Grzegorz Celichowski

11 Questions 19 Answers 0 Followers

Questions related from Grzegorz Celichowski

Does anyone know of a way to crosslink polymers containing sulfonate groups?

I would like to produce a gel by crosslinking an aqueous solution of Poly(sodium 4-styrenesulfonate). I would most like to do the crosslinking by creating permanent covalent bonds or permanent...

02 July 2025 1,557 2 View

Does anyone know a good program for interpreting IR spectra?

I am looking for a good program to interpret IR spectra. I mean a program in which I can mark the selected band, and it will suggest possible functional groups, marking other bands characteristic...

20 June 2021 5,684 2 View

How to measure of the silver nanowires (AgNW) Zeta Potential?

In the publication "Cysteamine-functionalized silver nanowires as hydrogen donor for type II photopolymerization" https://doi.org/10.1016/j.jphotochem.2017.06.035) I found results of this kind...

28 August 2019 6,654 8 View

I am looking for a place to buy (or synthesise or exchange) MoS2 nanoparticles. Any suggestion?

I am looking for a place to buy MoS2 nanoparticles, but it should be in a real nanometer size. I bought two materials which were declared as nano but in fact, it was much - much bigger like 2-3...

23 October 2017 2,048 10 View

How to prepare pure Halloysite Nanotubes from minerals rich in this clay?

I would like to extract (purified) Halloysite Nanotubes from mineral. I have sample of halloysite from mine but it is very hard. Should I grind them or us any kind of exfoliation procedure?I would...

03 November 2014 4,681 6 View

Does anyone know commercial sources of hydrolysable and non-hydrolysable tannins?

I’m looking for suppliers of different types of tannins in pure forms, relatively well characterized. Of course I know offer from sigmaaldich.com. Any suggestion and information will be very helpful.

20 August 2014 7,986 8 View

Can anyone provide methods of metal nanoparticles (Au, Ag, Cu) stabilization by electrically conductive compounds?

I would like to stabilize nanoparticles by organic (small molecules or polymers) or inorganic compounds which will be conductive enough to obtain dried (in room or a little bet elevated...

23 April 2014 5,741 2 View

Can anyone know commercial sources of hydrolysable and non-hydrolysable tannins?

I’m looking for suppliers of different types of tannins in pure forms, relatively well characterized. Of course I know offer from sigmaaldich.com.

23 April 2014 9,370 0 View

How can I get Raman spectra from molecules adsorbed on gold/silver nanoparticles surface?

I would like to analyze structure of modifiers adsorbed on metallic nanoparticles. There are no methods suitable for colloid in water (NMR not working so good) and FT-IR in water is practically...

19 February 2014 6,257 2 View

What type of dispersant for exfoliated graphene would be the best to obtain a composite with good electrical conductivity?

To disperse exfoliated graphene in an organic solvent, it is necessary to use dispersants with a strong affinity to the carbon surface. Four types of interactions with the surface of carbon...

01 January 1970 3,079 4 View

Determination of total polyphenol concentration in plants extract

Does anyone know the method for the determination of polyphenol content in addition to the Folin-Ciocalteu method and Prussian blue?

01 January 1970 3,888 7 View