Bibekananda De

5 Questions 13 Answers 0 Followers

Questions related from Bibekananda De

Will a hyperbranched polymer exhibit lower or higher dielectric constant compared to the linear analogue?

I have synthesized a hyperbranched epoxy thermoset which exhibits lower dielectric constant compare to the bisphenol-A based epoxy thermoset though one of the reactant in the hyperbranched epoxy...

02 February 2014 295 9 View

Among the Cu, CuO and Cu2O nanoparticles, which one is the most antimicrobially active and why?

I have prepared these three nanoparticles and among them Cu2O np is showing very low antimicrobial activity.

01 January 2014 10,029 2 View

Do all Cu and Cu related nanoparticles (like CuS, CuO, Cu2O) exhibit antimicrobial activity?

I want to prepare polymer/Cu or Cu related antimicrobial nanocomposites. CuS is not showing any antimicrobial activity. What is the main mechanism of Cu or Cu related nps to show antimicrobial...

01 January 2014 1,207 11 View

Can anyone assign all the XRD peaks of the Bentonite clay?

Here I have attached my XRD of Bentonite and organically modified bentonite clay. One peak I have assigned as d(001) from literature. What will the others be?

12 December 2013 1,787 8 View

Why does triazine moiety show antimicrobial activity?

I am working with triazine based hyperbranched polyamine which does not show any antimicrobial activity. But all the triazine based polymers showed antimicrobial activity in the reported literature.

10 October 2013 4,710 4 View