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Ultrasonic cleaner substituting a centrifuge in function
Unionised is not quite correct on this (although for almost all practical purposes is) :
If a sol ... |
20-10-2020 at 22:27
by: Harristotle |
Ferric ammonium citrate synth failed
Check you are using ferricyanide and not ferrocyanide.
Check that you are using amonium ferric citr ... |
14-8-2020 at 03:02
by: Harristotle |
Resonance between reagents?
Well DNA is somewhat conductive due to orbital overlap of delocalised electrons in the stacked rings ... |
22-7-2020 at 05:56
by: Harristotle |
Need Phosphate Buffered Saline
If you want to make, you need to achieve the following:
[PO[sub]4[/sub] -oids] = 11.8mmol/L
[Na[ ... |
13-7-2020 at 22:56
by: Harristotle |
Blowing 100k on science equipment
Hi j_sum1, this is the space that I work in.
I reckon a class set of colourimeters and pipettes a ... |
3-7-2020 at 05:34
by: Harristotle |
looking for biochemistry experiments i can do at home. need to spark a passion
[rquote=637731&tid=154849&author=ThoughtsIControl]Does anyone have good sources for microbia ... |
18-6-2020 at 04:43
by: Harristotle |
Sulphur candles
I have made sulfur candles for treating a hive after it had wax moth.
I melted sulfur (Gardening) ... |
1-3-2020 at 05:30
by: Harristotle |
My daughter is breeding flies - and the smell is awful! Help!
So, the off smells are likely to be cadaverine or putrescine, aliphatic amines.
A broad area dish ... |
1-3-2020 at 05:20
by: Harristotle |
looking for biochemistry experiments i can do at home. need to spark a passion
I reckon there is a lot of possibility for novel microbial fuel cell designs.
In particular, stan ... |
10-2-2020 at 05:19
by: Harristotle |
Magpie has died
He had a mixture of intellect, generosity, and openness. Magpie reminded me of the best of twentieth ... |
14-12-2019 at 05:49
by: Harristotle |
Invitation to Participate in a Research Study
Caution -yes.
Also an opportunity to engage with outside our community.
The uni credentials seem p ... |
10-12-2019 at 05:05
by: Harristotle |
distilled water for diy ph calibration solution ?
potassium hydrogen tartrate is a NIST primary pH standard.
Buy yourself some cream of tartar, mix ... |
1-4-2019 at 05:43
by: Harristotle |
Culturing of a red flourecent bacteria/algae
Chlorophyll glows red under uv light. Try pointing a 405nm uv laser at a plant, or better, an alga. ... |
8-3-2019 at 07:04
by: Harristotle |
New element in the collection: Zr
Ubya, it depend how much of the "trace" of Zr 93 is present. That has a half life of 1.5 million yea ... |
29-10-2018 at 05:40
by: Harristotle |
New element in the collection: Zr
One of Zr isotopes is a beta emitter. You can buy zirconium welding rods, if I recall correctly.
... |
26-10-2018 at 04:52
by: Harristotle |
Preparation of magnesium silicate and/or activated alumina (and others) for chromatograpy
I used regular talcum powder, non-scented, purchased from a woodworking shop.
I gave it a wash in ... |
13-9-2018 at 04:22
by: Harristotle |
Paper Centrifuge
It peaks at 10s of thousands of RPM. It isn't continuous, by any stretch of the imagination.
But ... |
27-8-2018 at 02:47
by: Harristotle |
Paper Centrifuge
Further thought:
The DNA you isolated has lots of proteins associated with it.
Perhaps, once you ... |
27-8-2018 at 02:11
by: Harristotle |
Paper Centrifuge
Don't worry Sulaiman.
Mass is very low.
Tape 3 bits of velcro to the card you are spinning, and ... |
27-8-2018 at 02:04
by: Harristotle |
Cheap radioisotope sources
I'm not quite sure that I agree, Sulaiman.
One place I would really like to see looked at is bioa ... |
21-7-2018 at 03:32
by: Harristotle |
Silica doped paper chromatograhy
Thanks for this, it is a superb idea.
|
19-7-2018 at 05:37
by: Harristotle |
Is it possible to make a mammalian cell culture lab at home without breaking the bank? + 3 other questions
Hi. I used bicarbonate/citrate (ENO) in dishes to culture fish cells at low temperature, a long time ... |
5-7-2018 at 19:17
by: Harristotle |
Dung bitumen
I think that this is what you are looking at:
https://www.flickr.com/photos/centralaustralia/8419 ... |
4-6-2018 at 03:47
by: Harristotle |
Dung bitumen
You may also have come across an old Stick Nest rat nest (Leporillus conditor). They used to produce ... |
1-6-2018 at 17:19
by: Harristotle |
Recommendations for Geiger Counter or Scintillation Detector
Well, I wrote one for an arduino a long while ago.
I ran the arduino off a 9 volt battery, and ca ... |
17-5-2018 at 03:29
by: Harristotle |
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