Can someone explain why my A260/A280 ratio is lower than 1?

We are conducting a measurement of Ribonucleic acid from baker's yeast (S. cerevisiae) (Sigma-Aldrich R6750) concentration using Eon Biotek Microplate reader. We dilute the RNA in various...

24 January 2021 9,830 3 View

Can we do electrophoresis of RNA from baker's yeast by vertical electrophoresis (using acrylamide gels)?

I want to do an electrophoresis of RNA from baker's yeast. However, our lab only has a vertical electrophoresis, while usually electrophoresis of nucleic acid (RNA or DNA) use horizontal...

29 November 2020 7,938 5 View

Difference between Schmid factor of perfect, trailing, and leading partials?

25 January 2017 3,347 2 View

Does anyone have experience with modelling Delamination?

17 August 2014 2,359 7 View

The field of emotion regulation

What are the latest topics in emotion regulation?

01 January 1970 4,215 3 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Which reagent is best among 'Dimethylglyoxime" and "Dithiothreitol" for spectroscopic determination of Nickel ?

What I think is Dithiothreitol. As it is water-soluble and does not form a precipitate. But, the thing is it contains sulphur which is quite hazardous to aquatic animals.

01 March 2021 8,374 4 View

What should be the current and voltage for nickel coating of around 15 micron for steel specimen and also the bath composition?

I need the complete setup information.

21 January 2021 6,455 4 View

Is there any books or journal that specifically discussed TPR in detail?

I am designing a metal oxide catalyst and among many characterization of this sample, TPR emerges quite significantly. The brief explanation in journal is limited to the sample that is...

21 January 2021 6,346 1 View

How cane capture of Cl, K , Na, in the process of biomass gasification, I want to let these elements enter the solid slag phase but not enter the gas?

I want to fixation Cl, K, Na in gasification slag, which type of catalyst can be used?

13 January 2021 2,145 2 View

How can I produce Alpha-monopropionin and Alpha-monobutyrin in lab scale?

I understand that glycerol should be reacted with propaoiocic acid to produce monopropionin and with butyric acid to produce monobutyrin , if you can help with the reaction conditions based on 1...

13 January 2021 1,151 4 View

How to calculate the concentration for as prepared nanomaterials?

if we are taking 2 materials of different concentrations (one is the precursor and the other one is the stabilizing agent) for synthesizing nanoparticles as a catalyst, how can I calculate the...

08 January 2021 516 4 View

How are nickel based super alloyed turbine discs produced with powder metallurgy?

I am researching this subject for my Powder Metallurgy class. I couldn't find a solid information on production steps.

29 December 2020 5,503 3 View