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Table 1 Commonly used polyelectrolytes showing their charge at pH 7 and their current applications

From: Biomedical applications of polyelectrolyte coated spherical gold nanoparticles

Abbreviation

Name

Charge at neutral pH

Application

References

PEI

Polyethyleneimine

Positive

Gene therapy, drug delivery

[48, 49]

PAH

Polyallylamine hydrochloride

Positive

Drug delivery, gene therapy

[50, 51]

PSS

Polystyrene sulfonate

Negative

Drug delivery

[52, 53]

PLL

Poly-l-lysine

Positive

Gene therapy

[54]