Methods for measuring N-mineralization in field sites/experiments?

A student is installing a field trial that we expect to largely impact soil moisture and temperature, and we simultaneously want to measure the secondary impacts on N-mineralization in the field....

26 March 2019 4,138 3 View

What can you tell me about an E.coli strain named Lemo21 from NEB?

I am currently trying to express human tyrosinase in E.coli and as you know this enzyme being a membrane protein it comes with a fair share of difficulties relating to expression in BL21(DE3)....

03 October 2018 6,996 3 View

Protein purification protocol?

Hello fellow scientists, here i have a bit of a seemingly demoralizing issue with protein purification. Could you please help? I have attached a commassie image for clarity. 10mM imidazole, 50 mM...

25 December 2017 3,853 4 View

Which is the best LC method of analyzing CMC-Na in a formulation?

Formulating a drug product that has to be filtered and wanted to know if there is an easier method to assess the amt of CMC-Na chromatographically.

21 August 2016 2,347 1 View

What is a good plant analytical laboratory to farm out analyses to?

11 May 2016 7,904 5 View

How different do languages need to be before they are considered separate? What is the "taxonomy" of languages?

I have zero experience in the field of linguistics, but a paper I am writing now calls for a brief paragraph about using languages as one defining characteristic of a different cultural group....

26 April 2014 1,240 13 View

Do you know any examples of indigenous language having a concept for "wilderness?"

Many of the thousands of indigenous languages in the world do not have a word for "wild" or any of its relatives -- wildness, wilderness, wilding, etc. -- in their vocabulary. Do you know any...

26 April 2014 7,411 20 View

Anyone interested in collaborating on a meta review of organic cropping systems?

I've been interested in bringing together any science that has been done on organic cropping systems. This would hopefully result in an understanding of overall biogeochemical cycling impacts of...

12 June 2013 2,621 6 View

Which is the most convenient manufacturing software for Additive Manufacturing?

Which tools can be used to generate machine codes for additive manufacturing?

02 March 2021 7,220 2 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How can we study the adsorption efficiency of microgel at the oil-water interface?

I am studing the mircogel at oil-water interface. I want to know the adsorb amount of microgel at the oil water interface. How we can determine this amount?. I will highly appreciate your...

19 February 2021 2,787 1 View