Navoda Wijesuriya

3 Questions 12 Answers 0 Followers

Questions related from Navoda Wijesuriya

What are the suitable magnification and accelerating voltage for Scanning Electron Microscopic (SEM) images of Gold nanospheres of 20 nm diameter?

Hi! I want to obtain SEM images of gold nanoparticles of a diameter in the range of 20 nm, dispersed in solution. When I searched for literature, I couldn't find relavent information on a...

27 December 2021 870 10 View

Does centrifugation temperature affect agglomeration of AuNPs synthesized using the citrate method?

Hi! I prepared AuNPs using the citrate method and tried purifying them. I aliquoted the resulted AuNP solution in 2 mL volumes and centrifuged at 6000 rpm for 1 hr at 4 celcius as the first...

02 December 2021 3,573 9 View

For how long a prepared 1mM HAuCl4 solution be used?

I've prepared 100 mL of 1mM HAuCl4 solution to prepare gold nanoparticles and used 50 mLs of it in February. I Stored the rest of the solution in a glass bottle wrapped in foil in dark conditions...

09 October 2021 9,992 7 View