Will Oil Prices Ever Recover back to $65/bl ?

Oil prices have waxed and waned following COVID-19, but supply pressures and compliance from OPEC member countries have provided a much-needed balance int he last decade. With the U.S. becoming...

09 October 2020 479 2 View

What kind of coupling agent should I use to improve the interface between PLA and glass fibers ?

Do I need to use a coupling agent when mixing PLAwith short glass fibers ? If yes, hat kind of coupling agent should I use to improve the interface between PLA and glass fibers ? Thanks

12 November 2018 2,677 5 View

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19 August 2018 1,522 1 View

Which buffer should I use for resuspension and storage of yeast TK ?

Can you suggest an optimal buffer (pH, ions, cryoprotectants) for resuspension and storage of pure Saccharomyces cerevisiae transketolase (TK) commercial lyophilized powder ?

19 April 2017 8,872 2 View

COVID 19 :mRNA vaccines. and autoimmune phenomena/diseases.

BACKGROUND. I am not a molecular biology expert. I am a retired rheumatologist who dealt with autoantibodies and autoimmune diseases. Rheumatology has been caught up in COVID-19 business via...

01 January 1970 5,133 10 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

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View