Janet B. Matsen:Open Lab Questions: Difference between revisions
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==Open Questions== | ==Open Questions== | ||
=== For biochemical assays, are sodium phosphate and potassium phosphate buffers equivalent? 2013/05/24=== | |||
Are there reasons why it would matter whether sodium or potassium is in solution? I tried to research this question online and haven't found anything. I did learn [[Lidstrom:Buffers#General_Info|this]] | |||
=== Why does the DNA clump when you run overloaded agarose gels? (2012/10/02) === | |||
[[image:janet purification gel.jpg|thumb|center|polka-dot DNA in a 0.7% agarose gel]] | |||
* | ===Why do apples make people burp? === | ||
** | * (posted 5/23/2012) | ||
** I have been wondering this for years. | |||
== Old/Now uninteresting == | |||
=== What is the difference between Bacto yeast extract & Difco yeast extract? === | |||
I e-mailed BD on 2012/03/01 and asked "What is the difference between Difco Yeast Extract and Bacto Yeast Extract? I only see Difco Yeast Extract UF in this: http://www.bd.com/ds/technicalCenter/misc/br_3_2547.pdf so it is hard to compare. I have an old bottle of Difco Yeast extract that is not UF and I wonder if it can be substituted for Bacto Yeast extract. It is also old (1999) -- does it go bad?" |
Latest revision as of 15:23, 23 May 2015
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These questions are "open" to me, not necessarily the scientific community. If you have insights or can point me toward references relevant to them, please do!
Open Questions
For biochemical assays, are sodium phosphate and potassium phosphate buffers equivalent? 2013/05/24
Are there reasons why it would matter whether sodium or potassium is in solution? I tried to research this question online and haven't found anything. I did learn this
Why does the DNA clump when you run overloaded agarose gels? (2012/10/02)
Why do apples make people burp?
- (posted 5/23/2012)
- I have been wondering this for years.
Old/Now uninteresting
What is the difference between Bacto yeast extract & Difco yeast extract?
I e-mailed BD on 2012/03/01 and asked "What is the difference between Difco Yeast Extract and Bacto Yeast Extract? I only see Difco Yeast Extract UF in this: http://www.bd.com/ds/technicalCenter/misc/br_3_2547.pdf so it is hard to compare. I have an old bottle of Difco Yeast extract that is not UF and I wonder if it can be substituted for Bacto Yeast extract. It is also old (1999) -- does it go bad?"