baffled flasks duran
DESCRIPTION
Chicanekolven van Duran, natuurlijk verkrijgbaar bij Boom B.V., wilt u weten waarom en wanneer u juist chicanekolven moet gebruiken? lees dan deze brochure, vragen? neem contact op met een van onze collega'sTRANSCRIPT
Why use baffled flasks?
● Due to limited oxygen transfer, cell growth is restricted in standard Erlenmeyer flasks
● Larger surface of the content results in a higher possible oxygen intake due to increased gas exchange area
● Baffled flasks
– interrupt the laminar flow to create a turbulent flow
– increase the surface of the liquid and the gas exchange surface
– produce a higher oxygen transfer compared to standard Erlenmeyer flasks
Benefits of DURAN® baffled flasks
● completely automated machine manufacturing
= reproducible geometry
= comparable results
● complete with membrane screw cap (reproducible gas exchange)
● with retrace code (batch certificate via Internet)
Comparison of the produced microbial mass (experiment with E.coli bacteria):
DURAN® BAFFLED FLASKS
DURAN® Erlenmeyer flask
DURAN® baffled flask
0
0.5
1
1.5
2
2.5
3
3.5
Mic
robi
al M
ass
(g/L
)
DURAN Group GmbH • Hattenbergstrasse 10 • D-55122 Mainz • [email protected] • www.duran-group.com
AP
PR
OX
.V
OL
.
200
300
400
500
Made in Germany
500 ml
Retrace Code00000000
NARUD
OHCS
200
300
400
500
Made in Germany
500 ml
Retrace Code00000000
NARUD
OHCS±5%
Movement of fluid on an orbital shaker:
Cat. No. Description Pack/Quantity
21 283 36 5 DURAN® baffled flask, GL 45, with 4 bottom baffles, complete with membrane screw cap and pouring ring, PP, 250 ml
4
21 283 44 5 DURAN® baffled flask, GL 45, with 4 bottom baffles, complete with membrane screw cap and pouring ring, PP, 500 ml
4
Order information:
When cultivating microorganisms in Erlenmeyer flasks on an orbital shaker, the oxygen intake is frequently the limiting factor for cell growth. The DURAN® Erlenmeyer flask with four baffles on the bottom interrupts the laminar flow to create a turbulent flow. The surface of the liquid and the gas exchange surface is increased, so that the oxygen intake can be increased.
DURAN® Erlenmeyer flask DURAN® baffled flask
DURAN Group GmbH • Hattenbergstrasse 10 • D-55122 Mainz • [email protected] • www.duran-group.com
You can obtain these products from your specialist laboratory ware dealer.