Amr Hefnawy

3 Questions 1 Answers 0 Followers

Questions related from Amr Hefnawy

What is the role of Triisopropylsilane during the cleavage of peptides from the resin using Solid Phase Synthesis?

During cleavage of peptide after solid phase synthesis ... cleavage is done using 1-5% TFA in methylene chlordie containing 5% triisopropylsilane. What is the role of the triisopropylsilane in...

01 January 2018 239 5 View

Nanospray drying of Dextran?

What is the optimum criteria for nanospray drying of dextran using Buchi B-90 to get nanoparticles of size range 1 - 5 um? please indicate the used concentration, pump mode, heat and air flow

05 May 2016 1,988 0 View

Is it possible to use DLS to determine the molecular weight of polymers? How would this be accurate? and what are the limitations?

I wanted to measure the molecular weight of alginate polymer, is it possible to be done using DLS measurement and if not, what would be the suitable method?

03 March 2016 6,498 7 View