Nadal Ashi

10 Questions 12 Answers 0 Followers

Questions related from Nadal Ashi

Conjugating cRGD with amine functionalized nanoparticles?

I have been working with nanoparticles with different functional groups. Usually its well known protocol for conjugating cRGD or RGD with COOH functional group but I have a few particles which are...

12 December 2019 3,716 3 View

Ninhydrin Test with not so free amines?

Hi, Ninhydrin reacts with free amines but if the amine is bound to some other molecule such as PEG which is further bound to nanoparticles, can Ninhydrin test still be used to estimate the amino...

12 December 2019 3,538 2 View

Why is my XRD showing peaks s at ~7 and ~19 for Fe3O4?

I tried to synthesize oleic acid capped Fe3O4 nanoparticles and much to my surprise, they provide a strange XRD pattern (when started from 5 degrees (2 theta)). It shows a peak at ~7 (50% relative...

10 October 2018 752 8 View

Measuring size of a nanocube?

Would you suggest measuring the side of a nanocube and mentioning that in the paper or would you suggest writing the diagonal size of the particles ? Thanks in advance.

09 September 2018 8,633 6 View

Why do some particles in TEM images appear darker than other (for example see images attached)?

I am not sure why there is a difference in shade in particles analysed by TEM. Is it just because of the orientation of particles or is there more to it ? For reference I have attached a few...

09 September 2018 7,530 10 View

Basis for selection of Solvent?

I have read quite a bit of literature and I found that while synthesizing Fe3O4 nanoparticles, people have chosen different solvents mainly based on their boiling point to favor nucleation or...

07 July 2018 5,856 4 View

Sodium Gallate Synthesis?

How do I synthesize and purify Sodium Gallate?

07 July 2018 2,475 5 View

Why Sodium oleate is used in synthesis of Iron Oleate?

I was wondering about the role of sodium oleate in synthesis of iron oleate, are there any alternatives? And if we want to make iron linoleate for example, should we use sodium linolate or direct...

06 June 2018 7,820 9 View

Why unordered silica coating is done on Fe3O4 before adding Mesoporous silica onto it?

Hi I would like to know the reason as to why most papers report that coating of unordered silica before adding a shell of mesoporous silica over it. Thanks

05 May 2017 8,842 2 View

Role of diethyl ether in casein isolation?

I have been trying to isolate casein from milk but there are a few things in the protocol that i didn't understand - 1.) Why do we need to use 95% ethanol and not 100% or any other? 2.) What is...

10 October 2016 3,060 4 View