06 April 2015 3 3K Report

Do you know some new articles about effectiveness of dynamic transport management systems in your country?

More Grzegorz Karoń's questions See All
Do you really know the second law of thermodynamics? Can you formulate it precisely? Do you think this is a fundamental principle?

All thermodynamics textbooks say that the Clausius formulation and the Kelvin formulation are equivalent to the entropic formulation - and this is proven. Meanwhile, there is only one proof...

16 November 2023 8,453 58 View

Which tweezers for piranha solution?

Hello, I am planning to work with acidic piranha solution made from sulphuric acid 98% and hydrogen peroxide 30% (volumetric ratio 3:7). I worked with this solution before, but this time I want...

24 May 2023 8,273 1 View

Ti6Al4V and Ti6Al7Nb PEO coatings don't conduct?

Hi, I recently did the plasma electrolytic oxidation coatings on Ti6Al4V and Ti6Al7Nb. When it comes to potentiodynamic tests - they're getting stuck because of the curve is below 0 current...

19 May 2023 1,165 4 View

Southern blotting - why is low-stringency wash used?

I have a question regarding the hybridisation step in Southern blotting. I understand that once the probes are added, the membrane is washed in buffer of increasing stringency to increase the...

17 November 2022 961 1 View

How to increase glycolysis/glycolytic capacity in vitro while using Seahorse XF?

Dear all I am performing the mitostress seahorse assay in aortic endothelial cells. I am looking for a good positive control that would increase the glycolysis/glycolytic capacity when I treat the...

11 October 2022 4,349 1 View

What are best positive and negative controls for glucose uptake experiment?

Hello, I'm trying to determine the amount of glucose consumption using 14C-labelled 2-DG. What would be the good controls to use in the experiment? For negative I planned to use low glucose...

23 August 2022 5,211 2 View

The refractive index of 8YSZ, La2Zr2O7 etc.?

Where I can find the refractive index of 8YSZ, La2Zr2O7, Gd2Zr2O, Sm2Zr2O7, Nd2Zr2O7 or other zirconates of rare earth elements?

11 August 2022 8,315 4 View

Does anyone have data how many total protein can I isolate from different tissues with Ripa buffer??

As above. Especially I'm iterested in fat, muscle, liver and PBMC cells.

27 February 2022 9,736 1 View

GC-MS analysis of essential oils composition - types of columns?

Is it possible to replace the Agilent HP-5MS 30m x 0.25mm x 0.25μm column with the TraceGOLD TG-5 SILMS 30m x 0.25mm x 0.25μm column in GC / MS analysis of essential oils?

31 January 2022 1,187 6 View

Are there any other solvents for PETN (pentaerythritol tetranitrate)...?

Which at the same time are much less miscible with water (than acetone or DMF)... Will be grateful for some quantitative data/references on that.

29 September 2021 3,611 2 View

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