suspension de germes à 40% de lumière transmise à 550 nm.

English translation: bacterial cell suspension is diluted...to achieve/obtain an OD=0.4 at 550 nm

15:27 Dec 11, 2006
French to English translations [Non-PRO]
Science - Biology (-tech,-chem,micro-)
French term or phrase: suspension de germes à 40% de lumière transmise à 550 nm.
This is in a pharmaceutical manufacturer's file to request approval for its product. There is a page on assays with a lot of lab terms.
The complete sentence is:
Au moment de l'emploi la préculture est diluée en milieu X afin d'obtenir une suspension de germes à 40% de lumière transmise à 550 nm.

I have no idea what this means and would be very grateful if anyone has an explanation and/or translation!
julia
English translation:bacterial cell suspension is diluted...to achieve/obtain an OD=0.4 at 550 nm
Explanation:
The preculture (?) is diluted with X medium (buffer) to achieve/obtain a bacterial cell suspension at OD [550 nm] = 0.4

Depends upon the context and the essay:-)
Selected response from:

cocotier
Local time: 04:23
Grading comment
Merci pour l'explication. Ca m'a été d'une aide précieuse!!
4 KudoZ points were awarded for this answer



Summary of answers provided
3 +1bacterial cell suspension is diluted...to achieve/obtain an OD=0.4 at 550 nm
cocotier
2a 40% suspension of germs in light transmitted at 550 nm
Karen Tkaczyk


Discussion entries: 2





  

Answers


37 mins   confidence: Answerer confidence 2/5Answerer confidence 2/5
a 40% suspension of germs in light transmitted at 550 nm


Explanation:
This sounds like a spectrophotometry test. Not my field, so this is just an off the top of my head effort. If you google 'germs' with 'light transmitted' or 'transmitted light' you should get more background information.

Karen Tkaczyk
United States
Local time: 20:23
Works in field
Native speaker of: English
PRO pts in category: 24
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4 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
bacterial cell suspension is diluted...to achieve/obtain an OD=0.4 at 550 nm


Explanation:
The preculture (?) is diluted with X medium (buffer) to achieve/obtain a bacterial cell suspension at OD [550 nm] = 0.4

Depends upon the context and the essay:-)

cocotier
Local time: 04:23
Specializes in field
Native speaker of: Native in FrenchFrench
Grading comment
Merci pour l'explication. Ca m'a été d'une aide précieuse!!

Peer comments on this answer (and responses from the answerer)
agree  Drmanu49
3 days 3 hrs
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