How does the nano fiber diameter decrease while loading of MWCNT in ABS polymer solution during electrospinning ?

I have electrospun pure ABS solution and measured the diameter and it was measured as 500s nm averagely. But surprisingly the fiber diameter decreases to 100s nm averagely while loading of MWCNT....

08 September 2018 2,628 1 View

Can we check molecular weight of the sample in Malvern Nano ZS series ?

we have light scattering instrument of Malvern Nano ZS series. I need to do a studies on change in Molecular weight of the sample. But im unable to perform it. I have seen a drop down menu in the...

05 June 2018 7,736 0 View

Unknown RI and Absorption Coeff of the material in DLS for size distribution ?

We have Malvern DLS Zetasizer instrument in our lab. I need to determine the size analysis by DLS method. I need to input the properties like RI and absorption Coeff of the material. Is there any...

09 October 2017 2,596 0 View

What are the major following steps to follow for purification of waste cooking oil for transesterification ?

I have collected some waste cooking oil from hotels and it contains lots of left over fried items and loaded with carbon (black soot). I have to use it for my research work but finding hard in...

08 September 2017 6,210 0 View

How does a layer structure material enhances in catalytic properties of the material ?

After a novel synthesis method of a compound, I have found it as layered structure when I observed in SEM. This material was not having the layer structure before synthesizing it with the novel...

07 August 2017 5,058 5 View

Which method is good for doping among this two methods ? 1. wet impregnation and 2. Hydrothermal or solvothermal process.

I'm trying to impregnate the nanoparticles in micron size powder. Firstly I was trying with wet impregnation method. I guess the proper doping is not happening. Will hydrothermal or solvothermal...

05 June 2017 3,766 0 View

Why does the magnetic property is losing while keeping the sample (Fe3O4) for calcination 500-900 degree Celcius?

i have synthesised magnetic material Fe3O4 by co-ppt method. Before calcination, the magnetic property was showing but after calcination above 500 degree C , the magnetic property is losing....

01 February 2017 5,302 6 View

What is the best method to coat Cerium Zirconium oxide on copper tube ?

I'm trying to coat the Cerium Zirconium oxide NPs on copper tube. I have tried brush coating and dipped coating but its not sticking on the copper tube. Any suggestion for better coating, Please...

31 December 2016 9,019 1 View

Can i get the top rated journals list with high impact factor from nano catalyst for the biodiesel transestrification process ?

31 December 2016 6,339 1 View

Did anyone has reported the eggshell SEM image in flower like structure ?

if anyone here read the paper about eggshell and reported the SEM image as flower-like structure then please let me know the name of the paper.

31 December 2016 7,772 0 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 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

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View