Narasimhan Ashwin Kumar

7 Questions 24 Answers 0 Followers

Questions related from Narasimhan Ashwin Kumar

How to determine the doping interaction with host material?

Hello, I am currently working in amorphous tantalum oxide (Ta2O5) nanoparticles doped with Ln3+ in this material. I want to see the interaction between these two materials after doping. What is...

03 March 2017 3,785 5 View

How to culture pancreatic stellate cells?

Hi.. We have tried to culture these cells with keratinocytes serum free media. We also coated the plate with collagen type IV. But the cells are not growing more than 2 days in the same plate....

03 March 2017 550 3 View

Can anyone suggest me some articles or methods to form metal oxide @ gold ?

I have prepared metal oxide nanoparticles using microemulsion with a avg size of 15nm. I would like to coat these nanoparticles with gold. I tried a simple method using citrate reduction but I...

11 November 2016 811 0 View

What are the major XPS peaks of graphene layers in C 1s and peak at 295eV ?

I have performed XPS analysis from reduced graphene oxide and I could see some un-usual binding energy peaks at 293eV and 295eV and some paper suggested that 293 could be due to the resonance...

06 June 2016 8,062 19 View

How can I characterize coating of metal on metal oxide nanoparticles other than TEM?

I would like to know different characterization techniques where we can understand the coating of a metal to a metal oxide nanoparticles. At least I wanted to know that the layer is coated on the...

05 May 2015 8,705 11 View

Can anyone tell me how to calculate the degree of grafting between two polymers?

I have two polymers made into nanoparticles. Please tell me a simple method to calculate the degree of grafting or degree of cross linking between them?

08 August 2014 9,333 6 View

Which organic solvents is carbon stable in?

11 November 2013 8,982 7 View