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 to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How do you prepare a porous crosslinked Polyvinyl alcohol and Glutaraldehyde membrane or film?

I am trying to prepare a Polyvinyl alcohol membrane for carbondioxide adsorption

08 February 2021 7,493 3 View

Can I polymerize NIPPAm with PEGmethacrylate or only with PEGacrylate?

I want to perform the synthesis of a hydrogel and I want to know if I can polymerize NIPPAm with PEGmethacrylate or only with PEGacrylate?

02 February 2021 2,106 6 View

How can I set up UV irradiation for crosslinking lab?

Hi, I am using a mix of 2 polymers and want to try and crosslink them. I have a UVA lamp of 365nm and have tried the lab previously at 30cm above. How would you recommend I approach the lab and...

31 January 2021 8,711 3 View

How can solve/disperse silicon nanoparticles in water?

I want to add silicon nanoparticles to my hydrogel, but when I sonicated these particles with water to disperse them in water, they agglomerated on the water's surface. How can I disperse them in...

26 January 2021 213 4 View

Anyone know how to dilute strong hydrogel structure?

I am working on PVA-GMA hydrogel that is a really strong polymeric structure like rubber. Because I am in the middle of analysis, it is difficult to dissolve the gel using a common solvent. I...

20 January 2021 3,501 2 View

How can I stain 3d printed cells in hydrogel without damaging the gel?

I tried staining my cells in a gel using standard protocols with 4PF% for fixation and triton-X or saponin for permeabilization but the gel always gets damaged throughout the steps, and at the end...

17 January 2021 4,170 1 View

Why Selenium nanoparticles synthesized by PEG 200 could not be scaled up ?

I could not synthesize Selenium nanoparticles by PEG 200 at up-scale ( more than 100 ml) as it got aggregated while at small amounts it works fine , I work with 850 PPM using selenium powder in...

08 January 2021 10,049 1 View

Does soft algniate hydrogel influence calcium concentration of a solution (cell culture medium)?

05 January 2021 6,066 4 View