Ali Ghafarinazari

5 Questions 8 Answers 0 Followers

Questions related from Ali Ghafarinazari

Phase transition of silicon dioxide on the nanoscale?

Phase transitions are well established for bulk silicon dioxide. But I would like to now increase of the surface area and go to nano structures. These phase transitions are stable or for instance...

10 June 2015 5,010 6 View

Time temperature transformation diagram (TTT) by Thermal analysis. Would you please help me to find methodology?

I would like to obtain time temperature transformation (TTT) and / or continuous heating transformation (CHT) diagrams by Differential Scanning Calorimetry (DSC). As it clear by DSC we can...

20 October 2014 2,712 9 View

Does anyone know about the synthesis of cobinamide (vitamin B12 precursor)?

We need to synthesize cobinamide, vitamin B12 precursor. At neutral pH, cobinamide exists as aquohydroxocobinamide, and at a pH of>11, it exists as dihydroxocobinamide. From our point of view,...

12 May 2014 9,967 2 View

Which drugs are sensitive to redox?

I would like to test interaction of a drug with my nano particle as drug delivery system, but my nanoparticles can be oxidized, then it leads to reduction of the drug. I would like to know which...

01 April 2014 4,800 0 View

Does anyone have experience with Quantum yield by sphere?

I have a Nanolog from Horiba company. But we are not satisfied from its results on Quantum Yield. I got some initial results from comparative methods but I would like to measure with DeMello...

06 March 2014 482 0 View