How to decolorise a solid resin in a laboratory?

21 May 2022 0 8K Report

After u have synthesize a resin by alcoholis n esterification process and the resin obtain is solid black in color and you want to whiten it

How do u achieve tht after finding a suitable solvent in wc the resin dissolve in

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A positively charged and 10x his-tagged protein that doesn't bind to any chromatographic resin?

Hello everyone, I am currently working on a protein that is 10x his-tagged and positively charged (predicted pI=10.16). But when I tried to use Ni-NTA column to purify the protein, it's not...

24 July 2024 7,293 4 View

What is the principle/mechanism behind aging of carbon (graphite) containing refractory mix for isostatically pressed refractories?

The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.

23 July 2024 3,205 0 View

Prevent sedimentation and maintain the suspension of powder particles in the resin ?

Hello, I am experiencing an issue with mixing micro powder with resin in a 3D printer. The problem is that sedimentation occurs after a short period (about half an hour to an hour). Could you...

23 July 2024 1,672 0 View

Any relation between resin viscosity（mPa*s）and resin relative molecule weight？why the former is used in manufacture?

https://en.wikipedia.org/wiki/Viscosity

21 July 2024 3,089 4 View

Is it possible to conjugate an NHS ester to the N-terminus of a peptide ON RESIN?

So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...

18 July 2024 4,075 3 View

Recommendations for his-tag magnetic beads / resins?

Good day everyone, Trying to perform protein purification for the first time, gotta buy the whole equipment/reagents. Protein of interest 48 kDa (Antithrombin), expressed from his-tagged plasmid...

16 July 2024 3,692 6 View

What is the best way to get rid of unpleasant odour of acrylic emulsion beside redox post polymerization?

Even adding fragrance is not working

05 July 2024 741 2 View

Does the mol. wt. of a tackifying resin affect on tackiness of a Adhesive ? If yes how ?

Effect of tackifying resin mol. wt. on tackiness of a Adhesive

21 June 2024 4,596 1 View

Curing of Novolak resin with hexamine develops yellow color. I believe it is due to azo linkage -C-N=N- C- What is the reaction mechanism?

Also, I will appreciate whole curing mechanism of Novolak with Hexamine

14 June 2024 9,908 0 View

What surface modification procedures can be employed to enhance the interfacial bonding between the resin matrix and filler particles in dental compo?

What surface modification procedures can be employed to enhance the interfacial bonding between the resin matrix and filler particles in dental composites?

12 June 2024 9,363 1 View