Design of Rapid Cooling Ejection Device for Biological Samples

Yinghao Xiong ； Fuyu Gong

《International Core Journal of Engineering》 6卷12期 (2020/12) Pp. 145-149

https://doi.org/10.6919/ICJE.202012_6(12).0022

摘要

A test bench for ultra-fast cooling of biological samples in ultra-low temperature cooling medium is designed. In order to systematically study the dynamic process of small biological samples at the microscopic scale, through the triggering control of the catapult, the small samples are ejected into the cryogenic liquid nitrogen at a very high initial velocity, so that the ejection of small samples can be carried out infinitely. Speed regulation. The spring-loaded catapult uses collision contact to eject a small sample carrier into the supercooled liquid nitrogen at a certain initial speed, and conducts motion simulation and data analysis on the test device.

關鍵字

Rapid cooling ； Catapult ； Cryogenic liquid nitrogen ； Stepless speed regulation

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