19. [Lecture 19: Life at low reynolds number](https://invisiblenetwork.ai/learn/nptel/115101121/a97528ebe97b) (Video)
20. [Lecture 20: Various phenomena at low reynolds number](https://invisiblenetwork.ai/learn/nptel/115101121/599fd0aa07d1) (Video)
21. [Lecture 21: Bacterial flagellar motion](https://invisiblenetwork.ai/learn/nptel/115101121/9d08287e647b) (Video)
22. [Lecture 22: Rotating flagellum](https://invisiblenetwork.ai/learn/nptel/115101121/169f56f65809) (Video)
23. [Lecture 23: Energy and equilibrium](https://invisiblenetwork.ai/learn/nptel/115101121/a95cc13fdf7f) (Video)
24. [Lecture 24: Binding problems](https://invisiblenetwork.ai/learn/nptel/115101121/92005f667283) (Video)
25. [Lecture 25: Transcription and translation](https://invisiblenetwork.ai/learn/nptel/115101121/6cf40b35cb99) (Video)
26. [Lecture 26: Internal states of macromolecules](https://invisiblenetwork.ai/learn/nptel/115101121/74153f3ffb43) (Video)
27. [Lecture 27: Protein modification problem](https://invisiblenetwork.ai/learn/nptel/115101121/1994b03e2c0a) (Video)
28. [Lecture 28: Haemoglobin-Oxygen binding problem](https://invisiblenetwork.ai/learn/nptel/115101121/bf3a899f5c40) (Video)
29. [Lecture 29: Freely jointed polymer model](https://invisiblenetwork.ai/learn/nptel/115101121/29d1deb9fe30) (Video)
30. [Lecture 30: Entropic springs and persistence length](https://invisiblenetwork.ai/learn/nptel/115101121/143968c66468) (Video)
31. [Lecture 31: Freely rotating chain model and radius of gyration](https://invisiblenetwork.ai/learn/nptel/115101121/79e3124c9ccd) (Video)
32. [Lecture 32: The hierarchical chromatin packing model](https://invisiblenetwork.ai/learn/nptel/115101121/f6c6803b2659) (Video)
33. [Lecture 33: FISH & DNA looping](https://invisiblenetwork.ai/learn/nptel/115101121/8174cbd1a649) (Video)
34. [Lecture 34: Nucleosomes as barriers, Hi-C, and contact probabilities](https://invisiblenetwork.ai/learn/nptel/115101121/02b08ea37750) (Video)
35. [Lecture 35: Deriving the full force extension curve](https://invisiblenetwork.ai/learn/nptel/115101121/b2d305566cd6) (Video)
36. [Lecture 36: Random walk models for proteins](https://invisiblenetwork.ai/learn/nptel/115101121/3122dffb1881) (Video)
37. [Lecture 37: Hydrophobic polar protein model](https://invisiblenetwork.ai/learn/nptel/115101121/e9ab3b0bb21a) (Video)
38. [Lecture 38: Diffusion in crowded environments](https://invisiblenetwork.ai/learn/nptel/115101121/0245f9498dcd) (Video)
39. [Lecture 39: Depletion interactions](https://invisiblenetwork.ai/learn/nptel/115101121/db8c36d0f427) (Video)
40. [Lecture 40: Examples & implications of depletion interactions](https://invisiblenetwork.ai/learn/nptel/115101121/d77067fed7f1) (Video)
41. [Lecture 41: Introduction to Biological dynamics](https://invisiblenetwork.ai/learn/nptel/115101121/fad194aa34a9) (Video)
42. [Lecture 42: Introduction to rate equations](https://invisiblenetwork.ai/learn/nptel/115101121/3b1155127a3f) (Video)
43. [Lecture 43: Separation of timescales in enzyme kinetics](https://invisiblenetwork.ai/learn/nptel/115101121/be9cbe00f806) (Video)
44. [Lecture 44: Structure and treadmilling of actins and microtubules](https://invisiblenetwork.ai/learn/nptel/115101121/b4ee999a2882) (Video)
45. [Lecture 45: Average length of polymers in equilibrium](https://invisiblenetwork.ai/learn/nptel/115101121/e1024b404d54) (Video)
46. [Lecture 46: Growth rate of polymers](https://invisiblenetwork.ai/learn/nptel/115101121/8d99828070c3) (Video)
47. [Lecture 47: Dynamic treadmilling in microtubules](https://invisiblenetwork.ai/learn/nptel/115101121/7217b12e9d23) (Video)
48. [Lecture 48: Introduction to molecular motors](https://invisiblenetwork.ai/learn/nptel/115101121/826f022cdccb) (Video)
49. [Lecture 49: Force generation by molecular motors](https://invisiblenetwork.ai/learn/nptel/115101121/d44a649c649b) (Video)
50. [Lecture 50: Models of motor motion](https://invisiblenetwork.ai/learn/nptel/115101121/1b3f195b2077) (Video)
51. [Lecture 51: molecular motors](https://invisiblenetwork.ai/learn/nptel/115101121/0c9fd25761a7) (Video)
52. [Lecture 52: Free energies of motor for stepping](https://invisiblenetwork.ai/learn/nptel/115101121/fa154a908e4e) (Video)
53. [Lecture 53: Two state models](https://invisiblenetwork.ai/learn/nptel/115101121/cd32441ffb90) (Video)
54. [Lecture 54: cooperative transport of cargo](https://invisiblenetwork.ai/learn/nptel/115101121/88e0691a524d) (Video)
55. [Lecture 55: Cytoskeleton as a motor](https://invisiblenetwork.ai/learn/nptel/115101121/d73ce63a3239) (Video)
56. [Lecture 56: translocation ratchet](https://invisiblenetwork.ai/learn/nptel/115101121/05cc8e5fb0c8) (Video)
57. [Lecture 57: Spatial pattern in biology](https://invisiblenetwork.ai/learn/nptel/115101121/ca8b166ae881) (Video)
58. [Lecture 58: Some common spatial patterns in biology](https://invisiblenetwork.ai/learn/nptel/115101121/f9bfda68e7b0) (Video)
59. [Lecture 59: reaction diffusion and spatial pattern](https://invisiblenetwork.ai/learn/nptel/115101121/d78afa6e4ed2) (Video)
60. [Lecture 60: Pattern formation in reaction diffusion system with stability](https://invisiblenetwork.ai/learn/nptel/115101121/29f90f822863) (Video)
61. [Lecture 61: Condition for destablization in pattern formation](https://invisiblenetwork.ai/learn/nptel/115101121/32527c39a4be) (Video)
62. [Lecture 62: Schnakenberg kinetics](https://invisiblenetwork.ai/learn/nptel/115101121/9b4d4c3c9f37) (Video)
63. [Live Session 08-02-2021](https://invisiblenetwork.ai/learn/nptel/115101121/984ea5edfbe5-2) (Video)
64. [Live Session 18-03-2021](https://invisiblenetwork.ai/learn/nptel/115101121/fcc377734648-2) (Video)
65. [Live Session 20-02-2020](https://invisiblenetwork.ai/learn/nptel/115101121/ed84d273ac64-2) (Video)