DocumentCode
2582302
Title
A method for liquid cryogen level measurement in cryopreservation containers
Author
Keskin, Ali Ümit ; Koyuncu, Cihat
Author_Institution
Biyomed. Muhendisligi Bolumu, Yeditepe Univ., Istanbul, Turkey
fYear
2010
fDate
21-24 April 2010
Firstpage
1
Lastpage
3
Abstract
A simple liquid sensing and measurement system for determining the level of cryogen in a tissue cryopreservation container is described. Liquid-gas boundary determination is made by detecting a thermal transient of the series-connected light emitting diodes. An electronic control and display unit located on the outer wall of the container indicates the level of cryogenic liquid, and alarms the operator if it reaches a pre-determined critical level.
Keywords
biomedical engineering; containers; cryogenics; level measurement; light emitting diodes; LED; cryogen level determination; cryopreservation containers; light emitting diodes; liquid cryogen level measurement method; liquid measurement system; liquid sensing system; liquid-gas boundary determination; thermal transient; tissue cryopreservation container; Containers; Cryogenics; Displays; Level measurement; Light emitting diodes;
fLanguage
English
Publisher
ieee
Conference_Titel
Biomedical Engineering Meeting (BIYOMUT), 2010 15th National
Conference_Location
Antalya
Print_ISBN
978-1-4244-6380-0
Type
conf
DOI
10.1109/BIYOMUT.2010.5479866
Filename
5479866
Link To Document