Noor ul Ain

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Questions related from Noor ul Ain

What is the reason behind reduced nanoparticle size after drug loading?

Most of the researches I went through suggest increased crystallite size after being loaded with a drug. However in a unique case, I have observed reduced average diameter after drug loading. Can...

01 January 2020 2,780 11 View

Why do the absorbance values for (HRP-TMB-H2O2) reaction mixture decreasing with time instead of showing linear increase as they should ?

While studying kinetics for HRP with TMB as a substrate, my reaction mixture rapidly turns yellow after turning blue for a very short while. Also, the absorbance taken with 30s interval went up...

06 June 2017 9,346 1 View

Can bimetallic nanoparticles give UV spectrum without any characteristic peak?

I have gone through some of the literature where there is written that it's possible that bimetallic nanoparticles may give no characteristic UV peak even though the individual metals may at...

01 January 2017 4,767 7 View

What will be the optimum pH to carry out copper nanoparticle synthesis from plant extract? Can anyone please tell me?

I need to synthesize Cu Nps from plant extract so I need to know the optimum conditions which will make the synthesis successful? If someone can guide me regarding that, I'll be thankful..

11 November 2016 5,497 8 View

Can we cap bimetallic nanoparticles with suitable agent after their synthesis?

I need to cap my bimetallic nanoparticles with glutathione after they have been already synthesized. Can anyone help me with a suitable protocol for this purpose?

10 October 2016 3,212 4 View

Can we determine the concentration of metal nanoparticles from their UV absorption spectrum?

I wanted to learn whether it's possible to determine the concentration of synthesized metal nanoparticles from their UV-absorption spectrum?

10 October 2016 7,842 3 View