How to analyze DLS data correctly?

I have a DLS result (done with repetition) of water dispersion of PEG coated nanoparticles using Micromeritics Nanoplus particle analyser where cumulant diameter was shown as 257.5 nm with PDI...

10 November 2018 4,077 7 View

How to calculate the grafting density of a polymer on nanoparticles and what is its unit?

I have synthesized PEG coated nanoparticles for which I need to calculate the grafting density of the polymer. I have learned that majority of publications calculate it by using TGA. Can you tell...

10 November 2018 3,628 11 View

What is the force of interaction between the two surfaces of Janus nanoparticles?

Janus particles are special types of nanoparticles whose surfaces have two or more distinct physical properties. I have seen publications where Janus systems have been develped in the form of...

01 February 2018 6,967 3 View

Is there any explanation to non-dependency of fractional conversion of thermal reaction on heating rates?

01 February 2016 1,986 6 View

Which solvent(s) do cobalt oxide nanoparticles get dissolved?

Cobalt oxide nanoparticle is insoluble in water. I have tried to dissolve this in a number of acids and bases. Can anyone suggest me an ideal solvent which can dissolve cobalt oxide nanoparticle?

08 September 2014 5,635 0 View

Which solvent(s) do cobalt oxide nanoparticles get dissolved?

Cobalt oxide nanoparticle is insoluble in water. I have tried to dissolve this in a number of acids and bases. Can anyone suggest me an ideal solvent which can dissolve cobalt oxide nanoparticle?

08 September 2014 6,364 8 View

Which solvent(s) do cobalt oxide nanoparticles get dissolved?

Cobalt oxide nanoparticle is insoluble in water. I have tried to dissolve this in a number of acids and bases. Can anyone suggest me an ideal solvent which can dissolve cobalt oxide nanoparticle?

08 September 2014 6,500 2 View

In which solvent(s) do cobalt oxide nanoparticles get dissolved?

Cobalt oxide nanoparticle is insoluble in water. I have tried to dissolve this in a number of acids and bases. Can anyone suggest an ideal solvent which can dissolve cobalt oxide nanoparticle?

08 September 2014 7,601 7 View

Is mesoporous carbon shell toxic to the human body?

I am working on mesoporous carbon shell (diameter around 200 nm) encapsulated nanoparticles to be used as contrast agent in human body. There are a lot of reported articles on the toxicity of...

06 July 2014 6,993 7 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View