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Results tagged with lab-techniques
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user 56477
Questions relating to protocols, procedures, and good practice when using laboratory equipment.
5
votes
Are bleach solutions still routinely used in biochemistry laboratories to rid surfaces of ba...
I was associated with a lab in 2015 that used a lot of Streptococcus pneumoniae. They had ethanol squirt bottles to clean certain surfaces and in case of a spill. This was intended to kill that bacter …
- 2,941
1
vote
How does the choice of blood draw site influence the possible specificity of a serological t...
This ref, https://academic.oup.com/ajcp/article/144/6/885/1761216
show that drops of finger prick blood vary more than venous blood.
The main reason for using venous blood is licensing. A test is lic …
- 2,941
1
vote
How pricey does the media need to be for a typical bacterial culture experiment?
This answer only concerns Streptococcus pneumoniae.
The lab I worked in used cheap ingredients, the same as everyone else claimed to in this field.
The only shocking thing I found was that the steril …
- 2,941
1
vote
Reliable recipe to make DIY yeast slants
Yeast grows very well in liquid. The initial innoculum from the store will visible grow (“prove”) in warm water with a little sugar.
- 2,941
1
vote
How should I measure the oxygen dispersed during photosynthesis in pondweeds?
Bubble formation might be easier to measure than oxygen concentration. Bubbles can be measured optically Or acoustically.
A sealed container with a little carbon dioxide gas might work.
See below arti …
- 2,941