Mohosin Rana

5 Questions 12 Answers 0 Followers

Questions related from Mohosin Rana

Which solvent is appropriate to dissolve PNIPAm for NMR and MALDi analysis?

I am trying to dissolve PNIPAm for 1H-NMR and MALDI-TOF analysis. So far, I tried DMF, DMSO, THF, CDCl3, D2O, and MeOH for my samples but couldn't dissolve PNIPAm completely in these solvents. I...

09 September 2019 4,876 1 View

Whether handling free-radical initiator (AIBN) in light before polymerization will affect the reaction?

I am trying to synthesize PNIPAm polymers by free radical polymerization using NIPAm, 1 mol% MBAA (mol% in terms of NIPAm), AIBN and dioxane (solvent). But I couldn't to get polymers from the...

08 August 2019 1,223 14 View

How can I prepare 1 mol% N,N'-Methylenebisacrylamide (MBAA) solution?

Hi I am looking for the protocol to prepare different mol% of MBAA solution. I searched several articles for the protocol but couldn't find out the reliable one to follow. Actually I am confused...

07 July 2018 4,475 3 View

Is there any convenient method to synthesize negatively charged polystyrene microspheres?

Despite the common miniemulsion polymerization process, is there any other convenient method for the synthesis of negatively charged polystyrene microspheres? Thanks in advance.

01 January 1970 8,375 9 View

If strong repulsive forces work vertically on a sphere, what will be the direction of the movement of that sphere?

In a glass flow cell chamber (glass substrates placed parallel like sandwich to make flow cell) with negatively charged microsphere, negative charge of the glass surface creates repulsive force...

01 January 1970 7,455 2 View