Can an Antarctic fish do blood doping? Learn how a centrifuge helped answer that question - and learn practical tips for how to use a centrifuge! This video focuses on how to use a microcentrifuge, but the principles apply to large centrifuges as well.
0:00 Introduction
0:17 What does a centrifuge do?
0:58 Scientists used a centrifuge to study blood doping in fish
1:34 How do you use a centrifuge?
1:49 WARNING Make sure the tubes are balanced
2:27 Pro-Tip: There are several ways to balance tubes in a centrifuge
3:03 Pellet and supernatant
3:21 Pro-Tip: Orient the hinges of the tubes outward
3:45 Questions you can answer with centrifuges
The Antarctic Fish research story is based on this paper:
J. Brijs, M. Axelsson, M. Rosengren, F. Jutfelt, A. Gräns, Extreme blood-boosting capacity of an Antarctic fish represents an adaptation to life in a sub-zero environment. The Journal of Experimental Biology 223, jeb218164 (2020). doi.org/10.1242/jeb.218164
Cartoon Illustrations by Michelle Lotker
Scientific consultation by Ashley Lakoduk
Images by:
Blood into capillary tube by Marek M - CC-BY SA 3.0
Hematocrit in capillary tube by PookieFugglestein - Public Domain
Centrifuge tubes by Kathy Zarilla with permission
Handyfuge video with permission from Manu Prakash
Learn more about the Handyfuge hand-powered centrifuge and efforts to bring electricity-free Coronavirus testing to resource limited areas:
web.stanford.edu/group/prakash...
github.com/ethanjli/handyfuge
This video is copyright Jayme Dyer, published under the Creative Commons CC-BY SA 4.0 license.
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1 июл 2024
