14: Physical limits on plant size and their organs, 16.08.2017
Autor
Herausgeber
Beteiligtes Institut
Genre
Beschreibung
- 0:00:00 Start
- 0:01:52 Literature
- 0:01:55 Centennial of On Growth and Form by D'Arcy Thompson
- 0:02:44 Question: Why no wheels in nature?
- 0:03:31 Example: Why no wheels?
- 0:04:37 Question: What drives evolution in biological systems?
- 0:04:54 Energetics of Evolution
- 0:06:50 Example: Size of living organisms
- 0:07:29 Bacterial size limited by feeding strategy
- 0:11:12 Sugar transport
- 0:11:45 The leaf is an osmotic pump
- 0:12:42 First mathematical model
- 0:14:24 Later mathematical model
- 0:15:14 Phloem models are complex
- 0:15:54 Resistor model for phloem flow speed
- 0:18:09 Optimal design of an osmotic pump
- 0:22:04 Physical limits to leaf size
- 0:22:59 Theophrastus, 350 BC
- 0:26:22 The global spectrum of plant form and function
- 0:27:55 Resistor model for phloem flow speed
- 0:28:56 limits to leaf size
- 0:30:29 Upper limits to leaf size
- 0:31:07 Lower limits to leaf size
- 0:35:09 Can we engineer plants that produce more sugar?
- 0:36:09 Drawing ''blood'' from a plant
- 0:36:41 Plants treat fluorescein as sugar!
- 0:38:04 Confocal Microscope – Photobleaching
- 0:38:58 Microfluid model
- 0:39:58 Plant sugar concentration
- 0:41:23 Sugar flow in plants
- 0:42:38 Sugar mass flow
- 0:42:56 Plants are optimized for efficient transport
- 0:43:54 Crop plants have highest concentration
- 0:44:40 iPhloem 2017
Laufzeit (hh:mm:ss)
00:45:26
Serie
MICMoR Summer School 2017: Transport Phenomena and the Limits of Life in the Biosphere
Publiziert am
29.01.2018
Fachgebiet
Lizenz
| Auflösung | 1280 x 720 Pixel |
| Seitenverhältnis | 16:9 |
| Audiobitrate | 128000 bps |
| Audio Kanäle | 2 |
| Audio Codec | aac |
| Audio Abtastrate | 48000 Hz |
| Gesamtbitrate | 934041 bps |
| Farbraum | yuv420p |
| Container | mov,mp4,m4a,3gp,3g2,mj2 |
| Medientyp | video/mp4 |
| Dauer | 2726 s |
| Dateiname | DIVA-2018-119_hd.mp4 |
| Dateigröße | 318.233.381 byte |
| Bildwiederholfrequenz | 25 |
| Videobitrate | 799940 bps |
| Video Codec | h264 |
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MICMoR Summer School 2017: Transport Phenomena and the Limits of Life in the Biosphere
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