# Interfacial Engineering

- Institution: IIT Ropar
- Department: Chemical Engineering
- Teacher: Prof. Manigandan
- Level: Undergraduate
- Language: English
- Subjects: Chemistry, Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/103106570)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/103106570)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Introduction to interfaces](https://invisiblenetwork.ai/learn/nptel/103106570/a4614a7bb2be) (Video)
2. [Importance of surface; Application of interfaces](https://invisiblenetwork.ai/learn/nptel/103106570/83a7e4f29aa6) (Video)
3. [Basics of classical and emerging tools](https://invisiblenetwork.ai/learn/nptel/103106570/600ffbd9ac64) (Video)
4. [Concepts of capillarity and surface tension (ST) and measurement of ST and contact angle](https://invisiblenetwork.ai/learn/nptel/103106570/41a353be454a) (Video)
5. [Overview of various surface tension measurement techniques](https://invisiblenetwork.ai/learn/nptel/103106570/5138bda9da2e) (Video)
6. [Young-Dupre equation; Tutorial](https://invisiblenetwork.ai/learn/nptel/103106570/9263449048d4) (Video)
7. [Young-Laplace equation; Tutorial](https://invisiblenetwork.ai/learn/nptel/103106570/4a9573ee0e04) (Video)
8. [Kelvin equation; Tutorial](https://invisiblenetwork.ai/learn/nptel/103106570/194c57519864) (Video)
9. [Contact angle for ideal and non-ideal cases; Application of Young-Dupre](https://invisiblenetwork.ai/learn/nptel/103106570/63752c059b65) (Video)
10. [Measurement of contact angle of surfaces at fluid-fluid interfaces](https://invisiblenetwork.ai/learn/nptel/103106570/9a7d8fa61969) (Video)
11. [Washburn approach; Tutorial](https://invisiblenetwork.ai/learn/nptel/103106570/1daa05e31483) (Video)
12. [Work of cohesion, adhesion, and spreading coefficient](https://invisiblenetwork.ai/learn/nptel/103106570/8305c50741a4) (Video)
13. [Girifalco-Good Fowkes equation; Tutorial](https://invisiblenetwork.ai/learn/nptel/103106570/114adab8a497) (Video)
14. [Demonstration of force tensiometer](https://invisiblenetwork.ai/learn/nptel/103106570/3004541815da) (Video)
15. [Demonstration of optical tensiometer](https://invisiblenetwork.ai/learn/nptel/103106570/802482c45158) (Video)
16. [Shapes of micelles, critical micelle concentration (CMC); critical packing parameter (CPP)](https://invisiblenetwork.ai/learn/nptel/103106570/bc8cf3ad9dbd) (Video)
17. [Thermodynamic principles of self-assembly](https://invisiblenetwork.ai/learn/nptel/103106570/1c00d7c2a15e) (Video)
18. [Micellar-enhanced ultrafiltration (MEUF): A surfactant-based separation technique](https://invisiblenetwork.ai/learn/nptel/103106570/82e8f4e5d9a8) (Video)
19. [HLB guidelines; Debye plot](https://invisiblenetwork.ai/learn/nptel/103106570/3ef1473b80ee) (Video)
20. [Surface excess concepts and problem solving](https://invisiblenetwork.ai/learn/nptel/103106570/471c963fa93b) (Video)
21. [Gibbs adsorption isotherm equation](https://invisiblenetwork.ai/learn/nptel/103106570/db1e49b50dd8) (Video)
22. [Deposition of Langmuir Blodgett (LB) films;Adsorption from solution](https://invisiblenetwork.ai/learn/nptel/103106570/fe4722b117f7) (Video)
23. [Demonstration of double barrier LB deposition technique](https://invisiblenetwork.ai/learn/nptel/103106570/ecffbb5a98fc) (Video)
24. [Emulsion and microemulsion; Application of microemulsion](https://invisiblenetwork.ai/learn/nptel/103106570/290737c81ac2) (Video)
25. [Demonstration of emulsification using several emulsifying devices](https://invisiblenetwork.ai/learn/nptel/103106570/8efbb1d8b449) (Video)
26. [Demonstration of particle size analyzer](https://invisiblenetwork.ai/learn/nptel/103106570/680c3c37ddec) (Video)
27. [Demonstration of particle/droplet tracking using an inverted microscope](https://invisiblenetwork.ai/learn/nptel/103106570/d1d900fbaf35) (Video)
28. [Introduction to colloids](https://invisiblenetwork.ai/learn/nptel/103106570/0b86b4aca924) (Video)
29. [Understanding Intermolecular forces](https://invisiblenetwork.ai/learn/nptel/103106570/1222056d3b33) (Video)
30. [van der Waals force](https://invisiblenetwork.ai/learn/nptel/103106570/e04ed113ab3e) (Video)
31. [Lifshitz approach](https://invisiblenetwork.ai/learn/nptel/103106570/f24cc8a9ff5d) (Video)
32. [Electrical double layer (EDL) interaction (Helmholtz)](https://invisiblenetwork.ai/learn/nptel/103106570/132e04df3f6c) (Video)
33. [Gouy-Chapman EDL Model](https://invisiblenetwork.ai/learn/nptel/103106570/3495069f3502) (Video)
34. [Gouy-Chapman-Stern EDL model](https://invisiblenetwork.ai/learn/nptel/103106570/88d626a0d325) (Video)
35. [Overlapping double layer interaction](https://invisiblenetwork.ai/learn/nptel/103106570/14103e482f34) (Video)
36. [Derjaguin approximation; DLVO forces of interactions](https://invisiblenetwork.ai/learn/nptel/103106570/14ed4f6ef750) (Video)
37. [Force-measuring techniques: Direct and indirect measurements](https://invisiblenetwork.ai/learn/nptel/103106570/42b67d4989ab) (Video)
38. [Steric (Polymer-mediated) forces](https://invisiblenetwork.ai/learn/nptel/103106570/ed58deccec63) (Video)
39. [Electrokinetic phenomena](https://invisiblenetwork.ai/learn/nptel/103106570/3288379723f5) (Video)
40. [Demonstration of zeta potential measurements](https://invisiblenetwork.ai/learn/nptel/103106570/49104cd9374a) (Video)