Is cross-linked polyacrylamide good for capillary isoelectric focusing?

Attempts have been made toward this direction, but cross-linked polyacrylamide coatings have not been demonstrated to be much superior over linear polyacrylamide ones. In this report, we have reexamined this approach and demonstrated that cross-linked polyacrylamide could be excellent for capillary isoelectric focusing.

What is cross-linked polyacrylamide coating?

A simple device and a new coating protocol have been developed to produce this coating reliably and reproducibly. Compared to the commercial linear polyacrylamide and hydroxypropyl cellulose coatings for CIEF, the cross-linked polyacrylamide coating is much more stable and robust although their initial performances are comparable.

Why is polyacrylamide coating better than dopamine coating?

Polyacrylamide coating has better toughness and elasticity after dopamine modification. 1. Introduction Polypropylene (PP), one of the five general plastic with excellent mechanical properties, corrosion resistance, electrical insulation, non-toxicity, easy processing and low price, is widely used in our daily life , , .

Are cross-linked polyacrylamide coatings better than linear acrylamide?

Cross-linking the polyacrylamide molecules anchored around these poorly coated spots seems to be a straightforward solution to this problem. Attempts have been made toward this direction, but cross-linked polyacrylamide coatings have not been demonstrated to be much superior over linear polyacrylamide ones.

How is polyacrylamide used for capillary wall coating?

Polyacrylamide has been used for capillary wall coating for decades. The coating chemistry includes two main steps:  (i) attachment of a bifunctional reagent containing a vinyl group to the silica surface and (ii) extension of the anchored vinyl groups through acrylamide polymerization.

What is the difference between linear polyacrylamide and hydroxypropyl cellulose coatings?

Compared to the commercial linear polyacrylamide and hydroxypropyl cellulose coatings for CIEF, the cross-linked polyacrylamide coating is much more stable and robust although their initial performances are comparable. To whom correspondence should be addressed.